16
1. Remove the front cover (Refer to page 6-7).
2. Turn on the power switch, select the pattern " ", and set the machine at the maximum zigzag width.
3. Turn the handwheel toward you slowly with your hand until the needle start to swing. Loosen the setscrew
and turn the upper shaft shield plate in the direction of:
A: If the swing point is higher than 7.5 mm.
B: If the swing point is lower than 6.3 mm.
4. Shift the upper shaft shield plate to the left as close to the upper shaft sensor as possible.
(It should not touch the upper shaft sensor ).
5. Check the swing point by turning the handwheel, then tighten the setscrew.
6. Attach the front cover.
The needle should start to swing between 6.3 and 7.5 mm above the surface of the needle plate when the machine
is set for zigzag stitching.
Needle #14
6.3–7.5mm
Surface of the needle plate
A
B
Needle swing timing
Mechanical Adjustment
q
q
w
w
e
e
Содержание JP720
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