Feed Dog Height - Brother XM3700 Service Manual

Adjustment
[Standard]
When the feed dog is its highest position, the feed dog height from the surface of the
needle plate should be 1 ±0.1 mm (0.9 to 1.1 mm).
When the feed dog is its lowest position, the feed dog is 0.3 mm or more lower than the
surface of the needle plate.
[Adjustment]
1. Remove the presser foot.
2. When the needle plate assy is removed, attach the needle plate assy.
3. Turn the pulley by hand and move the feed dog to its highest position.
4. Insert the hex wrench into the hole of the needle plate, and adjust the feed dog height from the surface of the
needle plate by turning the screw 1.
*Key point
• Loosen the screw
• Tighten the screw
1
[Confirmation]
When lower the feed dog by turning the pulley by hand, check that the feed dog is lower than the surface of the
needle plate.
XC2278001
Feed dog highest position
Needle plate
surface
1 0.1 mm (0.9 - 1.1 mm)
Feed dog lowest position
Needle plate
surface

Feed dog height

. (turn to the direction of "a") → The feed dog is lowered.
1
. (turn to the direction of "b") → The feed dog is raised.
1
Set Screw, Socket (FT)
M4X17
Feed dog height gauge
Needle plate
0.3 mm or greater
4 - 26
Hex wrench
2 mm
A (10 : 1)
A
1.5 mm 17.2 mm 1.5 mm
20.2 mm
1
Feed dog
height gauge