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Maintenance
6
MaintenanceSchedule
Each Useor
Every S Hrs.
,/
EverySeason
or 25 Hours
Every Season
or SOHours
EverySeason
orlO0 Hours
Service
Dates
First S Hours
CheckEngineOil Level
Change EngineOil _
Check Air Cleaner (If soequipped) M /
Service Air Cleaner (If so equipped) V""
CheckSparkPlug _//
Replace Spark Plug _//
Clean EngineShroud (If so equipped) M /
Clean around muffler M /
Periodic inspection and adjustment of the engine is essential
if high level performance is to be maintained. Regular
maintenance will also ensure a long service life. The required
service intervals and the kind of maintenance to be performed
are described in the table above. Follow the hourly or calendar
intervals, whichever occur first. More frequent service is required
when operating in adverse conditions.
_ ARNING! Shut offthe engine before performing
any maintenance. To prevent accidental start-up,
disconnect the spark plug boot.
NOTE: If engine must be tipped to transport equipment or to
inspect or remove grass, keep spark plug side of engine up.
Transporting or tipping engine spark plug down may cause
smoking, hard starting, spark plug fouling, or oil saturation of air
cleaner.
i_ WARNING! If the engine has been running, the
muffler will be very hot. Be careful not to touch the
muffler.
Checkingand Changingthe EngineOil
Oil Recommendations
Refer to viscosity chart in Fig. 6-I for oil recommendations. Do
not over-fill. Use a 4-stroke, or an equivalent high detergent,
premium quality motor oil certified to meet or exceed
U.S. automobile manufacturer's requirements for service
classification SG, SF,SH or SJ. Motor oil classifications will show
this designation on the container.
m30
20w40,2Ow50___mhb'
I I v
15w40,15w50___mhh
I v
10W40 ,_m,_m,m_m,mm_m_
I t'_
10W30 ___m
_____L___
(0C)-30 o -20 o -10 ° 0 ° 10° 20 o 30 o 40 o
("F)-20° 0° 200 400 600 800 100 °
Figure 6-1
NOTE: Do not use non-detergent oil or 2-stroke engine oil. It
could shorten the engine's service life.
To avoid engine damage, it is important to:
Check oil level before each useand every 5 operating hours
when the engine is warm.
Change the oil after the first 5 operating hours and every
50 operating hours thereafter. Engine should still be warm
but NOT hot from recent use.
13
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