Fig. 13: Light barrier sensor disks
(1) - Thread trimmer sensor disk
4.2 Adjusting the left and right switching flags
The switching flags are used as reference by the control unit for the posi-
tion of the clamps in an X and Y-direction.
Checking the correct setting
The clamps are centered in both an X and Y-direction.
Faults caused by an incorrect setting
• Damage to the needle
• Incorrect needle position
Cover
• Remove the right-hand side cover ( S. 14).
• Remove the left-hand side cover ( S. 15).
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Adjusting the light barriers
(2) - Thread wiper and fabric clamp sensor
disk
Service Instructions 512-211-01/532-211-01 - 00.0 - 06/2016
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