Brother International RH-981A Instruction Manual - English - Page 67

Adjusting the spreader timing, 9-9. Adjusting the needle racking width (stitch width)

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9. STANDARD ADJUSTMENTS 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. 1. Raise the machine head. 2. Loosen the screw (1) and the nut (2), and then turn the adjusting screw (3) to adjust the spreader timing. 3. After adjusting, tighten the nut (2) and the screw (1). 3087Q 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. Becomes smaller Becomes larger 0967Q Needle racking width 1.5 - 3.2 mm 3088Q Loosen the needle racking adjustment nut (1) and then adjust the needle racking width by sliding the adjustment screw (2) vertically along the oval slot. The stitch width becomes smaller as the adjustment screw (2) is moved upward. 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".) RH-981A 60

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9. STANDARD ADJUSTMENTS
RH-981A
60
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.
1. Raise the machine head.
2. Loosen the screw (1) and the nut (2), and then turn
the adjusting screw (3) to adjust the spreader timing.
3. After adjusting, tighten the nut (2) and the screw (1).
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.
Loosen the needle racking adjustment nut (1) and then adjust the needle racking width by sliding the adjustment
screw (2) vertically along the oval slot.
The stitch width becomes smaller as the adjustment screw (2) is moved upward.
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".)
3087Q
0967Q
3088Q
Needle racking width 1.5 - 3.2 mm
Becomes smaller
Becomes larger