Fig. 16 - Removing the wheel hub.
A - Tractor wheel
B - Safety stand
C - Front axle
Fig. 17 - Removing the guard cover.
A - Check pin
B - Gasket
C - Cover
D - Hub
E - Nut
Fig. 18 - Using a puller to remove the wheel hub.
A - Wheel hub shaft pin
B - Whole wheel hub
Wheel hub
— Using a universal puller withdraw whole wheel hub B from pin,
(Fig. 18).
— Make use of a suitable puller to remove front ball bearing A
and take spacer B, (Fig. 19).
— Remove retaining ring E by prising, then using a proper puller
remove rear ball bearing D, (Fig. 19).
— Before assembly coat bearings B and D and new retaining ring
A with the recommended grease, (Fig. 20).
Carefully insert retaining ring A using a light-alloy hammer and
punch.
— Install wheel hub C onto pin G tapping slightly with the hammer
for proper bedding.
— Tighten castellated nut E to the prescribed torque.
Make sure the nut cut is duly aligned with the check pin hole
in the pin, otherwise tighten the nut furtherly to make them
coinciding and re-install the check pin.
— Ensure wheel hub C end play is 0.12 to 0.48 mm with respect
to wheel shaft pin G.
Fig. 20 - Cutaway view of the wheel hub.
drive axles - axles
2-W.D. extendible axle
A - Retaining ring
B - Internal ball bearing
C - Wheel hub
D - External ball bearing
E - Castellated nut
F - Shoulder ring
G - Wheel shaft pin
H - Spacer
1 - Front ball bearing
2 - Spacer
3 - Wheel hub
4 - Rear ball bearing
5 - Retaining ring
Fig. 19 - Wheel hub parts.
42
4
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