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OM-166 941 Page 10
4-4. FUEL
WARNING: REMOVE FUEL CAP SLOWLY;
FUEL SPRAY may cause injury; FUEL may
be under pressure.
• Rotate fuel cap slowly and wait until hissing
stops before removing cap.
ENGINE FUEL can cause fire or explosion.
• Stop engine before checking or adding fuel.
• Do not spill fuel; if spilled, wipe up.
• Do not refuel if engine is hot or running.
• Do not refuel near sparks or open flame.
• Do not smoke while refueling.
• Do not fill fuel tank to top; allow 1/2 in. (13
mm) from fuel to tank top for expansion.
• Do not weld on fuel tank.
IMPORTANT: Fill fuel tank up to 1/2 in. (13 mm) from
top with fresh fuel before starting engine the first time.
Rust and corrosion preventative was added to inside of
fuel tank and engine at the factory and could cause
rough engine running if not properly diluted with a full
tank of fresh fuel.
The capacity of the fuel tank is 30 gallons U.S. Measure
(114 liters). See the Engine Manufacturer’s Manual for
fuel recommendations. Chart 4-1 illustrates typical fuel
consumption under specific load conditions. Fuel con-
sumption varies from one engine to another. Different
brands of fuel, operating conditions, condition of the en-
gine, etc., also affect the fuel consumption level.
Keep the fuel tank filled to ensure that the injector sys-
tem receives an adequate supply of fuel. The fuel cap is
located on the lower front panel, behind the right access
door (see Figure 4-2). If the fuel tank is allowed to empty,
air will enter the system, causing starting problems. The
Engine Manufacturer’s Manual outlines procedures for
air bleeding the fuel system.
4-5. LUBRICATION (Figure 4-2)
A. Oil And Oil Level Indicator
The engine is shipped with its crankcase filled with SAE
20 break-in oil. An oil level indicator is provided on the
lower front panel of this unit (see Figure 4-2). If oil level is
below the lower pointer when engine is running, add oil
according to the recommendations in the Engine Man-
ufacturer’s Manual (F4L-912 engine). The oil cap is lo-
cated under the access door on the top cover.
IMPORTANT: This engine is equipped with an Oil Pres-
sure Shutdown gauge/switch and an Oil Temperature
Shutdown gauge/switch. If oil pressure becomes too
low or oil temperature rises to a level that may cause en-
gine damage, the respective gauge/switch shuts down
the engine. The shutdown oil pressure has been factory
set at 30 psi (207 kPa), and the shutdown oil tempera-
ture has been set at 265°F (130°C).
B. Wetstacking Considerations
Wetstacking is an accumulation of unburned fuel and oil
in the exhaust pipe. The engine may use oil and wet-
stacking may occur during the run-in period if the piston
rings are not seated properly. If oil consumption and
wetstacking occur during run-in period, see Section
8-12.
4-6. EQUIPMENT GROUNDING TERMINAL
GROUND
This unit is equipped with a grounding terminal for
grounding the generator case. The grounding terminal
is located on the lower front panel (see Figure 4-2).
Since the generator neutral is connected to the frame,
the equipment grounding terminal must be connected to
a proper earth ground. Additionally, comply with all na-
tional, regional, and local codes concerning portable
generators for the specific application.
For detailed grounding instructions consult your na-
tional, regional, and local codes. If additional informa-
tion regarding your operating circumstances and/or
grounding requirements is needed, consult a qualified
electrician or your dealer. After determining the extent to
which any grounding requirements apply to your par-
ticular situation, follow them explicitly.
Chart 4-1. Fuel Consumption Curve
SB-168 472