Duerkopp Adler 745-28 Panduan Petunjuk Instalasi - Halaman 15

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4.3 Checking positioning

Before the machine is started the positioning set prior to delivery

should be checked.

Once the main switch is turned on the sewing machine adopts the

thread-lever-up position.

Caution - danger of injury

Turn off the main switch.

Positioning should only be checked or adjusted with the main switch

turned off.

Checking positioning

–

Turn off the main switch.

–

Turn thread lever with handwheel to top dead centre position.

The thread lever must be just commencing its downward

movement.

–

In this position notch 2 on the positioning ring 1 must be in line

with notch 3 on the position indicator 5.

–

Adjust positioning if necessary.

Adjusting positioning

–

Undo clamping screws 4 on positioning ring 1.

–

Rotate positioning ring until notch 2 on it is in line with notch 3 on

position indicator 5.

–

Firmly tighten clamping screws 4.