Service; Service Schedule - Husqvarna Automower 420 Workshop Manual

7.1 Service schedule

The table below contains a checklist of points and actions to be taken when servicing the product. Complete service
plans can be found in Autocheck.
Every Every Action
year 3rd year
Remove the body and clean the chassis.
X
Check the rubber bellows on the cutting height
adjustment. Replace if damaged.
X
Check the rubber bellows on the rear joysticks.
X
Replace if damaged.
Check all rubber grommets into the chassis that
X
they seal properly. Replace if damaged.
Clean the ultrasound sensors carefully, 450X/
X
450XH/550/550H
Check the ventilation filter and clean carefully
X
with a soft brush.
Check the tightening torque of screws on the
X
chassis.
Check the blades and blade screws. Replace if
X
damaged.
Clean the headlights carefully, 430X/430XH/
X
450X/450XH
X Clean the charging station.
Check and polish the charging strips on the
X product and the contact strips on the charging
station.
Check the cable to the products charging
X
plates. Replace if damaged.
X Make a complete
Check that docking and charging work correct-
X
ly.
Do a
X
battery condition.
Charge the battery.
X
Read the service bulletins for potential recom-
X
mended updates.
Replace the ventilation filter.
X
Replace the rubber bellows on the front joy-
X
sticks.
Inspect and grease the front wheel bearing. Re-
X
place if damaged.

42 - Service

Auto test in Autocheck.
Battery test in Autocheck and check the
7 Service
Explanation
Refer to
page 20 .
Check the fit between the chassis and the bel-
lows on top as well as the cutting height column
and the bellows on the bottom. Check also that
there are no cracks in the bellows.
Refer to
26 .
Refer to
450X/450XH/550/550H on page 30 .
Refer to
ter on page 24 .
Refer to
Refer to
the Operator's manual.
Polish contact surfaces on both the product and
the charging station with a fine grade emery
cloth.
Refer to
Refer to
Symptoms during charging on page 56 .
and
Refer to
Always charge the battery fully before winter
storage. If this is not done, the battery may be
rendered useless due to voltage levels drop-
ping too low.
Updated service bulletins can be found in Au-
tocheck.
Refer to
ter on page 24 .
Refer to
25 .
Refer to
grease to the front wheel bearing on page 35 .
To remove and install the body on
To replace the rear joysticks on page
To replace the ultrasonic sensors
To clean and replace the ventilation fil-
Screw fasteners on page 43 .
Maintenance - Replace the blades. in
Auto test on page 16 .
Symptoms during docking on page 55
Auto test on page 16 .
To clean and replace the ventilation fil-
To replace the front joysticks on page
To replace the front wheel and to add
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