TM-9-2815-205-34

ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

AUGUST 1992

TM-9-2815-205-34 - Page 389 of 596

TM 9-2815-205-34

(b)

(c)

(d)

Connect air line to blocking plate (15)

and apply pressure of 75 PSI (517

kPa) to oil cooler.

Submerge oil cooler assembly in a

container of water heated to 180°F

(82°C). Air bubbles in water indicate

leaks. Replace oil cooler if leaks

appear.

Release air pressure on oil cooler

assembly. Remove plate, gasket, and

hose from oil cooler.

Compressed air used for cleaning purposes will not exceed 30 PSI. Use only

with effective chip guarding and personal protective equipment (goggles/shield,

gloves, etc.)

(e) Dry oil cooler with compressed air.

(2) Transmission and differential oil coolers

(a)

(b)

(c)

(d)

(e)

(f)

Plug one hole in transmission oil cooler (9) with 3/4-14 NPT pipe plug (17). Install 3/4-1/4

inch reducer bushing (18) in other hole of oil cooler.

Connect air line to inlet hole in oil

cooler. Pressurize oil cooler to 75 PSI

(517 kPa).

Submerge oil cooler in a container of

water heated to 180°F (82°C). Air

bubbles in the water indicate a leak.

Replace any oil cooler with a leak.

Release pressure on oil cooler

assembly. Remove plug, reducer

bushing, and air hose from oil cooler.

Dry oil cooler with compressed air.

Repeat steps (a) thru (e) for

differential oil cooler (10).

3-259

WARNING