Pfaff 1540 User Manual
Page 90
88
49. Changing the motor
Note:
The motor must be replaced as a complete unit.
Removal:
z
Disconnect the machine lead cord
z
Remove the detachable work support.
z
Remove the housing covers as described in this manual.
z
Remove the right-hand motor retaining screw 57 (fig. 113).
z
Disconnect light plug 46.
z
Remove the second motor retaining screw 56.
z
Lift motor sprocket 58 out of toothed belt 59 and remove the motor to the front.
Refitting:
z
Before refitting the motor, simulated leakage current must be measured (see section 58 of this
manual).
z
Insert the motor and place motor sprocket 58 in toothed belt 59 (fig. 113).
z
Install the sewing lamp wire at the motor and attach plug 46.
z
Insert and slightly tighten top motor retaining screw 56.
z
Insert and slightly tighten right motor retaining screw 57.
z
Tension toothed belt 59 and firmly tighten the two screws.
z
Refit the housing cover as described in this manual.
z
Reconnect the mains plug and test run the machine.
z
Carry out an electrical safety test in accordance with VDE 0701 using testing appliance ABB Metrawatt
M 5013.