Clearance Between Needle And Tip Of Hook Rotary - ELNA Elnita ec60 Service Manual

MECHANICAL ADJUSTMENT
CLEARANCE BETWEEN NEEDLE AND TIP OF THE ROTARY HOOK
* The clearance between the needle and the point of hook should be –0.10 to +0.05 mm.
ADJUSTMENT PROCEDURE:
1. Remove the needle plate and bobbin holder. Attach the master needle. Turn the power switch on
and set the zigzag width at maximum.
2. Remove the face cover (see page 4).
3. Loosen the setscrew (A) (2 pcs.).
4. Turn the handwheel toward you. Adjust the clearance between the needle and the tip of the rotary
hook, by moving the hook base plate up or down, to within –0.10 to +0.05 mm at the left and right
needle position.
5. Tighten the setscrew (A) (2 pcs.).
6. Attach the face cover. Remove the master needle. Attach the bobbin holder and needle pate.
7. Check the clearance between the needle and the edge of the needle hole in the needle plate (see
page 10).
Needle plate
Needle bar supporter
adjusting plate
Bobbin holder
Tip of hook
–0.10 to +0.05 mm
13
Setscrew (A)