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English Customer Service: 1-844-FIRMAN1
ENGINE MAINTENANCE
Air Filter Maintenance
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,
the engine damage will result and its life will be
greatly shortened.
NOTE:
Change Engine Oil
To prevent accidental starting, remove and
ground spark plug wire before performing any
service.
If you are using your generator under extremely
dirty or dusty conditions, or in extremely hot
weather, change the oil more often.
Avoid prolonged or repeated skin contact with
used motor oil.
CAUTION
Used motor oil has been shown to cause skin
cancer in certain laboratory animals.
Thoroughly wash exposed areas with soap
and water.
•
•
•
Change engine oil every 100 hours.
(for a new engine, change oil after 25 hours.)
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.
(
(d) Put the element in the case and install it
securely.
(a) Loosen the cover screws and remove the
maintenance cover.
(b) Remove the oil filler cap/dipstick.
(c) Tilt the generator on its side and allow the oil to
drain completely.
(d)
. DO NOT OVERFILL.
(e) Reinstall the maintenance cover and tighten the
cover screws.
(f) Dispose of used oil at an approved waste
management facility.
Fill the engine with oil until it reaches the HIGH
(H) level on the oil filler cap
(a) Remove the maintenance cover and locate the
air filter plastic cover.
(e) Reattach the air filter cover.
(f) Reinstall the maintenance cover and tighten the
cover screw securely.
c) After wetting the element with clean engine
oil squeeze it tight by hand.
(b) Remove the foam element.
Please use an approved container to catch and
recycle the used oil.
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