3. Embroidery Head Maintenance
General
This section of the manual provides parts replacement procedures and various
adjustments required during repair maintenance of the embroidery head only.
Information for service maintenance on the rest of the machine is located in Section
2 of this manual. Accessory adjustment information is located in Section 4.
These procedures are guidelines for performing repairs and must be used by
personnel practicing good maintenance and repair techniques. Refer to the
Maintenance Philosophy topics in Section 1 of this manual for discussion of good
maintenance and repair techniques, including concerns with static electricity.
WARNING! Failure to practice good maintenance and repair
technique may result in injury to personnel performing the
work, and damage to the equipment!
NOTE:The Warranty is exclusive of, and may be VOID if, poor maintenance practices
have caused damage to the equipment.
Arm and Bed Assembly
The arm and bed assembly provides a stable embroidery head platform. All other
components of the embroidery head are attached to this assembly.
Inside the arm and bed assembly are the shafts, belts, and pulleys that drive the
needle and rotary hook. Attached to the outside of the arm and bed assembly are
the Z drive motor, needles case, and thread saddle.
Thread Saddle
Removal
The thread saddle is easily removed to gain access to various portions of the top of
the embroidery head. The following provides removal and reinstallation information.
1. Refer to Figure 3-1 and remove the two M4 x 12mm screws that secure the front
of the thread saddle to the top of the needle case.
2. Refer to Figure 3-1 and remove the two M4 x 20mm screws that secure the rear
of the thread saddle to the top of the embroidery head.
3. Lift the thread saddle off the top of the embroidery head.
4. To install the thread saddle, refer to Figure 3-2 and reverse the previous steps.
Note that two different lengths of screws are used to attach the thread saddle
at the front and rear.
Removal
3 - 1
110344-01, Rev B
3. Embroidery Head Maintenance