MUTOH Unwinder, Maintenance Manual

Page: 40 / 101

Roll systems – Maintenance Manual
40
AP-74100, Rev. 2.0, 12/01/05
4.1.2. Adjust the sensors of the front tensioning bar
To adjust the sensors of the front tensioning system, please follow the instructions mentioned below.
Notes :
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To adjust the sensors, loosen the set screws on the adjustment lip, rotate the sensor
disc to the correct position and tighten the set screws. (Please refer to the section
“Sensor disc and adjustment direction”.)
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All front tensioning bar angles are compared to the vertical plane.
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First adjust the stop sensor, then the start sensor.
4.1.2.1. Adjust the stop sensor.
Step 1 :
Make sure that the start sensor is not covered while adjusting the stop sensor.
Step 2 :
Hold (or ask someone to hold) the front tensioning system in the 12° position. (Please see to the
angle markings on the front tensioning system. Please refer to the section “Angle mark front
tensioning system”.)
Step 3 :
Make sure that the stop sensor is not covered.
Step 4 :
Switch the Front to AUTOMATIC. (Toggle the switch down.)
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The “Automatic” LED will start blinking.
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The front motor will start turning at the initial speed (very low!).
Step 5 :
Rotate (“downwards”) the adjustment lip carefully until the stop sensor is covered. (For the
adjustment direction, please refer to the section “Sensor disc and adjustment direction”.)
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The “Automatic” LED will stop blinking.
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The front motor will stop turning.
1 = Rear stop adjustment direction 2 = Rear start adjustment direction
3 = Front stop adjustment direction 4 = Front start adjustment direction
Step 6 :
Tighten the stop screws on the adjustment lip.