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 365 of 933

REPLACE PRESSURE RELIEF VALVE

This task covers: Remove (page 4-65). Install (page 4-66).

Tools:

Personnel Required:

General mechanic’s tool kit:

Track Veh Rep 63H10

automotive

-

(Item 33, AppC)

Inside/outside indicator caliper —

Equipment Conditions:

(Item 41, App C)

Socket wrench adapter – (Item 77, App C)

Transmission mounted on tip-over stand.

Socket wrench set – (Item 87, App C)

See page 2-144.

Torque wrench – (Item 101, App C)

Materials/Parts:

Gasket

1.

Plug is under spring pressure. Slowly remove

plug to prevent loss or damage to parts.

REMOVE PRESSURE RELIEF

VALVE (1).

a.

b.

c.

Using 1-inch drive socket wrench

handle and 1 3/4-inch socket, remove

plug (2) and gasket (3). Discard gasket.

Remove spring (4).

Take out relief valve (1).

GO TO NEXT PAGE

Change 1

TM 9-2520-270-34

CAUTION

4-65