Service; Air Filter; Engine; Spark Plug - Craftsman EZ3 917.376360 Owner's Manual

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ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classification SF orSG. Select the oil's SAE viscosity grade
according to your expected operating temperature.
SAE VISCOSITY GRADES
"F -20" 0= 30" 32 ° 40" 60" 80 _...... 100"
°c .3o" -2_- ._o. G' _" 20' • 30- 40"
TE_PE_'roRE R ANaE A _noJP^TEO BEFORE NEXT O _L C HANGE
NOTE: Although multi-viscosity oils (5W30, 10W30 etc.)
improve starting in cold weather, these multi;viscositY oils
will result in increased oil consumption when used above
32°F. Check your engine oil level more frequently to avoid
possible engine damage from running low on oil.
Change the oil after the first two hours of operation and
every 25 hours thereafter 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 (See Fig. 12)
NOTE: Before tipping lawn mower tO drain oil, drain fuel
tank by running engine until fuel tank is empty.
• Disconnect spark plug wire from spark plug and,place
wire where it cannot come in contact with spark plug.
• Remove engine oil cap; lay aside on a clean surface.
• Tip lawn mower on its side and drain oil into a suitable
container° Rock lawn mower back and forth to remove
any oil trapped inside of engine.
• Wipe off any spilled oit on lawn mower and on side of
engine.
• Fill engine with oil. Flit only to ;_he"FULL" line on the
dipstick. DO NOT OVER FILL,
• Replace engine oil cap.,
o Reconnect spark plug wire to spark plug.
Your engine will not run properly and may be damaged by
using a dirty air filter.
Replace the air' filter every year, more often if you mow in
very dusty, dirty conditions. Do not wash air filter.
TO CHANGE AIR FILTER (See Fig° 13)
. Loosen cover Screw_
• Swing cover down and remove from hinge.
• Putl paper filter out of air c!eaner body.
• Clean air cleaner cover and body,
. Install a new paper filter.
° Reinstall cover to air cleaner body. Be sure hinge is
assembfec_properlyo ,
• Swing cover up and tighten cover screw. (DO not
overtighten).
CONTAINER'
FIG, 12
AIR FILTER COVER
HINGE/
/
PAPER FILTER
14
COVERSCREW
CLEANING
IMPORTANT: FOR BEST PERFORMANCE, KEEP
MOWER HOUSING FREE OF BUILT-UP GRASS AND
TRASH CLEAN UNDERSIDE OF MOWER HOUSING
AFTER EACH USE,
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CAUTION: Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with the spark
plug.
• Turn lawn mower on its si'd'e_ Make Sure air filter and
carburetor are up,, Clean the underside of your lawn
mower by scraping to remove build-up of grass and
trash_
° Clean engine often to keep trash from accumulating° A
clogged engine runs hotter' and shortens engine lifeo
o Keep finished surfaces and wheels free of all gasoline,
oil, etc.
° We DO NOT recommend us ng a garden hose to clean
le,wn mower unless the electrical system,,' muffler, air
filter and carburetor are covered to keep' water out,
Water in engine can resultin shortened engine life_
CLEAN UNDER DRIVE COVER
Clean underdrive cover at least twice a season. Serape
underside of cover with putty knife orsimilar tool tO remove
any bui!d-up of trash or grass on underside Ofdrive cover.
FIG. 13
MUFFLER
Inspect and replace corroded muffler' as it could create a
fire hazard and/or damage.
SPARK PLUG
Change your spark plug each year to make your' engine
start easier and run better'° Set sp=irk plug gap at .030 inch,,