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 290 of 933

TM 9-2520-270-34

REPAIR CONTROLLER ASSEMBLY ENCASED SEALS

DESCRIPTIO N

The controller assembly has five shaft plain encased seals. This task is shown for one seal. It can be

used for all five seals. This task covers: Disassemble (page 3-44). Assemble (page 3-45).

INITIAL SETUP

Tools:

General mechanic’s tool kit:

automotive — (Item 33, App C)

Retaining-ring pliers – (Item 60, App C)

Shaft-seal driver – (Item 68, App C)

Materials/Parts:

Cleaning solvent–(Item 1, App B)

Transmission oil–(Item 12, App B)

Wiping rag–(Item 13, App B)

Materials/Parts: (cont)

Plain encased seal (5)

Retaining ring (5)

Personnel Required:

Track Veh Rep 63H10

Equipment Conditions:

Transmission mounted

See page 2-144.

on tip-over stand.

WARNING

Solvent fumes can burn and

could poison you. Read warn-

ing in the front of this

manual.

CAUTION

Loose dirt on and around shaft can fall into

transmission when encased seal is removed.

Dirt inside transmission will cause damage.

1. CLEAN AREA AROUND SHAFT(S) (1).

a. Use wiping rag dampened with

cleaning solvent.

2. REMOVE WASHER (2).

a. Using retaining-ring pliers, remove

and discard retaining ring (3).

b. Take off washer (2).

3-44

Change 2