Inspection and maintenance plan
Regular servicing period
Engine oil
Inspection
(10W-40)
Change
Air filter
Inspection
Change
Spark plug
Inspection
Clean
Change
Provide appropriate servicing upon the earlier of the following: in the given month or after the specified hours of
operation have expired.
Defects searching
Cause
Defect
The motor does not start
Primary pump has not been used
Lack of fuel
Bowden cables are too long
Wrong fuel, storing without petrol tank
being drained
Sooted spark plug (carbon residues on
electrodes), electrodes distance too big
The spark plug is wet from petrol
(oversaturated engine).
Grass is not collected
Blocked channel
Full collection bag
Too wet grass
Before
After 1
After 3
any start-
month
months
up
5
25 Hours
Hours of
of opera-
operation
tion
23
ENGLISH
After 6
After 12
After 24
months
months
months
50 Hours
100 Hours
250 Hours
of opera-
of opera-
of opera-
tion
tion
Measure
Use the primary pump
Add some fuel
Adjust the Bowden cables using the
coupling nut.
23
Drain the fuel tank and carburettor.
Add fresh petrol.
Clean the spark plug, check the plug ther-
mal value, possibly change the plug, set
the electrodes distance to 0.6-0.7 mm
Dry the spark plug out and refit it.
Clean the ejection channel
Empty the collection bag
Cut in dry weather
33
tion