Craftsman 917.376990 Owner's Manual page 14

ENGINE
Maintenance,repair,or replacementof
the emissioncontroldevicesand systems,
which are beingdone at the customersex-
pense,may be performedby any non-road
engine repairestablishmentor individual.
Warrantyrepairs mustbe performedby an
authorizedenginemanufacturer'sservice
outlet.
LUBRICATION
Use only high quality detergent oil rated
with API service classification SG-SL.
Selectthe oil's SAEviscositygrade accord-
ingto your expectedoperatingtemperature.
SAE VISCOSITY GRADES
°F -20 0 30 32 40 60 80 100
°c -_0 -25 -1_ _ 1_ _0 _0 40
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
NOTE: Multi-viscosity oils (5W30, 10W30
etc.) improve starting in cold weather, and
you should check your engine oil level fre-
quently to avoid possible engine damage
from running low on oil.
Change the oil after every 25 hours of
operation or at least once a year if the
lawn mower is not used for 25 hours in
one year.
Check the crankcase oil level before
starting the engine and after each five (5)
hours of continuous use. Tighten oil plug
securely each time you check the oil level.
TO CHANGE ENGINE OIL
NOTE: Before tipping lawn mower to drain
oil, empty fuel tank by running engine until
fuel tank is empty.
1. Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with plug.
2. Remove oil fill cap/dipstick; lay aside
on a clean surface.
3. Tip lawn mower on its side as shown
and drain oil into a suitable container.
Rock lawn mower back and forth to re-
move any oil trapped inside of engine.
,
5.
6.
Wipe off any spilled oil from lawn
mower or side of engine.
Fill engine with oil. Slowly pour oil
down the oil fill spout into the engine.
Wait one minute to allow oil to settle.
Use guage on oil fill cap/dipstick for
checking level. Insert dipstick into
the tube and rest the oil fill cap on the
tube. DO NOT thread the cap into the
tube when taking reading.
Oil fill cap /
dipstick
Upper _
mark_
Lower" __
mark
7. Continue adding small amounts of
oil and rechecking the dipstick until it
reads full. DO NOT overfill, or engine
will smoke on startup.
8. Always be sure to retighten oil fill cap/
dipstick before starting engine.
9. Reconnect spark plug wire to spark
plug.
AIR FILTER
Your engine will not run properly and may
be damaged by using a dirty air filter.
Replace the air filter every 100 hours of
operation or every season, whichever oc-
curs first. Service air cleaner more often
under dusty conditions.
TO CLEAN AIR FILTER
1. Remove cover.
2. Carefully remove cartridge.
3. Clean by gently tapping on a flat sur-
face. If very dirty, replace cartridge.
ACAUTION: Petroleum solvents, such
as kerosene, are not to be used to clean
cartridge. They may cause deterioration
of the cartridge. Do not oil cartridge. Do
not use pressurized air to clean or dry
cartridge.
4. Install cartridge, then replace cover.
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