Dürkopp Adler 868-M, Operating Instructions Manual

Page: 53 / 168

Operation
Operating Instructions 868-M - 01.0 - 12/2020 51
4.8.2 Opening the needle thread tension
• ECO machines:
Main tensioner and additional tensioner are automatically
opened when the sewing feet are lifted (

p. 61 ).
• CLASSIC machines:
On CLASSIC machines with thread cutter, the needle thread
tension is opened automatically when the thread is cut.
4.8.3 Switching on and off the additional tensioner
On machines without thread cutter, the additional tensioner is
switched on and off mechanically.
Fig. 32: Switching on and off the additional tensioner
To switch the additional tensioner on:
1. Push the lever (2) on the handle (1) to the right.
To switch the additional tensioner off:
1. Push the lever (2) on the handle (1) to the left.
Information
On machines with thread cutter, the additional tensioner is switched
on and off with the press of a button housed in the push button panel.
(1) - Handle (2) - Lever
②
①