Gears. - TM-10-3930-673-340098

TM 10-3930-673-34

2-14. INSPECTION INSTRUCTIONS (CONT)

g. Gears.

NOTE

When gear teeth wear limits are not established, good judgement 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.

(3)

Check keyway slots for wear or damage.

h. Bushings and Bushing Type Bearings

(1)

Check all bushings and bushing type bearings for secure fit, evidence of overheating, wear, burrs,

nicks, and out-of-round condition. Replace as necessary.

(2)

Check for dirt in lubrication holes or grooves. Holes and grooves must be clean and free from

damage.

i. Oil Seals. Oil seals are mandatory replacement items.

j. Core Hole Expansion Plugs. Inspect for leakage. Replace plugs when leakage is present.

k. Machine Tooled Parts. Inspect for cracks, breaks, elongated holes, wear, and chips. Replace any

damaged parts.

l. Machined Surfaces. Inspect for cracks, evidence of wear, galled or pitted surface, burrs, nicks, and

scratches.

m. Mated Surfaces. Inspect for remains of old gasket, seal, secure fit, pitting, and evidence of leakage.

n. Rusted Surfaces. Inspect for pitting, holes, and severe damage.

o. Oil Bathed Internal Parts. Inspect for cracks, nicks, burrs, evidence of overheating, and wear.

p. Air Actuated Internal Parts. Inspect for cracks, nicks, burrs, evidence of overheating, and wear.

q. Externally Exposed Parts. Inspect for breaks, cracks, rust damage, and wear.

r. Springs. Inspect for broken, collapsed, and twisted coils.

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