4. If the adaptor ring (9) requires installation, install
adaptor onto wheel hub/wheel motor. Lubricate
the studs and nut flanges with lithium base
grease.
5. Using the procedures in step 3, install flanged nuts
(10) in the sequence described and tighten to the
same torque value as the inner wheel.
6. Grip outer wheel assembly with tire handler and
position onto wheel motor hub.
NOTE: Position outer dual wheel to align tire valve
bracket with inner wheel inflation line.
7. Lubricate all stud threads and nut seating flanges
with lithium base grease. Install and tighten nuts
in the following sequence:
a. Install six (6) nuts at the 12 O’clock and six (6)
nuts at the 6 O’clock positions. Tighten each
nut to 1715 ±100 ft. lbs. (2326 ±136 N.m)
torque.
b. Install three (3) nuts directly below the 3
O’clock and three (3) nuts directly above the 9
O’clock positions. Tighten these nuts to 1715
±100 ft. lbs. (2326 ±136 N.m) torque.
c. Install three (3) nuts directly above the 3
O’clock and three (3) nuts directly below the 9
O’clock positions. Tighten these nuts to 1715
±100 ft. lbs. (2326 ±136 N.m) torque.
d. Install the remaining nuts and torque in a
clockwise direction to 1715 ±100 ft. lbs. (2326
±136 N.m) torque.
e. Retorque all nuts in a clockwise direction to the
required 1715 ±100 ft. lbs. (2326 ±136 N.m)
torque.
8. Secure inner and outer dual tire inflation lines to
bracket (14) on outer rim.
9. Remove blocks from under truck and lower truck
to the ground. Operate truck for one load and
retighten outer wheel nuts to 1715 ±100 ft. lbs.
(2326 ±136 N.m) torque.
Recheck torque after each load for first day and
then intermittently thereafter until all nuts hold
torque.
NOTE: Inner flanged nuts (6) and studs should be
visually inspected for breakage or missing nuts during
scheduled maintenance checks by inserting a mirror
between the rear tires.
G02015 Tires and Rims G2-5
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