Front/Back And Left/Right Position Of Feed Dog Adjustment - Brother NV4000D Service Manual

Adjustment
1. Select test mode "6".
2. Select the key. (Set the feed to "0" and the feed dog to center.)
3. Loosen the 2 screws (bind, M3X8), temporarily attach needle plate A, and adjust the front/back and left/right right
positions of the feed dog.
*Key point
• Adjust the clearance between the forward edge of the feed dog middle tooth and needle plate A to 3.2 to 3.8 mm.
• Adjust the clearance (left/right) between the feed dog and needle plate A to be equal.
• Do not allow the feed dog to engage needle plate A at an angle.
4. Secure the feed dog with 2 screws (bind, M3x8).
5. Fully tighten the M4 screws to secure needle plate A.
a
Bind, M3x8

Front/back and left/right position of feed dog adjustment

Parallel
3.2-3.8mm
b a=b
Bind, M3x8
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