Replacing The Microswitch - Pfaff Coverlock 4772 Service Manual

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39. Replacing the microswitch

Disassembly:
G Remove the housing cover as described in the adjustment and repair instructions.
G Cut open cable clip 9 (figure 5).
G Pull the insulation tube 10 to one side.
G Pull out the plug-in connector of the microswitch cable.
G Press both clips 11 of the housing cover 12 to one side and remove the microswitch cover 13
(figures 6 and 7).
G Remove the microswitch 14 and the cable completely.
Assembly:
G Fit the microswitch 14 in the microswitch housing 13.
G Fit the pressure piece 15 with the locking spring.
G Mount the housing cover 12 and press it down until you hear the clips 11 click into place.
G Plug the plug-in connector of the microswitch cable into the motor cable (figure 5).
G Pull the insulation tube 10 over the plug-in connector and secure it with a new cable clip 9.
After replacing the microswitch, an electrical safety test must be carried out as described in the adjust-
ment and repair instructions.
Note:
Following machine assembly a functional test of the microswitch must be carried out.
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