TM 5-3805-292-23
0172
CLEANING INSTRUCTIONS CONTINUED
(1) Clean all parts before inspection, after repair, and before assembly.
(2) To prevent contamination, hands should be kept free of any accumulation of grease, which can collect
dust, dirt, and grit.
(3) After cleaning, all parts should be covered or wrapped to protect them from dust and dirt. Parts that are
subject to rust should be lightly oiled.
2. External Engine Cleaning.
a. Protect all electrical equipment that could be damaged by steam or moisture before steam cleaning.
b. Cover all openings before steam cleaning.
c.
After cleaning, dry and apply a light coat of oil to all parts subject to rust.
d. Clear out all tapped (threaded) holes with compressed air to remove dirt and cleaning fluid.
3. Cleaning Disassembled Parts.
a. Place all disassembled parts in wire baskets for cleaning.
b. Dry and cover all cleaned parts.
c.
Place parts on or in "racks" and hold for inspection or repair.
d. All parts subject to rusting must be lightly oiled and wrapped.
e. Keep all related parts and components together. Do not mix parts.
4. Castings.
a. Clean inner and outer surfaces of castings and all areas subject to grease and oil with solvent cleaning
compound.
b. Use a stiff brush to remove sludge and gum deposits.
c.
Clear out all tapped (threaded) holes with compressed air to remove dirt and cleaning solvent.
5. Oil Passages. Particular attention must be given to all oil passages in castings and machined parts. Oil
passages must be clean and free of any obstructions.
a. Clean passages with wire probes to break up any sludge or gum deposits.
b. Wash passages by flushing with solvent cleaning compound.
c.
Dry passages with compressed air.
6. Oil Seals and Flexible Hoses.
C AU T I O N
Washing flexible hoses and oil seals with solvent cleaning compound or mineral spirits will
cause serious damage or destroy the material.
a. Wash flexible hoses with a mild solution of detergent and water and wipe dry.
b. Oil seals are generally damaged during removal; cleaning will not be necessary since new seals will be
used in assembly.
7. Bearings. Refer to TM 9-214, Inspection, Care, and Maintenance of Antifriction Bearings, for complete
instructions.
0172-4
