Pfaff 132 Owner's Manual - Page 14

The E'ectric Motor 1. Line Voltage The motor works on 115 volts. 2. Tensioning the Drive Belt a) Loosen both screws holding the guard to motor and remove the guard. Fig. 20 shows Motor Housing with Guard removed. b) Loosen the two screws b which are now visible - see Fig. 20. c) By moving the motor up or down, the correct belt tension may be obtained. Retighten both screws. 3. Changing the Carbon Brushes a) Remove the Vbelt. b) Take out the 4 screws c in motor end shield plate - see Fig. 20. The motor, complete with plate, can now be drawn from the motor housing, to give free access to the carbon brushes - see Fig. 20. 24 c Fig. 20 End shield plate with screws for regulating the belt tension and with fixing screws for access to carbon brushes 25