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Operation
Operating Instructions 868-M - 01.0 - 12/2020
Cleaning the remaining thread monitor
WARNING
Risk of injury from moving, cutting and sharp
parts!
Crushing, cutting and punctures are possible.
Remove any lint form the bobbin case retainer
and the light barrier.
Do not clean the lenses of the light barriers unless
the machine is switched off.
Even the smallest remnants of fabric and yarn on its sensor will
cause the remaining thread monitor to stop working properly.
To ensure fault-free operation, you must clean the sensor of the
remaining thread monitor using compressed air at least once a
day ( p. 97).
To clean the remaining thread monitor:
1.
Switch off the machine.
2.
Clean the lenses of the light barrier using compressed air.
The machine can be switched back on.
71
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