Husqvarna PG 540 Operator's Manual page 14

To change the speed and direction of rotation
of the motor
Change the direction of rotation regularly to increase the
life and the sharpness of the diamond tools. The
diamond tool segments are used equally and the contact
surface continues to be as large as possible.
• To set the speed and direction of rotation of the
grinding disc, turn the knob.
To operate the product
• Operate the product manually with the control panel
on the handle. Refer to
on page 4 .
• During operation, look for color changes in the
indicator for the inverter to the grinding motor (A).
A
• Green light: the product operates correctly.
• Orange light: there is an overload in the grinding
head. Decrease the power output in 10 seconds
or less to prevent that a fault occurs.
• Red light: fault in the inverter and the grinding
head stops. It is necessary to reset the product.
To reset the product on page 15 .
Refer to
To start the product
CAUTION: Move the product all the time
while the grinding head is on. If you do not
move the product, the surface can become
rough.
1. Push down the handlebar slightly to lift the grinding
head from the surface. This releases the surface
friction of the diamond tools. Do not lift the grinding
head fully from the surface during operation.
14
Product overview, left side
2. Turn the STOP/RUN switch (A) on the control panel
counterclockwise to 0 to make sure that the grinding
head is off.
3. Turn the ON/OFF switch (B) on the control panel to 1
to start the product. The LED adjacent to the
ON/OFF switch comes on.
4. Turn the STOP/RUN switch on the control panel
clockwise to start the grinding head. In less than 5
seconds, the product operates at idle speed.
To stop the product
CAUTION: Do not lift the grinding head from
the surface when you stop the motor. The
tool plates rotate for a while after the motor
stops. Dust can go into the air and the
surface can become damaged.
CAUTION: Do not let the product become
stationary until the tool plates stop fully.
1. Turn the STOP/RUN switch (A) on the control panel
counterclockwise to 0 to stop the grinding head.
2. Keep the tool plates against the surface until they
stop fully.
CAUTION: If you grind adhesive asphalt,
paint or equivalent material, the product
can attach to the adhesive surface.
Immediately after the tool plate stopped
fully, lift up the front of the grinding head
a small distance.
3. Turn the ON/OFF switch (B) on the control panel to 0
to stop the product. The LED adjacent to the
ON/OFF switch goes off.
4. Disconnect the power plug.
B
A
B
A
1211 - 003 - 22.01.2020