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 522 of 933

TM 9-2520-270-34

3. REMOVE PISTON ASSEMBLY (1)

FROM ROD (2)

a. Remove retaining ring (3) from

groove (4) in piston assembly (1).

Discard retaining ring.

b. Remove and discard piston

assembly (1).

5. CHECK ROD (2).

a. Using micrometer caliper set, meas-

ure diameter of rod (2) in two places.

b. Replace rod (2) if either measurement

is less than 0.418 inch (10.62 mm).

c. Replace rod (2) if scored.

6. REPEAT STEPS 1 THROUGH 5

FOR REMAINING THREE PISTON

ASSEMBLIES.

4. REMOVE AND DISCARD PACKING

RETAINER (5) AND PREFORMED

PACKING (6) FROM ROD (2).

7. REMOVE FIVE MACHINE THREAD

PLUGS (7).

a. Using 3/8-inch drive ratchet handle

and 3/16-inch socket wrench attach-

ment, unscrew five plugs (7).

b. Remove and discard five preformed

packings (8).

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