tm 9-1005-303-14 winchester 1200 military shotgun

TM 9-1005-303-14D E P A R T M E N T O F T H E A R M Y T E C H N I C A L M A N U A L

OPERATOR, ORGANIZATIONAL, DIRECT SUPPORT

AND GENERAL SUPPORT MAINTENANCE MANUAL

INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

SHOTGUN, 12=GAGE,WINCHESTER MODEL 1200, RIOT TYPE,.

20-INCH BARREL, W / E

(1005-921-5483)

I This reprint includes all changes ineffect at the time of publication -Changes 1 through 3.

I

H E A D Q U A R T E R S , D E P A R T M E N T O F T H E A R M YJ U L Y 1 9 6 8

TACO 20027A

CHAPTER 1

INTRODUCTION

Section I. GENERAL

l-l. scopeThese instructions are in accordance with theMAC (app C) and are published for the useof operator, organizational, direct and generalsupport maintenance personnel maintainingthe Winchester Shotgun, Model 1200.

l-2. Forms and Records

a. General. DA forms and procedures usedfor equipment maintenance will be only those

prescribed in TM 33-750, Army EquipmentRecord Procedures,

b. Recommendations for Maintenance Man-ual Improvements. Reports of errors, omis-sions, and recommendations for improvingthis publication by the individual user is en-couraged. Reports should be submitted onDA Form 2028 (Recommended Changes toDA Publications) and forwarded direct toCommanding General, Headquarters, U.S.Army Weapons Command, ATTN: AMSWE-SMM-P, Rock Island, Ill. 61201.

Section II. DESCRIPTION AND DATA

l - 3 . Descripiiona. General. The Winchester Model 1200

(fig l-l) is a manually operated, repeatingshotgun of the slide action, hammerless andtakedown type, with a 20” barrel. It has acapacity of five rounds, one in the chamberand four in the magazine.

b. Major Group8 and Assemblies. The fol-lowing is a brief description of the majorgroups and assemblies :

(1) Gun shoulder stock group. (1, figB-2) Composed of butt stock screws, buttplate, machine bolt, lock washer, gun shoulderstock, swivel screw, and swivel assembly. Thestock is an extension of the barrel and re-ceiver group and provides a supportto shoulder fire the weapon.

(2) Barrel and bc+gonet band assembly.(10, fig B-2) Composed of barrel, bayonetbarrel screws, front sight and bayonet barrelassembly. The bayonet band assembly providesa location for the bayonet Ml917 and a locking

2

lug for securing the bayonet to the shotgun.The front sight serves as an aiming device.

(3) Trigger guiwd group. (16, fig B-2)composed of trigger stop pin screw, left-handand right-hand slide arm supports, carrier as-sembly, carrier plunger, carrier spring, dis-connector assembly, disconnector spring, searbracket assembly, hammer pin, hammer pinsupports, hammer, safety, trigger pin, triggerand trigger guard. It houses the componentsrequired to provide locking, initial feeding,loading, firing and safety functions of theweapon.

(4) Fore end group. (18, fig B-2) Com-posed of slide arm cap, fore end and slide armextension. The slide arm extension is utilizedto open and close the breech bolt group,permitting loading, firing and unloading theweapon.

(5) Breech bolt group. (22, fig B-2) Com-posed of slide arm bridge, firing pin, firing pinspring, cam pin, firing pin collar extractorspring, extractor breech bolt and bolt slide.

AGO 20027A

Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Conn.

WE 60046

Figure l-l. 19 Gage, Riot Type, Winchester Shotgun, Model 1~00--right rear view.

The breech bolt feeds and locks the round inthe chamber. The firing pin detonates theprimer to fire the weapon. The (fired) roundis removed from the chamber by the extrac-tor.

(6) Receiver and magazine group.(23, fig B-2) Composed of cartridge ejector;magazine tube, magazine Plug, maga-zine spring, magazine follower and receiver.The magazine tube serves as a retainer for thefore end group and provides a storage areafor the cartridges. The receiver houses thecartridge ejector and serves as support for allmajor groups and assemblies of the weapon.

14. Tabulated DataGage of bore __.__._.________..___ . ...12 gage

Diameter of bore -0.729 i n .Boring of barrel CylinderT y p e o f a c t i o n ..__SlideType of firing mechanism HammerlessT y p e o f m a g a z i n e -TubularCapacity of magazine .._ 4 rdO p e r a t i o n ManualCool ing. -_-AirLength of barrel 20 in.Length of stock and receiver (approx) ..20 in.Length of assembled gun (approx) 40 in.Weight of assembled gun w/o bayonet band

assembly 6.6 lbWeight of assembled gun with attachments 8.5 lbWeight of bayonet Ml917 (approx) 1 lb 2 oz

l-5. Serial NumberThe serial number is located on the bottom ofthe front end of receiver.

AGo 2002lA

CHAPTER 2

OPERATING INSTRUCTIONS

Section I. CONTROLS

2- 1,. GeneralRefer to table 2-l.

Table 2-l. Controls

Control of instrument Function Reference

Disconnector assembly When depressed, releases the fore end group for loading and unloading B, figure 2-lweapon.

Safety -When in locked (“ON”) position, prevents firing of weapon A, figure 2-lT r i g g e r -Controls firing of weapon A, figure 2-l

Reprinted by special permission of the copyright owner, Olin MathiesonChemical Corp., Winchester - Western Division, New Have

A. TRIGGER AND SAFETY B. DISCONNECTOR

DISCONNECTORASSEMBLY

ASSEMBLY

WE 60047

Figure 2-l. Controls.

Section il. OPERATION UNDER USUAL CONDITIONS

2-2. Loading, Firing and Unloading quired, clean barrel assembly. Check breech bolt groupfor excess oil or dirt. If required, place a drop of oil

Note. Prior to loading, check bore and chamber of in firing pin hole and the face of the breech bolt.barrel assembly for obstructions and condition. If re- a. Refer to figures 2-2 through 2-4.

4 AGO 20027A

,I

STEP , PLACE S A F E T Y IN “ON (LoCKED’p(pJT\ON.

WE 60048

F@nv 2-2. Loading shotgun.

STEP 1. PUSH SAFETY TO “OFF”(UNLOCKED) POSITION.

NOTE: PUMP FORE END TO THE REAR THEN FORWARD.THIS ACTION EJECTS SPENT ROUND AND LOADS NEWROUND INTO CHAMBER. RELEASE TRIGGER ANDRE-PULL FOR EACH CHAMBERED ROUND. CONTINUETHIS ACTION UNTIL WEAPON IS EMPTY.

STEP 3. EXTRACTING AND EJECTING SPENT ROUND.WE ‘50049

Figure .~-3. Firing shotgu?l.

AGO 20027A

Reprinted by special permission of the copyright owner, Olin Mathieson Chemical Corp., Winchester - Western Division, New Haven, Corm.

1. PUSH DOWN ON CARRIER ASSEMBLY.

2. DEPRESS CARTRIDGE CUTOFF.

NOTE: LIFT UP SLIGHTLY ON BASE OF CARTRIDGE TO CLEAR THE CARRIER ASSEMBLY.

STEP 1 POSITION SAFETY TO “ON” (LOCKED) POSITION.

STEP 2. REMOVE CARTRIDGES FROM MAGAZINE.

CAUTION: MAKE CERTAIN MAGAZINE FOLLOWER IS VISIBLE TO INSURE THAT NO SHELLS REMAIN IN MAGAZINE. WITH BREECH OPEN CHECK CHAMBER TO MAKE SURE IT IS EMPTY.

-zI.-

STEP 3. EXTRACT AND EJECT LIVE ROUND FROM CHAMBER.

. WE 6QO50

Figure z-4. Unloading shotgun.

b. Inspect, clean, and oil weapon (table 3-5).

2-3. Double Feed

Refer to table 4-2.

2-4. Service after Firing

Refer to table 3-5.

Section III. OPERATION UNDER UNUSUAL CONDITIONS

2-5. General Refer to table 3-4.

CHAPTER 3

OPERATOR AND ORGANIZATIONAL SERVICE AND

MAINTENANCE INSTRUCTIONS

Section I. SERVICE UPON RECEIPT OF MATERIEL

3-l. General

Refer to table 2-l.

Table S-1. Service Upon Receipt of Materiel

SlcP .-lotion Refwence

1 Remove shotgun and items from container.2 Remove VCI, clean and lubricate. Paragraph 3-43 Inspect for: Figure B-2

Missing partsProper assembly

4 Function, using once-fired empty round. Figures 2-2 and 2-3.

Caution: Do not use live ammunition when hand functioning weapon.

Section II. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT

3-2. Special Tools and Equipment 3-3. Repair Parts

a. Opwcztor. Refer to appendix B, section II. a. Operator. None authorized.

b. OrganizathzaZ. Refer to appendix B, b. Organizational. Refer to appendix B, sec-section V. tion IV.

Section Ill. LUBRICATION INSTRUCTIONS

34. Generala. Refer to table 3-2 for cleaning and

lubrication materials. Use stock numbers forrequisitioning purposes.

b. Refer to table 3-3 for usual lubricationinstructions.

c. Refer to table 3-4 for lubrication instruc-tions for unusual conditions.

Table J-Z. Materials Rkquired for MaintenanceFunctions

E’SN6850-965-2332

1tc*rCARBON REMOVING COM-

POUND: (P-C-111) (5 gal. pail).

IJSN

6850-224-665’7

5350-221-0872

8010-582-5382

8010-221-0611

ItewCLEANING COMPOUND, RIFLE

BORE: small arms bore cleaner,solution (CR) (6 oz can).

CLOTH, ABRASIVE : crocus,ferric oxide and quartz, jean-cloth-backing, closed coating, 9 w,11 lg, 50-sh-sleeve (CA).

LACQUER: black (jet) lusterlesstype I, color 37038 (16 oz aerosolcan) Spec TT L 9950 type Initrocellulose base.

LINSEED OIL, RAW: (TT-L-00215) (1 gal. can).

LUBRICATING OIL, GENERALPURPOSE : (PL special).

8 AGO 20027A

FSN

9150-273-23899150-231-66899150-292-9689

7920-205-1711

8030-081-2341

/ten1

4 02 can.1 qt can.

LUBRICATING OIL, WEAPONS:(LAW) for below zerooperations (1 qt can).

RAG, WIPING: cotton for generalpurpose use (50 lb bale).

