Clean Air Screen - Craftsman 917.20392 Operator's Manual

11, Use gauge onoil fill c ap/dipstick for c heck-
ing level, Ensuredipstickcap istightened
securely foraccu r ate r eading. Keep oil a t
"FULE' line ondipstick. Tighten cap onto
the tube securely when f inished.
ENGINE OIL FILTER
Replace the engine oil f ilter e very season or
every o ther oil c hange ifthe tractor isused
more t han 100 hours i none year.
NOTE: Ifneeded, remove lower dash c overs
using s teps from "Lowerdash cover removal"
section ofthis manual.
AIR FILTER
Your engine will not run properly using a
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.
1. Remove cover.
TO SERVICE PRE-CLEANER
2. Wash it in liquid detergent and water.
3. Squeeze it dry in a clean cloth,
4, Saturate it in engine oi1. Wrap it in
clean, absorbent cloth and squeeze to
remove excess oil,
NOTE: If very dirty or damaged, replace
pro-cleaner.
1 Cartridge
f _
Pre-Cleanert f !_-
_'r
TO SERVICE CARTRIDGE
1. Clean cartridge by tapping gently on
flat surface. If very dirty or damaged,
replace cartridge.
2, Reinstall precleaner cartridge, cover
and secure.
IMPORTANT: Petroleum solvents, such
as kerosene, are notto be used to clean
the cartridge. They may cause deteriora-
tion of the cartridge. Do not oil cartridge.
Do not use pressurized air to clean or dry
cartridge.
CLEAN AIR SCREEN
The air screen is over the air intake blower
located on top of engine, The air screen
must be kept free of dirt and chaff to prevent
enqine damagefrom overheating. Clean with
a wire brush or compressed air to remove
dirt and stubborn dried gum fibers.
IN-LINE FUEL FILTER
The fuel filter should be replaced once each
season. If fuel filter becomes clogged, ob-
structing fuel flow to carburetor, replacement
is required.
1. With engine cool, remove filter and plug
fuel line sections.
2. Place newfuetfilter in position infuel line
with arrow pointing towards carburetor.
3. Be sure there are no fuel line leaks and
clamps are properly positioned.
4. Immediatelywipe up anyspilledgaso[ine.
Clamp
""-..,_x----_ Clamp
Fuel Filte_
MUFFLER
Inspect and replace corroded muffler and
spark arrester (if equipped) as it could create
a fire hazard and/or damage.
SPARK PLUG(S)
Replacesparkplug(s) atthe beginningofeach
mowing season or after every 100 hours of
operation, whichever occurs first. Spark plug
type and gap setting are shown in"PROD UCT
SPECIFICATIONS" section of this manual,
19