TM 9-2320-272-24-1
2-14. CLEANING (Contd)
Compressed air source will not exceed 30 psi (207 kPa). When
cleaning with compressed air, eyeshields must be worn. Failure to
do so may result in injury to personnel.
(3) Use compressed air to blow out all tapped screw holes and to dry castings after cleaning.
e . External Engine Cleaning. All electrical equipment and other parts that could be damaged by
steam-cleaning or moisture must be removed and all openings must be covered before cleaning. Dry with
compressed air.
f. 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.
(1) Clean passages with wire probes to break up any sludge or gum deposits.
(2) Wash passages by flushing with solvent (TM 9-247).
Compressed air source will not exceed 30 psi (207 kPa). When
cleaning with compressed air, eyeshields must be worn. Failure
to do so may result in injury to personnel.
(3) Dry passages with compressed air.
g. Seals, Electrical Cables, and Flexible Hoses. Clean with soap and water.
h. Bearings.
(1) Bearings require special cleaning. After removing surface oil and gum deposits, wipe bearings
dry; do not use compressed air. After cleaning, coat bearings with oil, wrap, and hold for inspection.
(2) Refer to TM 9-214 for more information on care of bearings.
WARNING
Drycleaning solvent is flammable and will not be used near open
flame. Use only in well-ventilated places and keep fire
extinguisher nearby. Failure to do so may result in injury to
personnel.
Compressed air source will not exceed 30 psi (207 kPa). When
cleaning with compressed air, eyeshields must be worn. Failure
to do so may result in injury to personnel.
i . Machined Tooled Parts. Clean with drycleaning solvent and dry with compressed air.
j. Machined Surfaces. Clean with drycleaning solvent and dry with lint-free cloth.
WARNING
Eyeshields must be worn when cleaning with a wire brush. Flying
rust and metal particles may cause injury to personnel using a
wire brush.
Mated Surfaces. Remove old gasket and/or sealing compound using wire brush and drycleaning
k.
solvent.
NOTE
All parts subject to rusting must be lightly oiled and wrapped
before being stored.
Rusted Surfaces. Clean all rusted surfaces using wire brush and crocus cloth.
l.
Oil-bathed Internal Parts. Wipe clean with lint-free cloth.
m.
Air-actuated Internal Parts. Wipe clean with lint-free cloth.
n.
External Exposed Parts. Wash with soap and water. Rinse thoroughly and air-dry.
o.
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