Duerkopp Adler 506-3 Service Instructions Manual page 9

7 8
6
Removing the bobbin-winder cartridge
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Undo fixing screws 6.
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Lift off bobbin-winder cartridge.
Removing the arm cover
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Undo arm-cover fixing screws 2.
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Carefully raise the arm cover 2 and fold it back.
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Remove compressed-air hose 7 from the quick-release fastening:
Push the ring 8 to the right and pull the hose out of the
quick-release fastening.
CAUTION :
The use of force to remove the arm cover may cause damage to the
compressed-air line.
2 7
3
5