Engine - OHASHI ES72G Operation Manual

REGULAR MAINTENANCE

ENGINE

* Refer to the engine manual for details.
1. Engine oil change
(* Refer to "Re-fueling")
After first 20 hours of operation
Every 100 hours
(1) Stop engine. Drain the oil while it is warm.
The oil drains quickly if yellow oil gauge is
removed.
(2) When refilling, be sure that the drain plug is fixed
firmly to the tank. 0.55 liter of oil can be filled in.
(3) Deteriorated engine oil causes not only
decrease in machine ability but also machine
failure. Periodically drain old oil, and pour
required amount of new oil.
CAUTION
Be very careful of hot oil and avoid getting burned.
2. Clean maintain the spark plug
Every 100 hours of operation
(1) If the spark plug is blackened by carbon,
remove the carbon attached to the electrode,
polish the electrode with emery paper.
(2) If the electrode gap is not correct,
adjust the gap to 0.7mm.
(3) If the engine will not run even after cleaning
the spark plug and adjusting the electrode gap,
replace the old spark plug with new one.
* Spark plug product Nos.
NGK BP6HS
TORCH E6RC
(4) When install a new or re-adjust spark plug,
insert the plug cap securely.
3. Inspection and cleaning of the fuel cock
DANGER
Keep Fire Away
(1) Check that water and dirt has not
collected in the strainer cap.
(2) If there is dirt in the strainer cup, set
the fuel cock to CLOSE position and
remove the strainer cap.
(3) Remove the deposit in the cap, and
clean the net. Replace the strainer cap,
seating it fully into the hole.
CAUTION
If the engine carburetor and governor are not
working correctly the feed roller process and
chipping process are effected. If these areas
are not working properly consult your
dealer immediately.
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