SEE INSTALLATION AND SERVICE SHEET ORINSTALLATION LABEL INSIDE OF HOUSING BEFOREINSTALLING, OPERATING OR SERVICING BRAKE.

Model number Rev. Serial number108775203QB DTorque lb-ft Mounting Amps inrush

Volts Hertz Amps holding

Rexnord Corporation, Stearns DivisionMilwaukee, WI 53202 (414) 272-1100

® Spring-Set Disc BrakesP/N 8-078-917-77effective 8/10/04

Parts List for 87,700 Series Brakes (rev. D)Information required when ordering replacement parts:• Give part number of parts or kits needed, brake model number, and brake serial number. The

brake model and serial number may identify special brakes not covered by this parts list.• Description items in CAPITALIZED BOLD ITALICS are recommended spare parts. One set

per 5 brakes in service is recommended.• Enclosures are designated as follows:

O = Standard E = Dust-tight, waterproof (DTWP)• Housing and manual release assembly (Item B) includes manual release kit (Item BA).For installation and service instructions, see Sheet 8-078-927-07. Detailed service instructionsheet is included with each kit.

A

LR 6254

Note:

MODEL NUMBERwill appear on brakenameplate.

REVISION CONTROL(if applicable) andbrake serial number

VerticalMounting

* “X” in brake model number denotes variables in torque rating, enclosure and current. i.e. 1-087-7XX-01

0-6 lb-ft 4-35 lb-ft 1 – standard (AC)1-10 lb-ft 5-50 lb-ft 2 – DTWP (AC)2-15 lb-ft 6-75 lb-ft 5 – standard (DC)3-25 lb-ft 8-105 lb-ft 6 – DTWP (DC)

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

5-66-3176-005-66-3177-00

VERTICAL SPRING KIT (STANDARD)VERTICAL SPRING KIT (BRASS)

J1111111111111111118-005-708-12PRESSURE PLATE5A

Vertical Modification - for stationary disc(s) see Item 3 Table 11111111111111111119-33-0914-00Pipe plug (external lead holes)2P

12

12

12

12

12

12

12

12

12

8-073-002-048-073-002-03

“O” ring gasket (housing-to-endplate)“O” ring gasket (each end of brake)

not shownnot shown

3333333333333333339-46-0005-00Flat washer 1/4 I.D. x 9/16 O.D.142W3333333333333333339-46-0006-00Conical spring washer, 1/4142C3333333333333333339-13-3060-00Machine screw 1/4 - 20 x 7/8” hex head142S11

1111

1111

11

1111

11EndplateEndplateEndplate

2

11

5-16-7210-00-01E5-16-7210-00-01G5-16-7210-00-01H5-16-7211-00-01E5-16-7211-00-01G5-16-7211-00-01H5-16-7212-00-01E5-16-7212-00-01G5-16-7212-00-01H

Hub and set screw assemblyHub and set screw assemblyHub and set screw assemblyHub and set screw assemblyHub and set screw assemblyHub and set screw assemblyHub and set screw assemblyHub and set screw assemblyHub and set screw assembly

16

2211002211002211005-66-8372-00STATIONARY DISC KIT33322113322113322115-66-8483-00FRICTION DISC KIT - SPLINED41111111111111111118-005-708-01PRESSURE PLATE51111111119-33-0325-00Pipe plug (drain)not shown4444444444444444449-45-0334-00Lock washer spring medium 1/215W4444444444444444449-16-3486-00Housing cap screw151111111111111111115-55-7002-00Manual release kitA

