Attachment Of Needle Bar Assy N; Attachment Of Spring - Brother XM3700 Service Manual

Application of Assembly

1-11 Attachment of Needle bar assy N

1. Tighten the needle clamp screw 1 to the needle block 1 of the needle bar
assy N 2.
2. Set the needle bar block 3 to the needle thread position setter 4 with the
screw 2.
3. Inset the needle bar assy N 2 into the bottom side hole of the needle bar
supporter assy 5, the needle thread position setter 4 and the upper side
hole of the needle bar supporter assy 5, and then tighten the screw 3
temporarily.
*Key point
• Fully tighten the screw 3 after performing
Needle bar height".
1
2
3

1-12 Attachment of Spring

1. Set the spring S08 to the tab of the base holder assy 1, and then hang the
shorter hook side of the spring on the notch part 2 of the base holder assy
1, and hang the longer hook side of the spring on the groove part 3 of the
needle bar supporter assy.
S08
Upper shaft, Needle bar and Presser foot unit
"4-21 Adjustment:
Needle Clamp Screw
Screw, Bind
M2.6X4
Set Screw, Socket (FT)
M4X4
7
3 - 47
2
3
2
2 5
3
1
SPRING
XE9141***
2
S08
1 1
4
4
3