Brother NV4000D Service Manual page 229

Module
3
Rack ASSY assembly
1. Align the rack 1 with the slider 2, and then temporarily tighten the screw
1 in the center screw hole.
*Key point
• Position the rack with the gear on the upper side.
• Position the slider with the trigger plate 3 on the upper side.
2. Tighten the screw 2 in the right screw hole.
3. Tighten the screw 1 in the left screw hole, and then fully tighten the screw
1 in the center screw hole.
1
2
Needle thread module
Screw, Pan (S/P washer)
M3X8
0.58 – 0.78 N
Color; Silver
Screw, Pan (S/P washer)
M3X10
0.58 – 0.78 N
Color; Silver
1
Torque
·
m
Torque
·
m
3
1 2 2
3 - 97