DURKOPP ADLER 867 Durkopp Adler

Troubleshooting
Operating Instructions 867 - 04.0 - 03/2018 147
10.3 Errors in sewing process
Error Possible causes Remedial action
Unthreading
at seam
beginning
Needle thread tension is
too firm
Check needle thread
tension  p. 44
Thread
breaking
Needle thread and hook
thread have not been
threaded correctly
Check threading path
 p. 27
Needle is bent or sharp-
edged
Replace the needle
 p. 21
Needle is not inserted
correctly into the needle
bar
Insert the needle correctly
into the needle bar
 p. 21
The thread used is
unsuitable
Use recommended thread
 p. 149
Thread tensions are too
tight for the thread used
Check thread tensions
 p. 43
Thread-guiding parts, such
as thread tube, thread
guide or thread take-up
disk, are sharp-edged
Check threading path
 p. 27
Throat plate, hook or
spread have been
damaged by the needle
Have parts reworked by
qualified specialists

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