Brother AE2700, Service Manual

Page: 115 / 205

3 - 43
Upper shaft, Needle bar and Presser foot unit Application of Assembly
Application Application
1-3 Attachment of Thread release lever
1. Set the thread release lever
1
and the spring to the shaft
2
of the
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.
Small amount
XC8387***
S10
1
S10
3
2
S10
SPRING
XC4904***
5.0
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 "4-27 Adjustment:
Presser bar height" .
1
2
1
1 3
Set Screw, Socket (CP)
M5X5
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.
Small amount
XC8387***
Apply EPNOC AP (N) 0 to the operating surface of
the presser foot lifter
1
and the presser bar clamp
4
.
Small amount
XC8387***
5
2
4
3
1