Melco EMT 10T Specifications download pdf (Page 80)

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.

6. Locate the screw that is visible on the

right side of the hook assembly as

shown in Figure 3-32. 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 3-32. Loosen this

screw one or two turns.

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 keys to again rotate the head to Head Up.

loosen

this

screw

RIGHT SIDE OF HOOK ASSEMBLY

Figure 3 - 32

3 - 36 Rotary Hook

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Melco EMT 10T Specifications Page 80