Left And Right Balance Of The Needle Clearance - promelectroavtomat XL2120 Service Manual

Adjustment

6. Left and Right Balance of the Needle Clearance

• Needle clearance in the down position along the left and right reference lines shall be equally balanced in the
forward and backward directions with reference to the needle hole of the needle plate A.
1 Attach a J presser foot, lower the presser lever, and attach a cover.
2 Turn the pulley by hand to insert the tip of the needle into the needle hole.
3 Loosen the Bolt, socket M 3 × 6.
4 Adjust the needle bar supporter stud holder left or right so that the needle clearance in the down position
along the left and right reference lines shall be equally balanced in the forward and backward directions with
reference to the needle hole of the needle plate A.
5 Tighten the Bolt, socket M 3 × 6, complete with a washer.
a
3 - 6
b
a=b
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