−
32
−
Standard Adjustment
Standard Adjustment
(15) Adjusting the upper feed eccentric shaft
(16) Adjusting the left looper
Throat plate
Eccentric
shaft pin
Setscrew
A
Setscrew
B
Eccentric
shaft
Coupling
Shaft
Center of the left
looper shaft
Setscrew
B
Holder
Setscrew
A
5 to 6 mm
Left looper
Left looper
box nut
3 to 4
mm
0.1 to 0.4 mm
120
±
1 mm