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 822 of 933

TM 9-2520-270-34

CAUTION

Use care when removing retaining ring. Pieces

may fall into transmission during removal.

Damage to equipment can occur.

18.

19.

19.1

19.2

REMOVE SPUR GEAR (1),

a. Using screwdriver, remove two-piece

retaining ring (2). Discard ring.

b. Remove thrust washer bearing (3),

gear (1), and second bearing (3).

INSPECT MAKEUP PUMP

SHOULDERED SHAFT (4).

a. Inspect shaft (4) for damage.

See page 2-5.

b. If shaft (4) is damaged, go to

step 19.1. If not, go to step 20.

REPLACE TRANSMISSION (5).

RECORD FAILURE ON DA FORM 2407

AND RETURN REASSEMBLED DEFEC-

TIVE TRANSMISSION TO DEPOT.

EFFORT IS COMPLETE. GO TO

END OF TASK.

20. INSPECT ROLLER BEARING (6)

IN GEAR (1).

a. Inspect bearing (6) for damage.

See TM 9-214.

b. If bearing (6) is damaged, go to

step 21. If not, go to step 23.

21. REMOVE BEARING (6)

a. Using arbor press and bearing

installer, press out and discard

bearing (6).

22. CHECK GEAR (1).

a. Using telescoping gage set and

micrometer caliper set, measure inside

diameter of gear (1). Replace gear

if measurement is greater than

1.001 inches (25.43 mm).

4-486

Change 2