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4. INSTALLATION
4-3. Checking the machine pulley rotating direction
Do not touch any of the moving parts or press any objects against the machine while sewing, as this may result in
personal injury or damage to the machine.
4-4. Alarm display (Semi dry type)
13
CAUTION
1. Insert the power cord plug into the wall outlet, and then
turn on the power switch.
2. Depress the treadle slightly and check that the machine
pulley starts to turn in the direction of the arrow (1).
* If the direction of rotation is reversed, change the
direction of rotation to the correct direction while
referring to the instruction manual for the motor.
2980M
The alarm display is a device that shows the time until the
next greasing is required.
(1) POWER indicator (green)
The POWER indicator (1) only illuminates while the sewing
machine is operating. It does not illuminate while the sewing
machine is stopped.
(The alarm display makes a total of the time that the POWER
indicator (1) is lit.)
NOTE:
The POWER indicator (1) may not illuminate at times
such as if the sewing machine is operating at a slow
speed, or when operation starts again after having been
stopped for several minutes, but this is normal and is not
the sign of a malfunction.
(2) GREASE indicator (red)
If the GREASE indicator (2) illuminates and the buzzer
sounds each time the treadle is depressed, it is time to apply
2981M
grease.
(See P. 30.)
T-8420B, 8450B, 8720B, 8750B
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