TM 10-4320-315-24
3-34. MAINTENANCE OF AXLE, SPRINGS, AND SUSPENSION KIT - (Cont)
(2)
Remove front spring mounting bolt (1) and nut (2) from each spring assembly (6).
(3)
Remove rear spring mounting bolts (3 and 4) and shackle plates (5) from each spring assembly (6).
(4)
Remove the spring assembly (6) by loosening and removing the four nuts (7) and spring clamp (12) on
the two U-bolts (8) at each end of the axle (11).
(5) Remove nylon bushings (9) from both ends of each spring and two rear hangers (10).
b. INSTALL.
(1)
Install new nylon bushings (9) in both ends of each spring and two rear hangers (10).
(2)
Install shackle plates (5) on each side of trailer chassis.
NOTE
Do not tighten shackle plate mounting bolts against nuts until after installing spring assemblies
on trailer chassis. Shackle plates may have to be repositioned to allow for spring installation.
(3)
Install mounting bolt (3) and nut (4) through each set of shackle plates (5).
(4)
Align spring assemblies (6) for installation on each side of trailer chassis.
(5)
Install spring mounting bolts (1) and nut (2) on both ends of each spring assembly. Tighten bolts (1 and 3)
against nuts (2 and 4) until spring assemblies are secured to trailer chassis and shackle plates (5).
(6)
Tighten mounting bolts (3) on each set of shackle plates (5).
(7)
Install axle (11) on spring assemblies beneath trailer chassis.
(8)
Install spring clamp (12), two U-bolts, four washers and four nuts on each spring assembly.
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