Pfaff 1540 User Manual
Page 94
92
52. Changing the motor pinion
Note:
The motor pinion must only be removed when a rotor is exchanged.
Removal:
z
Remove the motor in accordance with point 49 of this manual.
z
Insert two screwdrivers of the same width between pinion 58 and the motor bearing (fig. 116).
z
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:
z
Support the rotor shaft at the opposite end and push on the new motor pinion.
z
Measure the simulated leakage current in accordance with section 58 of this manual.
z
Fit and glue on outer disk 172.
z
Fit the motor in accordance with section 49.
z
Carry out an electrical safety test in accordance with VDE 0701 using testing appliance ABB Metrawatt
M 5013.