English Customer Service: 1-844-FIRMAN1
When Transporting Generator
Transport with fuel tank EMPTY or with fuel valve knob in OFF position.
Do not tip generator at an angle which causes fuel to spill.
Disconnect LPG/ NG fuel hose and securely stow away.
ENGINE MAINTENANCE
To prevent accidental starting, remove and ground spark plug wires before performing any service.
Change Engine Oil and Oil filter
Change engine oil every 100 hours. (for a new engine, change oil and oil filter 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.
KEEP OUT OF REACH OF CHILDREN. DON’T POLLUTE. CONSERVE RESOURCES. RETURN USED OIL
TO COLLECTION CENTERS.
(b) Change the Oil filter. Turn close the drain oil plug and fill the engine with oil until it reaches
the HIGH(H) level on the oil filler dipstick.
NOTICE We recommend using FIRMAN SAE 10W-30 API SL oil for best performance. Other high-
quality detergent oils (API SL or higher) are acceptable. See Oil and Gasoline
21
Maintenance - Storage
(a) Turn on the drain oil plug A and drain oil by the drain hose B. Removing oil filler cap while the
engine is warm.
H
L
Dipstick
A
B
C
mm
mm
Oil Filter: FIRMAN P/N
BOSCH 0986AF0062 or FRAM PH4967F.
399715751,
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