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Maintenance
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Replacing the upper knife
Always must be disconnected plug from socket-outlet.
The upper knife is made of special extra-hard steel and does not need
to be replaced.
Replace the upper knife only when the knife blade lip is damaged. For
a replacement, contact your local dealer.
Replacing the lower knlfe
Always must be disconnected plug from socket-outlet.
1. Turn the handwheel toward you until the needles are fully raised.
2. Release the upper knife.
3 Loosen the setscrews on the lower knife retaining plate with the
large screwdriver. Then remove the lower knife.
4 Fit the replacement knife (spare lower knife) into the groove and
attach the lower knife to the knife vertical motion adjuster. (The lip
of the lower knife blade aligns with the upper surface of the throat
plate.)
5. Tighten the setscrews on the lower knife retaining plate securely.
Always must be disconnected plug from socket-outlet.
Cleaning and lubricating
Main switch off "O". Disconnect machine from electricity
supply.
During sewing, dust and fluff collect in and on the machine. This
should be removed regularly. Your overlock machine requires very
little lubrication. Now and then, lubricate only the points illustrated.
Please refer to safety instructions.
Precautions to be taken when handling oil
* In the event the oil gets in the eye or adheres on skin, imme-
diately wash it off in order to prevent irritation and rash.
* If swallowed accidentally, immediately seek for medical ad-
vice in order to prevent diarrhea and vomiting.
* Keep the oil away from children.
* Oil disposal is obliged by legislation. Dispose of the oil pro-
perly in compliance with the relevant legislation.
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