Setting The Needle Bar Height - DURKOPP ADLER M-TYPE 667 Service Instructions Manual

Position of the hook and needle

10.3 Setting the needle bar height

Order
First, check the following settings:
• Loop stroke position ( p. 49)
• A straight and undamaged needle must be inserted
Proper setting
Machine locked in place at position 1 and upper stitch length adjusting
wheel set to 0.
 The hook tip is level with the lower third of the groove on the needle.
Disturbances caused by an incorrect needle bar height
• Damage to the hook tip
• Jamming of the needle thread
• Missing stitches
• Thread breaking
• Needle breakage
Cover
• Head cover ( p. 12)
Fig. 33: Setting the needle bar height
(1) - Needle bar
(2) - Screw
To set the needle bar height:
1. Lock the machine in place at position 1 ( p. 16).
2. Position the upper stitch length adjusting wheel to 0.
Service Instructions 667 - 00.0 - 04/2016
WARNING
Risk of injury from sharp and moving parts!
Crushing and puncture possible.
Switch off the machine before you check and set
the needle bar height.
( Operating Instructions, chapter Inserting and replacing the needle)
(3) - Needle groove
(4) - Hook tip
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