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12
AIR FILTER
Your engine will not run properly and may be damaged
by using a dirty air fi lter. Replace the air fi lter every 100
hours of operation or every season, whichever occurs fi rst.
Ser vice air cleaner more often under dusty conditions. See
the main te nance section of your engine manual.
MUFFLER
Inspect and replace corroded muffl er as it could create a
fi re 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
fi rst. Spark plug type and gap setting are shown in the
“PROD UCT SPEC I FI CA TIONS” section of this manual.
CLEANING
IMPORTANT: FOR BEST PERFORMANCE, KEEP MOWER
HOUSING FREE OF BUILT-UP 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 spark plug.
• 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 life.
• Keep fi nished surfaces and wheels free of all gasoline,
oil, etc.
• We do not recommend using a garden hose to clean
lawn mower unless the electrical system, muffl er, air
fi lter and carburetor are covered to keep water out.
Water in engine can result in shortened engine life.
CLEAN UNDER DRIVE COVER
Clean under drive cover at least twice a season. Scrape un-
derside of cover with putty knife or similar tool to remove any
build-up of trash or grass on underside of drive cover.
MAINTENANCE
FIG. 12
OIL FILLER CAP/DIPSTICK
LOWER
LIMIT
UPPER
LIMIT
ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classifi cation SF-SJ. Select the oil's SAE viscosity grade
according to your expected operating temperature.
NOTE: Multi-viscosity oils (5W30, 10W30 etc.) improve
starting in cold weather, and you should check your engine
oil level frequently 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 fi ve (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.
1. Disconnect spark plug wire from spark plug and place
wire where it cannot come in contact with spark 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 remove any oil trapped inside of engine.
4. Wipe off any spilled oil from lawn mower or side of
engine.
5. Fill engine with oil. (See “ADD OIL” in the Operation
section of this manual).
6. Reconnect spark plug wire to spark plug.