11 11 11 11 11 111111115-07-7034-00Housing and manual release assembly7

111111111111

1111119-50-1030-009-50-1230-009-50-1428-00

KeyKeyKey

35K

111111111111

1111118-035-800-008-035-710-008-035-711-00

Brake shaftBrake shaftBrake shaft

35

1111111111111111119-01-0509-00Ball bearing7B

2222222222222222229-03-0133-00Retaining ring (shaft)35R

1111111111111111119-03-0126-00Retaining ring (housing)7R

Part Number ↓↓DescriptionItemEOEOEOEOEOEOEOEOEOEnclosure →→

TABLE 1Components of AC and DC Brake

10550

and75

6thru35

10550

and75

6thru35

10550

and75

6thru35

Torque(lb-ft) →→

1-087-7XX-05*1-5/8” Shaft

1-087-7XX-03*1-3/8” Shaft

1-087-7XX-01*1-1/8” Shaft

Brake ModelNumber →→

8-002-788-228-002-789-228-002-790-22

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

Includingitem 7P

1111111111111111119-33-0114-00Access plug7P

S-XXX-2

11

1

1

1

1

1

1

5-57-5501-005-57-5503-005-57-5711-00

DC switch assemblyDC switch assemblyArc suppression module

X

Y

11

5-96-6816-335-96-6817-33

No. 8 CoilAssembly

11

11

5-96-6616-335-96-6617-33

No. 6 CoilAssembly

11

5-96-6516-005-96-6517-33

No. 5 CoilAssembly

VV

111

15-12-5558-005-12-5568-005-12-5589-00

No. 5 DC solenoid assemblyNo. 6 DC solenoid assemblyNo. 8 DC solenoid assembly

W

DC Brakes

11115-57-5517-00Brake release interlock switchXX**

111111

5-66-6807-335-66-6809-335-66-6801-335-66-6802-335-66-6804-335-66-6805-33

NO. 8COIL KIT

60 HZ

111111

111111

5-66-6607-335-66-6609-335-66-6601-335-66-6602-335-66-6604-335-66-6605-33

NO. 6COIL KIT

60 HZ

111111

5-66-6507-335-66-6509-335-66-6501-335-66-6502-335-66-6504-335-66-6505-33

NO. 5COIL KIT

60 HZ

V

111

18-157-701-008-157-702-008-157-703-00

SOLENOID LINK CAP SCREWSOLENOID LINK CAP SCREWSOLENOID LINK CAP SCREW

13C

11118-013-708-00

8-013-709-00Solenoid linkSolenoid link

13B

111

15-66-5052-005-66-5062-005-66-5081-00

NO. 5 AC SOLENOID KITNO. 6 AC SOLENOID KITNO. 8 AC SOLENOID KIT

U

AC Brakes

11

115-66-3072-00

5-66-3074-005-66-3076-005-66-3078-00

Pressure spring kit – black Pressure spring kit – white Pressure spring kit – orange Pressure spring kit – purple

11

11115-66-7471-00Pressure spring tube kit19 &152

1112

1112

1112

1112

5-17-7005-009-32-3111-009-32-4059-008-138-701-00

Lever arm assemblyPivot pin (lever arm)Pivot pin (spring tube)Bearing (washer type)

17130

152P130B

11222

11222

11222

11222

5-66-7371-008-170-706-009-40-3730-009-15-1031-008-141-707-00

SOLENOID LEVER AND PINION KITRelease plateNut (release plate) 1/4 x 20Cap screw (release plate)Spacer (release plate)

8170

170N170S171

11120

11121

11121

11121

5-26-7006-008-022-203-008-076-703-009-25-7331-008-179-705-00

Support plate and bearing assemblySolenoid lever stopWrap spring stopScrew (wrap spring stop) 10-24 x 1/2Spacer (solenoid)

1262276

76S79P

3575

1052550156

10

115 Vdc230 Vdc

115 Vdc230 Vdc

115 Vdc230 Vdc

Torque (lb-ft)

115/230 Vac230/460 Vac115 Vac230 Vac460 Vac575 Vac

115/230 Vac230/460 Vac115 Vac230 Vac460 Vac575 Vac

115/230 Vac230/460 Vac115 Vac230 Vac460 Vac575 Vac

Part NumberDescriptionItem

Manual release kit (5-55-7002-00)Spring anchor Roll pin Retaining ringRelease spring Bearing Release leverRelease arm “O” ring

A

Arc suppression module (5-57-5711-00)1 – Arc suppression module1 – Cable strap

Y

AC switch assembly (5-57-5504-00 or 5-57-5506-00)(brake release interlock switch – N.O.)1 – AC switch2 – Mounting screws2 – Lock washers

XX

DC switch assembly (5-57-5501-00 or 5-57-5503-00)1 – DC switch2 – Mounting screws2 – Lock washers

X

DC solenoid assembly (5-12-55XX-00)1 – Plunger1 – Frame3 – Solenoid mounting screws3 – Conical spring washers1 – Solenoid link nut1 – Cable clamp and screw

W

Coil assembly (5-96-6XXX-33) DC coils1 – Coil2 – Plunger guides2 – Plunger guide screws

VV

Coil kits (5-66-6XXX-33) AC coils1 – Coil2 – Plunger guides2 – Plunger guide screws

V

AC solenoid kit (5-66-50XX-00)1 – Plunger1 – Frame3 – Solenoid mounting screws3 – Solenoid mounting conical spring washers1 – Solenoid link nut1 – Drive lock pin (for #8 solenoid only) (not shown)1 – Washer (for #8 solenoid only) (not shown)

U

Pressure spring kit (5-66-307X-00)1 – Pressure spring

11

Pressure spring tube kit (5-66-7471-00)1 – Pressure spring tube1 – Pressure spring screw1 – Spring tube pivot pin

19 &152

Solenoid lever and pinion kit (5-66-7371-00)1 – Solenoid lever and pinion assembly1 – Cotter pin1 – Solenoid lever pivot pin1 – Pivot pin retaining ring

8

Vertical above spring and spacer kit (5-66-3171-00)9 – Vertical above mounting springs9 – Vertical above spring spacers

J

Stationary disc kit (5-66-8372-00)1 – Stationary disc

3

Friction disc kit – splined (5-66-8483-00)1 – Friction disc

4

KitDescription

LetterDesig-nation

TABLE 2Components of Support Plate and Coil Assembly

TABLE 3Contents of Kits and Assemblies (contents may vary)

**AC brakes with the brake release interlock (N.O.) switch Item XX use Item W solenoid assemblyfor switch mounting in place of Item U.

6 lb-ft 5-42-7119-00-05

10 lb-ft 5-42-7121-00-05

15 lb-ft 5-42-2123-00-06

25/50 lb-ft 5-42-2125-00-06

35/75/105 lb-ft 5-42-2127-00-08

*Coil not included.

TABLE 4Complete support plate assembly*

Support PlateAssembly

Solenoid and CoilDC Components

VV

Rexnord Industries, Inc.Stearns Division5150 S. International Dr.Cudahy, Wisconsin 53110(414) 272-1100 Fax: (414) 277-4364 www.rexnord.com

Copyright© 2001-2004 by Rexnord Industries, Inc.