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AIR FILTER
Yourenginewill not runproperlyusinga
dirty air filter. Clean the foam pre-cleaner
after every 25 hours of operation or every
season.
Service paper cartridge every 100
hours of operation or every season,
whichever occurs first.
Service air cleaner
more often under dusty
conditions.
• Remove
knob(s) and cover.
TO SERVICE
PRE-CLEANER
° Slide foam pre-cleaner
off cartridge.
= Wash it in liquid detergent
and water
o Squeeze
it dry in a clean cloth.
o Saturate
it in engine oil. Wrap it in clean,
absorbent
cloth and squeeze
to remove
excess oito
o If very dirty or damaged,
replace
pre-
cleaner°
o Reinstall
pre-cleaner
over cartridge.
• Reinstall
cover and secure with knob(s).
TO SERVICE
CARTRIDGE
= Remove
cartridge
nut.
* Carefully
remove cartridge
to prevent
debris from entering
carburetor°
Clean
base carefully
to prevent
debris from
entering
carburetor.
,, Clean cartridge
by tapping gently on flat
surface.
If very dirty or damaged,
replace
cartridge.
o Reinstall
cartridge,
nut, precleaner,
cover and secure with knob(s).
IMPORTANT:
Petroleum
solvents,
such as
kerosene,
are not to be used to clean the
cartridge.
They may cause deterioration
of
the cartridge.
Do not oil cartridge.
Do not
use pressurized
air to clean or dry car-
tridge.
Cover
Knob
Cartridge
Cover ------
Nut
Foam
Pre-Cleaner
Paper
Cartridge
e
_Base
ENGINE
COOLING
FINS
Remove
any dust, dirt or oil from engine
cooling fins to prevent engine damage
from overheating.
o Remove
screws
from blower housing
and lift housing
and dipstick tube
assembly
off engine.
o Cover oil fill opening
to prevent entry of
dirt.
= Use compressed
air or stiff bristle brush
to thoroughly
clean engine cooling fins.
o To reassemble,
reverse above proce-
dure.
Blower Housing
Screws
Screws
air screen
DipstickTube
Assembly
Spark
Plug
Engine Cooling
MUFFLER
Inspect and replace
corroded
muffler and
spark arrester
(if equipped)
as it could cre-
ate a fire hazard and/or damage_
_
SPARK
PLUGS
": ..... _,::
Replace
spark plugs at the beginning of .''_"
each mowing season
or after every 100 _
hours of operation, whichever occurs first.
Spark plug type and gap setting
are
shown in "PRODUCT
SPECIFICATIONS"
on page 5 of this manual.
nN-LBNE FUEL
FILTER
The fuel filter should
be replaced
once
each season,
if fuel filter becomes
clogged,
obstructing
fuel flow to carbure-
tor, replacement
is required.
o With engine cool, remove filter and plug
fuel line sections.
o Place new fuel filter in position in fuel
line with arrow pointing towards
carbu-
retor.
o Be sure there are no fuel line leaks and
clam.ps
are properly
positioned.
21
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