Roll systems – Maintenance Manual
50
AP-74100, Rev. 2.0, 12/01/05
4.2.2.2. Adjust the start sensor
Step 1 :
Make sure that the start sensor is not covered and the “Automatic” switch is set to “Manual”.
(Switch in the up position.)
Step 2 :
Hold (or ask someone to hold) the rear tensioning system in an approx. 30° position. (Please
refer to the section “Start sensor system”.)
Step 3 :
Switch the Rear to AUTOMATIC. (Toggle the switch down.)
¾
The “Automatic” LED will start blinking.
¾
The rear motor will start turning at the initial speed (very low!).
Step 4 :
Rotate (“upwards”) the adjustment lip carefully until the start sensor is covered. (For the
adjustment direction, please refer to the section “Sensor disc and adjustment direction”.)
¾
The “Automatic” LED will light continuously.
¾
The rear motor will start accelerating.
Step 5 :
Tighten the start screw on the adjustment lip.
Notes :
¾
If necessary during adjustment, return to the initial speed by toggling the “Automatic”
switch to manual and back.
Notes :
The stop sensor …
¾
… should be covered if the rear tensioning system is horizontal or lower. (Rear
“Automatic” LED is OFF.)
¾
… should be open if the rear tensioning system is horizontal or higher. (Rear
“Automatic” LED is blinking.)
The start sensor …
¾
… should be open if the rear tensioning system has an angle of less than approx.
30°. (Rear “Automatic” LED is blinking.)
¾
… should be covered if the rear tensioning system has an angle of more than
approx. 30°. (Rear “Automatic” LED is ON.)
Summary of Contents for Unwinder
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