Lubrication; Sewing Test - Dürkopp Adler 887 Betriebsanleitung

8

Lubrication

9

Sewing test

24
Before start, the machine must be lubricated properly with oil
according to chapter 9.2 in the operating instructions.
This test can be carried out only after the machine is set completely.
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Thread in the bobbin-winder thread. (see operating instructions).
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Turn on the main switch.
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Lock the sewing foot in the lifted position (see operating
instructions).
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Fill the bobbin at low speed.
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Turn off the main switch .
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Thread in needle thread and bobbin thread (see operating
instructions).
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Select the material to be sewn.
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Carry out the sewing test first at low speed and then gradually
increase the speed.
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Check whether the seams are of the desired quality.
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If the quality requirements are not met change the thread tensions
(see operating instructions).