TM 55-4920-394-13&P
Table 3-3. Inspection of Mechanical Parts
PART
INSPECT FOR
Ball Bearings
Out-of-round, scoring and rough, noisy operation.
Needle Bearings
Out-of-round, scoring and rough, noisy operation.
Tapered roller
Out-of-round, scoring and rough, noisy operation.
bearings and races
Sleeve bearings
Out-of-round, scoring and wear.
Worn, chipped or broken teeth. Fluorescent
penetrant inspection for cracks.
Shafts
Wearing, scoring, bent condition, damaged teeth
if applicable.
Port Plate
Scoring and wear.
Sleeve and spool
Scoring and wear.
Piston
Distortion and wear.
Sleeve
Scoring and wear.
Barrel
Scoring and wear.
Roller
Scoring and wear.
Piston-shoe set
Scoring and wear.
Brake drum
Scoring and wear.
Brake shoes
Scoring and wear.
Springs
Broken leaf and damage.
Tie rod ends
Distortion and wear.
Wheels spindles
Inspect for cracks with fluorescent penetrant
method.
Tool Box
Dents, punctures and corrosion.
Brake lever
Misalignment, distortion, wear and corrosion.
assembly
Oil cooler fan
Cracks in hub area, bent blades and unbalance.
Oil cooler
Test for obstructed flow and leakage under 150
psig. There should be no external leakage.
3-7
