Thread Take-Up Lever Assy. Attachment - Baby Lock BLMY Service Manual

Modules
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.
Apply MOLYKOTE EM30L to the calking shaft of the
thread take-up lever assembly.
Apply MOLYKOTE EM30L to the screw attachment face
of the needle bar crack (tip of the shorter calking shaft).
1
2
Needle-presser module
Set Screw, Socket (FT)
M5X5
1.37 – 1.77 N·m
Screw, Flat
SM3.57-40X7 L
1.18 – 1.57 N·m
2
2
5
Bead
XC8385***
3
Bead
XC8385***
2
Bead
XC8385***
Torque
Torque
3
1
6
4
2 7 1
3
3 - 47