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 779 of 933

TM 9-2520-270-34

9.

10.

11.

CHECK TWO PISTON BORES (1).

a. Using micrometer caliper set and

telescoping gage set, measure two

inside diameters of piston bores (1).

b. Replace brake piston housing (2)

if either measurement is greater than

2.122 inches (53.90 mm).

REPEAT STEP 8 FOR REMAINING

BRAKE PISTON HOUSING (2).

CLEAN SECOND RANGE SINGLE

DISK BRAKES.

a. Clean housings (2) and piece parts.

See page 2-2.

INSPECT SECOND RANGE SINGLE

DISK BRAKES.

a. Inspect housings (2) and piece parts.

See page 2-5.

12. INSTALL ONE PLUG (3) IN

EACH HOUSING (2).

a. Coat new preformed packing (4) with

transmission oil.

b. Install packing (4) on plug (3).

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

3/16-inch socket wrench attachment,

install plug (3).

d. Repeat steps 12a through 12c for

remaining plug (3).

13. USING 3/8-lNCH DRIVE TORQUE

WRENCH AND 3/16-lNCH SOCKET

WRENCH ATTACHMENT, TORQUE

PLUGS (3) TO 110-120 in-lb

(127-138 cmkg).

4-443

8.

GO TO NEXT PAGE

ASSEMBLE