Stihl RMA 443 - Removing and Installing Mowing Blade; Sharpening the Mowing Blade; Storage for Winter Break

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Fault:
Excessive vibration during operation
Possible cause:
– Blade fastening screw is loose
– Blade is not balanced
Remedy:
– Tighten blade fastening screw (Ö 13.7)
– Re-sharpen (balance) or replace blade
(Ö 13.8)
Fault:
Poor cut, lawn turning yellow
Possible cause:
– Mowing blade is blunt or worn,
– Rate of feed is too high in relation to the
cutting height
Remedy:
– Re-sharpen or replace mowing blade
(Ö 13.8)
– Reduce rate of feed and/or select
correct cutting height (Ö 9.6)
Fault:
Problems switching machine on or
deteriorating motor power.
Possible cause:
– Battery discharged
– Mowing grass that is too long or too wet
– Mower housing is blocked
– Mowing blades are blunt or worn
Remedy:
– Recharge battery (Ö 8.4)
– Adapt cutting height and mowing speed
to mowing conditions (Ö 9.6)
– Clean mower housing (Ö 13.2)
– Re-sharpen or replace mowing blade
(Ö 13.8)
Fault:
Discharge chute blocked
Possible cause:
– Mowing blade is worn
– Mowing grass which is too long or too
wet
Remedy:
– Replace mowing blade (Ö 13.8)
– Adapt cutting height and mowing speed
to mowing conditions (Ö 9.6)
Fault:
Operating time too short
Possible cause:
– Battery not fully charged
– RMA 443 PC, RMA 448 PC: No battery
or discharged battery inserted in battery
compartment 2
– Mowing grass which is too long or too
wet
– Mower housing is blocked
– Mowing blades are blunt or worn
– Battery has exceeded service life
Remedy:
– Recharge battery (Ö 8.4)
– RMA 443 PC, RMA 448 PC: Insert
charged battery in battery
compartment 2
– Adapt cutting height and mowing speed
to mowing conditions (Ö 9.6)
– Clean mower housing (Ö 13.2)
– Re-sharpen or replace mowing blade
(Ö 13.8)
– Replace battery (#)
Fault:
Battery gets stuck when inserting into
battery compartment
Possible cause:
– Guides or electric contacts in battery
compartment dirty
Remedy:
– Clean guides and/or electric contacts in
battery compartment (Ö 13.2)
Fault:
Battery is not charged although the green
LED on the charger illuminates green
Possible cause:
– Battery too cold or overheated (one red
LED illuminates on battery)
Remedy:
– Warm up or cool down the battery
(Ö 8.4). Store the charger in a closed,
dry place at a temperature of between
+5°C and +40°C.
Fault:
Charging fails to start after inserting
battery into charger
Possible cause:
– Battery too cold/too warm – 1 LED
illuminates red on battery
– No electrical contact between charger
and battery
– Charger power supply faulty
Remedy:
– Leave battery inserted in charger
Charging starts automatically as soon
as permissible temperature range is
reached.
– Remove and re-insert battery (Ö 8.3)
– Connect charger to mains (Ö 8.2)
– Check mains power supply