Rear Tires And Rims; Rear Axle Jack Location; Rear Tire Removal; Installation - Komatsu 930E-2 Shop Manual

Installation

NOTE: Remove all dirt and rust from mating parts
before installing wheel assembly.
1. Grip wheel assembly with the tire handler and
align tire inflation hose and wheel hub (1, Figure
2-2). Position rim onto wheel hub studs.
2. 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.
3. Remove blocking etc. and lower jack.
4. Operate truck for one load and retighten wheel
nuts to the specified torque.
FIGURE 2-3. REAR AXLE JACK LOCATION
G02015

REAR TIRES AND RIMS

Removal
1. Park truck on level ground and block front wheels.
Position a jack under rear suspension mounting
plates as shown in Figure 2-3.
2. Raise rear axle housing of truck until tires clear
ground. Securely block up rear axle housing near
the wheel motor mounting flange.
3. If rear, inner tire is to be removed, remove inner
tire inflation hose at clamp on outer wheel and
disconnect from inner extension (7, Figure 2-5).
4. Grip outer wheel and tire with tire handler arms as
shown in Figure 2-4. Remove flanged nuts (10,
Figure 2-5) from adaptor ring (9) securing outer
rim to wheel motor hub.
5. Pull straight out on outer wheel assembly and
remove.
6. If inner wheel removal is necessary, disconnect
inner tire inflation extension (7) and remove.
7. Position tire handler to grip inner wheel. Remove
flanged nuts (6).
FIGURE 2-4. REAR TIRE REMOVAL
1. Tire Handler
2. Outer Rear Tire
Tires and Rims
3. Inner Rear Tire
G2-3