SEALING COMPOUND : 150/375in-lb locking torque lo-15viscosity, gun color MIL-S-22473Grade AA (lo-CC bottle).

Table $4). Lubrication Instructions for Usual

step Procedure

1

2

Note. Shotmn will ONLY be disassembled for cleanincr andlubrication into major groups and assemblies when aTHOROUGH INSPECTION indicates the weapon isdirty and contaminated and that functionina of theweapon would he impaired.

Clean bore and locking lug area of the barrelassembly and other powder-fouled surfaceswith rifle bore cleaning compound (CR). Re-move all foreign matter.

Thoroughly dry bore and chamber, includingthe locking lug area.

3 Lightly oil bore, barrel extension, and externalsurfaces of the weapon, using general pur-pose lubricating oil (PL special).

Note. For general clenninz procedures. refer to TM 9-208-land TM 9-247.

4 All components affected by powder fouling willbe cleaned with carbon removing compound(P-C-111).

5

Warning: Avoid skin contact. The compoundshould be washed off thoroughly with runningwater if it comes in contact with the skin. Agood lanolin base cream, after exposure tocompound, is helpful. The use of gloves andprotective equipment is recommended.

Wipe or blow dry and oil with general purposelubricating oil.

67

Thereafter, clean and oil as required.Wipe wooden components with slightly oiled

rag. Remove surplus oil with a dry cloth.Apply a light coat of linseed oil and rubinto wood with heel of hand.

Conditions

Note. With patch and cleaning rod. remove oil from boreand chamber of barrel assembly before firina.

If the above condition occurs, theweapon should be wiped dry assoon as possible. If inspection re-veals rust or corrosion is evident,the weapon should be turned in toorganizational maintenance forcomplete cleaning and lubricationof all components.

Section IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

3-5. General

a. Refer to table 3-5.

b. All deficiencies, shortcomings, and correc-tive action taken will be recorded on DA Form2407 at the earliest opportunity.

AGO 20027A 9

Table 3-4. Lmbrication Instructions for UnusualConditions

T!~pe of Climate I’roreifurcNote. Reduce lubrication intervals to less then

daily, if inspection indicates rust or corro-sion.

Extreme cold(below 0°F.)

Lubricate with weapons lubricatingoil (LAW). Keep weapon protectedas much as possible.

Note. Make certain all components are dryand free from condensation before applyineluhriention. Also refer to TM !I-20i.

Hot and humid Inspect shotgun frequently for rust.Lightly oil with general purposelubricating oil (PL special). If ex-posed to salt air, high humidity ormoisture, more frequent cleaningand oiling will be required to pro-tect components.

Hot and dry

Immersion inwater.

Note . Weapons which are intended for in-frequent firinn, or *re placed in *rms roomsfor safekeepinn for prolonW periods, willhave R film of aeneral purpose luhricatinrcoil (PL special) applied to the internnl andexternal ~r‘oups immediately after inspectiona n d elennina. Special attehtion should beciven to bore, chamber, and lockinn hart area.

Clean shotgun daily (or as required).In sandy or dusty areas, wipe wea-pon free of oil to prevent sand anddust from collecting on the outsideand working components.

No&. Protect weapon from wuter while ford-ina. if possible.

During deep fording, it is possiblefor the weapon to become com-pletely submerged. If this occurs,eject the round from the chamberto allow water to run from the bore.Normally, if the round is left inthe chamber, it will form a vacuumand will not allow the water todrain freely.

Table f-5. Preventive Maintenance Checks and Servaces

123

4

5

6

78

9

10

11

s 12h:$z

OperatorD a i l y

A-

XXX

X

X

X

XX

X

X

X

X

w-

XXX

X

X

X

XX

X

X

X

X

fOW.

M

XXX

X

X

X

XX

X

X

X

X

l-

Item to be inspected

Gun Shoulder Stock Group

Magazine Cap ~. ~.

Barrel and Bayonet Band As;sembly.

Trigger Guard Pin ~~ ..~~ _~.Trigger Guard Group ._.. . . .

Slide Arm Bridge RetainingScrew.

Fore End Group _

B r e e c h B o l t G r o u p _

Ejector . ..~.....__...__._

B - b e f o r e o p e r a t i o nD - d u r i n g o p e r a t i o n

Aw-2ttgk,ytion M - m o n t h l y

Warning: Before starting inspection, make certain that weapon iscleared. Inspect the chamber and magazine tube to insure that bothare empty. Determine that no ammunition is in position to beintroduced.

Note. Weekly and monthly inspections apply only if weapon is used drily.

Clean and lubricate ..~__....~...____.____--..------___-----..._..Actuate controls _....~~_.....__.________--.._.--_-____.__--....__Check for missing parts, proper assembly of weapon and if major

groups and assemblies are properly secured.Determine that sling is secured to gun shoulder stock group and

bayonet band assembly.Stock cannot be cracked or loose. Structural strength must not be

impaired.Check for burs, stripped threads, and if properly secured to m+ga-

zinc tube.Bayonet band assembly must be secured to barrel assembly. Check for

unusual pits or damage to bore of barrel assembly. Assure that boreis dry and free of obstructions before firing.

Check for burs and if bent or loose _._~~.._____.~__~__ . . . . . . . . ..__.Check hammer, safety and trigger for proper operation. Actuate

disconnector assembly for proper functioning. Check left hand andright hand slide arm support for being bent or other damage. Checkcarrier assembly for freedom of movement.

Check for stripped threads and damaged screw slot. Determine thatslide arm bridge is secured to bolt slide.

Check for proper functioning and cracks in fore end. Structuralstrength must not be impaired. Check slide arm extensions for ex-cessive wear, burs or being bent. Slide arm extension cap mustbe secure to the slide arm extension. Check assembly slots on capfor burrs.

Cam pin must be free of burrs. Breech bolt must have free movementin camways of receiver. Check protrusion of firing pin. Check ex-tractor claw for damage. Check component for visible rust orcorrosion.

Check for burrs or being bent. Test weapon with dummy round oronce-fired empty round to insure proper ejection of cartridge. Checkejector support pin for being secure in receiver and if damaged.

R e f e r e n c e

Tables 3-3, 34Figure 2-lTable 3-l and fig.

B-2 -Figure 6-2

Figure 5-l

Figure 3-lI

Figure 3-2

Figure 5-3Figures 5-7, 5-8

and 5-9

Figure 5-4

Figure 5-10

Figures 5-11, 5-12

Figures 5-5, 5-6

x x1 X Receiver and Magazine Group.. Magazine tube should be secured to the receiver. Check tube for dents, .‘Figure 5-13burrs or damage which will restrict the cartridge. Check helicalcompression spring (magazine) for kinks, and magazine followerfor being broken or burred. Check for rust and corrosion incomponents.

Section V. TROUBLESHOOTING

34. GeneralRefer to table 3-6.

Table $16. Troubleshooting

MalfuIietion

Failure to fire _ _ _

Failure to load or feed

Failure to function correctly

Probable ca”se

Failure to load

E m p t y m a g a z i n e

F a u l t y a m m u n i t i o n _. _ _ _

Foreign matter in firing pin aper-ture of cam pin, bolt or boltslide.

Operator fails to disengage safety.Foreign matter in safety aperture

in trigger.

Failure to move bolt slide fully for-ward.

Dbstruction in the chamber _Defective carrier assembly . _ . . .Foreign matter in RH or LH slide

arm supports or magazine tube.

Foreign matter in bolt, bolt slideor safety well of trigger guard.

I Corrective action.

Note. For corrective action of malfunctions notlisted in this table, refer to direct support~~Ml~kI~l.

Pump shell into chamber.

Load magazine (step 2, fig. 2-2).

Pump out defective shell and useother ammunition.

Clean applicable items (4, 8, or 9, fig.B-4 and table 3-3).

Disengage safety (step 1, fig. 2-3).Clean trigger (16, fig. B-3 and table

3-3).

Push fore end forward (step 3, fig.2-2).

Clean receiver (table 3-3).Notify direct support maintenance.Clean applicable items (2, 3, fig. B-3

and 28, fig. B-2).

Clean applicable items or area (8, 9,fig. B-4 and 18, fig. B-3).

Section VI. MAINTENANCE PROCEDURES

3-7. Removal/Installation of MajorComponents

a. Operator. Field stripping of weapon intomajor groups and assemblies is not authorized.

21. Organizational. Refer to table 3-7.

3-8. Disassembly/Assembly of MajorComponents

a. Operate. None authorized.

b. Organizational. Refer to table 3-7.

Note. White arrows shown on illustrationsdisassembly, black arrows indicate assembly.

12.

indicate

3-9. Cleaning, inspection and Repaira. Clsmin~g instrwtions. Refer to table 3-3.

B. Inspection. Refer to tables 3-6 and 3-7.

c. Repair.

( 1) Replace- bayonet band screws or bay-onet band assembly if damaged or unservice-able.

(2) No other repair parts are authorizedfor organizational maintenance. If necessary,evacuate shotgun to direct support maintenancepersonnel.

AGO ZOW7A

Table 3-17. Operator and Organizational Maintenance Guide fov Winchester Shotgun,Model 1200

Group ofassembly

Shotgun .._ . . . . __..__.___

Shotgun .._ __

S h o t g u n

Gun shoulder stock group

Barrel and bayonet bandassembly.

Tr igger guard group

Fore end group ~.

Breech bolt group _ 22, figureB-2.

Receiver and magazine 28, figuregroup. B-2.

WISE.

REMOVEjlNSTALL CAP.

Removal/in-stallation

Figures 3-land 3-2.

16, figureB-2,

18, figureB-2.

Disassemblyassembly -

_

-

Cleaninrr. inspectionand repair

CLEANING

Refer to paragraph 3-4.INSPECTION

Visually inspect the components forwear, cracks, dents and damage.Make certain all parts are properlyinstalled and in working condition.

REPAIR

Remove all traces of rust or scarredareas from finished surfaces withcloth, moistened with light oil.

Tables 3-3 thru 3-6.Vote. Stock WOUI) will not be removed from re-

ceiver and magazine YIBUP.

Paragraph 3-9c.Remove burs on barrel assembly by

stoning (Organizational maintenanceonly).

Tables 3-3 thru 3-5.


Vutc. l*‘ore end PROUD will not be removed fromreceiver and maaazine croup.



