(1) Inspect diaphragms for damage and wear. Replace worn or damaged diaphragms.
(2) Inspect compression and return springs for damage or wear. Replace worn or damaged springs.
(3) Inspect clamps for cracks or damage. Replace any damaged or broken clamps.
e. Assembly. (Figure 349).
(1) Install O-ring (17), adapter push rod (16), return spring (15), and plates (14) in adapter (18).
(2) Install screws (13).
(3) Install diaphragm (9), pressure plate (10), compression spring (11), and chamber (12). Secure to
adapter (18) with clamp assembly (8).
(4) Lightly tap clamp assembly (8) to ensure proper seating.
(5) Install diaphragm (4), push rod assembly (5), return spring (6), and housing assembly (7). Secure to
adapter (18) with clamp assembly (3).
(6) Lightly tap clamp assembly (3) to ensure proper seating.
(7) Install nut (2) and clevis assembly (1)
3-42. TRAILER SUSPENSION ASSEMBLY. (Figure 351) (ARMY)
a. General. The trailer suspension assembly provides the necessary support for the trailer on its axles. This
chapter describes the removal, disassembly, inspection, assembly and installation of the trailer suspension
(1) Attach a sling to four lifting eyes of trailer frame and hook to portable crane or forklift
(2) Place blocks under wheels to prevent rolling of suspension assembly.
(3) Remove nuts (1), washers (2), screws (3), and trunnion clamp (4) attaching suspension assembly (5)
to trailer frame (6).
To prevent serious injury, be sure lifting straps and eyes are
secure and in good condition before lifting the trailer frame.
Ensure that all personnel stand clear during lifting operations.
(4) Carefully lift trailer frame (6) clear of suspension assembly (5).