DURKOPP ADLER 867 Durkopp Adler

Operation
Operating Instructions 867 - 04.0 - 03/2018 47
4.8.2 Removing blocking of the needle thread tension
Machines with blockable adjusters are used especially in the
automotive sector. With these machines the blocking must be
removed before additional tensioner and main tensioner can be
adjusted.
Fig. 21: Removing blocking of the needle thread tension
To remove the blocking of the needle thread tension:
1. Loosen the fastening screws (1).
2. Remove the retaining plates (2).
3. Set the needle thread tension ( p. 43).
4. Place the retaining plates (2).
5. Tighten the fastening screws (1).
4.8.3 Opening the needle thread tension
• ECO machines
The needle thread tension is automatically opened when the
sewing feet are lifted via the knee lever ( p. 51).
• CLASSIC machines
When the thread is cut, the needle thread tension is opened
automatically ( p. 52).
(1) - Fastening screws (2) - Retaining plates
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DURKOPP ADLER 867 Specifications

General

Stitch Type	Lockstitch
Max Stitch Length	12 mm
Needle System	134-35
Needle Thread Tension	Adjustable
Lubrication	Automatic
Type	Industrial Sewing Machine
Max Sewing Speed	3000 stitches per minute
Presser Foot Lift	20 mm
Power Requirements	230V/50Hz