OHASHI ES72G Operation Manual page 37

REGULAR MAINTENANCE
6. Daily check
Before driving the engine, do the check out as follows.
7. Regular check
To keep the engine in good conditions, be sure to perform inspection and maintenance according
to the following schedule.
Inspection and tightning of bolt and nut
at each place
Engine oil level check and supply
Change of engine oil
Check for fuel and oil leaks.
Check and cleaning of air cleaner
Cleaning around the recoil starter
Cleaning of circumference of the
muffler cover
Check and cleaning of spark plug
Check and cleaning of fuel cock
Removal of carbon in combustion chamber
Check and adjustment of valve clearance
Replace the fuel lines.
Items marked with a ◎ require advanced skill and tools, so they should be done by the distributor.
Check dirt in air cleaner element.
Check fuel level.
Check for safety around the engine.
Check for unusual vibration and noise.
Check for loose or damaged bolts.
Check engine oil level and dirt.
Check for oil and fuel leaks.
Check for cleanliness around muffler
and recoil starter air intake.
Before Every
every 25 50~100
operation hours
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First after 20 hrs.
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Every 1000 hours (or when necessary)
- 34 -
Every Every
100~300
hours hours
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