REPAIR SECOND RANGE SINGLE DISK BRAKES

TM 9-2520-270-34

REPAIR SECOND RANGE SINGLE DISK BRAKES

DESCRIPTION

This task covers: Disassemble (page 4-441). Assemble (page 4-443).

INITIAL SETUP

Materials/Parts:

Tools:

Transmission oil -- (Item 12, App B)

General mechanic's tool kit

Disk brake parts kit

automotive -- (Item 33, App C)

Micrometer caliper set --

(Item 52, App C)

Personnel Required:

Socket wrench attachment --

(Item 81, App C)

Track Veh Rep 63H10

Socket wrench set -- (Item 89, App C)

Telescoping gage set --

Equipment Conditions:

(Item 93, App C)

Second range single disk brakes on

Torque wrench -- (Item 99, App C)

workbench. See page 4-432.

DISASSEMBLE

CAUTION

1. REMOVE PLUG (1) FROM EACH

Shaft collar is installed under spring pressure.

S E C O N D RANGE SINGLE DISK

Do not lose parts when removing pin.

BRAKE (2).

2. REMOVE SPRING (4).

Using 3/8-inch drive ratchet handle and

a. Using 9/16-inch open end wrench,

3/16-inch socket wrench attachment,

press shaft collar (5) and spring (4).

unscrew plug (1).

b. Remove pin (6) from brake piston

Remove and discard preformed

rod (7).

packing (3).

c . Slowly release pressure on spring (4)

Repeat steps 1a and 1b for remaining

Remove collar (5) and spring.

plug (1).

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Change 1

4-441