TM 9-2320-266-34
Tighten the shackle bolt nuts and the fixed eye bolt nut
Loosen or remove the spring leaf alinement clips and
until the slack is taken up.
remove the center bolt.
(3) Position the spring on the axle so the spring
center bolt enters the locating hole in the axle pad.
(4) Install the "U" bolts.
(5) Remove the jack stands and lower the truck.
Tighten the "U" bolt nuts to 110 ft-lbs, and the spring
eye bolt nuts and the shackle bolt nuts to 80 ft-lbs. Do
not lubricate the rubber bushings.
7-11. Rear Springs.
Figure 7-12. Dissembling Spring Assembly.
(2) Insert a long drift in the center bolt hole and
release the vise slowly.
(3) Remove the assembly from the vise and replace
the broken leaf.
(4) Place the spring assembly in a vise. Slowly
tighten the vise while holding the spring leaves in alinement
with the drift.
(5) Remove the drift, install the center bolt (figure
7-12), and torque to 40
ft-lbs.
(6) Reinstall the alinement clips, and remove the
spring from the vise.
c. Installation.
Figure 7- 11. Rear Suspension.
(1) Position the spring on the axle so the spring
a. Removal.
center bolt enters the axle housing pad.
(1) Raise the rear of the truck with a lifting hoist
(2) Line up the spring front eye with the bolt hole
until the weight is removed from the springs (wheels just
in the bracket and install the spring bolt and nut.
touching the floor).
(3) Install the rear shackle, bolts, and nuts. Tighten
(2) Place jack stands under the side frame members as a
the shackle bolt nuts and the front bolt nut until the slack
safety precaution.
is taken up.
(3) Remove the "U" bolts securing the spring to the
(4) Install the "U" bolts.
axle. Retain the spacers.
(4) Remove the spring shackle bolts, the shackle, and
NOTE
the spring front bolt. Remove the spring.
On models equipped with auxiliary springs,
NOTE
position the spring and seat before install-
ing the "U" bolts.
On models equipped with auxiliary springs,
remove the auxiliary spring and extra seat.
(5) Remove the jack stands and lower the truck.
b. Installing a New Leaf
Tighten the "U" bolt nuts to 110 ft-lbs, and the spring eye
bolt nuts and the shackle bolt nuts to 160 ft-lbs.
7-6 Change 2