TM 5-2420-231-23-3
0369
CLEANING INSTRUCTIONS CONTINUED
10. Rusted Surfaces. Clean all rusted surfaces using wire brush and crocus cloth.
11. Oil-Bathed Internal Parts. Wipe oil-bathed internal parts clean with a lint-free cloth.
12. Externally Exposed Parts. Wash externally exposed parts with detergent and water. Rinse thoroughly and
air dry.
13. Cleaning Hoses, Tubes, and Fittings.
a. Clean exterior surfaces of parts thoroughly.
b. Clean interior surfaces of parts.
c.
Install caps or plugs in ends of each hose, tube, or fitting as soon as parts are dry to prevent entry of
airborne contaminants.
d. Do not remove caps or plugs from hoses, tubes, or fittings until component is positioned on machine and
ready to be connected.
14. Cleaning Glass and Mirrors.
a. Clean interior and exterior surface of glass with detergent and water. Rinse thoroughly and dry with lint-
free cloth.
b. Clean all mirrors with detergent and water. Rinse thoroughly and dry with lint-free cloth.
END OF TASK
INSPECTION INSTRUCTIONS
0369
1. General. All components and parts must be carefully checked to determine if they are serviceable for reuse, if
they can be repaired, or if they must be scrapped.
2. Drilled and Tapped (Threaded) Holes.
a. Inspect for wear, distortion (stretching), cracks, or any other damage in or around holes.
b. Inspect threaded areas for wear, distortion, or evidence of cross-threading.
c.
Mark all damaged areas for repair or replacement.
3. Metal Lines, Flexible Lines (Hoses), and Fittings.
a. Inspect lines for sharp kinks, cracks, bends, or dents.
b. Inspect flexible lines for fraying, evidence of leakage, or loose fittings or connectors.
c.
Check all fittings and connectors for thread damage. Check for hex heads that are worn or rounded by
poorly fitting wrenches.
d. Mark all damaged material for repair or replacement.
4. Castings.
a. Inspect all ferrous and nonferrous castings for cracks. Particularly check areas around studs, pipe plugs,
threaded inserts, and sharp corners. Replace all cracked castings.
b. Inspect machined surfaces for nicks, burrs, or raised metal. Mark damaged areas for repair or replace-
ment.
c.
Inspect all pipe plugs, pipe plug openings, screws, and screw openings for damaged or stripped threads.
d. Check all gasket mating surfaces, flanges on housings, and supports for warpage with a straightedge or
surface plate. Inspect mating flanges for discoloration that may indicate persistent oil leakage.
5. Bearings. Refer to TM 9-214, Inspection, Care, and Maintenance of Antifriction Bearings, for inspection of
bearings. Damaged bearings must be replaced.
6. Studs, Bolts, and Screws. Replace if threads are damaged, bent, loose, or stretched.
0369-4
