Inserting Needles; Raising The Upper Knife - Merrylock 740 DS Manual De Instrucciones

Using the machine

Inserting needles

- Switch the machine off " O ".
Disconnect machine from electricity supply.
- Turn the handwheel until needles are fully
raised.
- Lower the presser foot.
- Use the hexagon wrench to loosen the
needle setscrew. Remove needle.
- Insert the needle flat side towards the back,
as far as possible into the needle clamp.
Tighten the screw.
- The left needle is set higher than the right
needle.

Raising the upper knife

- Turn the handwheel to raise the needles.
- Open the looper cover.
- Press the upper knife holder to the right.
Turn the knob clockwise until the knife
engages.
- Close the looper cover.
To lower the upper knife:
- Turn the knob anti-clockwise.
The knife snaps automatically into its
lower position. Close the looper cover.
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