DURKOPP ADLER 869-M Premium, Service Instructions Manual

Page: 52 / 180

Position of the hook and needle
50 Service Instructions 869-M PREMIUM - 00.0 - 07/2018
Fig. 35: Setting the needle guard
5. Turn the handwheel and check how far the needle guard (2) pushes
the needle away.
6. Turn the screw (1) such that the needle guard (2) just pushes the
needle (3) far away enough so that it cannot be touched by the hook tip:
• Pushing away more strongly: turn counterclockwise
• Pushing away less strongly: turn clockwise
7. Finish the service routine.
10.4 Setting the needle bar height
Order
First, check the following settings:
• Loop stroke position ( 
p. 48
)
• A straight and undamaged needle has been inserted ( 
Operating
Instructions
)
Proper setting
Machine is locked in place at position 1 ( 
p. 25
).
The hook tip is level with the lower third of the groove on the needle.
Disturbance
Disturbances caused by an incorrect needle bar height
• Damage to the hook tip
• Jamming of the needle thread
• Missing stitches
• Thread breaking
• Needle breakage
(1) - Screw
(2) - Needle guard
(3) - Needle
③
①
②