Fuel - Generac Power Systems XT8500EFI Owner's Manual

6. Thread dipstick into oil filler neck. Oil level
is checked with dipstick fully installed.
7. See Figure 2-13. Remove dipstick and ver-
ify oil level is within safe operating range.
Figure 2-13. Safe Operating Range
8. Install oil fill cap/dipstick and hand-tighten.

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-premium fuel
is recommended).
• 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 for a mini-
mum of two minutes prior to fueling.
2. Place unit on level ground in a well venti-
lated area.
3. Clean area around fuel cap and remove
cap slowly.
4. See Figure 2-14. Slowly add recom-
mended fuel. Do not fill above inner lip (A).
5. Install fuel cap.
Owner's Manual for Portable Generator
DANGER
(000105)
DANGER
(000166b)
Figure 2-14. Add Recommended Fuel
NOTE: Allow spilled fuel to evaporate before
starting unit.
000116
IMPORTANT NOTE: It is important to pre-
vent gum deposits from forming in fuel
system parts such as the fuel hose or tank
during
(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 should be emp-
tied before storage of 30 days or longer.
See the
or carburetor cleaner products in the fuel
tank as permanent damage may occur.
storage. Alcohol-blended
Storage section. Never use engine
A
000230
fuels
11