Craftsman 917.20381 Operator's Manual page 19

11.After oil has drained completely, reinstall
oil drain plug. (Do not tighten morethan
13 Ft, Lbs./17 Nm.)
12. Refill engine with oil through oil fill dipstick
tube. Pour slowly. Do not overfill. For
approximate capacity see "PRODUCT
SPECIFICATIONS" section of this
manual.
13.Usegaugeon oilfilt cap/dipstick for check-
ing level. Ensure dipstick cap istightened
securely for accurate reading. Keep oil
at "FULl." line on dipstick. Tighten cap
onto the tube securely when finished,
ENGINE OIL FILTER
Replace the engine oil filter every season or
every other oil change ff the tractor is used
more than 100 hours in one year.
NOTE: If needed, remove lower dash covers
using steps from"Lower dashcover removal"
section of this manual.
AIR FILTER
Your engine will not run properly using a
dirty air filter. Service paper cartridge every
100 hours of operation or every season,
whichever occurs first.
Service air cleaner more often under dusty
conditions.
NOTE: If needed, removelower dash covers
using steps from "Left Lower Dash Cover
Removal" section of this manual.
1. Remove cover.
2. Carefully remove air filter cartridge and
pre-cleaner from base.
3, Clean base carefully to prevent debris
from falling into carburetor,
Knobs Cartridge
Pre-Cleaner
NOTE: If very dirty or damaged, replace
cartridge,
4. Place new pre-cleaner and cartridge
firmly in base.
5. Replace cover.
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
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
engine damage from overheating. Cleanwith
a wire brush or compressed air to 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.
Cleanout chaff
anddebris
_i_! _
IN-LINE FUEL FILTER
The fuel filter should be replaced once each
season. If fuel filter becomes clogged, ob-
structing fuelflowto carburetor, replacement
is required.
1. With engine cool, remove filter and plug
fuel line sections.
2. Place newfuel filter in position infuel line
with arrow pointing towards carburetor.
3. Be sure there are no fuel line leaks and
clamps are properly positioned.
4. Immediately wipe up anyspilled gasoline.
MUFFLER
inspect and replace corroded muffler and
spark arrester (ifequipped) as it could create
a fire hazard and!or damage.
SPARK PLUG(S)
Replacespark plug(s) atthe beginning of each
mowing season or after every t00 hours of
operation, whichever occurs first. Spark plug
type andgapsetting areshownin"PRODUCT
SPECIFICATIONS" section of this manual.
19 ¸