Derbi GP1 50 cc, Руководство по ремонту

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- Remove the split ring from the shaft together with the bea-
rings.
- Remove the steel washer.
- Using the air heater, warm up the crankcase in the area
around the water pump bearings as shown in the picture.
-With the aid of the special tool, loosen the impeller shaft
turning the spanner clockwise (left-handed thread).
- As the thread is fully disengaged, extract the shaft with the
aid of pliers.
Specific tooling
020169Y Water pump drive shaft spanner
- Using the special hook, remove the split ring from its
housing as shown in the picture.
Specific tooling
020209Y Spring hook
- Ensure the shaft is not abnormally worn and the bearings
not noisy. Otherwise, replace shaft and bearings.
- Carefully clean oil seal and bearing housings.