Castings, Forgings, and Machined Metal Parts

TM 9-2320-303-24-2

GENERAL MAINTENANCE INSTRUCTIONS - CONTINUED

0306 00

CLEANING INSTRUCTIONS - CONTINUED

Castings, Forgings, and Machined Metal Parts.

Clean inner and outer surfaces with detergent and dry with clean rags.

Remove grease and accumulated deposits with a scrub brush.

Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never exceed 30 psi

(207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use caution to avoid injury to person-

nel.

Clear all threaded holes with compressed air to remove dirt and cleaning fluids.

CAUTION

DO NOT wash oil seals, electrical cables, and flexible hoses with dry cleaning solvent or mineral spirits.

Serious damage or destruction of material will result.

Oil Seals, Electrical Cables, and Flexible Hoses. Wash oil seals, electrical cables, and flexible hoses with a solution of

detergent (Item 18, WP 0312 00) and water, and wipe dry with a clean rag.

Bearings. Clean bearings in accordance with TM 9-214.

PRESERVATION OF PARTS

Unpainted metal parts that will not be installed immediately after cleaning may be covered with a thin coat of lubricat-

ing oil.

PAINTING

On painted areas where paint has been removed, paint in accordance with procedures outlined in TM 43-0139 and TB

43-0209.

For camouflage painting instructions, refer to FM 5-20.

INSPECTION INSTRUCTIONS

NOTE

All damaged areas should be marked for repair or replacement.

All components and parts must be carefully checked to determine if they are serviceable for use, can be repaired or must

be scrapped.

Inspect drilled and tapped (threaded) holes for the following:

Wear, distortion, cracks, and any other damage in or around holes.

Threaded areas for wear distortion (stretching) and evidence of cross-threading.

Inspect metal lines, flexible lines or hoses, and metal fittings and connectors for the following:

Metal lines for sharp kinks, cracks, bad bends, and dents.

Flexible lines or hoses for fraying, evidence of leakage, and loose metal fittings or connectors.

Metal fittings and connectors for thread damage and worn or rounded hex heads.

0306 00-3