FirC

B-2 thru B-4

mission of the copyright owner, Olin Mathicsonester - Western Division, New Haven, Corm.

BAND ASSEMBLY

REMOVE/INSTALL BARREL AND BAYONET BAND ASSEMBLY.

WE 60052

Figure 3-l. Removal/installation of barrel and ba.yonet band assembly.

AGO 20027A 13

REMOVE/INSTALL SCREWS.

PLASTIC ‘HAMMER

REMOVE BAYONET BAND AS%f+faLY.

INSTALL BAYONET BAND ASSEMBLY. WE 60053

Figure Y-2.Renzoval/installatiOrf of bawnct

band assembly.

14

CHAPTER 4

DIRECT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT

4-l. Special Tools and Equipment

Refer to appendix B.

4-2. Maintenance Repair Parts

Refer to appendix B.

4-3. Improvised Tools and Equipment

Refer to table 4-l.

Table 4-l. Improvised Tools

Item Reference

TOOL, assembling cam pin ~.

TOOL, disassembling and assemblingslide arm extension cap.

Figures 4-l and 5-12 ~.

Figures 4-2 and 5-10

Required for-

To assemble cam pin to breech boltand bolt slide.

To disassemble and assemble slide armextension cap to front end of slidearm extension assembly.

i 1 3/4 t------- - i-43II^w,- -----1 _

DRILL R/OD ORCOLD ROLL STEEL

NOTE: ALL DIMENSIONS SHOWNARE IN INCHES. WE 60216

Figure 4-f. Improvised tool for assembling cam pin.

AGO 20027A 15

BODY: 6-l/2 LONG BY l/4 THICK COLD ROLL STEEL.BLADE: 1 INCH BY l/8 X l-1/2 TOOL STEEL, FLAT STOCK.RIVETS: 3/16 BY l/2 L O N G .

- I I - -1/8

NOTE: ALL DIMENSIONS SHOWNARE IN INCHES. WE 60215

Figure 4-2. Improvised tool for disassembling and assembling slide arm extension cap.

Section II. TROUBLES,HOOTING

4-4. General and corrective actions for the 12 Gage, Shot-gun, Riot Type, Winchester, Model 1200 are

Troubleshooting malfunctions, probable causes, listed in table 4-2.

Table 4-2. Troubleshooting

Malfunction

Failure to fire

Probable cause

Failure to feed

Short or broken firing pin ~.Foreign matter in firing pin aper-

ture in bolt.Broken hammerBent or damaged helical torsion

spring (hammer).Burred or broken trigger spring

N&u. l’rirrter aw%w is H c o m p o n e n t o fsaw bracket assembly.

Broken sear

Broken triggeiForeign matter in sear notch of

hammer.Burred trigger guard or foreign

mat in safety well.Damaged disconnector assembly or

helical torsion spring (discon-nector).

Corrective action

Repair magazine tube (28, fig. B-2).If unserviceable, turn in weapon forreplacement.

Replace (2, fig. B-4).Zlean aperture in bolt and bolt slide

(8, 9, fig. B-4).Replace (13, fig. B-3).Replace (12, fig. B-3).

Remove burs or replace sear bracketassembly (9, fig. B-3).

Replace sear bracket assembly (9, fig.B-3).

Replace (16, fig. B-3).Glean sear notch on hammer (table

3-3 and 13, fig. B-3).Repair t.rigger guard or clean safety

well (18, fig. B-3 and table 3-3).Replace, 7, 8, fig. B-3).

16AGO 20027A

Table 4-e. Troubleshootirlg-Continued

Malfunction Probable cause

Failure to extract or eject Worn, burred or broken extractorBent or broken helical compression

spring (extractor).Burred or bent ejector

Failure to load or feed Broken or bent carrier assemblyCorroded magazine follower

D a m a g e d m a g a z i n e t u b e _Broken or kinked helical compres-

sion spring (magazine).Foreign matter in magazine tube

D o u b l e feeding _ _. _ ~. _ Burred or broken LH or RH slidearm supports.

Note. Cartridge Stop and cut off are eom-wnents of above items.

Foreign matter under LH and RHslide arm supports.

Failure to function correctly Damaged disconnector assembly _Burs or foreign matter in bolt

slide and bolt.Broken or bent disconnector or heli-

cal torsion spring (disconnector).Burred or bent slide arms

Notr. Slide arms are components of s l idea r m cstenrion rcswmbly.

Broken or burred cam pinWeak or damaged firing pinSafety sticks ~. ’Burred safety _ _. _Damaged hammer housing

Section III. INSPECTION

corrective action

Replace (7, fig. B-4).Replace (6, fig. B-4).

Repair or replace (24, fig. B-2).Replace (4, fig. B-3).Clean (table 3-3) or replace magazine

follower (27, fig. B-2).Turn in weapon for replacement.Replace (26, fig. B-2).

Clean magazine tube (28, fig. B-2).Replace (2, 3, fig. B-3).

Clean (table 3-3) (2, 3, fig. B-3).

Replace (7, fig, B-3).Repair (8, 9, fig. B-4) or clean (table

3-3).Replace (7, 8, fig. B-3).

Repair or replace slide arm extension(21, fig. B-2).

Repair or replace (4, fig. B-4).Replace (2, fig. B-4).Repair (14, fig. B-3).Repair (14, fig. B-3).Replace (17, fig. B-3).

4-5. GeneralRefer to TB 9-1000-247-35.

AGO 20027A

CHAPTER 5

REPAIR INSTRUCTIONS

Section I. GENERAL MAINTENANCE

5-1. GeneralThis section provides instructions on generalmaintenance procedures.

5-2. General Repair Methods

a. Disassembly and Assembly Procedures.

(1) In disassembling the shotgun, removethe major groups and assemblies wheneverpossible. Refer to figure B-2 and paragraphl-3b. Groups and assemblies may be disas-sembled, as necessary, into individual parts.

(2) Complete disassembly of a unit is notalways necessary in order to make a requiredrepair or replacement. Good judgment shouldbe exercised to keep disassembly and assemblyoperations to a minimum.

(3) During assembly, assemblies andgroups should be assembled first, then installedto form a complete unit. Lubricate frictional(sliding) surfaces before assembly.

b. Replacement of Parts.

Section II. MAINTENANCE

S-5. SpecificRefer to table 5- 1.

(1) Parts will be replaced, when unservice-able.

(2) If screws and washer are damaged,they will be replaced.

(3) All springs should be replaced if theyare broken, deformed, fail to function properly,or fail to meet specific requirements.

5-3. Cleaning and lubricationa. Cleaning. Refer to figures 5-14 thru 5-16.

b. Lubrication. Prior to assembly of majorgroups and assemblies, all components will belubricated in accordance with table 3-3.

54. Finished Surfacesa. All metal surfaces subjected to wear and

abrasions and which reflect light or will besubject to rust or erosion, will be treated withblack lacquer.

b. All surfaces must be clean and dry priorto spraying. Allow two hours for lacquer todry.

OF SHOTGUN

18 A G O 2 0 0 2 7 A

M

8

Item

s

G u n s h o u l d e r s t o c k g r o u pMagazine cap ~~. ~.Barrel and bayonet band assemblyT r i g g e r g u a r d g r o u p ~.

Fore end group

Breech bolt group .~~Receiver and magazine group

Table 5-1. Guide to Maintenance Function of Shotgun

Removal/installatiin

Figure 5-l ~.~. __Figure 3 - l%gure3-1 _~.~__...__?igures 5-3 and B-2 _

Figure 5-4 ~~ .~~..~_.~~~.~. .~~b’ote. When barrel and bayonet band assen

bly have been removed do not slam thfore end forward or pull the triage]allowing hammer to fall. This may jazthe action, making necessary the remowof trigger guard end the recocking of thhammer by hand.

Figure 5-4 ._~_. ..~..~.~..

Diussembly/awembly

Iota All pins should be removed from leftto right installed right to left when appli-cable.

Figure B - 2 _.__ _.____.. . . . ..__...

Figure B-2 __________..__ . . . .._...

F i g u r e s 3-2 and 5-2 _. . . _. _. -

Figures 5-7, 5-8, and 5-9 ___.. ----.l&e. To uraemble disconnector spring, turnspring upright so tail of spring is engagedin its proper position in trigger guard pinhole slot. Turn disconnector to uprightposition and slide front of spring underledge on disconnector. Compress front ofdisconnector downward until disconnectorbutton is in line with slot in trigger guard.Hold in this position and push inward untildisconnector pin engages hole in oppositeside of sear bracket and hammer housinrr.

Figure 5-10 ___..___.._ . . . .._._...

Figure 5-11,5-12 _____ ___..~.....

Figures 5-5, 5-6 and 5-13 . . _. _ _Vote. When breech bolt group is removed, the

ejector will fall free of the support pin inthe receiver.

Cleaning, inspection and repair

Refer to figures 5-14 thru 5-16 forcleaning instructions.

Repair (para 5-2)Repair (para 62)Repair (para 5-2)Repair (para 5-2)Vote. If new trigger assembly is installed, it

must be adjusted to fit as follows:

a. With the safety in safe position and.rigger pulled, check the trigger thmugb trig-!er stop pin hole with 0.252040005 diameter,in.

b. With the safety in safe position and trig-rer pulled, adjust trigger adjustment screwNithin 0.003-0.005 of sear. Break off end ofscrew end apply seal ing compound.

Repair (para 5-2)

Repair (para 5-2)

CAUTION: IF SCREWDRIVER IS USED, CARE MUSTBE TAKEN TO INSURE THAT SCREWDRIVER IS INSLOT IN BOLT AND NOT BETWEEN HEAD OF BOLTAND WALL 06 STOCK. IF PRESSURE IS APPLIEDTO SCREWDRIVER WHEN IN LATTER POSITION,IT WILL BREAK GUT THE WALL OF THE STOCK.

special permissionight owner, Olin

Winchester - Western Division, -New Haven, Conn.

SCREW

REMOVE/INSTALL BUTT PLATE SCREWS AND BUTT PLATE.

Reprinted by special permission of the copyrightowner, Olin Mothieson Chemical Corp., Win-chester - Western Division, New Haven, Conn.

REMOVE/INSTALL STOCK WITH SWNEL ASSEMBLY.

R EMOVE/INSTALL MACHINE BOLT AND LOCK WASHER.

REMOVE/INSTALL SCREWS AND SWIVEL ASSEMBLY.

