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 238 of 933

TM 9-2520-270-34

REPLACE STANDARD AND OVERSIZE INSERTS

DESCRIPTIO N

This subtask covers: Remove (page 2-172). Install (page 2-173).

1. COUNTERBORE INSERT (1).

a.

Using portable electric drill, indicator

caliper, and removal tool (2), drill

out top of insert (1) to existing

counterbore depth (3). See task for

proper removal tool.

WARNING

Compressed air can injure

you and others. Do not aim air

at soldiers. Do not use more

pressure than 30 psi (207 kPa).

Always wear goggles.

3. CLEAN HOUSING THREADS (5).

a.

b.

c.

Lubricate thread cutting tap (6) with

transmission oil.

Using tap wrench and thread cutting

tap (6), clean housing threads (5).

Slowly turn tap in and out of housing

threads. See task for proper tap.

Using compressed air, blow dirt and

any loose metal chips out of housing

threads (5).

2. REMOVE INSERT (1).

a.

b.

Insert drive wrench (4) into insert (1).

See task for proper drive wrench.

Using ratchet handle and drive wrench,

unscrew insert (1).

4.

5.

INSPECT HOUSING THREADS (5) FOR

WEAR OR STRIPPING.

F HOUSING THREADS (5) ARE

DAMAGED, INSTALL OVERSIZE

INSERT (see task for proper insert).

GO TO STEP 6. IF HOUSING

THREADS (5) ARE NOT DAMAGED,

INSTALL STANDARD INSERT (see

task for proper insert). GO TO STEP 13.

2-172