Fuel Injection Pump (cont). - TM-10-3930-638-24-P0587

TM 10-3930-638-24&P

3-6. FUEL SYSTEM MAINTENANCE (cont)

c. Fuel Injection Pump (cont).

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

excessive 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 immediately, and obtain medical aid immediately.

Wipe using cloth moistened with cleaning

Clean

Exterior of injection

solvent P-D-680

pump (3)

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.

All other parts

Use cleaning solvent P-D-680. Dry

Clean

thoroughly with moisture free

compressed air

INSPECTION

Drive shaft (15)

Inspect

Replace if bent, pitted, distorted or exces-

sively worn

Drive gear (14)

Inspect

Replace if damaged or distorted, or if

gear teeth missing, broken, pitted or

excessively worn

Nuts (1, 7, and 12),

Inspect

Replace if worn, or if threads damaged

washers (2 and 13) and

cap screws (6)

Spring (11)

Inspect

Install in spring tester. Check that force

to compress spring to 0.95 inch is 6

pounds, 4 ounces, and that free length is

1.22 inches. Replace spring if above

specifications are not met, or if coils

distorted or broken

3-81