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USAGE PRECAUTION
3 Lubrication condition
See dripping of oil through the oil sight window to
check oiling condition during operation.
Confirm that oil has been drained from the oil
tank when the operation is stopped.
When dust, etc. accumulate in the oil tank, remove
the rubber plug to clean.
5 Precaution for the built-in type detector
1 . Since the optical type detecting element is used in the detector, prevent dust or oil from sticking to
the detecting plate when the sewing machine pulley is removed for adjustment.
If they have stuck, wipe them off with soft cloth carefully so that the surface is not scratched, do
not let oil permeate the clearance on the detecting plate.
2 . In case of disconnection of the position detector connector, running off the belt or complete
constraint and over load, the motor is automatically turned off after predetermined time to prevent
burning of the motor. (However, in case of half-constraint and over load, the power may not be
turned off.) After the failure is eliminated, the normal operation is resumed by turning off the power
once then turning on again.
The same operation occurs for the detector malfunction or the line breakage.
6 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.
7 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.
Rubber plug
Oil sight
window
4 Adjustment of lubrication to the
rotating hook
— 3 —
Adjusting
Decrease Increase
screw
Nut
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