Specifications

Needle Case Removal
It may become necessary to remove the needle case from the front of the head to
replace the needle bar driver, take up lever gear, needle bar reciprocator, or other
associated parts. Refer to the following steps and Figures 3-27 and 3-28 to remove
the needle case from embroidery head.
Head #4
1. Turn ON the EMC 10/4 and bring the head to the HEADUP position.
2. Turn OFF the EMC 10/4 and disconnect the power cord from its power source.
3. Refer to the procedure for removing the thread tensioner assembly and remove it
as described in the procedure.
4. Position the needle case to mid-point (needle 5 or 6), then secure the bearing
retainer plate assembly from sliding left or right by placing any workable
clamping devise onto each end of the V-rail.
5. Remove the 2 screws holding the upper needle case cover plate and set the
cover plate aside.
Caution! You must remove the needle position LED sensor interrupter blade to
avoid damage to the LEDs on the color change PCB.
6. Remove one and loosen the other of the 2 screws that hold the sensor
interrupter blade to the top of the needle case (see Figure 3-28). Carefully slide
the blade out from between the LEDs under the color change PCB.
7. Hold the needle case securely with one hand while you remove the 4 socket
head cap screws that secure the needle case to the bearing retainer plate
assembly near the top of the needle case (see Figure 3-28).
8. Lift the needle case slightly to disengage the lower rail from the lower rail
retainer coming from the bottom of the embroidery head arm.
9. The needle case will now be free to remove from the the head.
Using care not to damage any components, set the needle case aside.
Head #s 1, 2, and 3
1. Turn ON the EMC 10/4 and bring the head to the HEADUP position.
2. Turn OFF the EMC 10/4 and disconnect the power cord from its power source.
Needle Case Removal 3 - 31
110305-01, Rev A 3. Mechanical Disassembly