Generac 6719 Portable Generator User Manual


 
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Always allow the generator to cool off before
storing. High temperatures will be present
at the rear of the unit for some time after
shutdown.
Figure 7 - Turn Off Fuel
TURNING THE FUEL OFF
LOW OIL LEVEL SHUTDOWN
This generator is equipped with a low oil level shut down. If the oil
level in the engine crankcase drops below a pre-determined level,
the engine will stop automatically and the “LOW OIL LEVEL” LED
will light up.
Remove the Left Side Service Cover and check the oil level of
the engine. Add or drain oil as necessary; refer to see the section
“ADDING ENGINE OIL”.
FUELING THE GENERATOR
Use care when fueling the generator. Only fill the fuel tank when the
generator has cooled entirely. Use fresh unleaded gasoline with a
minimum Research Octane Number (RON) of 87.
NOTE:
Do not use any gasoline containing more than 10% Ethanol.
NEVER fill the fuel tank with E85 or a mixture of oil and gasoline
designated for two-cycle engines.
Do not light a cigarette or smoke when filling the
fuel tank.

Gasoline is highly FLAMMABLE and its vapors
are EXPLOSIVE. Do not permit smoking, open
flames, sparks or heat in the vicinity while
handling gasoline.

Never fill fuel tank indoors. Never fill fuel tank
when engine is running or hot. Avoid spilling
gasoline on a hot engine. Allow engine to cool
entirely before filling fuel tank.

Do not overfill the fuel tank. Always allow
room for fuel expansion. If tank is over-filled,
fuel can overflow onto a hot engine and cause
FIRE or an EXPLOSION. Wipe up fuel spills
immediately!
TO FILL THE FUEL TANK
1. Remove the fuel tank cap.
Figure 8 - Fuel Tank Cap
FUEL
TANK
CAP
FILL TANK UNTIL
FUEL IS TWO (2)
INCHES BELOW
THE TOP
2. Add fuel slowly, stopping about two (2) inches below the top of
the filler neck.
3. Replace the fuel tank cap. Make sure the valve on the fuel cap
is in the “OFF” position.
4. If the generator is going to be started, refer to the section
“STARTING THE GENERATOR” for additional directions on
priming the fuel system.
ADDING ENGINE OIL
All oil should meet minimum American Petroleum Institute (API)
Service Class SJ, SL or better. Do not use any aftermarket additives.
Select the oil's viscosity grade according to the expected operating
temperature, only a little more than one-half quart is needed.
Above 40° F, use SAE 30
Below 40° F to 10° F, use 10W-30
Below 10° F, use synthetic 5W-30
10W-30
SAE 30
Synthetic 5W-30
Operation