WE 60057

20

Figure 5-l. Removal/installation of gun shoulder stock.

A G O 20027A

REMOVE COUNTER-CLOCKWISE.

INSTALL CLOCKWISE.

Figure 5-2. Removal/installation of front sight.

Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Corm.

REMOVE TRIGGER GUARDPIN.

NOTE. INSTALL TRIGGER GUARD GROUP TOPFCFIGFR RY INSERTING FRONT FND OF RIGHT. _. _ _,.C__. _.. _

AND LEFT HAND SLIDE ARM SUPPORTS INTOSLOTS AT FRONT END OF RECEIVER PUSHINGREAR END OF GUARD GROUP DOWN UNTILPROPERLY SEATED (DO NOT FORCE).

INSTALL TRIGGER GUARDPIN.

-._.,,. -.__._THE HAMMER SPRING MUSTFIT IN RETAINING NOTCHOF SAFETY.

REMOVE/INSTALL TRIGGER GUARD GROUP.-dr

WE 50059

AGO 20027A

Figure 5-3. Removal/installation of trigger guardgroup.

21

REMOVE SLID’ ARM BRIDGE RETAINING SCREW. REMOVE FORE END AND BREECH BOLT GROUPS.

Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Corm.

FORE ENDGROUP

SEPARATE BREECH BOLT GROUP FROM FORE END GROUP.WE 60060

Figure T-4. Removal/insta~lation of fore evd and b,cech bolt groups.

Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Cow.

Figarc 5-5. RC~OUC e.iccto)..

AGO 20027A

Reprinted by special permission of. the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Corm.

INSTALL SLIDE ARM RETAINING SCREW.

LOCATION OF EJECTOR AND EJECTOR SUPPORPIN. BREECH BOLT OMITTED FOR CLARITY. -_- -

SEAT EJECTOR ON EJECTOR SUPPORT PIN.

PLACE EJECTOR BETWEEN BOLT SLIDE AND

‘\FRONT END OF LEFT SIDE OF RECEIVER.

\$

FORE END GROUP

INSTALL BREECH BOLT AND FORE END GROUPS AND EJECTORIN RECEIVER.

BREECH BOLT GROUP.

INSTALL BREECH BOLTGROUP ON FORE END GROUP.

WE 60051

Figure 5-6. Install breech bolt group, ejector and slide arm bridge retaining screw.

23

REMOVE/l NSTALL TRIGGER STOP PIN SCREW. REMOVE/INSTALL LEFT HAND SLIDE ARM SUPPORT.

CAUTION: THE CARRIER PIN IS A COMPONENT OF RH SLIDEARM SUPPORT. WHEN REMOVING SUPPORT, PLACE THUMBOR FINGER OVER CARRIER ASSEMBLY TO PREVENT LOSS OFCARRIER PLUNGER AND SPRING WHEN THE PIN IS REMOVED.

S U P P O R T - *

REMOVE/INSTALL RIGHT HAND SLIDE ARM SUPPORT.

CARRIER ASSEMBLY

REMOVE/INSTALL CARRIER ASSEMBLY, CARRIER PAWLPLUNGER AND HELICAL COMPRESSION SPRING (CARRIER).

\

\Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-

\ Chester - Western Division, New Haven, Coon.,,c--.

NOTE: HOLD HAMMER WITHTHUMB AND SLOWLY RELEASESPRING PRESSURE WHEN -TRIGGER IS PULLED.

RELEASE HAMMER.

1. PUSH SAFETY TO “OFF”(UNLOCKED) POSITION.

2. PULL TRIGGER.

WE 60065

Figure 5-7. LXsassembly/asscmbly of trigger guard group (1 of 3).

24AGO 20027A

Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-Chester - Western Division, New Haven, Corm.

NOTE: THE RETAINING PINFOR SEAR BRACKET ASSEMBLY

’ IS A COMPONENT OF DIS-CONNECTOR ASSEMBLY. PLACETHUMB OR FINGER OVER SEARBRACKET AS IT IS UNDERPRESSURE OF TRIGGER SPRING.

I

,//’

i ,,’

SPRING __._4+

DISCONNECTORASSEMBLY

I

L INE SHOWS PROPERPOSITION OF DISCONNECTORSPRING AT ASSEMBLY.

LOCATION OF DISCONNECTOR AND SPRING.REMOVE/INSTALL DISCONNECTOR ASSEMBLY ANDHELICAL TORSION SPRING (DISCONNECTOR).

REMOVE/INSTALL SEAR BRACKET ASSEMBLY. REMOVE/INSTALL HAMMER PIN.

REMOVE/INSTALL HAMMER GROUP.

NOTE: WHEN ASSEMBLING HAMMERPIN, HAMMER SPRING SUPPORTS ANDHAMMER, NOTE THAT THESECOMPONENTS EACH CONTAIN AFLAT CUT, AND MUST BE IN PROPERALINEMENT WITH HAMMER HOUSINGAT TIME OF ASSEMBLY.

DO NOT DRIVE HAMMER PIN FLUSHWITH THE HOUSING. I T MUSTPROTRUDE APPROXIMATELY l/R INCHTO ALLOW PROPER FUNCTIONING OFDISCONNECTOR.

F igure 5-8. Disassembl?J/nssemblU of tliggw gunwl g,‘oup (2 of 3).

25

NOTE: TO INSTALL PRESS SUPPORTSIN WITH THUMB AND FINGER

THIN-BLADED

REMOVE/l NSTALL HAMMER SPRING SUPPORTS.

REMOVE/l NSTALL SAFETY

“Ib-- PIN

REMOVE/INSTALL TRIGGER.

Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., WinChester - Western Division, New Haven, Con

SEPARATE/ASSEMBLE HAMMER AND HELICAL TORSIONSPRING.

NOTE: REMOVE FROM RIGHT 1LEFT AS ONE END OF PIN ISSERRATED WITH LIGHT TAPER.

REMOVE/INSTALL TRIGGER PIN.

ER HOUSING

TRIGGER GUARD

NOTE: IT MAY BE NECESSARY TO USE- SOtiE FORCEWHEN REMOVING HOUSING. PULL UP AND OUTFROM TRIGGER GUARD. DO NOT PRY.

REMOVE/INSTALL HAMMER HOUSING.WE 60068

2 6

Figure 5-9. Disassembly/assembly of trigger guard group (3 of 9).

AGO 20021A

Reprinted by special permission of the copyrightowner, Olin Mothieson Chemical Corp., Win-

r - Western Division, New Haven, Corm.

DISASSEMBLY/ASSEMBLY

REMOVE/INSTALL SLIDE ARM CAP. REMOVE/INSTALL FORE END.

WE 60062

Figure 5-10. Disassembly/assembly of jo,re end group.

27

MAKE CERTAIN THAT THE TAB OF THE BRIDGE DROPSDOWN BETWEEN THE FLANGE AND THE HEAD OFFIRING PIN TO RETAIN IT IN PLACk.

TAB

SLIDE ARM BRIDGE INSTALLED.

Reprinted by special permission of the copyrightowner, Olin Mathieson Chemical Corp., Win-chester - Western Division, New Haven, Conn.

REMOVE FIRING PIN AND SPRING.

CAUTION: AFTER CAM PIN HAS\ BEEN REMOVED. PLACE THUMB

OR FINGER OVkR THE REAREND OF THE BREECH BOLTBEFORE REMOVING PUNCH.FIRIN G PIN COLLAR AND

s EXTRACTOR SPRING AREUNDER PRESSURE AND WILLFLY OUT IF NOT PROTECTED.

&EXTRkCTOR

RETAINING FIRING PIN COLLAR AND EXTRACTOR SPRINGDURING REMOVAL OF BREECH BOLT COMPONENTS.

CAUTION: HOLDTHUMB OVER FIRINGPIN TO PREVENT PINAND SPRING FROMBEING LOST UNTILBRIDGE IS REMOVEDOR INSTALLED.

INSTALLATION:

REMOVE/INSTALL SLIDE ARM BRIDGE.

PIN .“_’

REMOVE CAM PIN.

BREECHBOLT

FIRINGPINCOLLAR

REMOVE FIRING PIN COLLAR, HELICAL COMPRESSIONSPRING, EXTRACTOR AND BREECH BOLT.

WE 60063

Figure 5-11. Diaassembl~/asscmbly of breech bolt group (1 of 2).

28 AGO 20021.4

INSTALL HELICAL COMPRESSIONSPRING ON FIRING PIN. INSERTSPRING AND PIN IN BREECH BOLTFROM REAR, MAKING CERTAINTHAT FIRING PIN PASSES THRU

-HOLE IN CAM PIN. COMPRESSFIRING PIN. \

INSTALL FIRING PIN AND HELICAL COMPRESSIONSPRING (FIRING PIN).

NOTE: ALINE CAM SLOT WITH CAM PIN HOLE IN THEBOLT BY LIFTING BOLT SLIDE SLIGHTLY. START END OFCAM PIN NEAREST FIRING PIN HOLE INTO THE BOLT.THE HOLE IN CAM PIN MUST BE IN LINE WITH THE LONGAXIS OF BOLT. USING DRIFT PIN OR (IMPROVISED) CAMPIN ASSEMBLY TOOL, PUSH FIRING PIN COLLAR DOWNTO COMPRESS THE HELICAL COMPRESSION SPRING.

CAUTION: DO NOT HAVE YOUR FACE IN LINE WITHBACK END OF BOLT DURING THIS OPERATION. PUSHCAM PIN IN AS FAR AS IT WILL GO. AT THIS POINTCOLLAR MAY PREVENT PIN FROM SEATING FULLY. IFNECESSARY, USE A SMALL ROD OR SCREWDRIVER TODEPRESS THE UPPER EDGE OF COLLAR WHILE SEATINGCAM PIN.BOLT SHOULD BE BOTTOM SIDE UP WITH EXTRACTOR ONRIGHT HAND SIDE. LOOKING THRU BOLT FROM REAR,CLEAR PASSAGE FOR FIRING PIN SHOULD BE VISIBLE.

Reprinted by special permission of the copyrightowner, O’in Mothieson Chemical Corp., Win-chester - Western Division, New Haven, Corm.

INSTALL BREECH BOLT.

EXTRACTOR

INSTALL EXTRACTOR,

SEAT CAM PIN.

CAM PINASSEMBLY

INSTALL CAM PIN.

