Specifications

5. Loosen the solenoid locking nut then rotate the bracket off of the solenoid.
6. Replace with new solenoid by reversing the previous procedure. Adjust the
position of the solenoid into the solenoid bracket using the "thread counts" or
measurement you obtained in that procedure (see previous NOTICE).
7. Position the jump stitch bracket back in the head against the mechanical stop.
8. Rotate clockwise with a 5 mm hex wrench in the right end of the Z drive shaft to
move the heads through at least one revolution to check that no mechanical
interference occurs.
NOTE: During installation the solenoid must be adjusted properly. If you did not
adhere to the previous NOTICE, or if for some other reason, the
adjustment for the solenoid is not correct, Refer to the Jump Stitch
Adjustment procedure in Section 2 for the proper adjustments.
Head #s 1, 2, and 3
1. Disconnect the jump stitch harness from the thread break harness at the top of
the embroidery head arm behind the thread tensioner.
2. Remove the 2 screws holding the mechanical jump stitch mechanism and cover
to the jump stitch bracket (see Figure 3-33). Remove the mechanism and cover.
3. Remove the 2 jump stitch solenoid bracket screws (see Figure 3-34), then remove
the solenoid and the solenoid bracket.
Jump Stitch Solenoid
locking nut
2 screws of the
solenoid bracket.
record solenoid
threads here
Jump Stitch
Solenoid
cover
Jump Stitch
Solenoid and
Bracket
Figure 3 - 34
3 - 40 Head Section
EMC 10/4 Technical Manual Melco Embroidery Systems