Edition 02.97 Power Mower 5400 41
5. Maintenance: 4-Stroke-Engine
Foamed pre-
liminary filter
Air filter
cap
Paper
filter element
Air Filter
Clean air filter (D/1) after a maximum of
25 operating hours or at least after
3 months (in case of heavy dust
occurence even earlier).
l
Clean air filter and outside surround-
ing parts, take off air filter cap.
l
Carefully remove foamed preliminary
filter.
l
Loosen wing screws, remove paper
filter and slightly tap the element on a
smooth surface.
Do not use compressed air to blow
out dust. Do not treat with oil.
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Wash foamed preliminary filter in de-
tergent and water (do not use petrol),
squeeze like a sponge (wrap in a cloth)
and dry thoroughly.
Do not soak foamed preliminary fil-
ter in oil.
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Reposition paper filter element, fas-
ten with wing screw. Re-attach foamed
preliminary filter and close with air filter
cap.
Please note:
Do not wash paper filter element (only
tap out dust) and replace it after every
50 operating hours or at least once a
year.
Cleaning the Cooling System
After a longer period of operation, clog-
ging due to plant trash and dust may
occur in the cooling system. Sustained
operation with the cooling system
clogged lets the engine heat up and
causes damage.
l
Always check cooling-air grille (E/8)
and remove dirt and plants sucked in.
l
Take off fan case at least once per
year, preferably before start of season.
Clean cooling ribs on both, cylinder and
cylinder head, clean guiding plates and
cooling-air grille, both serving for good
air circulation. For this purpose, con-
tact your professional AGRIA work-
shop.
Exhaust System
Constantly check exhaust system (C/5)
for plant trash and clean, if necessary.
Otherwise
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Danger of fire!
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