Instruction manual

9 Sewing test

A sewing test must be carried out when setting-up is complete.

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Insert the mains plug.

Caution: danger of injury !

Tur n off the main switch.

The needle and looper threads may only be threaded with the

sewing machine switched off.

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Thread the bobbin-winder thread (see operating instructions).

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Tur n on the main switch.

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Lock the sewing feet in lifted position (see operating instructions).

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Fill the bobbin at low speed.

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Tur n off the main switch.

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Thread the needle and looper threads (see operating instructions).

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Select the material to be processed.

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Carry out the sewing test, first at low speed and then gradually

increasing it.

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Check that the seams are of the requisite quality.

If not, alter the thread tensions (see operating instructions).

If necessary the settings given in the servicing instructions should

also be checked and corrected.