3-66. BRAKE ASSEMBLY REPAIR (MODELS WPES-10 AND H-9518-1) - continued.
Using rags, wipe solidified grease off all parts.
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
Soak spider (20), slack adjuster (5), and other parts with solidified grease, in drycleaning solvent for 1
Using stiff-bristled brush, scrub grease off all parts.
Using clean, lint-free rags, wipe all parts dry.
Compressed air can blow dust into the eyes. Wear eye protection. Do not exceed 30 psi
(207 kPa) air pressure.
Blow compressed air into hole for grease fittings on spider (20), slack adjuster (5) and housing half (9).
Check shaft (23) for cracks, damaged or worn splines.
Check slack adjuster (5) for cracks, damaged spline and stopped-up grease passage.
Check mounting plate (28) for distortion and cracked welding seams where it is attached to axle (29).
Check housing halves (16 and (9) for cracks, dents, stopped-up grease passage and other visible damage.
Check spider (20) for cracks, distortion and stopped-up grease passage.
Check bushing (11) for binding, loose, damaged or worn rollers.
Check all other parts for stripped threads, cracks, wear and deterioration.
Replace all lockwashers, seals and preformed packing.
Replace damaged, worn and otherwise unserviceable parts.
3-364 Change 1