Spark Plug - Stiga PARK PRO 20 Gebrauchsanweisung

GB
OIL FILTER – ENGINE
(Pro16 - Pro20)
Replace the oil filter after every 100 hours of oper-
ation or once a season.
Before screwing the new filter, oil the filter gasket
with engine oil.
Screw the filter by hand, until the filter gasket
touches the filter attachment. Then tighten ½ to ¾
of a full turn (fig. 18).
Start the engine and idle to see if any leakage oc-
curs. Stop the engine. Check the oil level. If neces-
sary, fill up the oil up to the "FULL" mark.
AIR FILTER - ENGINE
Senator - President - Pro16 - Pro20:
Clean the foam pre-filter every 3 months or after
every 25 hours of operation, whichever comes
first.
Clean the paper filter insert once a year or after
every 100 hours of operation, whichever comes
first.
Royal:
Clean the air filter every 3 months or after every 50
hours of operation, whichever comes first.
Clean the paper filter insert once a year or after
every 200 hours of operation, whichever comes
first.
All models:
Note! Both filters should be cleaned more often if
the machine operates on dusty ground.
1. Remove the protective cover of the air filter (fig.
19 -21).
2. Dismantle the paper filter insert and the foam
pre-filter. Make sure that no dirt gets into the car-
burettor. Clean the air filter housing.
3. Wash the pre-filter in liquid detergent and water.
Squeeze dry. Pour a little oil on the filter and
squeeze in the oil.
4. Clean the paper filter insert as follows: Knock it
lightly against a flat surface. If the filter is very
dirty, change it.
5. Assemble in the reverse order.
Petroleum-based solvents such as kerosene may
not be used for cleaning the paper filter insert.
These solvents can destroy the filter.
64
ENGLISH
Do not use compressed air for cleaning the paper
filter insert. The paper filter insert must not be
oiled.
AIR FILTER – CATALYTIC
CONVERTER (Pro20 Cat)
Clean the catalytic converter's air filter every 3
months or after every 25 hours of operation,
whichever comes first.
1. Remove the cover by pressing in the locking
mechanism with a screwdriver etc. (fig. 22).
2. Remove the foam filter and wash it in liquid de-
tergent and water. Squeeze dry. Do not oil the filter.
3. Replace the filter and snap the cover into place.

SPARK PLUG

Only use a Briggs & Stratton sparking tester to
check the spark in the sparking plug(s) (fig. 23).
Clean the spark plug after every 100 hours of oper-
ation or once a season. For replacing a spark plug,
a spark plug sleeve A and a torsion pin B are pro-
vided in the accessories bag.
The engine manufacturer recommends:
Senator-President: Champion J19LM.
Royal: NGK BPR5ES or DENSO W16EPR-U
Pro16-Pro20: Champion RC12YC
Correct spark gap: 0.75 mm.
COOLING AIR INTAKE - ENGINE
The engine is air-cooled. A blocked cooling sys-
tem can damage the engine. The engine should be
cleaned at least once a year or every 100 hours of
operation.
Remove the fan casing. Clean the cooling fins on
the cylinder, the fan and the rotating protective
grille (fig. 24 - 25). Clean more frequently if mow-
ing dry grass.
BATTERY
The battery is a valve-regulated battery with 12 V
nominal voltage. The battery is completely main-
tenance free. You don't have to check or top up the
electrolyte level.
On delivery, the battery is in the accessories box.