63
nut, bend the second tab round the flat of the locknut. (Fig. 56).
10. Reinstall the axle shaft of the rear axle or driving flange
and front axle wheel disengaging coupling, install the spring
washers and tighten the bolts.
After a run, check the wheel hub for correct bearing
adjustment by its heating. If the hub overheats, back off the nut
1/6 of a turn (1 flat), observing the above sequence and rules.
When checking the bearing adjustment by hub heating, do
not apply the service brakes since the hubs will be heated from
the brake drums.
CONTROL SYSTEMS
Maintenance of the Steering Gear
For maintenance of the steering gear, timely tighten up the
bolts attaching the steering gear case to the bracket, check the
pins of the steering rods the steering knuckle lever, steering arm
for proper attachment. Check the steering wheel play, adjust the
steering mechanism, lubricate timely the steering rod joints and
add oil into the steering gear case (if required).
The steering rod joints are lubricated through the grease
fitting 5 (refer to Fig. 52).
Periodically check the locknuts of the tie-rod tips for proper
tightening. Do not allow any clearances in tapered joints of the
levers and pins.
Fig. 55. Adjustment of hub
bearings
Fig. 56. Locking hub bearing nuts
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