TM9-2330-372-14&P
a. Removal.
(1) Position the trailer on a level surface with the rear end of the frame under an overhead hoist which has
sufficient capacity to support the trailer after removal of the bogie assembly. Block up the draw bar. Front jacks must be
in down position and back jacks swiveled up towards rear of trailer.
(2) Using a lifting sling to engage the two rear lifting lugs, attach the overhead hoist to the trailer. Remove the
slack from the hoist cable, but do not raise the rear of the trailer with the hoist.
(3) Open drain cock on air reservoir.
(4) Tag and disconnect air lines from all four air brake chambers.
(5) Disconnect hand brake cables (5, fig. 6) from slack adjusters. Remove devises (2) and snap rings (6)
from cable ends and pull cables through bracket (27).
(6) Remove eight nuts (2, fig.
19), lock washers (24), and screws (21) attaching clamps (20) to
frame
pedestal.
(7) Using the overhead hoist, raise the rear end of the trailer and roll the wheels and bogie assembly from
under the rear of the trailer.
(8) Lower rear leveling jacks and lower rear of trailer.
b. Disassembly.
(1) Block or hoist end of springs of axle to be removed.
(2) Remove four lock-nuts (2), hex nuts (3), "U" bolts (16), two hex nuts (1), and washers (26) from shackle
box studs at each end of axle assembly.
(3) Remove shackle box covers (25), spacers (18), trunnion bar (23) (see para. 5-9), spring assemblies (7)
c. Cleaning, Inspection, and Repair.
(1) Cleaning. Clean mud and dirt from all exposed parts with water and stiff brush. Remove grease from
spindles of axle and wheel-retaining parts with dry cleaning solvent (App. E, Item 2).
5-3