Specifications

Damaged Trimmer Cam or Trimmer Solenoid
To check for a damaged trimmer cam or trimmer solenoid, refer to the following
procedure:
1. Remove the rear bed cover of the head to expose the trimmer camming area as
seen in Figure 2-27.
2. Turn the machine power ON.
3. Go to the HEAD TIMING MENU and press to turn HEAD TIMING ON.
4. Press the and keys simultaneously to go into the "Z pos" mode. On the
display you will see: ’Z pos’ followed with a numerical indication in degrees.
5. With the 5 mm hex wrench at the right end of the Z drive shaft, slowly rotate
clockwise until the number of degrees indicated in the display reads between
280 and 300.
6. Refer to Figure 2-27 and manually engage the trimmer solenoid pin into the
trimmer cam groove by pushing the protruded end of the pin inward with a flat
bladed screw driver.
7. Hold the trimmer solenoid pin in as you continue to apply clockwise rotation to
the Z drive shaft. Rotate the shaft at least one full revolution.
Drill hole in rear of
cam. (must be facing
nearly straight upward
at embroidery head
headup position)
Engage solenoid pin
into cam groove by
pushing here with flat
bladed screw driver
trimmer
solenoid
trimmer
cam
solenoid pin end
shown engaged
in cam groove
Figure 2 - 27
2 - 32 Head Section
EMC 10/4 Technical Manual Melco Embroidery Systems