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 TM 10-3930-633-34
should be pushed down out of the way so that axle
(2) Support the vehicle, using adequate jack
can be properly positioned.
stands or blocking under the frame, making sure
(2) Raise the axle on the axle jack so that the
that the positioning of these supports will not
springs can be rotated up into position. The free
interfere with axle removal.
end (rearmost) of the springs should slide between
(3) Remove rear wheels and tires.
the two frame brackets on each side.
(4) Disconnect hydraulic brake line from
(3) Install the two rear spring bracket bolts
master cylinder at the tee fitting mounted next to
and locknuts, and tighten securely. Note that the
the differential carrier. Plug the brake lines to
bolt must be installed below the spring leaves to
prevent contamination.
retain the free end of the spring.
(5) Remove differential and gearcase drain
(4) Carefully align the axle so that the center
plugs and allow units to drain thoroughly.
bolt of the spring fits into the recess under the
(6) Remove the four nuts and disconnect the
spring pad on each side of the axle.
companion flange and flange yoke on the drive
(5) Lower the axle so that it just rests on the
shaft.
springs.
(7) Position an axle jack, or similar device,
(6) Position the spring plate (as shown in
under the axle housing to support the assembly
once attaching hardware is removed. Adjust the
four bolts and locknuts on each side of the axle.
supporting device to relieve strain from the
Torque bolts to 50 to 60 ft/lbs.
mounting hardware.
(7) Connect brake line at tee fitting.
(8) Remove the rear spring bolt and nut from
(8) Connect flange yoke on drive shaft to
the frame bracket at the rear of each spring.
reduction gearcase companion flange and secure
(9) Remove the four bolts and lock nuts and
with four capscrews and nuts.
the mounting plate from the axle spring mounting
(9) Mount rear wheels and tires.
pad on each side.
(10) Lower vehicle to the ground or floor,
(10) Lower the axle jack and axle, and
and fill the differential and reduction gearcase
remove from beneath the vehicle.
with the proper grade and type of lubricant for the
b. Installation.
season, as specified in LO 10-3930-633-12.
(1) position rear axle, with reduction
(11 ) Bleed the brakes. (Refer to TM 10-3930-
gearcase assembled, under vehicle. The springs
633-12. )
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