4-56. SPRING REPLACEMENT.
THIS TASK COVERS
Cleaning and Inspection
Two rebound bolts
Dry cleaning solvent
Tool kit, general mechanic's
General Safety Instructions:
Dry cleaning solvent is flammable and must
not be used near open flame. Use only in a
Personnel Required: Two
Place floor jack under axle end in front of brake chamber and raise end of axle (13). Support
Use a floor jack to raise frame at bumper until spring (8) is clear of hangers (2).
Remove locknut (1) and rebound bolt (3) at frame hanger (2). Discard locknut and rebound
Remove four nuts (12). washers (11), two U-bolts (4), saddle (9), and delrin liner (14).
Rear spring rebound bolt at equalizer (6) is a welded piece and cannot be
Remove locknut (5) and rebound bolt (7) at equalizer (6). Discard locknut and rebound bolt.
(6) Remove spring (8).
b. CLEANING AND INSPECTION
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protective
goggles, face shield and gloves, and use only in a well-ventilated area.
Avoid contact with skin, eyes, and clothes and DO NOT breathe vapors. DO
NOT use near open flame or excessive heat. The solvent's flash point Is
100F-138F (38-59C). If you become dizzy while using cleaning sol-
vent, immediately get fresh air and medical help. If solvent contacts eyes,
immediately wash your eyes with water and get medical aid.
Clean all removed components with dry cleaning solvent.