Baby Lock BLMY, Service Manual

Page: 126 / 226

3 - 47
Needle-presser module Modules
Assembly
12
Thread take-up lever assy. attachment
1. Apply a bead of MOLYKOTE EM30L to the 2 calking shafts of the needle
bar crank
1
.
2. Apply a bead of MOLYKOTE EM30L to the calking shaft of the thread
take-up lever assembly
2
.
3. Insert the needle bar crank
3
rod (end with the larger diameter) into the
calking shaft (longer) of the needle bar crank
1
.
4. Apply a bead of MOLYKOTE EM30L to the screw attachment face of the
needle bar crack
1
(tip of the shorter calking shaft).
5. Insert the calking shaft (longer) of the needle bar crank
3
into the thread
take-up counter weight
4
.
*Key point
• Align the D-cut face
5
of the needle bar crank calking shaft
with the screw hole 6 on the thread take-up counter weight.
6. Fully tighten the 2 screws
1
temporarily attached to the thread take-up
counter weight
4
.
7. Insert the calking shaft of the thread take-up lever assembly
2
into the
shaft hole on the thread take-up lever link
7
.
8. Insert the calking shaft (shorter) of the needle bar crank
1
into the shaft
hole on the thread take-up lever assembly
2
, and then tighten the screw
2
.
*Key point
• The screw
2
has a reverse helical flute thread.
Apply MOLYKOTE EM30L to the 2 calking shafts of the
needle bar crank. Bead
XC8385***
Apply MOLYKOTE EM30L to the calking shaft of the
thread take-up lever assembly. Bead
XC8385***
Apply MOLYKOTE EM30L to the screw attachment face
of the needle bar crack (tip of the shorter calking shaft). Bead
XC8385***
1
Torque
1.37 – 1.77 N·m
2
Torque
1.18 – 1.57 N·m
2
3 2
1
3
3
5 6
7 2 1 2
4
Set Screw, Socket (FT)
M5X5
Screw, Flat
SM3.57-40X7 L