Specifications

8. Position the pulley and spacer against the left outside of the bracket and the
color change cam against the two 2.75mm thrust washers and thrust bearing
combination to take up the slack. Tighten the color change cam onto the shaft
flats.
9. Position the inside split-hub clamp against the two 1.00mm thrust washers and
thrust bearing combination and the outside split-hub clamp and spacer against
the right outside of the bracket to take up the slack. Tighten the two clamps.
10. Check that the rotation of the cam assembly provides a smooth operation and is
free of any binding. If this is not true, rework the previous two steps until the
operation is acceptable.
11. Remove the color change PCB.
12. Lay the color change mount key into the embroidery head keyway (see Figure
3-20), then put the color change bracket (with the cam and hardware) into
position.
13. Ensure the needle case is positioned with the needle centered in the needle plate
hole by moving the color change bracket to obtain the needle centering, then
tighten the color change bracket screws (see Figure 3-20).
14. Reinstall the color change motor and adjust the motor belt tension as previously
described.
15. Reinstall the color change PCB as previously described.
16. Reattach the color change area covers and the tensioner covers.
Color Change Cam Assembly Replacement 3 - 23
110291-01, Rev D 3. Embroidery Head Maintenance