Craftsman 536.257670 Owner's Manual page 21

CUSTOMER RESPONSiBiLITiES
AIR FILTER (See Fig. 19)
Your engine will not run properly and may be damaged by
using a dirty air filter, Clean foam pre-cleaner element after
every 25 hours of operation or every season Service paper
cartridge every 100 hours or every season, whichever occurs
first Service air cleaner more often under dusty conditions
e Remove screw and air cleaner cover
TO SERVICE FOAM PRE-CLEANER-
e Remove foam pre-cleaner by sliding it off the cartridge
e Wash foam pre-cleaner in liquid detergent and water
• Squeeze foam pre-cleaner dryina clean cloth_
e Saturate foam pre-cleaner in engine oil. Wrap foam pre-
cleaner in clean, absorbent cloth and squeeze to remove
ALL EXCESS oil
e Reinstall foam pre-cleaner over cartridge
® Reinstall air cleaner cover and tighten knobs securely
TO SERVICE CARTRIDGE-
® Remove wing nuts and cover plate
® Remove cartridge and clean by tapping gently on flat
surface
• If very dirty, replace or wash in a non-sudsing detergent
and warm water solution. Rinse thoroughly with water
from inside out until water runs clear Let cartridge dry
thoroughly before using.
® Reinstall cartridge, cover plate and wing nuts.
e Reinstall air cleaner cover and tighten knob securely
IMPORTANT: PETROLEUM SOLVENTS, SUCH AS
KEROSENE, ARE NOT TO BE USED TO CLEAN CAR-
TRIDGE. DO NOT OIL CARTRIDGE DO NOT USE PRES-
SURIZED AIR TO CLEAN OR DRY CARTRIDGE
MUFFLER
Inspect and replace corroded muffler and spark attester (if so
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 use, whichever comes
first Spark plug type and gap setting is shown in PRODUCT
SPECIFICATIONS on page 3 of this manual
IN-LINE FUEL FILTER (See Fig. 20)
Fuel filter should be replaced once each season If fuel filter
becomes clogged, obstructing fuel flow to carburetor, re-
placement is required Make sure new filter is installed with
the IN marking toward the tank and the OUT marking toward
the engine, Check fuel system components frequently and
replace any parts showing wear or cracks
• With engine cool, remove filter and plug fuel line sections
e Place new fuelfilter in position in fuel line with arrow pointing
towards carburetor,
e Be sure there are no fuel line leaks and clamps are properly
positioned
e Immediately wipe up any spilled gasoline
AER CLEANER COVER
WING NUTS
_ COVER PLATE
,_ ; FOAM
'_E-CLEANER
'*'----- CARTRIDGE
.,_ CARBURETOR
SHIELD
BODY
Fig. 19
FUEL FILTER
CLAMP
CLAMP
Fig. 20
CLEANING
o
@
Clean engine, battery, seat, transaxle, finish, etc of all
foreign matter
Keep finished surfaces and wheels free of all gasoline, oil,
etc
e Protect painted surfaces with automotive type wax
We do not recommend using a garden hose to clean your
tractor unless electrical system, muffler, air filter and
carburetor are covered to keep water out Water in engine can
shorten engine life
21