Spark Plug - Craftsman 917.387561 Owner's Manual

NOTE: Although muitimviscosity oils (5W30,
10W30 etc.)improve starting in cold weather,
they will result in increased oil consumption
when used above 32°R Check your engine
oil level more frequently to avoid possible
engine damage from running low on oil.
Change the oil after every 25 hours of operam
tion orat 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 fuet 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 engine oil cap; lay aside on a
clean surface.
3. Tip lawn mower on its side as shown
and drain oiJ into a suitable container.
Rock lawn mower back and forth to re-
move any oil trapped inside of engine.
TO CHANGE AIR FILTER
1. Remove the air filter by turning coum
terclockwise to the stop and pull away
from collar.
2. Remove filter from inside of cover.
3. Clean the inside of the cover and the
collar to remove any dirt accumulation.
4. Insert new filter into cover.
5. Put air filter cover and filter into collar
aligning the tab with the slot.
6. Push in on cover and turn clockwise to
tighten.
TURN
.Collar COUNTER-
Clip CLOCK-
WiSE
TO
RE-
MOVE
Slot
Air filter
TURN
TaL CLOCK-
Air filter cover WiSE TO TIGHTEN
MUFFLER
Inspect and replace corroded muffler as it
could create a fire hazard and/or damage.
Container
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.
4. Wipe off any spilled oil from lawn
mower or side of engine.
5. SIow, ly pour oil down the oil fill spout,
stopping every few ounces to check the
oil level with the dipstick.
6. Stop adding oil when you reach the
FULL mark on the dipstick. Wait a
minute to allow oil to settle.
7. Continue adding small amounts of oil,
rechecking the dipstick until oil level
settles at FULL. DO NOT overfill, or
engine will smoke heavily from the muf-
tier on startup.
8. Always be sure to retighten oil 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 fiJter. Rein
place the air filter every 100 hours of op-
eration or every season, whichever occurs
first. Service air cleaner more often under
dusty conditions. Do not wash air filter.
IMPORTANT: For best performance, keep
mower housing free of builbgrass and
trash. Clean the underside of your mower
after each use.
_il.CAUTION: Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with plug.
o Clean the underside of your lawn mower
by scraping to remove build_up of grass
and trash.
o Clean engine often to keep trash from
accumulating. A clogged engine runs
hotter and shortens engine life.
o Keep finished surfaces and wheels free
of all gasoline, oil, etc.
o We do not recommend using a garden
hose to clean lawn mower unless the
electrical system, muffler, air filter and
carburetor are covered to keep water
out. Water in engine can result in shorb
ened engine life.
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