Clearance Between Needle And Upper Looper - Janome 134D Service Manual

CLEARANCE BETWEEN NEEDLE AND UPPER LOOPER

When the upper looper (A) meets with needle (B), the clearance (D) should be:
- 0.1 to +0.15mm (-1/256 to +3/512") at the needle on the left.
- 0.2 to +0.05mm (-1/128 to +1/512") at the needle on the right.
TO ADJUST
1. Turn the hand wheel toward you with your hand to bring the needle just behind the upper
looper (A) in downward travel.
2. Loosen the set screw (C), and adjust the clearance between the both needles and upper
looper (A).
3. Tighten the set screw (C).
4. Check the clearance between the loopers. (Refer to page 25.)
5. Check the upper looper position after the adjustment. (Refer to page 23.)
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