Novexx Solutions ALS 20 series User Manual

Contents

Novexx Solutions ALS 20 series User Manual Manual pdf 53 page image

User Manual ALS 20x/256/27207/2017 | 00 53 Before operationPositioning the label sensor Release the thumb screw [53B]. Position the sensor along the axle in such a way asto allow it to register the spaces between the labels.The LEDs [53A] light up when the sensor ispositioned over a gap.Setting the dancer arm restoring forceThe unwinder dancer arm is preset in a way, that a widerange of label materials can be processed whithouthaving to change the dancer arms restoring force.Even so, very narrow label material can under certaincircumstances tear off or expand in a way which resultsin poor labelling precision. In those cases, the restoringforce must be decreased.Tool: 2.5 mm hex socket screwdriver Turn the adjusting screw [54A] on the dancer armleft to increase restoring force. Turn the adjusting screw [54A] on the dancer armright to decrease restoring force.A service technician can restore the factory set-ting, see service manual chap. 9.4.3 section„Adjusting restoring force of dancer arm“.If the problem still occurs, although the restoring forceis already set to a minimum, there is the option of build-ing in some weaker springs.The springs must be built in by a qualified ser-vice technician. Instructions can be found in theservice manual, chap. 9.4.3 section "Replacingdancer arm springs", „Narrow label kit“.[53]] Label sensor at the fixed L-shape dispensing edge.AB A[54]] Setting screw (A) at the unwinder dancer arm.A