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 523 of 933

TM 9-2520-270-34

8. REMOVE HOSE TO BOSS

ELBOW (1) IF ATTACHED.

a. Unscrew elbow (1).

b. Remove and discard preformed

packing (2).

10. CHECK PISTON BORES (4).

a.

b.

4-204

Using telescoping gage set and

micrometer caliper set, measure

diameter of four piston bores (4).

If any piston bore (4) diameter is

greater than 2.122 inches (53.90 mm),

go to step 11.1. If not, go to step 11.

Change 2

11.

11.1

12.

INSPECT SPINDLE (5) AND

BRAKE ASSEMBLY (6).

a. Inspect spindle (5) and brake assem-

bly (6) for damage. See page 2-5.

b. If brake assembly (6) is damaged, go

to step 11.1. If not, go to step 12.

REPLACE BRAKE ASSEMBLY (6).

RECORD FAILURE ON DA FORM 2407

AND RETURN DEFECTIVE BRAKE

ASSEMBLY TO DEPOT. GO TO

STEP 13.

CLEAN RIGHT-HAND SINGLE DISK

BRAKE.

a. Clean assembly and hardware. See

page 2-2.

9. CHECK BEARING BORE (3).

a. Using indicator caliper, measure

diameter of bearing bore (3).

b. If diameter of bearing bore (3) is

greater than 4.529 inches (115.04 mm),

go to step 11.1. If not, go to step 10.