Attachment Of Lever Holder Assy; Attachment Of Reverse Sewing Lever B Assy - Brother XM3700 Service Manual

Basic of Assembly
2

Attachment of Lever holder assy

1. Set the lever holder assy 1 to the arm bed, and then secure it with the
screw 1 and the screw 2.
*Key point
• Check that there is the shaft 2 of the reverse sewing lever D
assy 3 above the shaft 4 of the pattern selecting unit assy.
• Tighten the screw 1 temporarily, fully tighten the screw 2
and fully tighten the screw 1 in this order.
2. Attach the spring
S02
rod U 6.
Lubricate the EPNOC AP(N) 0 to the shaft of the
lever holder assy 1.
→
Refer to 3 - 55 of the Assembly.
1
2
S02
3

Attachment of Reverse sewing lever B assy

1. Insert the shaft 1 of the reverse sewing lever B assy 2 to the positioning
hole of the arm bed.
2. Attach the spring S01
bracket sub assy 3.
Lubricate the EPNOC AP(N) 0 to the shaft 1 of
the arm bed side and the shaft 4 of the reverse
sewing lever B assy 2.
S01
Feed control mechanism
to the feed bracket sub assy 5 and the connecting
Taptite, Bind S
M4X10
30.2
SPRING EXTENSION C
7
to the reverse sewing lever B assy 2 and the feed
23.8
6.4
2 - 38
2
3mm dia. ball
2
4
XE9262***
2
3mm dia. ball
1
SPRING
XA8111***
S02
1 5 6
1
3
6
S01
3
4
3
S01 2