Before Starting The Generator; Adding Engine Oil; Adding Gasoline; Starting Pull Start Engines - Generac Power Systems GP Series Owner's Manual

Operation
Slow Cooker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
*Submersible Pump (1-1/2 HP) . . . . . . . . . . . . . . . . . . . . . . . . 2800
*Submersible Pump (1 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000
*Submersible Pump (1/2 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . 1500
*Sump Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .800 to 1050
*Table Saw (10") . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1750 to 2000
Television . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200 to 500
Toaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1000 to 1650
Weed Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
* Allow 3 times the listed watts for starting these devices.

2.7 BEFORE STARTING THE GENERATOR

Prior to operating the generator, engine oil and gasoline will need
to be added, as follows:

2.7.1 ADDING ENGINE OIL

All oil should meet minimum American Petroleum Institute (API)
Service Class SJ, SL or better. Use no special additives. Select
the oil's viscosity grade according to the expected operating
temperature (also see chart).
• Above 40° F, use SAE 30
• Below 40° F and down to 10° F, use 10W-30
• Below 10° F, use synthetic 5W-30
1 0 W -3 0 1 0W-30
Synt hetic 5W-30 Synthetic 5W-30
Any attempt to crank or start the engine

before it has been properly serviced with the
recommended oil may result in an engine
failure.
• Place generator on a level surface (not to exceed 15° in any
direction).
• Clean area around oil fill and remove oil fill cap.
• Slowly fill engine with oil until the dipstick reads full. Stop filling
occasionally to check oil level.
• Install dipstick and finger tighten securely.
• Check engine oil level before starting each time thereafter.
10
SAE 3 0 SAE 30

2.7.2 ADDING GASOLINE

 NEVER fill fuel tank indoors. Avoid spilling

gasoline on hot engine. Allow engine to cool
entirely before adding fuel. NEVER fill fuel tank
when engine is running or hot. DO NOT light
a cigarette or smoke when filling the fuel tank.
Gasoline is highly flammable and its vapors are
EXPLOSIVE.
 Do not overfill the fuel tank. Always leave room

for fuel expansion. If the fuel tank is overfilled,
fuel can over flow onto a hot engine and cause
fire or an explosion. Wipe up any spilled fuel
immediately.
• Use regular UNLEADED gasoline with the generator engine. Do
not use premium gasoline. Do not mix oil with gasoline.
• Clean area around fuel fill cap, remove cap.
• Slowly add unleaded regular gasoline to fuel tank. Fill to bottom
of screen filter. Be careful not to overfill (Figure 11).
• Install fuel cap and wipe up any spilled gasoline.
IMPORTANT: It is important to prevent gum deposits from forming
in fuel system parts such as the carburetor, fuel 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 should be emptied before storage of 30 days or
longer. See the "Storage" section. Never use engine or carburetor
cleaner products in the fuel tank as permanent damage may occur.
Figure 11 - Fuel Tank
Fuel Tank
Fuel

2.8 STARTING PULL START ENGINES

Never start or stop engine with electrical

devices plugged into the receptacles AND
devices turned on.
• Unplug all electrical loads from the unit's receptacles before
starting the engine.
• Make sure the unit is in a level position (not to exceed 15° in
any direction).
• OPEN the Fuel Shut-off Valve (Figure 12).
• Turn engine RUN/STOP switch to ON position (Figure 13).
DO NOT Fill Above Lip