BREECH BOLT

Figzwe 5-M Disaeeembly/assembl~ of breech bolt group (2

SPRING AND COLLAR.

of 2).

29

CAUTION: WHEN REMOVING \

MAGAZINE SPRING FROM

-.\

PLUG

\ “? I/REMOVE MAGAZINE PLUG. INSTALL MAGAZINE PLUG.

MAGAZINE

Reprinted by special permission of the copyright owner, Olin MothiesonChemical Corp., Winchester - Western Division, .N Haven, Corm .

1

tE

NOTE: DO NOT ATTEMPT TO REMOVEMAGAZINE FROM RECEIVER AS THISIS A FACTORY ASSEMBLY OPERATIONONLY.

PLUG

R E M O V E/ INSTALL PLUG AND H E L IC AL COMPRESSION SP R I NG (M AG A Z I N E) .

3 0

FOLLOWER ,,

REMOVE

6

REMOVE/INSTALL MAGAZINE FOLLOWER.

Figure 5-13. Disasscmbl~/assembl~ o f mccgazitle.

WE 60069

XGO 20027A

Reprinted by special permission of the copyright

A - CLEANING MAGAZINE TUBE.

B - CLEANING BARREL.

C - CLEANING SLIDE ARM EXTENSION. WE 60071

31

,\c,o ?n027A

BRUSH IRECEIVER

A _ LUBRICATING RECEIVER AND MAGAZINE TUBE*

B _ LUBRICATING SLIDE ARM EXTENSION.

\

‘> >BAND

ASSEMBLY

C _ L(,BR\CAT]NG BARREL AND BAYONET BAND ASSEMBLY.h

,

..^ .tIGGER GUAKU Vnuu’- WE 60070E - LU BRICATING Tr

rnr\,,D*

_^^,,n

D _ LUBRICATING BREEC:H BOLT GKUur.

Figure 5-I 5.Lubricating instructic”s* Aa 20021

32

NOTE: RURUNSEEDOIL IN WOOD TOTREAT STOCK.

A. STOCK WITH SWIVEL ASSEMBLY. B. FORE END.

WE 60072

Figure 5-16. Cleuniug and treating wooden components.

5-6. Functioning with Once-Fired Empty will be handfunctioned, using five once-fired

Rounds empty rounds. Shotguns which fail in above-noted test will be corrected by replacement of

Shotguns authorized to be repaired in the field defective parts.

33

CHAPTER 6

MATERIAL USED IN CONJUNCTION WITH MAJOR ITEM

6- 1. GeneralThis chapter contains information on materielused with the major item.

6-2. Descriptiona. Bayonet, Ml91 7’. (fig. B-l) It is used for

close contact, guarding of prisoners and riotduty. It can also be used as a general utilityknife. It has a cutting edge of 14.81 inches atthe bottom running from the point. The handlefits comfortably and has a knurled surface fora firm grip.

b. Sling, Ml. (fig. B-l) It hooks on the gunshoulder stock swivel and adapter swivel ofbayonet band assembly and aids the operatorin carrying and firing the weapon.

c. ScaBbard, Bayonet, M1.917. (fig. B-l) It isused to carry the bayonet Ml917 when notbeing used on the shotgun.

6-3. Removal/Installation

a. Buyovet, M1917. Refer to figure 6-l.

b. Sling, Ml. Refer to figure 6-2.

Figure F-l . Remove/install bayonet, B1917.

6 - 4 . Disa&embly/Assembly 6-5. Cleaning, Inspection and Repair

None authorized. a. Cleaning.

34AGO 200279

-./STEP I. REMOVE SLING FROMy.J SWIVEL ON BAYONET BAND

_JASSEMBLY.

STEP 2. REMOVE SLING FROMSTOCK SWIVEL ASSEMBLY.

TO INSTALL: REVERSE PROCEDURE.

WE 60075

Figure 6-2. Remove/install sling.

(1) Bayonet M1917. Remove grease, oil,and dirt with carbon removing compound (P-C-111). Lubricate with general purpose lubri-cating oil (PL special).

(2) Sling, ,441. Clean with dry cleaningsolvent (SD), using cloth or bristle brush.

(3) Scabba(rd, Ml917. Clean metal partswith carbon removing compound.’ The samecompound can be used to clean plastic com-

ponents if required. Lubricate with generalpurpose lubricating oil.

b. Irspection.

(1) Bayonet, M1917.(a) Should fit shotgun properly and

latch securely.(b) If blade tip or grips are broken,

replace.(c) Blade should be free of nicks,

turned edges, rust and corrosion.

(2) Sling, .Ml.(a) Inspect for required components

such as hooks, fasteners, etc.(b) Check for cuts or other damage

which will reduce strength or protectivequalities.

(c) Examine corners, seams and edgesclosely.

(3) Scabb~ard, Bayonet, M1917.(a) Metal parts should be dark. Re-

paint if required).(b) Spring should hold bayonet when

inserted in scabbard.(c) Loops or hooks for attaching to belt

should not be damaged. They will be securelyfastened to the metal top plate.

c. Repair. Replace bayonet, M1917, Sling,Ml, Scabbard, Bayonet, Ml917 or cleaning rod(wooden) if unserviceable.

35

CHAPTER 7

AMMUNITION

7- 1. General The ammunition (fig. 7-1) for the shotgun is classified as small arms ammunition and is issued in the form of a complete round. The cartridge consists of the lead pellets (00 buckshot), cartridge case (which is water proofed), wadding, propellant powder and primer necessary to fire the weapon. For additional information, refer to SC 1305/30-IL and TM 9-1305-200.

7-2. Functioning Test Function fire shotgun with once-fired empty rounds (para 5-6).

Note. The empty round should be weighted to approximately the same weight as a “live” round.

7-3. Malfunctions Involving Ammunition and Explosives

Refer to TM 9-1300-206.

Reprinted by special permission of the copyright owner, Olin Mothieson Chemical Corp., Win- chester - Western Division, New Haven, Conn.

t-

2.3 IN. APPROX.

I

BRASS PLA3TIC

LOADED WiTH SMOKELESS POWER AND NO. 00 BUCKSHOT. WE 60158

Figure 7-l. l&gage shotgun cartridge.

36 AGO 2002lA

CHAPTER 8

FINAL INSPECTION

8-1. lnrpection Procedures

Refer to table 8-l.

Table 8-l. Final Inspection

Shotgun _..__..._

Trigger pull

Gun shoulder stock group.

Barrel

Bayonet band assembly.

Trigger guard group

Fore end group

AGO 2OO!!lA

Point or item ot rs3pectlon

___ _..___. ._.- -.-- Exposed surfaces

(metal).

Exposed surfaces (wood).

prigger

_ _ ..__ _ __.__

Butt plate

swivel assembly

Bore and chamber

:uard and adapter

_ _ _ - _ _ - _ lafety _.

‘rigger guard

‘rigger

:arrier assembly

,eft and right hand slide arms supports.

Method of inspection

Visual Visual

Visual

Functional

Visual

Visual .

Visual

Visual

Visual

Visual Functional

Visual

“unctional

?unctional ‘

Visual

Functional

Visual

__

Acceptable condition

CornpIke and serviceable weapon. Dull finish (phosphate). Free of scratches

and abrasions.

Smooth finish (linseed oil). Free of cracks, chips and gouges.

3.5 lb minimum to 8.0 lb maximum.

Must fit mating surfaces of receiver.

Must be secured to stock. Mounting holes must not be stripped. Scratches and small gouges are acceptable.

Must be free swinging and properly secured to stock.

Must be free of powder residue, bulges, cracks, and deep pits.

Hand guard must be firmly secured to adapter. Locking lug of adapter must be free of burs. Swivel must be free swinging. Front sight must not be loose or protrude through adapter.

Will not bind or fit loosely in receiver. Must function properly in “ON” and “OFF”

positions without binding and provide a positive stop.

Will not be cracked or damaged which will impair movement of trigger and safety.

Zock and pull trigger. Any evidence of creep must be removed.

Must function up and down freely.

Will not have burs or be bent.

Hand function weapon with five empty rounds to insure that shell stop and cartridge cutoff function properly.

Will not have cracks or other damage. Must fbnction freely with receiver and magazine group and slide arm extension.

Table 8-1. Final Inspection-Continued

Component or assembly

Breech bolt group _

Magazine ._ .___

Magazine cap Receiver group

Point or it& of inspection

Firing pin hole . ~. Extractor _ _ _ _

Extractor spring

Magazine tube Magazine plug,

follower.

Ejector

Ejector support pin

Method of inspection

Visual __.. ..____. Visual __....______. Visual ____

Visual _ _ _ _. _

Visual

Visual .._________._

Functional or visual

Functional or visual

Acceptable condition

Must be secured to slide arm supports. Must be free of residue and corrosion. Free of bure, hand spring tension and the

hook will not be cracked or mutilated. Press on extractor, with thumb, to see if

spring is providing proper tension. Must not be weak.

Must be secured to receiver. Must be free of burs, dents, bulges and

rust. Follower must slide easily into magazine tube.

Must be secured to magazine tube. Will be free of burs, dents, and bulges on

all operating surfaces. Will be free of burs and not bent. Should

eject empty cartridges. Will be free of burs and not broken or

bent.

8-2. Functioning and Firing Teats b. Upon completion of firing, shotguns will

a. Shotguns will be hand functioned in be properly cleaned and lubricated (para 3-4).

accordance with paragraph 5-6 and fired on a firing range or a provisional range using five 8-3. Completion of Inspection

“live” cartridges. Shotguns which fail to meet When shotgun has been restored to a ser- the functioning and firing tests are to be viceable condition, and inspected to certify corrected by the replacement of defective serviceability, it will be returned to the user components. or to stock.

38 AGO 20W7A

ADMINISTRATIVE

MATERIEL

CHAPTER 9

STORAGE AND DEMOLITION OF

TO PREVENT ENEMY USE

%l. Administrative Storage

Refer to TM 740-90-l.

