TM-9-2520-270-34

HYDROMECHANICAL CROSSDRIVE, TRANSMISSION HMPT 500 AND TRANSMISSlON CONTAINER ASSEMBLY

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE

NOVEMBER 1984

TM-9-2520-270-34 - Page 521 of 933

TM 9-2520-270-34

REPAIR RIGHT-HAND SINGLE DISK BRAKE

DESCRIPTIO N

This task covers: Disassemble (page 4-202). Assemble (page 4-205).

INITIAL SETUP

Tools:

Materials/Parts:

General mechanic’s tool kit:

Transmission oil — (Item 12, App B)

automotive — (Item 33, App C)

Disk brake parts kit

Inside/outside indicator caliper —

(Item 41, App C)

Micrometer caliper set —

Personnel Required:

(Item 52, App C)

Socket wrench attachment —

Track Veh Rep 63H10

(Item 81, App C)

Socket wrench set - (Item 89, App C)

Equipment Conditions:

Telescoping gage set —

(item 93, App C)

Torque wrench (Item 99, App C)

Right-hand single disk brake on workbench.

See page 4-197.

CAUTION

Shaft collar is installed under spring tension.

Do not lose parts when removing piston

retaining pin.

1. REMOVE SPRING (1).

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

press shaft collar (2) and spring (1).

b. Remove pin (3) from brake piston

rod (4).

c. Slowly release pressure on spring (1).

Remove collar (2) and spring.

2. REMOVE PISTON ASSEMBLY (5)

WITH ROD (4).

4-202

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