Craftsman 917.374382 Manual Del Usuario página 14

ENGINE
LUBRICATION
Use only high quality detergent oil rated
with API service classification SJ–SN.
Select the oil's SAE viscosity grade accord-
ing to your expected operating temperature.
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 en-
gine 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 oil into a suitable container.
Rock lawn mower back and forth to re-
move any oil trapped inside of engine.
Container
4. Wipe off any spilled oil from lawn
mower or side of engine.
5. Slowly 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 min-
ute 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
muffler on startup.
8. Always be sure to retighten oil dipstick
before starting engine.
9. Re con nect 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.
CAUTION: Petroleum solvents, such
as ker o sene, are not to be used to clean
car tridge. They may cause de te ri o ra tion of
the cartridge. Do not oil car tridge. Do not
use pres sur ized air to clean or dry car tridge.
4. Install cartridge, then replace cover.
Cartridge Slot
MUFFLER
Inspect and replace corroded muffler as it
could create a fire hazard and/or dam age.
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 "PROD UCT SPEC I FI CA-
TIONS" section of this manual.
IN-LINE FUEL FILTER
The fuel filter should be replaced once
each season. If fuel filter becomes
clogged, ob struct ing fuel flow to car bu re-
tor, re place ment is re quired.
1. With engine cool, remove filter and
plug fuel line sec tions.
2. Place new fuel filter in position in fuel
line with arrow pointing towards car-
buretor.
3. Be sure there are no fuel line leaks
and clamps are properly positioned.
4. Immediately wipe up any spilled gaso-
line.
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