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 266 of 933

TM 9-2520-270-34

REPLACE MAKEUP PUMP FLUID REGULATING VALVE

This task covers: Remove (page 3-26). Install (page 3-28).

INITIAL SETUP

Tools:

General mechanic’s tool kit:

automotive — (Item 33, App C)

Inside/outside indicator caliper —

(Item 41, App C)

Micrometer caliper set —

(Item 53, App C)

Retaining-ring pliers – (Item 59, App C)

Socket wrench set – (Item 89, App C)

Telescoping gage set – (Item 93, App C)

Torque wrench — (Item 99, App C)

Materials/Parts:

Transmission oil (Item 12, App B)

Lock washer (4)

Gasket

Personnel Required:

Track Veh Rep 63H10

Equipment Conditions:

Transmission mounted on tip-over stand.

See page 2-144.

1. POSITION TRANSMISSION BOTTOM

SIDE UP.

2. REMOVE FLUID REGULATING

VALVE (1).

a. Using 3/8-inch ratchet handle and

7/16-inch socket, loosen four

screws (2) alternately and evenly.

b. Press down on valve (1). Remove

four screws (2) and lock washers (3).

Discard lock washers.

c. Lift off valve (1). Remove and

discard gasket (4).

3-26

Change 1