3-69. SPRING ASSEMBLY MAINTENANCE (MODEL WPES-1).
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item 4).
Hydraulic Jack (Appendix B, Section III, Item 3).
Solvent, drycleaning (Appendix C, Section II, Item 28).
General Safety Instructions
Using dry cleaning solvent incorrectly can cause injury or even death. See general
Lifting heavy equipment incorrectly can cause serious injury. See general warning page.
Jack up side of flatbed cargo trailer and block from which spring assembly (4) is to be removed so that
weight is just relieved on tires. Refer to TM 5-4610-215-10/2.
Remove eight backing nuts (1) and eight retaining nuts (2) and four U-bolts (3) holding spring assembly (4) to
Remove four backing nuts (8), retaining nuts (7) and bolts (6) and trunnion bracket plate (9) holding spring
assembly (4) to trunnion bracket (5).
The spring assembly is heavy. Two people are needed to lift it to prevent
personal injury or damage to the equipment.
Lift spring assembly (4) off trunnion bracket (5).