20
Engine
For reliable information, see the operating manual of the
engine manufacturer.
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Check oil level (see operating instructions
of the engine manufacturer).
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Oil change.
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Flammable material Remove easily flammable debris buildup from the engine
and the device.
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Tyres
Check tyres and, if necessary, the tyre pressure.
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Lubrication
See chapter grease lubrication.
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A
B
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Before and after each use.
Annually or every 50 h.
By the user when the engine is not running.
By the user when the engine is running.
By the authorised service centre.
Preparations
Prior to all maintenance and cleaning tasks:
1. Let the device cool down for at least 20
minutes.
2. Pull off the plug connector.
3. Close the fuel valve and the tank ventilation
(if existing).
4. For work on the bottom side of the device,
flip the device to the silencer side.
Cleaning the device
Fig. 12:
Depending on use, clean the device thor-
oughly, especially the bottom and the blade.
Grass cuttings and dirt that are stuck interfere
with the grass ejection and impair the cutting
quality. To sufficiently cool the engine, keep
the engine cover, ventilation grid and engine
clean.
Fire hazard!
Take particular care that the com-
ponents at the silencer are clean.
For cleaning, use a hand brush. Remove stub-
born dirt with a wooden or plastic spatula.
Clean the outside housing parts with a cloth.
Do not clean the device with water spray or
high-pressure cleaner! Do not use any ag-
gressive cleaning agents.
General inspection
To ensure proper working order of the device,
regularly check all nuts, bolts, screws, fuel line
connections, air filters, etc. for firm seating.
Check the ignition cable and the spark plug
connectors for damages.
Immediately replace damaged or worn parts,
especially covers, protection skirt, silencers or
fuel tank (authorized service centre).
Check all parts that that contain fluids for leaks
and proper condition. These can be: Fuel tank,
fuel valve, fuel lines, carburetor, engine, gears,
battery, hydraulic system.
