Oil Seals, Electrical Cables, and Flexible Hoses.

TM5-241O-237-34

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 solvents. Refer to TM9-247.

(3) Dry passages with compressed air.

f. Oil Seals, Electrical Cables, and Flexible Hoses.

CAUTION

Washing oil seals, electrical cables and flexible hoses

with dry cleaning solvents or mineral spirits will

cause serious damage or destroy the material.

(1) Wash electrical cables and flexible hose with water and mild soap

solution and wipe dry.

(2) Oil seals are generally damaged during removal, so cleaning will not be

necessary since new seals will be used in assembly.

Bearings.

(1) Bearings require special cleaning. After removing surface oil and gum

deposits, place bearings in hot oil (140F (60C) to loosen congealed

)

oil and grease. Wipe bearings dry. Do not use compressed air. After

cleaning, coat bearings with oil, wrap in paper, and hold for inspection.

(2) Refer to TM9-214 for information and care of bearings.

Machine Tooled Parts.

(1) Clean machine tooled parts with dry cleaning solvent (P-D-680).

(2) Dry parts with compressed air.

Machined Surfaces.

(1) Clean machined surfaces with dry cleaning solvent (P-D-680).

(2) Dry surfaces with compressed air.

Mated Surfaces.

(1) Remove old gasket and/or sealing compound using wire brush and dry

cleaning solvent (P-D-680).

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(2) Lightly oil and wrap all parts subject to rust before storing.

Rusted Surfaces.

Clean all rusted surfaces using wire brush and crocus

cloth.

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