Attachment Of Shaft Assy - Brother NV-10A Service Manual

Modules
15

Attachment of Shaft assy.

1. Attach the needle holder block 1 to the needle roller 2 of the needle bar
supporter assy.
*Key point
• Flat surface of the needle holder block 1 is the lower side.
2. Attach the shaft assy. 3 to the needle holder block 1 and the base holder
assy., and then tighten the screw 1 temporarily.
*Key point
• Fully tighten the screw after performing "4-13 Adjustment of
Needle interference left / right".
Apply EPNOC AP (N) 0 to the needle roller.
Apply EPNOC AP (N) 0 to the shaft of the shaft
assy.
1
16
Attachment of Needle bar assy.
1. Insert the needle bar supporter assy., the needle bar block 2, the needle
thread block 3 and the needle bar supporter assy. from the lower side of
the needle bar assy. 1, and then tighten the 2 screws 1 temporarily.
*Key point
• When the needle thread block 3 is viewed from the front, it is
secured in a position turned slightly counterclockwise.
• Fully tighten the screw after performing "4-12 Adjustment of
Needle bar height" and "4-14 Adjustment of Needle thread
block".
Lubricate the needle bar crank joint area with
MOLYKOTE (OILER 90% + MOLYKOTE M
DISPERSION).
Apply EPNOC AP (N) 0 to the sliding pin part of
the needle thread block.
Lubricate the needle bar supporter assy. needle
operating area with OILER.
1
Needle-presser module
Screw
M3X10
0.78 – 1.18 N·m
Set Screw, Socket (FT)
0.78 – 1.18 N·m
M4X4
2
Bead
XC8387***
Bead
XC8387***
Torque
1
1-2 drops
Bead
1-2 drops
Torque
1
3
1
3 1
1 2
3 - 50