Oil Change; Air Filter Maintenance - Stiga TRE224 Gebrauchsanweisung

6.3 OIL CHANGE

For the required type of oil, observe the
indications provided in the technical data table.
Drain the oil out while the engine
is warm, being careful not to touch
the hot engine nor the drained oil.
Unless otherwise stated in this
machine Instruction Manual, to
change the oil it is necessary to:
1. Place the machine on a flat surface.
2. Clean around the filler cap and unscrew
the cap with dipstick (fig. 6.A).
3. Place the nozzle of the relative syringe
all the way (fig. 6.B) inside the oil
tank and suck out the contents.
4. Top up with new oil (par. 5.1.1).
6.4 CLEANING THE SILENCER
AND THE ENGINE
The silencer must be cleaned
when the engine is cold.
• Use a jet of compressed air (fig. 7.A) to remove
any debris and dirt that could cause a fire
from the silencer and its protective cover.
• Ensure that the cooling air intakes
are not obstructed (fig. 7.A).
• Clean the plastic parts with a sponge
(fig. 7.B) soaked in water and detergent.

6.5 AIR FILTER MAINTENANCE

1. Clean around the filter cover (fig. 8.A).
2. Take the cover off (fig. 8.A) by
removing the top screw.
3. Remove the filtering element (fig. 8.B + 8.C).
4. Take the pre-filter (fig. 8.C) out
of the cartridge (fig. 8.B).
5. Tap the cartridge (fig. 8.B) on a solid
surface and blow it from the inside with
compressed air to remove dust and debris.
6. Wash the pre-filter sponge(fig. 8.C) with
water and detergent and leave it to air dry.
IMPORTANT Do not use water,
petrol, detergents or any other
products to clean the cartridge.
IMPORTANT The pre-filter sponge
(fig. 8.C) must NOT be oiled.
1. Clean out any dust and debris from inside
the filter housing (fig. 8.D) being careful to
close the extraction duct with a cloth (fig. 8.E)
to stop them from getting into the engine.
2. Remove the cloth (fig. 8.E) , place the filtering
element (fig. 8.C + 8.B) in its housing and
put the cover back in place (fig. 8.A).
6.6 SPARK PLUG CHECKS
AND MAINTENANCE
1. Take the spark plug down (fig. 9.A)
using a socket wrench (fig. 9.B).
2. Clean the electrodes (fig. 9.C) with a metal
brush, removing any carbonaceous build-up.
3. Using a thickness gauge (fig. 9.D)
ensure the gap between electrodes is
correct (0.6 - 0.8 mm).
4. Put the spark plug back in (fig. 9.A) and
tighten firmly using a socket wrench (fig. 9.B).
Replace the spark plug if the electrodes are
burnt or if the porcelain is broken or damaged.
Fire hazard! Do not check the ignition
system when the spark plug is not in place.
IMPORTANT Only use the required type
of spark plugs (see Technical data table).
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