Troubleshooting - Husqvarna PG 450 Operator's Manual

Daily maintenance
Daily maintenance means that you clean the product.
Also that you do a check of the electrical supply, the
brush strip and the grind holder.
To clean the product
CAUTION:
decreases the performance of the product
and can cause the motor to become too hot.
• Always pull out the plug from the mains outlet before
you clean, do maintenance or assemble the product.
• Always clean all the equipment at the end of the
work day. Do not use a high pressure washer to
clean the product.
• Always do the maintenance on level ground.
• Remove blockage from all air openings. The product
must always have sufficiently cool temperature.
To do a check of the electrical supply
WARNING:
cables. A damaged cable can cause serious
injury or death.
• Make sure that the power cord and extension cable
are not damaged and in good condition.
• Do not use the product if the power cord is
damaged. Let an approved service center repair the
product.
To do a check of the brush strip
• Make sure that the brush strip is full.
• Make sure that the brush strip touches the surface.
The product does not start
• Make sure that the power supply and the power
cords are not damaged.
• Examine the emergency stop button, turn the button
clockwise to release the emergency stop.
• Examine the overload lamp. If the overload lamp is
on, let the motor cool down for some minutes until
the product is automatically reset.
The product is not easy to hold on to
• Too small number of diamond tools are installed on
the product.
• The selected type of diamond tool is not correct for
the surface.
• High current is used by the motor for the operation.
• Use the number of diamond tools that is
recommended to decrease the force on the product
2209 - 002 - 21.03.2024
A blocked air intake
Do not use damaged

Troubleshooting

To do a check of the grind holder
CAUTION:
holder is important for the performance and
the safety.
1. Remove the tool plates (A).
A
B
2. Examine the grind holders for damages and the
wear (B).
3. Replace or repair the grind holders if necessary.
and the operator. Refer to
11 .
The product has sudden movements
• Make sure that all diamond tools are installed
correctly and that all have the same height.
The product stops after only a while
• If the product overloads, the overload protection
engages and stops the motor.
• Decrease the load. The lower hole is for a higher
handlebar and increased grind pressure. The top
hole is for a lower handlebar and decreased grind
pressure.
• The product restarts after approximately a minute,
when the temperature of the motor is decreased to
usual level.
• Make sure that the extension cables are not too
short.
The condition of the grind
Diamond tools on page
15