Engine Oil Filter, Air Filter; Clean Air Screen; Engine Cooling System; Muffler, Spark Plug - Craftsman 28924 - YT 3000 21 HP/46" Yard Tractor Operation Manual

ENGINE OiL FILTER
Replace the engine oil filter every season or
every other oil change if the tractor is used
more than 100 hours in one year.
AIR FILTER
Your engine will not run properly using a dirty
air filter. Replace 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. Pull up on airfilter cover handle and rotate
towards engine.
2. Remove cover.
3. Carefully remove air filter cartridge and
pre-cleaner from base.
4. Clean base carefully to prevent debris
from falling into carburetor.
Handle
Cover
NOTE: If very dirty or damaged, replace
cartridge.
5. Place new pre-cleaner and cartridge
firmly in base.
6. Align tabs on cover with slots in blower
housing and replace cover.
7. Hook handle on cover and push down
on handle to dose.
iMPORTANT: Petroleum solvents, such as
kerosene, are not to be used to clean the
cartridge. They may cause deterioration of
the cartridge. Do not oil cartridge. Do not
use pressurized air to clean cartridge.
CLEAN AiR SCREEN
Air screen must be kept free of dirt and chaff
to prevent engine damage from overheating.
Clean with a wire brush or compressed airto
remove dirt and stubborn dried gum fibers.
ENGINE COOLING SYSTEM
Debris may clog the engine's air cooling
system. Remove blower housing and clean
area shown to prevent overheating and
engine damage.
Air Screer_..
Clean out chaff
and debris
MUFFLER
Inspect and replace corroded muffler and
spark arrester (if equipped) as it could create
a fire hazard and/or damage.
SPARK PLUG(S)
Replace spark plug(s) atthe 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" section of this manual.
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 new fuel filter in position in fuel line
with arrow pointing towards carburetor.
3. Be sure there are no fuel line leaks and
clamps are properly positioned.
4. Immediatelywipe up any spilled gasoline.
Clamp
19