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1.10 SPECIFICATIONS
1.10.1 GENERATOR SPECIFICATIONS
1.10.2 ENGINE SPECIFICATIONS
Make ........................................................................................................Ford
Displacement ....................................................................................3.0 liters
Cylinder Arrangement ...............................................................................V-6
Valve Arrangement ................................................................Overhead Valve
Firing Order ..................................................................................1-4-2-5-3-6
Number of Main Bearings ............................................................................4
Compression Ratio .............................................................................9.3 to 1
No. of Teeth on Flywheel ..........................................................................164
Ignition Timing at 1800 rpm ...............................................30 degrees BTDC
Spark Plug Gap ...................................................................0.042-0.046 inch
Recommended Spark Plugs
Motor Craft ..........................................................................AG, SF 32PGM
Oil Pressure .....................................................................................40-50 psi
Crankcase Oil Capacity .........................................5.0 U.S. quarts (4.7 liters)
Recommended Engine Oil ..........................................................SAE 5W-20
Type of Cooling System .................................. Pressurized, closed recovery
Cooling Fan ................................................................................Pusher Type
Cooling System Capacity .................................. 3.0 U.S. gallons (11.4 liters)
Recommended Coolant ............................................. Use a 50-50 mixture of
ethylene glycol base and de-ionized water.
1.11 FUEL CONSUMPTION
Natural Gas:
% of Load 25% 50% 75% 100%
m
3
/hr 3.1 5.9 8.5 11.0
ft
3
/hr 110.3 209.0 299.5 387.0
LP Vapor:
% of Load 25% 50% 75% 100%
m
3
/hr 1.3 2.4 3.5 4.5
ft
3
/hr 45.6 86.4 123.8 160.0
NOTE:
Fuel consumption is given at rated maximum
continuous power output when using natural gas
rated at 1000 Btu per cubic foot. LP gas is rated at
2520 Btu per cubic foot. Actual fuel consumption
obtained may vary depending on such variables as
applied load, ambient temperature, engine condi-
tions and other environmental factors.
Fuel pressure for a natural gas set up should be five
inches to 14 inches of water column (0.18 to 0.5
psi) at all load ranges.
Fuel pressure for an LP vapor set up should be 11
inches to 14 inches of water column (0.4 to 0.5
psi) at all load ranges.
1.12 RECONFIGURING THE FUEL
SYSTEM
NOTE:
All models are configured for natural gas from the
factory.
To reconfigure the fuel system from NG to LP vapor,
follow these steps:
1. Turn the main gas supply off.
2. Remove the carburetor fuel hose from the outlet
port (Port 1) of the demand regulator (Figure
1.8).
3. Remove the brass hose fitting from the outlet port
(Port 1) of the demand regulator.
4. Remove pipe plug from Port 2.
5. Install brass hose fitting into Port 2.
6. Install pipe plug into Port 1.
7. Connect carburetor gas hose to brass fitting.
8. Tighten all clamps and plugs.
9. Make sure fuel supply is of the proper pressure
and type for configuration.
10. Reverse the procedure to convert back to natural
gas.
Figure 1.8 — Reconfigure the Fuel System
NG FUEL SYSTEM
LP FUEL SYSTEM
Port 1
Port 2
FUEL HOSE
BRASS HOSE
FITTING
HOUSING
PORTS
OUT
PORT 2
PLUG
FUEL HOSE
BRASS HOSE
FITTING
HOUSING
PORTS
PLUG
OUT
PORT 1
NOTE:
Port 1 is for NG only and Port 2 is for LP vapor
only. No provision for dual fuel has been made.
DANGER
Serious injury or damage may occur if not con-
figured properly. Please consult an Authorized
Service Dealer with any questions.
Section 1 — General Information
Liquid-cooled 30 kW Generators
7
Single-phase
Model 004988-4
Rated Max. Cont. 27 (NG), 30 (LP)
AC Power Output (kW)
Rated voltage (volts) 120/240
No. of Rotor Poles 4
Driven Speed of Rotor 1800
Rotor Excitation System Direct excited brush type
Type of Stator 4 Wire
Rotor/Stator Insulation Class F/H