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 863 of 933

TM 9-2520-270-34

REPAIR SECOND RANGE RELAY VALVE ASSEMBLY

This task covers: Disassemble (page 4-521 ). Assemble (page 4-523).

INITIAL SETUP

Tools:

Materials/Parts:

General mechanic’s tool kit:

Transmission oil — (Item 12, App B)

automotive — (Item 33, App C)

Preformed packing

Inside/outside indicator caliper —

Retaining ring

(Item 41, App C)

Machinist’s vise – (Item 47, App C)

Personnel Required:

Micrometer caliper set —

(Item 52, App C)

Track Veh Rep 63H10

Retaining-ring pliers – (Item 61, App C)

Small hole gage set – (Item 72, App C)

Equipment Conditions:

Socket wrench adapter – (Item 75, App C)

Socket wrench attachment —

(Item 82, App C)

Torque wrench — (Item 100, App C)

Second range relay valve assembly on

workbench. See page 4-514.

DISASSEMBLE

1. PLACE SECOND RANGE RELAY

VALVE ASSEMBLY (1) IN VISE.

2. REMOVE PLUG (2).

a. Using 1/2-inch drive ratchet handle

with adapter and 1/4-inch socket

wrench attachment, remove plug (2)

and preformed packing (3). Discard

packing.

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