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USAGE PRECAUTION
6 Periodical cleaning
1 . Machine
● R emove the throat plate and
clean the feed dog. Reassembly
should be done by screwing in
the screw 2-3 rotations by hand
at first, then tightening them
evenly using a long-shafted
screwdriver.
Feed dog
2 . Motor
Remove dust from the motor filter every one or two months. (Continued operation with the filter
clogged with lint or dust may overheat the motor.)
3 . Control Box
Remove dust from the connector. (If the connector is covered with dust, the machine might
malfunction.)
7 Installation of the belt cover
1 . Install the belt cover on the machine side for safety. Refer to the provided instruction document
contained in the same package.
2 . Install the belt cover on the motor side for safety.
8 Precaution on operation
( 1 ) When the power is turned on or off, keep foot away from the pedal.
( 2 ) It should be noted that the brake may not work when the power is interrupted or power failure
occurs during sewing machine operation.
( 3 ) Since dust in the control box might cause malfunction or control troubles, be sure to keep the
control box cover close during operation.
( 4 ) Do not apply a multimeter to the control circuit for checking, otherwise voltage of multimeter
might damage semiconductor components in the circuit.
● L ean the machine head and
clean the hook and remove
any dust and/or lint inside the
bobbin case.
Hook
Hook
Feed bar
— 2 —
● L ean the machine head and
remove any dust and/or lint on
the oil pump screen.
Oil pump screen
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