DURKOPP ADLER 767 - Instrukcja obsługi - Strona 16

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5.1 Regulation of hook lubrication

The hook is to have positive lubrication with the least possible amount of oil.

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Let the sewing machine run approx. 2 minutes.

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Let the sewing machine run in intervals.

Hold a piece of paper next to the hook and check if sufficient oil is spun off onto the

paper.

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Remove cover plate 2.

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Loosen screw 3 until the tube 1 not longer moves.

This is the case when the tube is in the center of the drilled hole.

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Turn screw 3 in until the tube movement just starts and then an 1/8 turn farther.

The hook lubrication is preset.

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Attach cover plate 2 again.

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Setting the hook lubrication with screw 3.

Turn screw 3 in

= Reduce the oil quantity

Turn screw 3 out = Increase the oil quantity

IMPORTANT !

The oil quantity is pre-set at a relatively high level in order

to ensure adequate lubrication during running-in.

This setting should be checked and corrected after

running-in (approx. 50 hours).