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Take-Up Lever Cam Replacement
The take-up lever cam may wear out over time and need replacement. Replace the cam following these
procedures.
•
This repair requires timing and other adjustments and should be done by an authorized service
technician.
Replacement Part Needed:
• Take-Up Lever Cam
Replacement Procedure
1. Remove the needlecase.
2. Remove both the left and right front arm covers.
Figure 1 - Take-Up Lever Connecting Arm
3. Remove the screw connecting the connecting rod assembly to the take-up lever cam and discon-
nect the connecting rod from the take-up lever cam. Use a screwdriver that ts the slot correctly
as the screw threads have red loctite (MS 222) applied and may be difcult to break loose.
•
CAUTION!! DO NOT DISASSEMBLE THE Z-SHAFT ITSELF OR ATTEMPT TO REMOVE IT! If you
remove the retaining rings at either end of the z-shaft, the machine will have to be sent in to
the factory for repair. The illustrations below are shown on a z-shaft that is removed from the
machine for clarity purposes only.
Figure 2 - Remove Center Screw
4. Remove the center screw connecting the z-shaft end plate to the upper z-shaft.
5. Remove the take-up lever cam (with the z-shaft end plate attached) from the upper z-shaft.
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