(3) Mark all damaged areas for repair or replacement.
c. Metal Lines, Flexible Lines (Hoses) and Fittings.
(1) Inspect lines for sharp kinks, cracks, bends or dents.
(2) Inspect flexible lines for fraying, evidence of leakage or loose fittings or connectors.
(3) Check all fittings and connectors for thread damage. Check for hex heads that are worn or rounded by poorly
(4) Mark all damaged material for repair or replacement.
(1) Inspect all ferrous and nonferrous castings for cracks using a magnifying glass and strong light.
(2) Refer to MIL-I-6866, Inspection, Liquid Penetrant Methods, and MIL-I-6868, Inspection Process, Magnetic
(3) Particularly check areas around studs, pipe plugs, threaded inserts, and sharp corners. Replace all cracked
(4) Inspect machined surfaces for nicks, burrs, or raised metal. Mark damaged areas for repair or replacement.
(5) Inspect all pipe plugs, pipe plug openings, screws, and screw openings for damaged or stripped threads.
(6) Check all gasket mating surfaces, flanges on housings, and supports for warpage with a straightedge or
surface plate. Inspect mating flanges for discolorations that may indicate persistent oil leakage.
(7) Check all castings for conformance to applicable repair standards.
e. Bearings. Refer to TM9-214 for inspection of bearings. Check all bearings for conformance to applicable repair
f. Studs. Bolts and Screws. Replace if threads are damaged, bent, loose or stretched.
When gear teeth wear limits are not established, good judgment is required to determine if gear
replacement is necessary.
(1) Inspect all gears for cracks using a magnifying glass and strong light. No cracks are permissible.
(2) Inspect gear teeth for wear, sharp fins, burrs, and galled or pitted surfaces.