agria
Power Mower 5400
41
5. Maintenance: 4-stroke engine
Cleaning the Spark Plug and
Readjusting the Electrode Gap
After every 100 operating hours or igni-
tion problems:
l
Clean the elec-
trodes on the spark
plug from dust and
dir t using a wire
brush.
l
Check spark plug
gap and, if neces-
sary, readjust it to
0,6 - 0,7 mm.
Exchange the spark plug at approx. 200-
hour intervals.
Fuel Hoses
Exchange after every 2 years, Ex-
change leaking fuel hoses immediately.
Cleaning the Fuel Strainer
Check the strainer on the fuel tap (E/3)
at least once a year for water and other
impurities.
l
Close the fuel tap.
l
Remove the fuel
strainer and remove
the impurities, re-
place if damaged.
l
Rinse the strainer
container in fuel.
l
Then screw it back
on correctly, to avoid
fuel leakage.
Cleaning the Cooling System
Clogging of dirt and dust may occur to
the cooling system. This may heat up
and damage the engine.
l
Regularly check
the cooling-air
screen (E/7) and
clean from dust
and sucked-in
plant trash.
l
Remove the fan
case at least once
a year, preferably
before the season
starts and clean
the cooling fins on
cylinder, cylinder
head, guide plates
and cooling-air
screen, both serving for good air circula-
tion.
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Service
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Exhaust
Regularly clean surrounding parts of
muffler (E/9) Free from grass, dirt and
inflammable deposits.
Danger of fire!
Check each time
before you take up
operation.
Caution with hot
engine parts!
The exhau-
st and other
engine parts be-
come very hot, if
the engine runs
and immediately
after turning off. Hold for sufficient di-
stance from hot surfaces and keep child-
ren away from the running engine.
6
A; 4 h
6
6
6
6
6
100 h
6
6
6
6
6
J
0,6 - 0,7 mm
5
6
100 h, J
6
A