TM 5-4520-208-15
(4) Position inner and outer rims on tire
d. Installation.
and tube, insert valve stem through
(1) Position the axle assembly (15) on the
hole in rim with hole (9), and secure
spring assemblies (19) and secure by
by installing alight rim bolts (12),
installing the four U-bolts (20), two
lockwashers (5), and nuts (4).
and tight nuts (18),
f. Installation.
(2) Install trailer wheels and wheel bear-
(1) Install outer and inner tapered roller
bearing cups (3 and 13).
(2) Position assembled wheel on hut as-
110. Springs
sembly and secure by installing five
a. General The trailer is equipped with leaf
springs to absorb road shock while transporting
(3) Install wheel bearings and seal (pars
heater.
b. Removal.
(4) Inflate tires to normal pressure, 20
psi.
Warning:
W h e n inflating trailer
slotted hex nuts (21), and shackle
tires, remain to one side of tire rather
bolts (26) securing two shackles (24)
t h a n directly in front of it. Serious
to trailer frame assembly (23) and
injury may result if tube blows out.
spring assembly (19). Remove the
shackles from the frame and the
(5) Install valve cap.
spring.
109. Axle
(3) Remove cutter pin (22), slotted hex
nut (21), and shackle bolt (26) secur-
a. General. The axle, on which the wheels
ing other end of spring assembly (19)
are mounted, is of the stationary type. The
axle is secured to the leaf springs with U-bolts.
to trailer frame assembly (23) and
remove spring.
b. Removal.
(4) Remove three lubrication fittings (25)
(1) Remove, trailer wheels and wheel bear-
from shackle bolts (26). Remove the
other spring in the same manner.
c. Cleaning and Inspection.
(1) Clean all parts in an approved clean-
sembly (15) to spring assembly (19)
ing solvent and dry thoroughly.
and remove two U-bolts (20) and
(2) Inspect all parts for breaks, cracks,
spring mounting plate (16). Remove
bends, weakened condition, or other
two U-bolts from the other spring in
damage.
the same manner and remove the axle
(3) Replace all damaged or missing parts.
assembly from the spring.
d. Installation.
(1) Install three lubrication fittings (25)
f. Cleaning, Inspection, and Repair.
on shackle bolts (26).
(1) Clean all parts in and approved clean-
(2) Position two shackles (24) on trailer
ing solvent and dry thoroughly.
frame assembly (23) and secure by
(2) Inspect all parts for breaks, cracks,
installing shackle bolt (26), slotted
bends, burs, damaged threads, or
hex nut (21), and cotter pin (22).
other damage.
Secure spring to shackles and trailer
(3) Remove all burs from the spindle end
frame assembly in the same manner.
of the axle.
Install the other spring in the same
manner.
(4) Weld small breaks and cracks or re-
place a damaged axle.
78