Husqvarna HTC 450 Operator's Manual page 13

2. Turn the 2 pins in the power plug in the opposite
direction to change in which direction the motor
rotates. This is only applicable for 3-phase.
To start the product
1. Push down the handle lightly to lift the grinding head
from the surface, approximately 1 mm. This
decreases the pressure against the surface. Do not
lift the grinding head fully from the surface.
2. Turn the ON/OFF switch to 1 to start the product. In
less than 5 seconds the product operates at the idle
speed.
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To stop the product
CAUTION: Do not lift the tool plate from the
surface when you stop the motor. The tool
plate rotates for a while after the motor
stops. Much off the dust can blow off in to
the air and the surface can be damaged.
CAUTION: If you grind adhesive asphalt,
paint or equivalent material, lift up the front
of the product slightly when the tool plate
stops. The product can attach to the
adhesive surface if not lifted.
1. Turn the ON/OFF switch to 0 to stop the motor.
2. Keep the tool plate against the surface. Make sure
that the tool plate does not rotate before you lift up
the front.
3. Pull out the power plug.
To replace the diamond tools
WARNING: Disconnect the power plug.
WARNING: Use protective gloves, as
diamond tools can become very hot.
1. Turn the ON/OFF switch to 0 and disconnect the
power plug to stop the product.
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