Specifications

6. Locate and disconnect the thread break harness from the rear of the thread
tensioner PCB.
CAUTION! The Color Change PCB is snapped into place on top of the color change
bracket. Be careful not to damage the LED sensors or any other components when
removing the PCB.
7. Remove the color change PCB by lightly prying up on the board near the 4 catch
pins that hold the PCB in place (see Figure 3-36). The color change PCB should
simply lift off of the color change housing.
8. Remove the 2 screws securing the thread break contact brush assembly onto the
old color change PCB.
9. Attach the thread break brush assembly to the new color change PCB. Transfer
the two nylon spacers, or if damaged, install two new spacers between the
thread break contact brush bracket and the new color change PCB (see Figure
3-36). The screws need only to be snugged slightly, since you will be adjusting
the brush position after the next step.
CAUTION! In the next step, press only on the board, DO NOT press on board
components.
10. To reinstall the color change PCB, align the holes in the board over the catch
pins in the color change bracket and lightly press on the board to seat it in
place. DO NOT press on board components.
color change
cover (right side)
top two screws
(color change cover)
side two screws
(color change
cover)
color change
cover (left side)
color change
PCB
side two screws
(color change
cover)
Figure 3 - 35
3 - 42 Head Section
EMC 10/4 Technical Manual Melco Embroidery Systems