9-2. Demolition of -Materiel To Prevent Enemy Use

a. Destruction of the shotgun when subject to capture or abandonment in the combat zone, will be undertaken only when, in the judgment of the Commander concerned, such action is necessary. The authority for ordering the destruction of equipment is vested in divisional or higher commanders when the situation re- quires. If destruction is resorted to, the equipment must be so badly damaged that it cannot be restored to a usable condition in the combat zone either by repair or cannibaliza-

tion. The reporting of the destruction of equipment is to be done through command channels.

b. Priorities for destruction of parts and equipment are :

Receiver and magazine group

Barrel assembly and bayonet band assemb-

lY

Breech bolt group

Trigger guard group

c. The same priority for destruction of component parts of a major item necessary to render that item inoperable must be given to the destruction of similar components in spare parts storage areas.

AGO 20027A 39

APPENDIX A

REFERENCES

A-l. Publication Indexes _

The following indexes should be consulted frequently for the latest changes or revision of references given in this appendix and for new publications relating to material covered in this manual.

Index of Administrative Publications DA Pam 310-l

Index of Army Films, Transparencies, GTA Charts, and Recordings DA Pam 108-l

Index of Blank Forms _ _ _ _ _ _ _ ~. . _ DA Pam 310-2

Index of Doctrinal, Training, and Organizational Publications DA Pam 310-3 Index of Graphic Training Aids and Devices _ _ . . . _ _ _ . DA Pam 310-5 Index of Supply Catalogs and Supply Manuals (Excluding Types

7, 8and 9) ________________~________~ ~______.._____.____.. .-DA Pam 310-6

Index of Technical Manuals, Technical Bulletins, Supply Manuals, (Types 7, 8 and 9) Supply Bulletins, and Lubrication Orders DA Pam 310-4

A-2. Supply Catalogs

Sets, Kits and Outfits Components Lists,’ Tool Set, Direct and Gen- eral Support .Maintenance, Basic Small Arms _ _ _ . _ SC 4933-95-CGE04

Ammunition and Explosives . . _ _ _ _ _ SC 1305/30-IL

A-3. Forms

The following forms pertain to this material. DA Form 2028, Recommended Changes to DA Technical Manual,

Parts Lists or Supply Manual 7, 8 and 9 DA Form 2407, Maintenance Request

A4 Other Publications

The following explanatory publications pertain to this materiel.

a. Ammunition.

Care, Handling, Preservation and Destruction of Equipment TM 9-1300-206 Small Arms Ammunition . _ . _ _ _ _ TM 9-1305-200

b. Cleaning. Cleaning of Ordnance Materiel . _ _ _ _ . ~. . . .

Materials Used for Cleaning, Preserving, Abrading, and Cement- TM 9-208-l

ing Ordnance Materiel and Related Materials Including Chemicals c. Impection.

TM 9-24’7

Small Arms Weapons: Standards for Visual Inspection of Barrels TB ORD 437

40 AC0 2OiK!7r\

Standards for Oversea Shipment or Domestic Issue of Small Arms, Aircraft Armament, Towed Howitzers, Mortars, Recoilless Rifles, Rocket Launchers and Associated Fire Equipment _ . _ . _ _ _ _ _ . _ _ _ _ _ _ TB 9-1000-24’7-35

d. Issue of Supplies and Equipment. The Army Equipment Record Procedures _ _ _ _ . _ _ _ . _ _ _ . . _ . . TM 38-750

e. Logistics.

Operation and Maintenance of Army Materiel in Extreme Cold Weather 0” to -66” __________._____.._______.___________________TM 9-207

f. Storage. Administrative Storage of Equipment _ _ _ _ _ _ _ _ _ TM 740-90-l

APPENDIX 6

COMBINED ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL

SUPPORT REPAIR PARTS AND SPECIAL TOOLS LIST

Section I. INTRODUCTION

B-l. Scope

This appendix lists basic issue items, repair parts and special tools required for the performance of organizational, direct support and general support maintenance of the Winchester Shotgun, Model 1200.

B-2. General

This Basic Issue Items, Repair Parts, and Special Tools List is divided into, the following sections :

a. Basic Issue Items-Section II. A list of items which accompany the shotgun and are required by the operator/crew for installation, operation, or maintenance.

b. Maintenance and Operating Supplies- Section III. A listing of maintenance and operating supplies required for initial operation.

c. Prescribed Load Allowance (PLA). Not applicable.

d. Repair Parts-Section IV. A list of repair parts authorized for the performance of maintenance at the organizational level in figure and item number sequence.

e. Special Tools, Test and Support Equip- ment-Se&m V. A list of special tools, test and support equipment authorized for the performance of maintenance at the organizational level.

f. Repair Parts-Section VI. A list of repair parts authorized for the performance of maintenance at the direct support and general

42

support level in figure and item number sequence.

g. Special Tools, Test and Support Equip- ment-section VZZ. A list of special tools, test and support equipment authorized for the performance of maintenance at the direct support and general support level.

h. Federal Stock Number and Reference Number Index-Section VIII. A list of Federal stock numbers in ascending numerical sequence, followed by a list of reference numbers appearing in all the listings, in ascending alpha- numeric sequence, crossreferenced to the illustration figure number and item numbey

B-3. Explanation of Columns

The following provides an explanation of columns in the tabular lists in sections II through VII.

a. Source, Mainteruwwe, and Recoverability Codes (SMR) .

(1) Source Code. Indicates the selection status and source for the listed item. Source codes used are:

Code Ezplanation

P Repair parts which are stocked in or supplied from the GSA/DSA, or Army supply system, and authorized for use at indicated maintenance categories.

M Repair parts which are not procured or stocked but are manufactured at indicated maintenance categories.

A Assemblies which are not procured or stocked as such but are made up of two or more units, each of which carry individual FSNs and de- scriptions and are procured and stocked and can be assembled by units at indicated maintenance categories.

AGO 20027A

Code

X

Xl

x2

C

G

Parts and assemblies which are not procured or stocked; the mortality of which is normally below that of the applicable end item; and the failure of which should result in retirement of the end item from the supply system. Repair parts which are not procured or stocked,

the requirements for which will be supplied by use of next higher assembly or component. Repair parts which are not stocked. The indi-

cated maintenance category requiring such repair parts will attempt to obtain through can- nibalization ; if not obtainable through canni- balization, such repair parts will be requisitioned with supporting justification through normal supply channels. Repair parts authorized for local procurement. When not obtainable from local procurement, such repair parts will be requisitioned through normal supply channels with a supporting state- ment of nonavailability from local procurement. Major assemblies that are procured with PEMA funds for initial issue only to be used as exchange assemblies at DSU and GSU level. These assemblies will not be stocked above DSU and GSU level or returned to Depot supply level.

(‘2) Muinttmunce Code. Indicates the lowest category of maintenance authorized to install the item. The maintenance level codes are :

CO& Ezalonation

C Crew/Operator 0 Organizational Maintenance F Direct Support Maintenance H General Support Maintenance

(3) Recoverability Code. Indicates whether unserviceable items should be returned for re- covery or salvage. code

R

T

U

S

Repair parts and assemblies which are economi- cally repairable at DSU and GSU activities and are normally furnished by supply on an exchange basis. High dollar value recoverable repair parts which are subject to special handling and are issued on an exchange basis. Such repair parts are normally repaired or overhauled at depot maintenance activities. Repair parts specifically selected for salvage by reclamation units because of precious metal content, critical materials, high dollar value reusable casings, etc. Repair parts and assemblies which are economi- cally -repairable at DSU and GSU activities and normally. are furnished by supply on an exchange basis. However, when these items are determined to be uneconomically repairable by a GSU they will be evacuated to a depot for evaluation and analysis before final disposition.

No Code Indicated

Parts will be considered expendable.

AC0 20027A

6. Federal Stock Number. Indicates the Federal stock number assigned to the item and will be used for requisitioning purposes.

c. Description. Indicates the Federal item and a brief description of the item. The abbreviation “w/e” when used as a part of the nomenclature, indicates the Federal stock number includes all armament, equipment, accessories, and repair parts issued with the item. A part number or other reference number is followed by the applicable five-digit Federal supply code for manufacturers in parentheses. Repair parts quantities included in the kits, sets, and assemblies are shown in front of the repair part name.

d. Unit of Mea-sure (U/M). A 2 character alphabetic abbreviation indicating the amount or quantity of the item upon which the allowances are based, e.g., ft, ea, pr, etc.

e. Quantity Incorporated in Unit. Indicates the quantity of the item used in the functional group or assembly. A”V” appearing in this column in lieu of a quantity indicates that a definite quantity cannot be indicated (e.g. shims, spacers, etc) .

f. Quantity Furnished with Equipment. Indicates the quantity of an item furnished with the equipment (BIIL only.

g. Component Application. Identifies the component application of each maintenance or operating supply item (M&O supplies only).

h. Qmmtity Required for Initial Operation. Indicates the quantity of each maintenance or operating supply item required for initial operation of the equipment (M&O supplies only).

i. Qua&ity Required for 8 Hours Operatim. Indicates the estimated quantities required for an average 8 hours of operation (M&O supplies only).

j. Notes. Indicates informative notes keyed to data appearing in a preceding column (M&O supplies only).

k. 15Daze Organizational Maintmance .Allowances.

(1) The allowance columns are divided in- to four subcolumns. Indicated in each sub- column opposite the first appearance of each

43

item is the total quantity of items authorized for the number of equipments supported. Sub- sequent appearances of the same item will have the letters “RE” in the allowance columns. Items authorized for use as required but not for initial stockage are identified with an asterisk in the allowance column.

(2) The quantitative allowances for organizational level of maintenance represents one initial prescribed load for a 15-day period for the number of equipments supported. Units and organizations authorized additional prescribed loads will multiply the number of prescribed loads authorized by the quantity of repair parts reflected in the appropriate density column to obtain the total quantity of repair parts authorized.

(3) Organizational units providing maintenance for more than 100 of these equipments shall determine the total quantity of parts required by converting the equipment quantity to a decimal factor by placing a decimal point before the next to last digit of the number to indicate hundredths, and multiplying the decimal factor by the parts quantity authorized in the 51-100 allowance column. Example, authorized allowance for 51-100 equipments is 12; for 140 equipments multiply 12 by 1.40 or 16.80 rounded off to 17 parts required.

(4) Subsequent changes to allowances will be limited as follows: No change in the range of items is authorized. If additional items are considered necessary, recommendation should be forwarded to Commanding General, Head- quarters, U.S. Army Weapons Command, ATTN : AMSWE-SMM-SA, Rock Island, Illinois 61201 for exception or revision to the allowance list. Revision to the range of item authorized will be made by Headquarters, U.S. Army Weapons Command based upon engineer- ing experience and demand data, or TAERS information.

