C3, TM 9-2320-211-20
connecting the left and right spring seats.
(6) Hook the end of a tester scale in the clamp bolt
(18) Install the wheels on both rear axles (para 2-
hole (fig. 2-217), and pull downward on the scale, noting
207).
the pull required to rotate the spring seat on the cross
tube.
b. Removal.
(1) Disconnect the spring seat from spring as
(7) When the bearings are correctly adjusted, the
described in (1) through (5) above.
pull on the scale required to rotate the spring seat is 24 to
32 pounds. This is equal to 15 to 20 lb-ft preload on the
the spring seat cap. Remove the cap from the spring seat
bearings.
assembly. Remove and discard the cap gasket.
(3) Remove the outer bearing adjusting nut (fig.
NOTE
2-217), bearing adjusting nut washer and the inner
If the spring seat bearing adjustment is
bearing adjusting nut from the cross tube.
required, proceed as described in (8) through
(4) Pull the spring seat with the outer tapered roller
(12) below. Otherwise proceed as in (13)
bearing cone from the spring seat.
through (18) below.
(5) Remove dust seal washer, two dust seals, wiper
retainer, wiper, grease seal and two bearings and cups
from spring seat.
the spring seat cap. Remove the cap from the spring seat
c. Installation.
assembly. Remove and discard the cap gasket.
(1) With the inner tapered roller bearing cone in
(9) Remove the outer bearing adjusting nut (fig. 2-
position on the cross tube (fig. 2-217), install the spring
217) and the bearing adjusting nut washer from the cross
seat assembly on the cross tube so that the cone enters the
tube.
bearing cup in the outer bore of the seat.
(10) Turn the inner bearing adjusting nut (fig. 2-
(3) Install the inner bearing adjusting nut on the end
of the cross tube, and adjust the bearings as described in
to rotate the spring seat.
paragraph a above.
(11) Install the bearing adjusting nut washer and
outer bearing adjusting nut on the cross tube. Tighten the
nut. Check the bearing adjustment as described in (6)
2-234. Shock Absorbers.
above.
a. Removal (fig. 2-216).
(12) Position a new cap gasket and spring seat cap
(1) Raise the vehicle to remove the load from the
on the spring seat (fig. 2-174). Install the six capscrews
shock absorber.
and lockwashers.
disconnect the lower shock absorber mounting eye.
(13) Lower the spring on the spring seat, and
(3) Remove the safety nut securing the upper shock
remove the jacks from under the spring.
absorber mounting eye. Remove the washer, two rubber
bushings, and the shock absorber from vehicle. Discard
on top of the spring, place two U-bolts over the saddle
and spring, inserting the ends of the U-bolts in the holes
the bushings.
in spring seat.
b. Installation (fig. 2-216).
(15) Install four lockwashers and nuts on the two U-
(1) Position the shock absorber on the studs with
new bushings installed to the upper and lower ends.
bolts. Tighten the nuts.
(2) Install a washer and safety nuts on the upper and
(16) Install the clamp bolts in the front and rear
lower end.
ends of spring seat. Tighten the bolts.
(17) Remove the jack from under the cross tube
(3) Lower the vehicle to the ground.
