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CONTROLS MUS-CHALMERS

RENEWAL PARTS ORDERING GUIDE - . -

TYPES LA-600 and LA-GOOF .

WITH

MANUAL -OR ELECTRICAL .

OPERATORS

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HOW TO USE YOUR RENEWAL PARTS ORDERING GUIDE

Locate the part or parts to be replaced in one of the drawings in this manual

Identify each part by item number, description and part number. Give drawing figure number in which part is shown.

Include breaker type, rating and breaker serial number with your order.

Place order with your Allis-Chalmers representative.

When ordering relays or other electrical parts, include control voltage (see recommended spare parts list for part numbers).

ORDERING EXAMPLE

I Type LA-600 Rated Amps 600 Serial Number H-66679A-4

Mode of Operation: � Electrical D Manual

Renewal Parts Ordering Guide -=-18::..:X:..::4..::.5:::.:5:::.:$=-----------'----------Fig Item

1 5 3 44 2 11

Description

Support Arc Runner Pawl

Part Number

71-141-916-001 71-141-983-001 72-140-062-002

If required part is not identified in this manual -----

Quantity

1 2 1

1. Make a copy of the drawing figure in which the part would appear.

( ( _ _ -; 2. Indicate with arrow-s or other markings location of part.

( __

3. Describe or sketch required part.

4. Include breaker type, rating and breaker serial number with your order.

5. Place order with your Allis-Chalmers representative.

TABLE OF CONTENTS

Drawing No. Figure Page

Air Circuit Breaker Operator Mechanism Panel Assembly

Type Application

LA-600 600 AMP LA-600 600 AMP LA-600 600 AMP LA-600 600 AMP LA-600 600 AMP LA-600 600 AMP

18-384-441-602 18-465-970-501 18-657-346-522

USAGE CODE TABLE

Top Level Operator Assembly

Manual 18-384-441-601 Electrical 18-384-441-602 Electrical/Manual 18-384-441-603 Manual-Fused 18-384-441-611 Electrical-Fused 18-384-441-612 Electrical/Manual Fused 18-384-441-613

1 2 3

Usage Code*

A B c D E F

* If no usage code appears in the "USAGE" column of the following parts lists, the part is used on all assemblies listed in the figure title. www .

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DETAIL A

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6 3 11

14

Figure 1 • Air Circuit Breaker (18-384-441-602)

2

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ITEM

1 2 3 4 5 6 6 6 6 6 6 7 8 9

10 11 12 13 14 15

16 17

18 19 20 21 22 ?� _.,. 24 25

DESCRIPTION

Contact Finger Assembly Barrier Strap Washer Support Cover Assembly Cover Assembly Cover Assembly Cover Assembly Cover Assembly Cover Assembly Barrier Barrier Decal Belt Assembly Arc Chute Assembly Screw Operator Mechanism Static Trip Tripping Current

Transformers Base Assembly .. Manual Handle Assembly (Includes items 17 tbru 23) Cam Assembly Handle Assembly Pin Retaining Ring Set Screw Spring Contact Finger Racking Screw Assembly

PART NUMBER

71-240-055-509 71-142-008-001 71-141-841-001 71-141-915-001 71-141-916-001 18-657-346-523 18-657-346 -579 18-657-359 -558 18-657-346-581 18-657-349-551 18-657-364-568 71-141-838-001 71-141-838-002 71-141-867-001 72-140-031-501 18-657-346-524 00-615-203-216 See Fig. 2 & 3 * **

72-240-028-501

18-657-340-515*** 18-657-346-516*** 71-240-127-016*** 00-673-165�037*** 00-617-031-413*** 71-111-761-001*** 71-142-169-001 18-657-426-880

USAGE

A B c D E F

* When ordering replacement, give nameplate data, type, time band if applicable (e. g. "MAX", "!NT", or "MIN" as indicated by white dot or "X") ..

** When ordering trip current transformers, give part number shown on tag, on original current transformer or breaker trip rating.

*** NOTE: Manual handle is not standard on electrically operated

breakers. Total assembly if replaced is Part No. 74-142-152-503.

