UNPAINTED METAL PARTS

TM 10-3930-623-34

immersed, rotate and agitate slowly until all grease and

5-18. Deleted.

dirt has been removed. Dry bearings with clean, dry

compressed air and lubricate.

CAUTION

Do not spin unlubricated bearings

5-19. Deleted.

with compressed air. Avoid touching

cleaned bearings with bare hands.

5-13. Do not immerse sealed bearings in solvent.

Sealed bearings are factory lubricated and cannot be

relubricated. Wipe sealed bearings clean with a clean,

5-20. Deleted.

dry, lint-free cloth.

UNPAINTED METAL PARTS.

Clean all

5-14.

unpainted mechanical parts made of metal by immersing

in dry cleaning solvent, Federal Specification P-S-661.

5-21. Deleted.

Use a wire brush or scraper to remove caked deposits of

grease and dirt. Blow out drilled passages such as oil

holes in connecting rods, crankshaft, and camshaft with

clean, dry compressed air.

Unless specifically

prohibited, ream drilled passages carefully with a stiff

5-22. Deleted.

wire. Rinse cleaned parts with hot, fresh water and dry

thoroughly.

5-15. ELECTRICAL COMPONENTS. Clean electrical

5-23. Deleted.

terminals and contacts (except ignition components and

starting motor commutator) with a cloth moistened in

alcohol, Military Specification MIL-A-6091 (ASG). If

terminals are corroded, burned, or covered with

insulating material, dress carefully with a wire brush or

5-24. Deleted.

fine cut file until metal is bright. Wipe filings away with

cloth.

NOTE

Do not use solvents, sandpaper,

emery cloth or other materials to

5-25. Deleted.

clean contacts and terminals unless

recommended

the

detailed

instructions

for

the

specific

equipment.

5-16. Clean lamps, lens and reflectors by washing in a

mild soap and water solution. Rinse thoroughly with

clean, fresh water and dry with a clean, lint-free cloth.

5-17. CARBON DEPOSITS. Remove carbon deposits

by applying carbon removal compound, Military

Specification MIL-C-25107, to affected parts. Wipe or

scrape carbon deposits from part after carbon has

softened. Wash part in a mild soap and water solution

and rinse with clean, fresh water. Wipe dry with a clean,

lint-free cloth.

5-2