DURKOPP ADLER 969 Classic, Service Instructions Manual

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Position of the hook and needle
Service Instructions 969 - 06.0 - 03/2019 59
3. Select the appropriate distance piece for the needle thickness used.
Distance pieces are contained in the accessory pack for the machine.
4. Insert distance piece (3) and loop former (2).
5. Tighten the screws (1).
10.7 Setting the needle bar height
Order
First, check the following settings:
• Loop stroke position ( 
p. 54
)
• A straight and undamaged needle has to be inserted ( 
Operating
Instructions
)
Proper setting
The machine is locked in place at position 1 , and the upper stitch length
adjusting wheel is set to 0 .
 The hook tip is level with the lower third of the groove on the needle.
Disturbance
• Damage to the hook tip
• Jamming of the needle thread
• Missing stitches
• Thread breaking
• Needle breakage
Cover
• Remove the head cover ( 
p. 16
)
Fig. 45: Setting the needle bar height
To set the needle bar height:
1. Lock the machine in place at position 1 .
2. Set the upper stitch length adjusting wheel to 0 .
3. Loosen the screw (1).
(1) - Screw
(2) - Needle bar
(3) - Hook tip
(4) - Groove
③
④ ①
②