1. 30-Day DS/GS Maintenance Allowances.

Note. Allowances in GS column are for GS maintenance only.

(1) The allowance columns are divided into three subcolumns. Indicated in each sub- column, opposite the first appearance of each item, is the total quantity of items authorized for the number of equipments supported. Sub-

sequent appearances of the same item will have the letters “RE” in. the applicable allowanc$ columns. Items authorized for use as required but not for initial stockage are identified with an asterisk in the allowance column.

(2) The quantitative allowances for DS/GS levels of maintenance will represent initial stockage for a 30-day period for the number of equipments supported.

(3) Determination of the total quantity of parts required for maintenance of more than 100 of these equipments can be accomplished by converting the equipment quantity to a decimal factor by placing a decimal point before the next to last digit of the number to indicate hundredths, and multiplying the decimal factor by the parts quantity authorized in the 51-100 allowance column. Example, authorized allowance for 51-100 equipments is 40; for 150 equipments multiply 40 by 1.50 or 60 parts required.

m. l-Year Allowarlces Per 100 Equipments/ Contingency Planning Pzcrposes. Indicates opposite the first appearance of each item the total quantity required for distribution and contingency planning purposes. The range of items indicates total quantities of all authorized items required to provide for adequate support of 100 equipments for one year.

TL. Illustration.

(1) Figure Number. Indicates the figure number of the illustration in which the item is shown.

(2) Item Number. Indicates the callout number used to reference the item in .the illustration.

E-4. How to locate Repair Parts

a. When Federal stock number or reference number is unknown:

(2) First. Using the table of contents determine the functional group or subgroup, i.e., stock group, barrel and bayonet band assembly, breech bolt group within which the repair part belongs. This is necessary because separate illustrations are prepared for functional groups or subgroups and listings are divided into the same groups.

(2) Second. Find the illustration cover.

44 AGO 20027A

Section IV. REPAIR PARTS FOR ORGANIZATIONAL MAINTENANCE

(2)

“ZY’ NO.

(6) 15 Day Ornanizational

Maint. Allowance

(3)

Description

(7)

Illustration

CD)

il-100

*

*

* t * II * * * REPAIR PARTS FOR:

SCREW, BAYONET BAND: 6284554 (19205)

BAND ASSEMBLY, BAYONET : 11686389 (19205)

P 0 5305-930-5729

1005-939-7170

EA

EA

3

1 P 0

Section V. SPECIAL TOOLS, TEST AND SUPPORT EQUIPMENT FOR ORGANIZATIONAL MAINTENANCE

(4)

ud;” MCSS

1

-

(1) source,

Maint. and Recov. code

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(6) 15 Day Organizational

Maint.. Allowance

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3 -

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*

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2

2

2

2

2

(7)

Illustration

(3)

Description

TOOLS AND EQUIPMENT

AUTHORIZED FOR UNIT

REPLACEMENT

SWAB, SMALL ARMS CLEANING : COTTON,

21% SQ (iOO0 IN PKG) 5019316 (19204)

ROD, CLEANING, SMALL ARMS: M9 6301446

(19204)

SLING, SMALL ARMS: Ml, WEBBING 6544068

(19204)

BAYONET: Ml917 11686400

(19204)

SCABBARD, BAYONET:

Ml917 7265706 (19206)

(b) dain

(a) ‘is. no.

(b) tern No.

1005-288-3565

1005-630-1446

1005-654-4068

1005-913-2602

1095-726-5706

PG

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46 AGO 20027A

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8 (1)

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5305-621-0143

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5310-017-8687

1005-614-6873

1005-614-7721

1005-805-3367

1005-805-3754

5305-930-5729

1005-939-7170

1005-805-3267

1005-805-4048

5315-017-8673

5305-021-0114

1005-805-4246

(3)

Description

REPAIR PARTS FOR: IAJOR GROUPS, ASSEMBLIES AND ATTACHING

PARTS GUN SHOULDER STOCK GROUP

CREW, BUTT PLATE: PHILLIPS HD .2009112 (66118) ‘LATE, BUTT, SHOULDER: 1812-G-1390 (66118) %OLT, MACHINE : .20014102 (66118) VASHER, LOCK: .20015102 (66118) SCREW, BUTT PLATE, SMALL: SLTD i146873 (19205) SWIVEL ASSEMBLY, SLING: i147721 (19205) STOCK, GUN, SHOULDER: 120013102-D (66118) ZAP, MAGAZINE : 120034102 (66118) BARREL AND BAYONET BAND ASSEMBLY

SCREW, BAYONET BAND: 5284554 (19205)

BAND ASSEMBLY, BAYONET: 11686389 (19205)

SIGHT, FRONT : 11686387 (19204)

BARREL ASSEMBLY: 120041028 (66118)

PIN, TRIGGER GUARD: 120066102 (66118)

TRIGGER GUARD GROUP

SCREW, RETAINING: SLIDE ARM BRIDGE 12002514 (66118)

FORE END GROUP

CAP, SLFDE ARM EXTENSION: 120054102 (66118)

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24 B-2 12

24 B-2 13

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1005-805-4257

1005-805-3537

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1005-805-3939

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1005-805-4284

1005-805-3425

1005-806-3440

1005-805-3475

1005-805-3488

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1005-805-3744

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B-2 B-2 B-2

B-2

B-2

B-2

B-2

(b) em No.

20

21

22 23 24

26

26

27

28

(3)

Description

FORE END, GUN: 120029102-AC (66118)

EXTENSION, SLIDE ARM : 120055102-NS (66118) BREECH BOLT GROUP RECEIVER AND MAGAZINE GROUP EJECTOR, CARTRIDGE : 120022102 (66118) PLUG, MAGAZINE TUBE : 120044102 (66118) SPRING, HELICAL COMPRESSION : MAGAZINI 120016212 (66118) FOLLOWER, MAGAZINE : 120037102 (66118) RECEIVER AND MAGAZINE TUBE:

TRIGGER GUARD GROUP

SCREW, TRIGGER STOP PIN: 120062102 (66118) SUPPORT, LEFT HAND SLIDE ARM: 120057102 (66118) SUPPORT, RIGHT HAND SLIDE ARM: 120059102 (66118) CARRIER ASSEMBLY: 120017102 (66118)

PLUNGER, CARRIER PAWL: 120018102 (66118)

SPRING, HELICAL COMPRESSION : (CARRIE1 PLUNGER)

120019102 (66118)

DISCONNECTOR, ASSEMBLY: 120020102 (66118)

SPRING, HELICAL TORSION : (DISCONNEC- TOR)

120021102 (66118)

BRACKET -ItSSEMBLY, SEAR : 120050102 (66118)

PIN, HAMMER: 120032102 (66118)

Dir

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1006-806-3746

1006-806-3710

SUPPORT, HAMMER SPRING:

120041270 (66118)

SPRING, HELICAL TORSION (HAMMER)

120033102 (66118)

HAMMER, FIRING, SMALL ARMS:

120030102 (66118)

1006-806-4201 SAFETY, SMALL ARMS:

120049102-NS (66118)

6316-17-8672 PIN, TRIGGER : 120067102 (66118)

1006-806-4296 TRIGGER : 120061102 (66118)

1006-806-3711 HOUSING, HAMMER: 120031102-NS (66118)

1006-806-4291 GUARD, TRIGGER: 1%0063102-NS (66118)

I BREECH BOLT GROUP I

1006-806-4244 BRIDGE, SLIDE ARM : 120063102 (66118)

1005-805-3632 PIN, FIRING: 120026lO2 (66118)

1006-806-3702 SPRING, HELICAL, COMPRESSION : PIN)

120028102 (66118)

1006-805-3382 PIN, CAM : 120016102 (66118)

1006-806-3686 COLLAR, FIRING PIN : 120027102 (66118)

1006-806-3602 SPRING, HELICAL, COMPRESSION : (EXTRACTOR)

120026102 (66118)

1006-806-3666 EXTRACTOR, CARTRIDGE : 120024102 (66118)

1006-806-4306 BOLT, BREECH : .12008102 (66118)

1006-806-3366 SLIDE, BREECH BOLT : 1200121W-A (66118)

(FIRING

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24

24

24

24

24

24

24

24

24

24

24

24

24

24

24

16

16

18

Section VII. SPECIAL TOOLS, TEST AND SUPPORT EQUIPMENT LIST

(1)

source, Maint. and Recov. code

s2Ae M%. BZL P 0

P c

P c

P c

P c

(2) I (3)

Fsz-%’ NO.

Description

1006-288-3566 SWAB, SMALL ARMS, CLEANING: COTTON, 2% SQ (1000 IN PKG)

5019316 (19204)

1005-630-1446 ROD, CLEANING: M9 6301446 (19204)

lQO&654-4068 SLING, SMALL ARMS: Ml, WEBBING 6544058 (19204)

1006-913-2602 BAYONET : Ml917 11686400 (19204)

1095-726-5706 SCABBiRD, BAYONET: Ml917 7265706 (19205)

I

(4) Unit b&3

PG

EA

EA

EA

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Direct Support General support 30-Day Maint. SO-Day M&k

AllOW&lnCe Allowance

(A) l-20 JBio 5EJo _-

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* * 2

* * 2

41 8 2

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24

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Illustration

s P b

g P f

P

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F

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F

F

F

F

F

F

F

F

F

F

F

F

-

1006-805-4066

1006-805-3’746

1006-806-3710

1005-805-4201

5316-1’7-8672

1005-805-4299

1005-805-3’711

1005-805-4291

1005-805-4244

1005-805-3632

1005-805-3702

1006-806-3382

1005-805-3686

1005-805-3602

1005-805-3555

1005-805-4306

1005-805-3366

WPPORT, HAMMER SPRING: 120041270 (66118)

SPRING, HELICAL TORSION (HAMMER) 120033102 (66118)

HAMMER, FIRING, SMALL ARMS: 120030102 (66118)

SAFETY, SMALL ARMS: 120049102-NS (66118)

PIN, TRIGGER: 120067102 (66118)

TRIGGER: 120061102 (66118)

HOUSING, HAMMER: 120031102-NS (66118)

GUARD, TRIGGER: 120063102-NS (66118)

BREECH BOLT GROUP

BRIDGE, SLIDE ARM: 120053102 (66118)

PIN, FIRING : 120026102 (66118)

SPRING, HELICAL, COMPRESSION : (FIRING PIN)

120028102 (66118)

PIN, CAM: 120016102 (66118)

COLLAR, FIRING PIN: 120027102 (66118)

SPRING, HELICAL, COMPRESSION : (EXTRACTOR)

120025102 (66118)

EXTRACTOR, CARTRIDGE: 120024102 (66118)

BOLT, BREECH : .12008102 (66118)

SLIDE, BREECH BOLT: 120012102-A (66118)

EA

EA

EA

EA

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EA

EA

EA

EA

EA

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EA

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B-3

B-3

B-3

B-3

B-3

B-3

B-3

B-4

B-4

B-4

B-4

B-4

B-4

BA

B-d

B-l

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11

12

13

14

16

16

17

18

1

2

3

4

5

6

7

8

9

(1)

source. Msint. and Recov. code

Section VII. SPECIAL TOOLS, TEST AND SUPPORT EQUIPMENT LIST

(3) (6)

Description

Direct Support 30-Day Maint.

