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6.2.3) Adjustment of Eccentric Part of Thread
Take-up Lever Crank Shaft
1) Disassemble the face plate from the machine, and
remove the tightening screw
①
of the thread take-up
lever crank shaft.
2) Loosen the fixing screw
②
of the thread take-up
crank shaft, which is on the left side of the arm.
3) Spin the thread take-up crank shaft
③
to locate the
eccentric part headed upward, and adjust it to be in
parallel with the driver groove.
4) Fasten the fixing screw
②
of the thread take-up lever
crank shaft, which is located on the left side of the
arm, and assemble the tightening screw
①
of the
thread take-up crank shaft again.
③
②
①
6.3) Adjustment of Lower Shaft Gear and Oscillating Shaft (BS : Semi-rotary)
－
Loosen tightening screws
①
,
②
, and
③
.
－
Rotate the upper shaft and move the oscillating gear in the arrow direction to find the position where the gear can
smoothly operate without any load.
－
Attach the oscillating shaft collar (right) to the bed face
and fasten the collar screw
②
.
－
Turn the oscillating shaft collar (right) in the arrow direction, while it is closely attached to the bed face , to find the
place where the roll driver can smoothly rotate with the backlash of 0.1mm or below.
③
②
①
Backlash: 0.1mm or below
Oscillating Shaft
Collar (right)
1) If the oscillating gear is not properly positioned, the machine may not operate.
2) If the backlash is excessive, the machine might cause increasing noises during operation. If the
backlash is too small, the machine might not operate.
Caution