Fig ure 1. Air Circuit Breaker (18-384-441-602)

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DETAIL C 37

9

DETAIL 8

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35

DETAIL D

27

31

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MANUAL OPERATOR

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19 18

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ITEM DESCRIPTION PART NUMBER

1 2 3 4 5 6 7 8 9

1 0 11 12 13

14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 C)(\ o.JV

31 32

33 34 35 36 37 38

Spring Release Latch Channel Spring Pin Roller Bearing Pin Trip Shaft Assembly Gear Segment Spring Spring Pawl Cam Toggle Linkage Assembly (Includes items 14 thru 16) Roller Link Spacer Spacer Spring Spring Trip Shaft Trip Latch Spring Assembly Bumper Nut Clevis Racking Screw Pin

,-

Link Link Assembly c . ..,prmg Spring Gear Train Assembly (Includes items 33 thru 38) Gear Assembly Arm Ass·embly Link Bearing Pin Spring

71-142-409-002 71-142-407-001 71-142-406-001 71-240-127-017 00-813-109-037 71-141-823-001 18-657-345-579 71-141-777-001 71-141-836-001 71-141-266-001 72-140-062-002 71-141-782-001 18-657-345-581

71-141-789-003 7 1-141- 791-001 71-141-828-006 .

71- 141-828-001 71-141-833-001 71-141-833-002 72-240-007-001 7 1-141-793-001 18-657-345-580 71-141-776-001 71-142-155-001 72-140-015-401 72-140-039-501 71-141-827-001 71-141-790-002 18-657-359-552 18-657-346-578 71-141-813-001 18-657-346-577

71-141-860-501 71-141-97 7-501 71-141- 851-001 71-141-864-001 71-141-865-001 00-837-321-027

Figure 2. Operator Mechanism (18-465-970-501)

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DETAIL C 2� 26 25

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29 DETAIL 8 37 30 31 37 36 33 35 32

43 42 39

23 21 DETAIL 8 ·

41 . 40 38

DETAILC

48. 49 44

:l6 23 DETAIL D

Del AiL A

18,19, 20 .3

10,16

Figure 3. Panel Assembly (18-657-346-522)

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DESCRIPTION PART NUMBER ITEM DESCRIPTION PART NUMBER

Conn & Clevis Ass'y. 18-657-346-521 23 Spacer 71-141-822-002 (Includes items 21 24 Spacer 71-141-822-003 thru 26) 25 Pin 71-141-823-001 Conn. Ass'y. 18-657-346-520 26 Retainer Ring 00-673-165-037 Pan 71-240-525-001 27 Arcing Contact Ass'y. 71-141-803-501 Contact 71-141-768-001 28 Main Contact Ass'y. 71-141-805-501 Spring 71-141-930-001 29 Clevis 71-240-542-001 Bar 71-141-832-001 30 Spring 71-141-799-001 Spring 71-141-976-001 31 Spring Guide 71-141-975-001 Contact Finger Ass'y. 71-141-973-501 32 Spacer 71-141-822-003 Base 71-440-117-001 33 Pin 71-141-921-001 Screw 00-615-114-375 34 Screw 00-615-1 14-386 Screw 00-611-315-422 35 Spacer 71-142-182-001 Screw Q0-611-315-468 36 Elastic Stop Nut 00-633-025-116 Jam Nut 00-631-171-106 37 Washer 00-651-007-909 Washer 00-651 -007-214 38 Connector 71-141-786-001 Lockwasher 00-655-017-032 39 Support Ass'y. 71-142-172-501 Lockwasher 00-655-067-140 40 Screw 00-611-289-373 Lockwasher 00-655-017-030 41 Washer 00-655-017-026 Lockwasher : 00-655-017-026 42 Support 71-141-794-001 Screw 00-615-114-380 43 Pem Fastener 00-673-115-422 Washer 00-651-007-146 44 Arc Runner 71-141-983-001 Clevis Ass'y. 18-657-346-517 45 Connector Ass'y. 71-141-769-502 (Includes items 27 46 Screw oo·-615-124-218 thru 37) 47 Washer 00-655-017-022 Connector Ass'y. 18-657-346-518 48 Connector 71-141-771-001 (Includes items 38 49 Contact 71-141-772-003 thru 43)

Figure 3. Panel Assembly (18-657-346:_522)

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