3-68. BRAKE ASSEMBLY MAINTENANCE (MODEL WPES-1).
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item- 4)
Stiff-Bristled Brush (Appendix B, Section III, Item 3)
Soft-Bristled Brush (Appendix B, Section III, Item 3)
Brake Spring Tool (Appendix B, Section III, Item 3)
Hand Grease Gun (Appendix B, Section III, Item 3)
Solvent, drycleaning (Appendix C, Section II, Item 28)
Rags, wiping (Appendix C, Section II, Items 23)
Lockwasher (2) - 500358-17
Lockwasher (8) - 500357-13
Seal, Oil (2) - M16HH100
Tire and wheel assembly removed (para. 2-99)
Trailer disconnected from towing vehicle (TM 10-4610-240-10).
Hub and drum assembly removed (para. 2-100).
General Safety Instructions
Using drycleaning solvent incorrectly can cause injury or even death.
Using compressed air can be dangerous.
Remove cotter pin (3) and clevis pin (4). Separate slack adjuster (2) from air chamber pushrod clevis (5).
Remove lockring (6) and slack adjuster (2) from camshaft (14).
Remove four nuts (13), four bolts (7), cover plate (8), and tapered bushing (9).
Remove eight nuts (15), washers (16), and bolts (18).
Pull brake assembly straight out from trailer. Any vertical or side-to-side
movement can cause damage to splined end of camshaft.
Cover plate and tapered bushing might slide off camshaft when camshaft is pulled
through camshaft bracket.
Remove brake assembly (17), tapered bushing (11), and cover plate (12) from axle (1) and camshaft bracket