Dürkopp Adler 867 Service Instructions Manual page 48

Setting steps
1. Loosen the screws (1).
2. Turn the disk (3).
3. Tighten the screws (1).
4. Raise the machine head.
5. Check the feed dog stroke and readjust it if necessary.
Important
The higher the feed dog stroke, the deeper the feed dog plunges into the
throat plate and may damage the thread-pulling knife or the hook tip.
Making sure that the feed dog stroke is not set too high is particularly
important on machines with a short thread cutter (setting in the + range)
in order to keep the thread-pulling knife from sustaining damage.
6. Check the setting:
 If the sheet of paper can be slid effortlessly between feed dog and
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• Grain (2) in the + range: Feed dog stroke increased
• Grain (2) in the - range: Feed dog stroke reduced
• Grain (2) on the center line: Default feed dog stroke
• Position the feed dog at top bottom center
• slide a sheet of paper between feed dog and thread-pulling knife
thread-pulling knife, the feed dog stroke is set correctly.
If the sheet of paper cannot be slid or is crushed between feed dog
and thread-pulling knife, the feed dog stroke must be reduced.
Setting the feed-dog
Service Instructions 867 - 03.0 - 10/2017