Air Filter; Muffler; Spark Plug; Cleaning - Craftsman 917.388880 Owner's Manual

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 op-
eration or at least once a year if the 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 , z
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 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.
Tabs
Filter
Cover
MUFFLER
Inspect and replace corroded muffler as it
could create a fire hazard and/or damage.
SPARK PLUG
Replace spark plug at the beginning of
each mowing season or after every 100
hours of operation, whichever occurs
first. Spark plug type and gap setting
are shown in the "PRODUCT SPECIFIC-
ATIONS" section of this manual.
CLEANING
IMPORTANT: For best performance,
keep mower housing free of built-grass
and trash• Clean the underside of your
mower after each use.
_CAUTION: Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with plug.
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