Inspecting the hub shaft
- Check the three shafts for wear or distortion of
the toothed surfaces, the bearing housings, and
the oil seal housings.
- In case of anomalies, replace the damaged com-
ponents.
- Check capacity ( A ) of the transmission gear
(wear, deformations, etc.)
- Check the pulley shaft seating: Superficial wear
( B ) may indicate irregularities in the crankcase
seatings or in the pulley shaft capacities
Inspecting the hub cover
- Check that the fitting surface is not dented or dis-
torted.
- If faults are found, replace the hub cover.
Refitting the wheel axle bearing
- Support the hub cover on a wooden surface
- Heat up the hub cover using the thermal gun.
- Preassemble the bearing on the specific punch
using grease and then insert the bearing in its
seating
- Refit the seeger ring and the oil seal using the 42
x 47 mm adaptor
N.B.
POSITION THE OIL SEAL WITH THE SEALING LIP FACING
THE HUB INTERNAL SIDE
Specific tooling
020150Y Air heater support
020151Y Air heater
020376Y Adaptor handle
MSS ZIP 100 4T Engine
ENG - 79
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