Changing The Motor Pinion - Pfaff Select 1520 Service Manual

52. Changing the motor pinion

Note:
The motor pinion must only be removed when a rotor is exchanged.
Removal:
Remove the motor in accordance with point 49 of this manual.
Insert two screwdrivers of the same width between pinion 58 and the motor bearing (fig. 116).
Rotate the two screwdrivers in opposite directions, thus prizing pinion 58 off the shaft.
Note:
The old motor pinion gear is no longer usable.
Refitting:
Support the rotor shaft at the opposite end and push on the new motor pinion.
Measure the simulated leakage current in accordance with section 58 of this manual.
Fit and glue on outer disk 172.
Fit the motor in accordance with section 49.
Carry out an electrical safety test in accordance with VDE 0701 using testing appliance ABB Metrawatt
M 5013.
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