DURKOPP ADLER H-Type 969 Service Instructions Manual page 36

Fig. 23: Setting the lower stitch length adjusting wheel I
(1) - Key for the stitch length
Setting steps
1. Position the upper stitch length adjusting wheel (3) > 3.
2. Switch the machine to short stitch length.
 The key for the stitch length (1) does not light up.
Fig. 24: Setting the lower stitch length adjusting wheel II
(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).
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on the machine arm
If the key lights up, press key (1) again.
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wrench (7).
NOTICE
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.
Setting the stitch length adjusting wheels
(2) - Lower stitch length adjusting wheel
(3) - Upper stitch length adjusting wheel
(5) - Shaft
(6) - Scale
(7) - Wrench
Service Instructions 969 - 01.0 - 12/2015
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