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CUSTO RESPON
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Disconnect spark plug wire before performing any maintenance (except carburetor adjustment) to prevent
accidental starting of engine.
Prevent fires! Keep the engine free of grass, leaves, spilled oil, orfuel Remove fuel from tank before tipping
unitfor maintenance. Clean muffler area of all grass, dirt, and debris.
Do not touch hot muffler 0r cylinder fins as contact may cause burns.
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ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classification SF or SGo Select the oil s SAE viscosity grade
accordinq to your expected temperature,
SAE VISCOSITY GRADES ......
_F *20_ 0" 30_ 32_ 40_ 60_ 8Q_ 100_
°c .3'o,. ._oo -lo, `0° 1oo _o° 30° 4'0"
TEUPEaATURE_A._EANTICtPATEOBEFO.ENEXTOILCaANaE
FIG. 16
NOTE: Afthough multi-viscosity oils (5W-30, 10W-30, etc)
improve starting in cold weather', these multi-viscosity oils
wilt result in increased oil consumption when used above
32°F (0°C)_ 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 ifthe tiller
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_ Add SAE
30 motor oil or equivalent. Tighten oil filler plug securely
each time you check the oil level,,
TO CHANGE ENGINE OIL (See Figs. 16 and 17)
Determine temperature range expected before oil change,
All oil must meet API service classification SF or SG
° Be sure tiller'is on level surface°
o Oil will drain more freely when warm_
= Use a funnel to prevent oil spifl on tiller, and catch oil in
a suitable container°
o Remove drain plug.
o Tip tiller' forward to drain oil.
= After oil has drained completely, replace oil drain plug
and tighten securely,_
o Remove oil filler plug,. Be careful not to allow dirt to
enter the engine_
° Refill engine with oil See "CHECK ENGINE OIL
LEVEL" in the Operation section of this manual
OIL
DRAIN
PLUG_
OIL LEVEL
PLUG
FIG. 17
AIR FILTER (See Fig. 18)
Your engine will not run properly using a dirty air filteL
Clean the foam pre-cleaner after' every 25 hours of opera-
tion or every season, Service paper cartridge every 100
hoursof operation or every season, whichever occursfirst. 14
Service ah' cleaner more often under' dusty conditions°
• Loosen air cleaner' cover screws. Remove cover' and
air cleaner assembly from base.
o Remove air cleaner asssembly from inside cover' and
disassemble.
TO SERVICE PRE-CLEANER
o Wash it in liquid detergent and water°
= Squeeze it dry in a clean cloth.
° Saturate it in engine oil,, Wrap it in clean, absorbent
cloth and squeeze to remove excess oil
TO SERVICE CARTRIDGE
o Gently tap the flat side of the paper cartridge to dis-
lodge dirt_, Do not wash the paper cartridge or use
pressurized aim',as this wilt damage the cartridge°
Replace a dirty, bent, or' damaged cartridge.
• Re-assemble retainer on we-cleaner and cartridge
(screen side of pre-cleaner toward cartridge pleats),,
Place assembly into cover,
o Insert tabs on cover into slots in base and tighten cover
.............screws securely.
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,
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PRE-CLEANER COVER TAB BASE
CARTRIDGE /
RETAINER
, COVER
SCREWS
DUAL ELEMENT"CARTRIDGE AIR CLEANER
FIG. 18
COOLING SYSTEM (See Fig. 19)
Your engine is air cooled° For proper engine performance
and long life keep your engine clean.
= Clean airscreen frequently using astiff-bristled brush.
o Remove blower housing and clean as necessary.
° Keep cylinder fins free of dirt and chaf[
,BLOWER
HOUSING
SCREEN
FIG. 19