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Grabber/Threadfeed/CC Home Harness
The grabber/threadfeed/cc home harness connects the grabber home PCB and the threadfeed/cc home
PCB to the Main PCB at connector location J31.
Replacement Parts Needed:
• harness, grabber/threadfeed/cc home
• Twist Lock cable ties (available at most hardware stores in the electrical section)
Replacement Procedures:
1. Turn the machine OFF.
2. Color change to Needle 1. (To allow access to both home PCBs)
3. Remove the right arm cover and the back screw of the left.
•
CAUTION!! Use extreme care not to drop metallic objects, tools, or other conductive material
on the Main PCB when you have the base cover removed. If you drop such objects on the Main
PCB, it can severely damage the electronics which will be very expensive to repair.
4. Remove the base cover, upper arm back cover and the lower arm rear cover.
5. Remove any twist-lock cable ties that bundle the grabber/threadfeed/cc harness to adjacent ones
behind the needle case assembly and any cable ties that tie the connectors to the PCBs. Set them
aside for re-use.
Figure 1 - Grabber Home Harness Lead
6. Disconnect the grabber/threadfeed/cc harness from the grabber home PCB located at the top left
behind the needlecase. The grabber/threadfeed/cc harness lead is the four pin connector. The ve
pin connector is the grabber stepper motor interface cable.
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