Feed Dog Height Adjustment - Brother CS8000 Series Service Manual

Adjustment (Modules)
1. Turn lower shaft B, and bring the feed dog to its highest position (D cut of the lower shaft B facing up).
2. Loosen the M5 nut.
3. Adjust the feed dog height so that it is 0.9 – 1.1 mm from the upper surface of needle plate A by the amount the
vertical feed adjuster assembly is screwed in.
4. Tighten the M5 nut being careful that the vertical feed adjuster assembly does not turn.
5. With the feed dog in the lowest position, check that the feed dog is 0.3 mm or more below the upper surface of
needle plate.
NOTE • When the feed dog is too high, problems such as abnormal noise, bad feed quantities and the cloth not being
fed arise.
• When the feed dog is too low, problems such as bad feed quantities and the cloth not being fed arise.
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Feed dog height adjustment

M5 Nut
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Uppermost point for feed dog
Needle plate surface
Topmost point for feed dog
Needle plate surface
0.9 - 1.1mm
0.3mm or greater