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CLEAN
AIR SCREEN
Airscreen must be keptfreeofdidand
chaff topreventenginedamage fromover_.
heafing_ Clean wkh a wire brush or como
pressed air to remove did and stubborn
dried gum fibers
AIR FILTER
Your engine will not run properly using a
dirty air filten Clean the foam pre cteaner
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 and cover.
,, Remove wing nut and ah cleaner from
base.
TO SERVICE PRE-CLEANER
o Slide foam pre-cleaner off cadridge
o Wash it in liquid detergent and water.
,, Squeeze it dry in a clean cloth Allow it
to dry.
o Saturate it in engine oil. Wrap it in
dean, absorbent cloth and squeeze to
remove excess oiL
TO SERVICE CARTRIDGE
o Replace a dirty, bent, or damaged car-
tridge.
NOTE:
Do not wash the paper cartridge
or use pressurized air, as this will damage
the cartridge_
,,
Reinstall
the pre-cleaner
(cleaned
and
oiled)
over
the
paper
car-
tridge.
o
Reassembie
air cleaner,
wing nut,
cover and tighten
knob securely.
CLEAN AIR INTAKFJCOOLING
AREAS
To insure proper cooling
make sure the
grass screen, cooling fins, and other
externa! surfaces of the engine are kept
clean at alt times.
Every 100 hours of operation (more often
under extremely dusty, dirty conditions),
remove the blower housing and other
cooling shrouds. Clean the cooling fins
and external surfaces as necessary. Make
sure the cooling shrouds are reinstalled.
NOTE:
Operating the engine with a
blocked grass screen, dirty or plugged
cooling fins, and/or cooling shrouds re=
moved will cause engine damage due to
overheating.
ENGINE
OiL RLTER
Replace the engine oit filter even/season
or every other oil change if the tractor is
used more than 100 hours in one year.
- Drain ol from engine crankcase (See
"TO CHANGE ENGINE OIL '_in this sec o
tion of this manual, through step remove
drain plug).
o Remove oi! filter and wipe off filter
adapter.
Apply a thin coating of new engine oil to
the rubber gasket on replacement oil fil-
ter.
o Install replacement oil filter on filter
adapter. Turn oil filter clockwise until
rubber gasket contacts the filter adapter,
then tighten filter an additional t/'2 turn.
• Fill crankcase with new oil (See "TO
CHANGE ENGINE OIL" in this section
of this manual). For approximate capac-
ity see "PRODUCT SPECIFICATIONS'
on page 5 of this manual.
o Start the engine and check for oil leaks.
Correct any leaks before placing engine
into fu!! operation.
cL4
Oil Filter
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 even! 100
hours of operation, whichever occurs first.
Spark plug type and gap setting are
shown in "PRODUCT
SPECIFICATIONS"
on page 5 of this manual.
IN-LINE
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.
With engine coot, remove filter and plug
fuel line sections.
o Place new fuel filter in position in fuel
line with arrow pointing towards carbu-
retor.
,, Be sure there are no fuel line leaks and
21
cfam.ps are properly positioned.
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