Section
4-16 LX 31/41 Work Platform
Maintenance
FRONT AXLE 4WD (Figure 4-17)
Removal
1. Park the work platform on firm level ground and block
the wheels to prevent the work platform from rolling.
2. Loosen the wheel lug nuts on the motor to be
removed.
3. Raise the front of the work platform using a 2-ton jack.
4. Position two 1-ton jack stands under the front axle
to prevent the work platform from falling if the jack
fails.
5. Remove the wheel nuts and wheel.
Clean all fittings before disconnecting the
hose assemblies.
Plug all port holes and hose assemblies
IMMEDIATELY to prevent contamination
from dust and debris.
6. Tag and disconnect the hose assemblies.
7. Remove the screw and nut from the end of the
steering link. Swing the connecting link clear of the
steering link.
8. Remove the 'E' ring from the steering link pin.
9. Lift the connecting link off of the steering link pin.
10. Swing the trunnion assembly around to gain access
to the inside.
11. Remove the four nuts from inside the trunnion and
remove the drive motor/hub assembly.
Installation
1. Position the drive motor/hub assembly into the
steering trunnion and secure with the four nuts,
tighten.
2. Install the connecting link onto the steering link pin
and secure with the 'E' ring.
3. Swing the connecting link toward the steering link,
and align the holes. Install the screw and nut,
tighten.
3. Install the hose assemblies.
4. Install the wheel and wheel nuts onto the hub.
Torque the wheel nuts to 90 ft. lbs. (122 N-m).
5. Remove the jack stands used to block the wheels.
Lower the jack and remove.
6. Operate the drive system to check for leaks.
1. Steer Cylinder
2. Clevis Pin
3. Hair Pin Retainer
4. Steering Link
5. Connecting Link
6. E-Ring
7. Trunnion
8. Drive Motor
9. Wheel Nut
Figure 4-17: Front Axle Assembly 4WD
4.9
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