Replacement Of The Blades; Battery; Winter Service - Husqvarna AUTOMOWER 420 Operator's Manual

6.3 Replacement of the blades

WARNING:
guarantee safety if you use Husqvarna
original blades with the embossed crowned
H-mark logotype.
WARNING:
screws when you replace the blades. The
used screws can wear quickly and make the
blade come loose, this can cause serious
injury.
Replace worn or damaged blades for a safe operation.
Replace the blades regularly for a satisfactory cut result
and a low energy use. All 3 blades and screws must
be replaced at the same time to get a balanced cutting
system.
6.3.1 To replace the blades
1. Push the STOP button.
2. Set the Main switch to the
3. Put the product with the blade disc up on a soft
and clean surface.
4. Rotate the skid plate until its holes align with the
screws for the blade.
5. Remove the 3 screws with a screwdriver.
6. Remove the 3 blades.
7. Attach 3 new blades and screws.
1201 - 007 - 20.02.2023
Husqvarna can only
You must replace the
0 position.
8. Make sure that the blades can pivot freely.

6.4 Battery

CAUTION:
before you put the product into storage. If
the battery is not fully charged it can cause
damage to the battery.
If the operating time of the product is shorter than usual
between charges, this means that the battery is at the
end of its life cycle. Replace the battery to extend the
operating time.
Note:
The battery life is related to the length of
the season and how many hours a day the product
operates. A long season or many hours of operation
a day means that the battery must be replaced more
regularly.

6.5 Winter service

Take your product to your Husqvarna central service for
service prior to winter storage. Regular winter service
will maintain the product in good condition and create
the best conditions for a new season without any
disruptions.
Service usually includes the following:
• Thorough cleaning of the body, the chassis, the
blade disc and all other moving parts.
• Testing of the product's function and components.
• Checking and, if required, replacing wear items
such as blades and bearings.
• Testing the product's battery capacity as well as a
recommendation to replace battery if necessary.
• If new firmware is available, the product is
updated.
Charge the battery fully
Maintenance - 37