2-87. AXLE ASSEMBLY (HUB AND DRUM) REPLACE (WPES-10 AND H-9518-1) - continued.
Drycleaning solvent, P-D-680, Cl II, is highly toxic and can ignite organic materials,
nitrates, carbides, and chlorates. Wear eye, skin, and respiratory protection. Use in a
Using drycleaning solvent, clean bearing cones (10 and 12) and bearing cups (13 and 14) by wiping and
If old grease in bearing cones and rollers is gummed or caked, soak cones in drycleaning solvent, then
repeat step 1.
Do not dry bearing cones and rollers with compressed air. Spinning bearings may come
apart and cause serious injury to personnel.
After cleaning, keep bearings clean and dry. Dirt and moisture can damage bearings.
Rinse bearing cones (10 and 12) and bearing cups (13 and 14) in clean drycleaning solvent and allow to
Hold bearing cones (10 and 12) and slowly turn inner race. Check for rough spots and binding.
Check that inner and outer races have no cracks, flaking, pitting, or long and deep scratches.
Check that bearing cones have not overheated. Bearing cones turn blue where overheated.
Check that bearing cups are not splintered or chipped.
Pack bearings with grease. Refer to LO 10-4610-241-12.
2-350 Change 1