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 752 of 933

TM 9-2520-270-34

REPLACE FIRST RANGE RELAY VALVE ASSEMBLY

DESCRIPTION

This task covers: Remove (page 4-418). install (page 4-421).

INITIAL SETUP

Tools:

Crowfoot attachment —

(Item 20, App C)

General mechanic’s tool kit:

automotive — (Item 33, App C)

Machinist’s vise — (Item 47, App C)

Socket wrench adapter —

(Item 75, App C)

Socket wrench attachment —

(Item 80, App C)

Socket wrench attachment —

(Item 82, App C)

Socket wrench set —

(Item 89, App C)

Torque wrench – (Item 99, App C)

Torque wrench – (Item 100, App C)

Wire-twister pliers —

(Item 107, App C)

Materials/Parts:

Cleaning solvent — (Item 1, App B)

Lockwire — (Item 5, App B)

Transmission oil – (Item 12, App B)

Wiping rag – (Item 13, App B)

Internal wrench bolt

Preformed packing (4)

Preformed packing

Socket head cap screw (3)

Gasket

Personnel Required:

Track Veh Rep 63H10

Equipment Conditions:

Transmission mounted on tip-over stand.

See page 2-144.

1.

2.

3.

4.

REMOVE CONTROLLER ASSEMBLY.

See task REPLACE CONTROLLER

ASSEMBLY, page 3-32.

REMOVE LEFT-HAND OUTPUT

HOUSING. See task REPLACE LEFT-

HAND OUTPUT HOUSING, page 4-314.

5.

REMOVE RIGHT-HAND OUTPUT

HOUSING. See task REPLACE RIGHT-

HAND OUTPUT HOUSING, page 4-270.

6.

REMOVE RIGHT-HAND INTERMEDIATE

HOUSING ASSEMBLY. See task REPLACE

RIGHT-HAND INTERMEDIATE HOUSING 7

“

ASSEMBLY, page 4-170.

4-418

Change 3

REMOVE LEFT-HAND INTERMEDIATE

HOUSING ASSEMBLY. See task

REPLACE LEFT-HAND INTERMEDIATE

HOUSING ASSEMBLY, page 4-220.

REMOVE POSITIVE CLUTCH. See task

REPLACE POSITIVE CLUTCH, page 4-356.

DELETED.

REMOVE