DURKOPP ADLER M-TYPE 667 Service Instructions Manual page 33

Setting the stitch length adjusting wheels
To set the lower stitch length adjusting wheel:
1. Position the upper stitch length adjusting wheel (2) > 3.
2. Switch the machine to short stitch length.
 The button for the stitch length (1) does not light up.
Fig. 19: Setting the lower stitch length adjusting wheel (2)
(1) - Upper stitch length adjusting wheel
(2) - Screw
(3) - Lower stitch length adjusting wheel
(4) - Adjusting mark
3. Hold the lower stitch length adjusting wheel (3) in place using the
4. Loosen the screw (2).
5. Remove the lower stitch length adjusting wheel (3) from the shaft (5).
6. Carefully turn shaft (5) clockwise with a size 10 wrench until you feel
7. Carefully turn shaft (5) counterclockwise with a size 10 wrench until
8. As soon as the frame stops moving: Remove the wrench from the
9. Turn the scale (6) so that the 0 is exactly next to the adjusting mark (4).
10. Place the lower stitch length adjusting wheel (3) onto the shaft (5) and
11. Tighten the lower stitch length adjusting wheel (3) using screw (2).
Service Instructions 667 - 00.0 - 04/2016
If the button lights up, press button (1) again.
①
②
③
wrench (7).
NOTICE
Property damage may occur!
Risk of machine damage if the shaft is turned too hard.
If you turn the shaft too far, parts on the stitch regulator gear may
bend or get stuck.
Turn the shaft carefully and stop as soon as you feel a slight
resistance.
significant play on the frame for the stitch regulator gear.
you no longer feel any play.
shaft (5).
tighten it with a wrench (7).
(5) - Shaft
(6) - Scale
(7) - Wrench
⑦
⑥
⑤
④
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