Download Melco EMT 10/4T Specifications

Hook Replacement
3 - 41
Rotary Hook
Hook Replacement
This procedure includes steps for setting hook timing during the hook installation
process. After completing this procedure, hook timing adjustments are complete
and there is no need to refer to any further hook timing procedure.
If you are not replacing the hook but wish to check and adjust hook timing only,
refer to that section later in this manual.
1. Move the the table top to the lower position, or remove it and set it aside.
2. Remove the needle plate, both rotary hook covers, and the bobbin case.
3. With the machine ON and ready for operation, press
to switch to the
Service/Maintenance Menu. Then press
at the peripheral keyboard until
the LCD displays HEAD TIMING MENU.
4. Press
and the LCD displays HEAD
TIMING ON.
5. Press
keys. The head rotates
to the ‘‘Head Up’’ position and the
LCD displays GO TO HEADUP 110.0.
loosen
this
screw
6. Locate the screw that is visible on the
right side of the hook assembly as
shown in Figure 3-35. Loosen this
screw one or two turns.
7. Press the
key 6 times until the
second hook screw is visible, also as
shown in Figure 3-35. Loosen this
screw one or two turns.
RIGHT SIDE OF HOOK ASSEMBLY
Figure 3 - 35
8. Press
6 more times and another screw will become visible. This screw will be
protruding more from a flat surface than the previous two screws. Loosen this
screw one or two turns. The hook assembly is now free on the shaft.
9. Remove the two screws holding the UTC assembly; and allow it to suspend from
its cable off the right rear edge of the needle plate bracket.
10. Remove the rotary hook assembly for cleaning and reinstallation, or for replacing
with a new one.
11. Press the
110279-01, Rev B
keys to again rotate the head to Head Up.
3. Embroidery Head Maintenance