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34
Pre-tensioner
The pre-tensioner (1) holds the thread in position if main
tensioner (3) and additional tensioner (2) are open completely.
The pre-tensioner (1) also determines the length of the initial
thread for the new seam.
To set the pre-tensioner:
1.
Turn the adjusting wheel (1).
• Short initial thread: Turn the adjusting wheel (1) clockwise
• Longer initial thread: Turn the adjusting wheel (1) counter-
clockwise
Operating Instructions 1767 - 00.0 - 12/2016
Operation
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