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 736 of 933

TM

9-2520-270-34

REPAIR COOLANT AND TIME DELAY VALVE ASSEMBLY

This task covers: Disassemble (page 4-408). Assemble (page 4-411).

Tools:

Crowfoot attachment---(Item 19A, App C)

General mechanic’s tool kit: automotive —

(Item 33, App C)

Inside/outside indicator caliper —

(Item 41, App C)

Machinist’s vise – (Item 47, App C)

Micrometer caliper set — (Item 52, App C)

Socket wrench adapter — (Item 75, App C)

Socket wrench attachment – (Item 80, App C)

Socket wrench attachment – (Item 83, App C)

Socket wrench set – (Item 89, App C)

Telescoping gage set — (Item 93, App C)

Torque wrench — (Item 99, App C)

Torque wrench — (Item 100, App C)

Timing device-capable of measuring

15 seconds

Two types of coolant and time delay valve

assemblies are in use. Portions of these

procedures apply to each valve assembly.

1. PLACE COOLANT AND TIME DELAY

VALVE ASSEMBLY IN VISE.

2. INSPECT VALVE ASSEMBLY AND

DETERMINE TYPE.

a. If valve assembly is type (1), go to

step

3.

b. If valve assembly is type (2), go to

step

3.1.

Materials/Parts:

Transmission oil – (Item 12, App B)

Preformed packing

Preformed packing

Retaining ring

Personnel Required:

Track Veh Rep 63H10

Equipment Conditions:

Coolant and time delay valve assembly on

workbench. See page 4-404.

4-408

Change 3

NOTE

DESCRIPTION

INITIAL SETUP

DISASSEMBLE