MECHANICAL ADJUSTMENT
NEEDLE TO ROTARY HOOK TIMING
With the needle bar swing to the left at the maximum zigzag width, the amount of ascending
travel of the needle bar from its lower position (H) to the position where the tip of the rotary
hook (F) exactly meets the right side of the needle should be 3.15 to 3.45mm (G).
Before the adjustment, be sure to check the needle bar height.
1. Select pattern No. 3 and set the zigzag width at ”6.5”.
2. Remove screw (A) to remove the needle plate (B) and bobbin holder (C).
3. Remove the bed cover (See page 6).
4. Loosen set screws (D) on the lower shaft gear (E).
5. Turn the hand wheel toward you to raise the needle bar 3.15 to 3.45mm from its lowest
position with the needle swing to the left.
6. While holding the hand wheel by hand to prevent the needle bar from moving, turn the
lower shaft gear in the arrow direction until the tip of the rotary hook exactly meets the
right side of the needle.
7. Tighten the set screws on the lower shaft gear.
8. Attach the bed cover, bobbin holder and needle plate.
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Summary of Contents for DE 5024
Page 1: ...SERVICING MANUAL DE 5024...
Page 29: ...2 7 WIRING OF MACHINE SOCKET...
