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 726 of 933

TM 9-2520-270-34

19. CHECK ACTUATOR PISTON

ASSEMBLY (1) AND ACTUATOR

PISTON (2).

a.

b.

c.

Move tang (3) back and forth by

pressing piston (1) into housing (4)

with finger and releasing.

If tang (3) moves freely and pistons (1)

and (2) move smoothly back and forth,

go to step 20.

If tang (3) does not return smoothly

to center position with pistons (1)

and (2) resting against tang, go to

step 37.

21. INSPECT PINTLE ASSEMBLY (6).

a. If pintle assembly (6) and pin (7) are

not damaged and plugs (8) are

installed, go to step 22.

b. If pintle assembly (6) or pin (7) is

damaged or plugs (8) are missing, go to

step 37.

20. INSPECT PLAIN NUT (5).

a. If nut (5) is tight, go to step 21.

If nut is loose or missing, go to

step 37.

22. REMOVE PRESSURE FLUID FILTER (9).

a. Using 3/8-inch drive ratchet handle and

5/16-inch socket wrench attachment,

remove filter (9).

b. Remove preformed packing (10)

23. INSPECT FILTER (9) AND

FILTER CAVITY (11).

a. If metal chips are found, go to

step 24. If not, discard packing (10)

and go to step 26.

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