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Sears craftsman ez3 917.251492 Owner's Manual page 20

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CUSTOMER
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ENGINE COOLING FINS (See Fig. 18)
Remove any dust, dirt or oil from engine cooling fins to
prevent engine damage from overheating. Engineblower
housing must be removed. Remove side panels and hood
(See "TO REMOVE HOOD AND GRILL ASSEMBLY" inthe
Service and Adjustments section of this manual.)._
AIR SCREEN
COOLING FINS
(BOTH SIDES)
\
FIG, 18
AIR FILTER (See Fig. 19)
Your engine will not run properly using a dirty air fiiten
Clean the foam pre-cleaner after every 25 hours of opera-
tion or every season. Service paper cartridge every 100
hours of operation or every season, whichever occursfirst.
Service air cleaner more often under dusty conditions.
Remove wing nut and cover°
,
Remove seal and cartridge plate.
TO SERVICE PRE-CLEANER
Slide foam pre-cleaner off cartridge.
Wash it in liquid detergent and water.
Squeeze it dry in a clean cloth°
Saturate it in engine oil. Wrap it in clean, absorbent
cloth and squeeze to remove excess oil,
TO SERVICE CARTRIDGE
Gently tap the flat side of the paper cartridge to dis-
lodge dirt. Do not wash the paper cartridge or use
pressurized air', as this wil! damage the cartridge.
Replace a dirty, bent, or damaged cartridge.
Reinstall the pre-cleaner (cleaned and oiled) over the
paper'cartridge.
Reassemble air cleaner, cartridge plate, and seal.
•"
Install the air cleaner'cover and wing nut. Tightenwing
nut 1/2 turn to 1 full tdm after nut contacts cover. Do not
overtighten.
NSIBiLITIES
FIG. 19
ENGINE OIL FILTER
Replace the engine oilfilterevery season or every other oil
change if the tractor is used more than 100 hours in one
year.
MUFFLER
Inspect and replace corroded muffler and spark arrester°(if
equipped) as it could create 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 3 of this manual
IN-LINE
FUEL
FILTER
(See Fig. 20)
The fuel filter shouldbe replaced once each season. Iffuel
filter becomes clogged, obstructingfuel flow to carburetor,
replacement is required.
°
With engine cool, remove filter and plug fuel line
sections.
°
Place new fuel filter'in position in fuel line with arrow
pointingtowards carburetor.
°
Be sure there are no fuel line leaks and clamps are
properly positioned,
Immediately wipe up any spilled gasoline.
FIG. 20
CLEANING
Clean engine, battery, seat, finish, etc. of all foreign
matter.
°
Keep finished surfaces and wheels free of all gasoline,
oil, etc.
°
Protect painted surfaces with automotive type wax.
4
We do not recommend using a garden hose to clean your
tractor unless the electrical system, muffler, air fiiter and
carburetor are covered to keep water out, Water in engine
can result in a shortened engine life.
20

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