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• Carbon monoxide poisoning from engine exhaust. Be sure there is adequate ventilation whenever you
operate the engine.
• Burns from hot parts. Let the engine and exhaust system cool before you touch it to prevent burns.
• Injury from moving parts. Wear appropriate clothing, tie back long hair, and stay alert around the
generator to prevent injury from moving parts.
Read the instructions before you begin, and make sure you have the tools and skills required.
Your authorized service center knows your generator best and is fully equipped to do maintenance and repair.
To ensure the best quality and reliability, use only new genuine parts or their equivalents for repair or replacement.
CAUTION: To reduce the possibility of fire or explosion, be careful when working around gasoline.
Use only a nonflammable solvent, not gasoline, to clean parts. Keep smoking, sparks, and
flames away from all fuel-related parts.
MAINTENANCE SCHEDULE
Daily
50 hours (Weekly)
100 hours
3 years
NOTE: Initial oil change should performed after first 25 hours of use. Thereafter change oil every 50 hours.
Before changing oil, check for a suitable way to dispose of the old oil. Do not pour it down into
sewage drains, onto garden soil or into open streams, Your local zoning environmental regulations
will give you more detailed instructions on proper disposal.
Items marked with a
HITACHI Service Center.
Check the air cleaner
Check oil level and refill to the upper level before starting the engine.
Check all the points as follows:
Fuel level at fuel gauge, Oil and Fuel leakage, Bolt and nut tightening
Any damage of components.
Clean and wash air-cleaner element.
More often if used in dirty or dusty environments.
Change engine oil.
(The initial oil change must be conducted after the first 25 hours
operation.)
Check spark plug, and clean and adjust if necessary.
Check and clean the cock.
Replace spark plug.
Replace air-cleaner element.
Decarbonize cylinder head, valves and piston.
Inspect control panel components.
Check rotor and stator.
Replace engine mount rubber.
Overhaul engine.
Change fuel lines.
required advanced skill and tools, so they should be done by the authorized
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