Spark Plugs - Poulan Pro 187594 Operator's Manual

17.0 hp 42 inch lawn tractor
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PRE-CLEANER
BASE
ENGINE COOLING FINS (See Fig. 13)
Remove any dust, dirt or oil from engine cooling fi ns to
prevent engine damage from overheating.
Remove screws from blower housing and lift housing
and dipstick tube assembly off engine.
Cover oil fi ll opening to prevent entry of dirt.
Use compressed air or stiff bristle brush to thoroughly
clean engine cooling fi ns.
To reassemble, reverse above procedure.
BLOWER HOUSING
SCREWS
AIR SCREEN
DIPSTICK TUBE
AS SEM BLY
OIL FILL
OPENING
ENGINE COOLING FINS
MAINTENANCE
HAN DLE
COVER
CARTRIDGE
TABS
SLOTS
FIG. 12
SCREWS
SPARK
PLUG
FIG. 13
MUFFLER
Inspect and replace corroded muffl er and spark arrester
(if equipped) as it could create a fi re hazard and/or dam-
age.

SPARK PLUGS

Replace spark plugs at the beginning of each mowing sea-
son or after every 100 hours of use, whichever comes fi rst.
Spark plug type and gap setting is shown in "PROD UCT
SPECIFICATIONS" section of this manual.
IN-LINE FUEL FILTER (See Fig. 14)
The fuel fi lter should be replaced once each season. If fuel
fi lter becomes clogged, ob struct ing fuel fl ow to car bu re tor,
re place ment is re quired.
With engine cool, remove fi lter and plug fuel line sec-
tions.
Place new fuel fi lter in position in fuel line with arrow
pointing towards carburetor.
Be sure there are no fuel line leaks and clamps are
properly positioned.
Immediately wipe up any spilled gasoline.
CLAMP
CLEANING
Clean engine, battery, seat, fi nish, etc. of all foreign
matter.
Keep fi nished surfaces and wheels free of all gasoline,
oil, etc.
Protect painted surfaces with automotive type wax.
We do not recommend using a garden hose or pressure
washer to clean your tractor unless the engine and trans-
mission are covered to keep water out. Water in engine or
transmission will shorten the useful life of your tractor. Use
compressed air or a leaf blower to remove grass, leaves
and trash from tractor and mower.
17
CLAMP
FUEL
FILTER
FIG. 14

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