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9
SERVICE AND MAINTENANCE
WARNING
Shut off the engine before performing any maintenance. To prevent accidental start-up, remove safety key (if equipped),
disconnect the spark plug wire and ground against the engine.
WARNING
If the engine has been running, the muffler will be very hot. Allow engine and muffler to cool before performing any
maintenance.
General Recommendations
If engine must be tipped to transport equipment, inspect and 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.
Periodic inspection and adjustment of the engine is essential to maintaining engine performance and service life.
Required service intervals and maintenance are described in the table below. Follow the hourly or calendar intervals as listed. More
frequent service is required when operating in adverse conditions.
Maintenance Schedule
Service
First 5
Hours
Each Use
or Every
5 -10 Hrs.
Every
Season or
25 Hours
Every
Season or
50 Hours
Every
Season or
100 Hours
Service Dates
Check Engine Oil Level
P
Change Engine Oil *
P P
Change Engine Oil FIlter*
P
Check Air Cleaner
P
Service Air Cleaner **
P
Check Spark Plug
P
Replace Spark Plug
P
Clean Cooling fins
P
Clean around Muffler and Finger Guard
P
Replace Fuel Filter
P
* Every season or 25 hours if operating under heavy load or high ambient temperature.
** Service more frequently when used in dusty areas.
Oil Service
• Check oil level regularly.
• Be sure correct oil level is maintained. Check every 5 hours or
daily before starting engine. Checking Oil Level/Adding Oil
on page 5.
OIL CHANGE
IMPORTANT: Be sure to check engine on a level surface with the
engine stopped. Drain the oil while the engine is still warm to
assure rapid and complete draining.
1. Remove all fuel from tank by running engine until it stops
from lack of fuel.
2. Remove drain plug (a) and allow oil to drain into a suitable
container (Figure 6).
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