Specifications

3. Remove the thread tensioner bracket assembly as described in a previous
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.
6. 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.
7. Lift the needle case slightly to disengage the lower rail from the lower rail
retainer coming from the bottom of the embroidery head arm.
8. The needle case will now be free to remove from the head.
Using care not to damage any components, set the needle case aside.
Installing Needle Case
To reattach the needle cases refer to Figures 3-27, 3-28, and 3-29 and the
following procedure:
Head #4
1. Insure the following conditions are set:
a) The cross roller bearing is properly installed and centered. Refer to Section 2
of this manual for adjustment procedure.
b) The retainer plate assembly bearings are properly adjusted. Refer to Section
2 of this manual for adjustment procedure.
c) The bearing retainer plate assembly is clamped from moving left or right by
a clamping device on each end of the V-rail.
d) The head is at its mechanical "headup" position.
e) The color change cam is in position for a selected needle (preferably needle
#5 or #6).
2. Refer to Figure 3-28 and insert the needle case lower rail into the lower rail
retainer. Insure the grabber blade fits into the grabber bar assembly at the
bottom of the needle case.
Installing Needle Case 3 - 33
110305-01, Rev A 3. Mechanical Disassembly