Craftsman 917.373231 Owner's Manual page 46

3one convertible
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CUSTO
ESPONSU mLmTJE$
ENGUNE
LUBRICATION
Use only high quality detergent oil rated with API service
classification
SG.
Select the oil's SAE viscosity grade
according to your expected operating temperature.
SAE VISCOSITY
GRADES
_F
"20°
0_
3o°
a2° 40"
60°
_0°
100° ,
°c .___3o0.='oo .loo
;0_
_oo
30 °
40"
TEMPERATURE
RANGE
ANTICIPATED
BEFORE
NEXT OIL CHANGE
NOTE:
Although multi-viscosity oils (5W30, 10W30 etc,,)
improve starting in cold weather, these multi-viscosity oi]s
will result in increased oil consumption when used above
32°Fo Check your engine oit 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. 13)
.
Disconnect spark plug wke 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,,
o
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,,
o,
Wipe off any spilled oil on lawn mower and on side of
engine.
-
Fill engine with oil.
Fill only to the "FULL" line on the
dipstick.
DO NOT OVER FILL.
Replace engine oil cap,
Reconnect spark plug wire to spark plug,
AIR FILTER
Your engine will not run properly and may be damaged by
using a dirty air' filter,,
Replace the air fiiter every year, more often if you mow in
very dusty, dirty conditions,,
TO CLEAN AIR FILTER (See Fig,, 14)
°
Loosen screw and tilt cover to remove,,
Carefully remove cartridge,.
Clean by gently tapping on a flat surfacer If very dirty,
replace cartridge or clean as follows: Wash in a low or
non-sudsing detergentandwarmwatersotution.
Rinse
thoroughly
with flowing water from mesh side until
water runs clear, Let cartridge airdry thoroughly before
using.
CAUTION:
Petroleum
solvents, such
as kerosene,
are not to be used to clean
cartridge.
They may cause deteriora-
tion of the cartridge.
Do not oil car-
tridge.
Do not use pressurized
air to
clean or dry cartridge.
install cartridge, then replace cover making sure the
tabs are aligned with the slots in the back plate. Fasten
screw securely.
14
LIP
CARTRIDGE
CONTAINER
FIG. 13
BACK PLATE
3OVER
TABS
SCREW
FIG. 14
COVER
MUFFLER
Inspect and replace corroded muffter 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 spark plug gap at .030 inch.
CLEANaNG
IMPORTANT:
FOR BEST
PERFORMANCE,
KEEP
MOWER HOUSING FREE OF BUILT*UP
GRASS AND
TRASH.,
CLEAN UNDERSIDE OF MOWER HOUSING
AFTER EACH USE.
i i ,i
,..nr'.r,
I ill
inln
ill
n.nn
CAUTION:
Disconnect
Spark plug wire
from spark plug and place wire where it
cannot come in contact with the spark
plug.
i,
..........................
......................
i i
Turn lawn mower on its side, Make sure air' fifter 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 life,
°
Keep finished 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, muffler', air
filter 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
underside of cover with putty knife or similar tool to remove
any build-up of trash or grass on underside of drive cover,

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