Changing The Motor - Pfaff expression 2014 Service Manual

34. Changing the motor

Note:
The motor is only exchanged complete.
Removal:
Remove the mains lead from the mains socket and the machine.
Clap the carrying handle up.
Loosen fastening screw 9 on the stand cover (fig. 100).
Remove stand cover.
Unscrew and remove fastening screw 84 (fig. 101).
Remove flat-toothed belt 85.
Remove the motor from the housing to the right.
Remove both of the motor's power cables (fig. 102).
Fitting:
Place flat-toothed belt on the handwheel (fig. 101).
Attach both power cables, paying attention to the plus signs (fig. 102).
Insert the motor and place the motor pinion in toothed belt 85 (fig. 101).
Tighten fastening screw 84 slightly.
Adjust the toothed-belt tension by moving the motor.
Tighten fastening screw 84.
Insert the mains lead and trial-run the machine.
Carry out an electrical safety test in accordance with VDE 0701 using testing appliance
Metrawatt 5013.
80