−
30
−
(23) Adjusting the amount of oil in the hook (LZ-2290SS/-7, LZ-2290SU/-7)
Standard Adjustment
(24) Adjusting the thread trimming unit
Standard Adjustment
Race surface
Approx. 1.5 mm
Appropriate amount
of oil (large)
Race surface
Approx. 0.5 mm
Appropriate amount
of oil (small)
Oil splash on a sheet of paper while
the machine is operating for 5
seconds (4,000 rpm)
Decrease Increase
3
Slide plate
1
Counter knife
2
Moving knife
(39)
(Frontmost)
5
Screw
4
Clamp plate
6
Moving knife pin
(34
±
0.5)
1
