Pfaff 1540 User Manual
Page 95
93
53. Changing the motor toothed belt
Removal:
z
Disconnect the machine lead cord
z
Remove the housing covers as described in this manual.
z
Remove the two screws 56 and 57 of the motor (fig. 117).
z
Disengage the handwheel.
z
Remove plastic cap 141.
z
Remove handwheel screw 142 (fig. 118).
z
Remove the complete handwheel.
z
Remove toothed belt 59.
Refitting:
z
Insert the new toothed belt 59 and press it up until there is enough space for the handwheel (fig. 117).
z
Insert handwheel and place the toothed belt 59 correctly onto the handwheel pinion.
z
Insert handwheel screw 142 and moderately tighten it.
z
Fit the toothed belt onto motor pinion 58.
z
Secure the motor with screws 56 and 57 and, at the same time, adjust the belt tension.
z
Refit plastic cap 141.
z
Refit the hosing covers as described in this manual.
z
Carry out an electrical safety test in accordance with VDE 0701 using testing appliance ABB Metrawatt
M 5013.