Transmission Oil Cooler - TM-10-3930-638-24-P0643

TM 10-3930-638-24&P

3-19. TRANSMISSION MAINTENANCE (cont)

f. Transmission Oil Cooler.

This task covers:

a. Cleaning

b. Inspection and Repair

INITIAL SETUP

EQUIPMENT CONDITION

TOOLS

Condition Description

Paragraph

NSN 3740-00-357-7268

Shop Equipment, Welding

2-38g

Transmission oil cooler removed.

MATERIALS/PARTS

Clean hydraulic oil (refer to

current lubrication order)

Cleaning solvent P-D-680

Clean cloths

STEP

LOCATION

ITEM

ACTION

REMARKS

CLEANING

WARNING

Dry cleaning solvent (P-D-680), used to clean parts is toxic and

flammable. Wear protective goggles and gloves and use only in a

well ventilated area. Avoid contact with skin, eyes, and clothes

and don't breathe vapors. Do not use near open flame or exces-

sive heat and don't smoke when using it. Failure to do so could

cause serious injury. If you become dizzy while using cleaning

solvent, get fresh air immediately, and get medical attention. If

contact with skin or clothes is made, flush with large amounts of

water. If contact with eyes is made, wash eyes with water immed-

iately, and obtain medical aid immediately.

Use cleaning solvent P-D-680

a. Clean exterior

Transmission oil cooler

CAUTION

Don't use flushing compounds in following step.

WARNING

Wear safety glasses when drying parts with compressed air. Failure

to do so could cause serious injury to eyes and possible blindness.

If you hurt your eyes or if a foreign object is blown into your eyes,

seek medical attention immediately.

b. Clean interior by back flushing with clean hydraulic oil

and compressed air until all foreign material removed;

then steam clean interior

INSPECTION AND REPAIR

Inspect for broken welds and brazed joints. Repair by welding

Transmission oil cooler

and brazing broken joints. If not feasible to repair, replace

transmission oil cooler

3-137