DURKOPP ADLER H-Type 969, Service Instructions Manual

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Setting the stitch length adjusting wheels
Service Instructions 969 - 01.0 - 12/2015 33
Fig. 22: Setting the upper stitch length adjusting wheel II
6. Check whether the frame (8) for the stitch regulator gear can be moved
by pressing the stitch setting lever.
7. As soon as the frame (8) stops moving: Remove the wrench from the
shaft (5).
8. Turn the scale (6) so that the 0 is exactly next to the adjusting mark (4).
9. Place the upper stitch length adjusting wheel (1) onto the shaft (5) and
tighten it with a wrench (7).
10.Tighten the upper stitch length adjusting wheel (1) using screw (2).
7.2 Setting the lower stitch length adjusting wheel
Checking the correct setting
Sewing with 2 different stitch lengths:
• The stitch lengths on the seam correspond with the set stitch lengths.
• The lower stitch length adjusting wheel can only be turned up to the
stitch length set on the upper stitch length adjusting wheel.
Cover
• Tilt the machine head (

p. 10)
(7) - Frame for the stitch regulator gear
⑧
Risk of injury!
The lower stitch length adjusting wheel has to be
set when the machine is switched on, as the ma-
chine automatically switches to the upper adjusting
wheel when it is switched off.
Carry out all work with extreme caution.
WARNING