Vent plug should clear instantly to prevent pressure inside of wheel hub from rising.
1.3.4. Axle shaft and wheel hub
Remove
1）Raise the front end of forklift truck and support frame with wooden blocks.
2）Remove front wheel and axle shaft.
3）Remove lock nuts, lock washers, snap ring, felt ring, adjusting nut. Use special tools.
4）Remove brake drum（refer to Fig.5-4）；
If brake drum is difficult to remove: a. Remove adjusting hole plug. Then with flat-blade
screwdriver extend adjusting hole, turn adjusting ratchet wheel by 10 notches. To contract brake
shoe lining（refer to Fig.5-5）. b. evenly tapping on brake drum with brass bar or wooden mallet.
Fig.1-4 Fig.1-5
5）Remove wheel hub, be careful not to drop bearing inner race.
6）Remove oil seal and inner bearing as an assembly by evenly tapping on periphery of seal with a
wooden mallet and brass bar.
7）Remove bearing outer race from wheel hub by evenly tapping on its periphery with a wooden
mallet.
CAUTION：Be careful not to damage oil seal and outer race.
Inspection
Stepped wear or cracks on axle shaft splines
Seized, scratched, noisy or rusted bearing or improper rotation of
rollers
Cracked or damage wheel hub
Damaged oil seal felt ring.
Installation
Install reverse order of removal.
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