JUKI DU-1481 Series Instruction Manual page 16

Solenoid
4 to 5 mm
valve link a
❷
❸
0.5 mm
Lowest
point
0.5 to 1.0 mm
0.6 mm
❷
Solenoid
Nut Ⓐ
valve mount-
ing screw
❶
– 14 –
4. Installing the thread trimming device
1) Adjusting the operating quantity of the thread
trimming solenoid
A. The operating quantity of the thread trim-
ming solenoid is 4 to 5 mm.
B. The operating quantity of the thread trim-
ming solenoid is adjusted by adjusting nut
Ⓐ .
2) Adjusting the installation of the thread trimming
solenoid
A. A 0.5 mm clearance is provided between
thread trimming cam crank, left ❸ and
thread trimming cam crank, right ❷ in the
case the thread trimming solenoid is op-
erated in the aforementioned conditions.
(Standard installation position)
B. To adjust the thread trimming solenoid,
push the cylinder portion of thread trimming
solenoid in the direction of the arrow as
shown in the figure.
5. Installing the thread trimming cam
1) Bring the thread take-up lever to its lowest
point as shown in the figure.
2) Turn thread trimming cam ❶ clockwise
while keeping the cylinder of thread trimming
solenoid held pushed, until thread trimming
cam ❶ comes in contact with the roller. At this
position, tighten the screw.
3) When the cylinder of thread trimming solenoid
is no longer pushed, the right-thread cam
crank returns to its home position. Adjust so
that a clearance of 0.5 to 1.0 mm is provided
between thread trimming cam ❶ and the
roller. (Standard installation position)