INSPECTION - TM-9-2520-270-340067

TM 9-2520-270-34

g. THREADED PARTS AND INSERTS.

WARNING

Compressed air can injure

you and others. Do not aim air

at soldiers. Do not use more

pressure than 30 psi (207 kPa).

Always wear goggles.

Blow out insert holes with compressed air.

SHAFTS

AND SPINDLES.

WARNING

Compressed air can injure

you and others. Do not aim air

at soldiers. Do not use more

pressure than 30 psi (207 kPa).

Always wear goggles.

Remove obstructions with compressed air or by probing with soft wire.

INSPECTION

a. GENERAL. Procedures for inspection will be the same for most transmission and container

p a r t s . General inspection procedures are detailed in steps b thru v following. Special

inspection procedures are covered in the task relating to the specific part.

b. CASTINGS, FORGINGS, AND MACHINED SURFACES.

(1) U s e magnetic particle inspection equipment to check ferrous castings for cracks. Use

magnifying glass and a strong light to check nonferrous castings for cracks. Check areas

next to studs, threaded inserts, sharp corners, and fillets.

(2) Inspect machined surfaces for nicks, burrs, and raised metal. Mark damaged areas for repair.

(3) Use straightedge to check all mounting flanges on housings and supports for bends. Inspect

mating flanges for strains, which could indicate oil leakage.

(4) Inspect all plug and tapped openings for damaged or stripped threads.

c. OIL PASSAGES. Inspect all oil passages for obstructions and dirt.

d. BEARINGS. Inspect bearings. See TM 9-214 for inspection procedures for roller bearings,

needle roller bearings, and ball bearings.

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