Main unit
1
Attachment of Feed module
1. Hang the timing pulley D 1 on the T belt 2.
2. Set in the lower shaft bushing 3 to the attaching part 4 of the arm bed.
3. Attach the feed module 5 to the arm bed with the 2 screws 1 and 2.
*Key point
• Check that there is the gullet 7 of the upper shaft pulley and
the reference point 8 of the outer rotary hook assy. in the
front side, when the needle bar 6 and the feed dog 9 are the
highest point.
1
2
Feed mechanism
Stud screw
M4
1.18 – 1.57 N·m
Screw, Bind
M3X12
0.78 – 1.18 N·m
3
6
Torque
Torque
8
9
2
4
1
5
1
2
7
3 - 11