Fuel - Generac Power Systems G0082500 Owner's Manual

Fuel

Explosion and Fire. Fuel and vapors are extremely
flammable and explosive. Add fuel in a well
ventilated area. Keep fire and spark away. Failure
to do so will result in death or serious injury.
Explosion and Fire. Do not overfill fuel tank. Fill to
1/2 inch from top of tank to allow for fuel expansion.
Overfilling may cause fuel to spill onto engine causing
fire or explosion, which will result in death or serious
injury.
Fuel requirements are as follows:
• Clean, fresh, unleaded gasoline.
• Minimum rating of 87 octane/87 AKI (91
RON).
• Up to 10% ethanol (gasohol) is acceptable
(where available, non-ethanol fuel is rec-
ommended).
• DO NOT use E85.
• DO NOT use a gas oil mix.
• DO NOT modify engine to run on alternate
fuels. Stabilize fuel prior to storage.
1. Verify unit is OFF and cooled entirely prior
to fueling.
2. Place unit on level ground in a well venti-
lated area.
Explosion and Fire. Verify fuel cap vent is set to
ON for operation, and OFF for transportation and
storage. Failure to do so could result in poor unit
performance, death, or serious injury.
3. Clean area around fuel cap.
4. Turn cap slowly to remove.
5. Slowly add recommended fuel. Do not
overfill.
NOTE: Fill to red insert inside filler neck. See
Figure 2-9.
6. Install fuel cap.
Figure 2-9. Internal Fuel Tank Level
NOTE: Allow spilled fuel to evaporate before
starting unit.
IMPORTANT NOTE: It is important to pre-
vent gum deposits from forming in fuel
system parts such as the carburetor, fuel
8
DANGER
DANGER
WARNING
002543
hose or tank during storage. Alcohol-
blended fuels (called gasohol, ethanol or
methanol) can attract moisture, which
leads to separation and formation of acids
during storage. Acidic gas can damage the
fuel system of an engine while in storage.
To avoid engine problems, the fuel system
(000105)
should be emptied before storage of 30
days or longer. See the
Never use engine or carburetor cleaner
products in the fuel tank as permanent
damage may occur.
(000166b)
(000362)
002543
Owner's Manual for Portable Generator
Storage section.