Needle Down Position Adjustment - promelectroavtomat ULT2003D Service Manual

4.

NEEDLE DOWN POSITION ADJUSTMENT

STANDARD
When test mode "4" is selected, the needle should be exactly at the middle of the needle plate hole in the needle
down position.
ADJUSTMENT
1. Select test mode "4".
2. Turn the balance wheel to move the needle to the needle down position.
3. Loosen the screw securing the zigzag connecting rod assembly.
4. Press the keys on the display to move the needle to the left and right, and then turn the zigzag adjusting nut
by using the box wrench to set the needle in the center of the needle hole.
5. Tighten the screw securing the zigzag connecting rod assembly.
6. Press the keys on the display to move the needle to the left and right and check the needle down position.
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