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38
Switching on/off thread tensioners
Obr. 18: Switching on/off thread tensioners
①
②
(1) - Pre-tensioner
(2) - Auxiliary tensioner
Via hand lever
1. Pull the hand lever (4).
Tensioners (2) and (3) are switched off.
Pre-tensioner (1) is never switched off.
Via electromagnet
Tensioners (3) and (4) are switched off with an electromagnet at
the automatic top roller lifting. If the automatic top roller lifting at
the machine stop is pre-selected, the tensioners are switched off,
but temporarily only, so that the switching off electric magnet does
not overheat.
• Tensioners (3) and (4) are switched off temporarily during
the trimming cycle.
• Tensioners (3) and (4) are not switched off at the top roller
lifting with hand lever.
Operating Instructions 878-M PREMIUM - 02.0 - 02/2018
(3) - Primary tensioner
(4) - Lever
Operation
④
③
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