Changing The Motor Toothed Belt - Pfaff Select 1520 Service Manual

53. Changing the motor toothed belt

Removal:
Disconnect the machine lead cord
Remove the housing covers as described in this manual.
Remove the two screws 56 and 57 of the motor (fig. 117).
Disengage the handwheel.
Remove plastic cap 141.
Remove handwheel screw 142 (fig. 118).
Remove the complete handwheel.
Remove toothed belt 59.
Refitting:
Insert the new toothed belt 59 and press it up until there is enough space for the handwheel (fig. 117).
Insert handwheel and place the toothed belt 59 correctly onto the handwheel pinion.
Insert handwheel screw 142 and moderately tighten it.
Fit the toothed belt onto motor pinion 58.
Secure the motor with screws 56 and 57 and, at the same time, adjust the belt tension.
Refit plastic cap 141.
Refit the hosing covers as described in this manual.
Carry out an electrical safety test in accordance with VDE 0701 using testing appliance ABB Metrawatt
M 5013.
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