AllOWlIIlCe

SWAB, SMALL ARMS, CLEANING: COTTON, 2% SQ (1000 IN PKG)

5019316 (19204)

ROD, CLEANING: M9 6301446 (19204)

SLING, SMALL ARMS: Ml, WEBBING 6544058 (19204)

BAYONET : Ml917 11686400 (19204)

SCABBA‘RD, BAYONET: Ml917 7265706 (19205)

PG

EA

EA

EA

EA

E I&

l&t

-

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1006-288-3566

1005-630-1446

lQO6-664-4068

1006-913-2602

1095-726-5706

(7)

General Support

s0-D*y Maint. AllOW~llCe 1 :

IA) -20 -

*

(B) !l-so -

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2

(8) 1 Yr. Ah. ‘er lO( 4uipI :ntgcu Plan- ning

24

(9)

Illustration

z

24 B-l

24 B-l

24 B-l

24 B-l

fb) em No.

Reprinted by special peamission of the copyright owner Olin Mathieson Chemical Corp.,

Winchester - Western Division, New ‘Haven, Corm.

l COMPONENT OF ITEM 22

+* INDICATES ARMY CONTROLLED ITEM.

WE 60054

Figure B-g. Maior gmac% mxwmwnbliea and attaching part&.

1

B ,

Tr \- \

7 L__----- 3 __--

Reprinted by special permission of the copyright owner, Olin Mathiesan Chemical Carp., Win- chester - Western Division, New Haven, Conn.

Figure B-9. Trigger guard group.

53

54

Reprhd by special permioion of the Chemical Corp . , Winchester - Western

Figure B-d. Breech bolt group,

AGO 2002iA

Section VIII INDEX-FEDERAL STOCK NUMBER AND REFERENCE NUMBER

CROSS-REFERENCE TO FIGURE AND ITEM NUMBER

Stoeli Number

lOjI5-614-6873 1005-614-7721 1005-630-1446 1005-654_4058 1005-805-3267 1005-805-3366 1005-805-3367 1005-805-3382 1005-805-3409 1005-805-3425 1005-805-3440 1005-805-3475 1005-805-3488 1005-805-3489 1005-805-3537 1005-805-3555 1005-805-3602 1005-805-3632 1005-805-3686 1005-805-3702 1005-305-3709 1005-805-3710 1005-805-3711 1005-805-3744 1005-805-3745 1005-805-3754 1005-805-3939 1005-805-4048 1005-805-4066 1005-805-4195 1005-805-4201 1005-805-4218 1005-805-4244 1005-805-4246 1005-805-4257 1005-805-4259 1005-805-4284 1005-8054290 1005-805-4291 1005-805-4306 1005-809-0721 1005-913-2602 1005-939-7170 1095-726-5706 5305-021-0114

5305-021-0143 5305-021-0411 5305-930-5729 5306-020-9913 5310-017-8687 5315-017-8672 5315-017-8673

F’igure No.

B-2 B-2 B-l B-l B-2 B-4 B-2 B-4 B-2 B-3 B-3 B-3 B-3 B-3 B-2 B-4 B-4 B-4 B-4 B-4 B-2 B-3 B-3 B-3 B-3 B-2 B-2 B-2 B-3 B-2 B-3 B-3 B-4 B-2 B-2 B-3 B-3 B-3 B-3 B-4 B-2 B-l B-2 B-l B-2 B-2 B-3 B-2 B-2 B-2 B-3 B-2

Item No.

6 7 1 4 13 9 8 4 26 4 6 6 7 8 24 7 6 2 5 3 20 13 17 10 12 9 27 14 11 25 14 9 1 19 21 2 3 16 18 8 3 3 12 2 17 2 1 11 4

5 15 15

Reference No.

8812-G-1390 6146873 6147721 6284554 6301446 6544058 7265706 11686387 11686389 11686400 12002514 12OQ8102 12009112 120014102 120015102 120016102 120016212 120017102 120018102 120019102 120020102 120021102 120022102 120024102 120025102 120026102 120027102 120028102 120030102 120032102 120033102 120034102 120037102 120041028 120041270 120044102 120050102 120053102 120054102 120057102 120059102 120061102 120062102 120066102

120067102

120012102-A 120029102-AC 120013102-D 120031102-NS 120049102-NS 120055102-NS 120063102-NS

Mfo Code

66118 19205 19205 19205 19204 19204 19205 19204 19205 19204 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118 66118

Pig. No.

B-2 B-2 B-2 B-2 B-l B-l B-l B-2 B-2 B-l B-2 B-4 B-2 B-2 B-2 B-4 B-2 B-3 B-3 B-3 B-3 B-3 B-2 B-4 B-4 B-4 B-4 B-4 B-3 B-3 B-3 B-2 B-2 B-2 B-3 B-2 B-3 B-4 B-2 B-3 B-3 B-3 B-3 B-2 B-3 B-4 B-2 B-2 B-3 B-3 B-2 B-3

Item No.

3 6 7 11 1 4 2 13 12 3 17 8 2 4 5 4 26 4 5 6 7 8 24 7 6 2 5 3 13 10 12 9 27 14 11 25 9 1 19 2 3 16 1 15

15 9 20 8 17 14 21 18

55

APPENDIX C

MAINTENANCE ALLOCATION CHART

Section I. INTRODUCTION

C-l. General

The maintenance allocation chart indicates specific maintenance operations performed at the proper maintenance levels. Deviation from maintenance operations allocated in the chart is authorized only upon approval of the commanding officer.

C-2. Maintenance Functions

This maintenance allocation chart designates overall responsibility for the maintenance function of an end item or assembly. Mainte- nance functions will be limited to and defined as follows :

INSPECT

TEST

SERVICE

ADJUST

ALIGN

CALIBRATE

INSTALL

To determine serviceability of an item by comparing its physical and mechanical, and electrical characteristics with established standards.

To verify serviceability and to detect electrical or mechanical failure by use of test equipment.

To clean, preserve, to charge, and to add fuel, lubricant, cooling agents and air.

To rectify to the extent necessary to bring into proper operating range.

To adjust specified variable elements of an item to bring to optimum performance.

To determine the corrections to be made in the reading of instruments or test equipment used in precise mea- surement. Consists of the comparison of two instruments, one of which is a certified standard of known accuracy, to detect and adjust any discre- pancy in the accuracy of the instrument being compared with the certified standard.

To set up for use in an operational environment such as an emplacement, site, or vehicle.

REPLACE

REPAIR

OVERHAUL

REBUILD

To replace unserviceable items with serviceable assemblies, subassemblies, or parts.

To restore an item to serviceable condition. This includes but is not limited to inspection, cleaning, presecving, adjusting, replacing, welding, rivet- ing, and strengthening.

To restore an -item to a completely serviceable condition, as prescribed by maintenance serviceability standards, using the Inspect and Repair Only as Necessary (IROAN) Technique.

To restore an item to a standard as nearly as possible to original or new condition in appearance, performance and life expectancy. This is accomplished through complete disassembly of the item, inspection of all parts or components, repair or replacement of worn or unserviceable elements (items) using original manufacturing tolerances and specifications ; and subsequent reassembly of the item.

C-3. Explanation of Format

Purpose and use of the format are as follows:

a. Column a, Group Number. Lists group numbers, to identify components and assemblies.

b. Column b, Component Assembly Nomencla- twe. Lists the noun names of groups and assemblies on which maintenance is authorized.

c. Column c, Maintenance Functions. Lists the various categories of maintenance to be performed on the weapon.

d. Use of Codes. Explanation codes in maintenance function, as follows :

of the use of column c, is

AGO 20027A

Code

C 0 F H D

ErjJaccatiw

Operator/Crew Organizational Maintenance Direct Support Maintenance General Support Maintenance Depot Maintenance

column will be used to specify those tools and test equipment required to perform the des- ignated function.

f. Column e, Remarks. Self-explanatory.

Note. Columns not utilized are considered not ap- e. Column d, Tools and Equipment. This plicable.

Section II. MAINTENANCE ASSIGNMENT

Component assembly nomenclature

I,

1 2

2a

2b

3

4

5

6

GUN SHOULDER STOCK GROUP_

BARREL AND BAYONET BAND ASSEMBLY

BARREL ASSEMBLY

BAYONET BAND ASSEMBLY

TRIGGER GUARD GROUP

FORE END GROUP

BREECH BOLT GROUP ~. RECEIVER AND MAGAZINE

GROUP

T -

‘: 4 d -

C

C

C

C

C

C

C

C

-

-

2 t- -

-

-

8 ‘5

f -

C C

C C C C C C

-

-

E ‘S 4

-

-

-

8 * 5 J -

F

0

-

-

.5 0

a F 0

0 0 F F

F

F

-

‘1 -

3 e & 3 -

-

-

2 2 P -

-

T Remarks

AGO 2002'7A 57

By Order of the Secretary of the Army :

Official : KENNETH G. WICKHAM, Major General, United States Army, The Adjutant General.

WILLIAM C. WESTMORELAND, General, United States Army, Chief of Stag.

Distribution :

To be distributed in accordance with DA Form 12-40 requirements (qty rqr Block #147) for October and Crew, Shotgun, 12-guage, Winchester, Model 1200, riot type, 20-inch barrel.

* U.S. GOMRFMENT PRINTING OFFICE: 1965-461-421/21336

tm 9-1005-303-14 winchester 1200 military shotgun

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