Attachment Of Thread Release Lever; Attachment Of Presser Bar; Attachment Of Presser Foot Lifter - Brother XM3700 Service Manual

Application of Assembly

1-3 Attachment of Thread release lever

1. Set the thread release lever 1 and the spring
base holder assy, and then attach the retaining ring CS4 3.
*Key point
• Check that the hook of the spring is the upper side, when set it
as shown in the right figure.
Apply EPNOC AP (N) 0 to the shaft 2 of the base
holder assy.
S10

1-4 Attachment of Presser bar

1. Insert the presser bar 1 into the bottom side hole of the base holder assy,
the presser bar clamp 2, the spring 3 and the upper side hole of the base
holder assy.
2. Tighten the screw 1 temporarily.
*Key point
• Fully tighten the screw 1 after performing
Presser bar height".
1

1-5 Attachment of Presser foot lifter

1. Set the presser foot lifter 1 to the shaft 2 of the base holder assy, and then
attach the retaining ring E4 3.
*Key point
• Push the presser bar clamp 4 to the upper side, and then
attach it while pushing the bottom side of the thread release
lever 5.
Apply EPNOC AP (N) 0 to the shaft 2 of the base
holder assy.
Apply EPNOC AP (N) 0 to the operating surface of
the presser foot lifter 1 and the presser bar clamp
4.
Upper shaft, Needle bar and Presser foot unit
S10 to the shaft 2 of the
Small amount
5.0
"4-27 Adjustment:
Set Screw, Socket (CP)
M5X5
Small amount
Small amount
3 - 43
2
XC8387***
3
SPRING
XC4904***
3
4
XC8387***
XC8387***
S10
1
2 1
1
5 1
2 3