Adjusting The Spreader Timing; Adjusting The Needle Racking Width (Stitch Width) - Brother DH4-B981 Instruction Manual

Electronic eyelet button holer
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9-8. Adjusting the spreader timing

When the needle is at the inside sewing position, the left spreader should touch the left spreader stopper and stop
immediately before the needle bar reaches its lowest position.
When the needle is at the outside sewing position, the right stopper should touch the right spreader stopper and stop
immediately before the needle bar reaches its lowest position.

9-9. Adjusting the needle racking width (stitch width)

The needle racking width is set to 3 mm at the time of shipment from the factory.
Needle racking width 1.5 - 3.2 mm
0967Q
1. Loosen the needle racking adjustment nut q and then adjust the needle racking width by sliding the adjustment
screw w vertically along the oval slot.
The stitch width becomes smaller as the adjustment screw w is moved upward.
1.
NOTE: If the needle racking width is changed greatly, you should re-adjust the timing between the needle and the
loopers.
(Refer to "9-2. Adjusting the needle and looper timing".)
1. Raise the machine head.
2. Loosen the screw q and the nut w, and then turn the
adjusting screw e to adjust the spreader timing.
2.
3. After adjusting, tighten the nut w and the screw q.
w
e
q
0966Q
w
q
DH4-B981
9. STANDARD ADJUSTMENTS
2 mm
Becomes smaller
Becomes larger
3 mm
0968Q
57

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