Filter
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9
ENGLISH
GB
Honda: Take off the cover then remove the filter
(Fig. 16). Check the filter carefully for holes or
other damage. A broken or damaged filter must be
replaced.
To remove dirt, tap the filter several times against
a hard surface, or blow compressed air through the
filter from the back. Try not to clean the filter by
brushing, as this will force the dirt into the fibres.
A very dirty filter should be replaced.
Clean the air filter after every 25 hours of use, or
once every season; more often if the motor is used
on dusty terrain.
Tecumseh: Check the air filter after every 25
hours of use, more often if the engine is used in
dusty conditions. If the foam filter is dirty or
blocked it should be replaced.
Dismantle the cover A. Clean inside the cover A
and the filter support E, (fig. 13). Soak the foam
filter C with two teaspoons (approx. 20 ml) of en-
gine oil. Massage the filter with a clean cloth to re-
move any excess oil. Also check the seal D,
replace it if damaged or deformed.
Refit the cover A.
SPARKING PLUG
Neverremovethesparkplugortheigni-
tion lead when checking to see if there is
any spark, always use an approved test
instrument.
Clean the sparking plug regularly (every 100 hours
running). Use a wire brush for cleaning and adjust
the correct spark gap (fig. 17).
Change the sparking plug if the electrodes are ex-
cessively burnt or if the plug is damaged. The rec-
ommendations of the engine manufacturers are as
follows:
Briggs & Stratton: Champion J19LM (RJ19LM),
Spark gap 0,76 mm.
Honda: BPR6ES (NGK),
Spark gap 0,7-0,8 mm.
Tecumseh: Champion RJ17LM, RJ19LM,
Spark gap 0,6 mm.
CHANGING BLADES
Useprotectiveglovestopreventcuts
when changing blades/knifeblades.
Blunt and damaged blades tear off the grass and
spoil the look of the lawn after mowing. New, well
sharpened blades cut the grass cleanly, so that the
lawn looks green and fresh even after mowing.
Always check the blade(s) after an impact. First
disconnect the ignition cable. If the blade system
has been damaged the defective parts must be
changed. Always use genuine spare parts.
To replace the blade, slacken the screw. Fit the new
blade so that the stamped STIGA logotype is
turned facing the blade attachment (and not facing
the grass). Refit the washer and screw. Tighten the
screw fully to a torque of 40 Nm (fig. 18).
When replacing the blade, the blade screw should
also be replaced.
The guarantee does not cover damage to the blade,
blade holder or engine caused by running into ob-
stacles.
When replacing the blade, the blade holder and
blade screw, always use original spare parts. Non-
authentic spare parts could lead to the risk of per-
sonal injury or damage, even if they fit the machine.
SHARPENING OF THE BLADES
Sharpening of the blades must be done by wet
method grinding, using a whetstone or a grind-
stone.
For the sake of safety, the blades should not be
sharpenedonanemerywheel.Averyhightemper-
ature could cause the blade to become brittle.
Once the blade has been sharpened, it
must then be balanced so as to avoid vi-
bration damage.
STORAGE
WINTER STORAGE
Empty the fuel tank. Start the engine and let it run
until it stops. The same petrol must not remain in
the tank for more than one month.
Tip up the mower and screw out the sparking plug.
Pour a teaspoon of engine oil in the sparking plug
hole. Pull out the starting handle slowly so that the
oil is distributed in the cylinder. Screw in the
sparking plug.
Thoroughly clean the mower and store it indoors in
a dry place.