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 112 of 933

TM 9-2520-270-34

1, REMOVE MAKEUP PUMP FLUID REGULATING VALVE. See

task REPLACE MAKEUP PUMP FLUID REGULATING

VALVE, page 3-26,

2, IS CONTROL VALVE PISTON STUCK IN MAIN

HOUSING?

Corrective action:

1. INSTALL MAKEUP PUMP FLUID

REGULATING VALVE. See task

REPLACE MAKEUP PUMP FLUID

REGULATING VALVE, page 3-26,

2. ASSEMBLE TRANSMISSION. See

task INSPECT TRANSMISSION FOR

CONTAMINATION, page 4-67.

3. RECORD MAKEUP PUMP FLUID

REGULATING VALVE FAILURE ON

DA FORM 2407 AND RETURN

WITH TRANSMISSION TO DEPOT.

NO

1. USING PIN PUNCH, PUSH PILOT VALVE PISTON (1)

INTO HOUSING (2) AND RELEASE.

2. DID PISTON (1) RETURN TO ORIGINAL POSITION?

GO TO NEXT PAGE

2-48

Change

2

page 3-30