Thread Tension Opening - Duerkopp Adler 975-1-5 Service Instructions Manual

2.7 Thread Tension Opening

1
The thread tension opening occurs during the trimming sequence via
the magnet in the head cover or manually by pressing the pin 1.
Caution Risk of Injury !
Turn the main switch off.
Set the thread tension opening only with the sewing unit turned off.
Conduct a function test only with the greatest possible caution.
–
Loosen screw 3.
–
Displace the thread tension unit 2 axially.
With pin 1 pressed in the thread must be able to be manually
pulled unhindered through the opened tension.
–
Tighten screw 3 again.
Function test
–
Turn the main switch on.
–
Set the program switch to 64 and press the " STOP " key.
Set the program switch to 9.
–
Press the " O " key.
The tread tension unit is opened by the magnet.
The thread must be able to be manually pulled unhindered through
the opened tension.
2
3
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