JUKI MOL-254 Engineer's Manual page 95

Adjustment Procedures
1. Turn ON the power and supply air to the machine.
2. Pressing the standard screen key, press ten key "0" to
enter the adjustment screen.
3. Make "BK" screen flashing with the cursor key and input
ten key 8, further press the screen changeover key to enter
the check program screen.
4. Input ten key 19. Then, the state of the loop cut cylinder
sensor is displayed ON/OFF.
(Lamp of the sensor also displays ON/OFF.)
5. Loosen fixing screw
sensor.
6. Press No. 1 button of the solenoid valve on the device
side to drive the loop cut cylinder to lower the cylinder to
the lowest position of its stroke while gradually moving
the sensor from the upper side to the lower side. Then, fix
the sensor at the position where the display of state is
changed over from OFF to ON.
(Caution) When pressing the No. 1 button of the solenoid
valve, the loop cut knife is actuated. Do not
place your hand under the loop cut knife.
of the loop cut cylinder position
88
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Results of Improper Adjustment
○ A d j u s t m e n t o f t h e s e n s o r
position will affect the cycle time.
○ When the sensor detects the
cylinder before the loop cut
cylinder is in the lowest position
of its stroke, it will cause the belt
loop not to be surely cut.