Husqvarna PG 690 Manuel D'utilisation page 34

To do a check of the grinding discs
• Examine the spring steel spring for damages and
make sure that it is in good condition.
• Replace damaged spring steel springs.
Note: It is not necessary to discard the grinding disc
when you replace the spring steel spring.
• Add a second spring steel spring to make the spring
steel head less flexible.
Drive system for grinding head
The drive system for the grinding head is a closed
system. If you have problems with the drive system of
the grinding head, speak to your Husqvarna service
agent.
Product battery
The product battery is only used to move the product
with the remote control from the transportation vehicle to
the work area. The product battery is not used for
operation of the product. The product must be
connected to a power source during operation.
Before you use the product for the first time, it is
necessary to charge the battery.
The operation time is approximately 1 hour when the
battery is fully charged. The ambient temperature and
how frequently the wheel motors are used can decrease
the operation time.
To charge the product battery through a 3-
phase power source
The product battery charges when the product is
connected to a 3-phase power source and is in
operation. Charge time for an empty product battery is
approximately 3-4 hours.
1. Charge the battery in an ambient temperature
between 0 °C/32 °F and 40 °C/104 °F.
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2. Connect the product to a 3-phase power source.
To connect the product to a power source
Refer to
on page 19 . When the battery charges, the indicator
for power and state of charge of the product battery
(A) on the control panel flashes.
3. When the battery is fully charged, the indicator for
power and state of charge of the product battery
goes off.
To charge the product battery through a 1-
phase connection
Charge time for an empty product battery is
approximately 3-4 hours.
1. Charge the battery in an ambient temperature
between 0 °C/32 °F and 40 °C/104 °F.
2. Connect the 1-phase charge cable to the battery
charger connector on the door to the electrical box.
A
1163 - 002 - 24.10.2019