Firman P03618 Operator's Manual page 21

ENGINE MAINTENANCE
To prevent accidental starting, remove and
ground spark plug wire before performing any
service.
Change Engine Oil
Change engine oil every 100 hours.
(for a new engine, change oil after 25 hours.)
If you are using your generator under extremely
dirty or dusty conditions, or in extremely hot
weather, change the oil more often.
CAUTION
Avoid prolonged or repeated skin contact with
used motor oil.
•
Used motor oil has been shown to cause skin
cancer in certain laboratory animals.
•
Thoroughly wash exposed areas with soap
and water.
(a) Drain oil by removing the drain plug and the
oil filler cap while the engine is warm.
NOTE:
Please use an approved container to catch and
recycle the used oil.
(b) Reinstall the drain plug and fill the engine
with oil until it reaches the HIGH(H) level on the
oil filler cap.
English
DRAIN PLUG
Page 19
•
Use fresh and high quality lubricating oil to the
specified quantity.
If contaminated or deteriorated oil is used or
the quantity of the engine oil is not sufficient,
engine damage will result and its life will be
greatly shortened.
Air Filter Maintenance
Maintaining an air filter in proper condition is
very important. Dirt induced through improperly
installed, improperly serviced, or inadequate
elements damages and wears out engines.
Always keep the element clean.
(a) Take out the air cleaner, clean it well in
kerosene and dry it.
(b) After wetting the element with clean engine
oil squeeze it tight by hand.
(c)Lastly, put the element in the case and install
it securely.
Customer Service: 1-844-FIRMAN1