Clearance Between Needle And Hook - ELNA 6001 Service Manual

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The clearance between the needle and the point of hook should be –0.1 to +0.05 mm.
PREPARATION:
1. Remove the needle plate, bobbin holder, and bed cover, and replace the needle with the test
pin (D).
2. Turn the power switch on, and select pattern No.2 (simple zigzag). (maximum zigzag width)
ADJUSTMENT
1. Loosen the screws (A), (B), (C), then slightly tighten the hinge screw (C).
2. Turn the handwheel toward you, and adjust the clearance between the master needle and the
point of the hook in the left and right needle position to –0.1 to +0.05 mm by moving the hook
set plate (E) up or down.
3. Tighten the setscrews (A), (B), (C).
4. Check the backlash of the hook drive, gear and lower shaft gear. If the backlash is too great or
not enough, adjust the backlash in accordance with "to adjust the backlash of hook drive gear
and lower shaft gear".
5. Attach the bed cover, needle plate and bobbin holder, and remove the master needle.
CLEARANCE ADJUSTMENT
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