Westerbeke 20.0KW sbeg Operator's Manual page 55

WESTERBEKE 20KW AND 22.5KW SBEG GENERATOR SPECIFICATIONS
ENGINE SPECIFICATIONS
Engine Type
Governor
Combustion Chamber
Bore & Stroke
Piston Displacement
Firing Order
Direction of Rotation
Compression Ratio
Inclination
Horsepower Output
Weight 20Kw
22.5Kw
Fuel Consumption
(at lull amperage load
approximate gph (Iph)
Gasoline, four-cycle, four-cylinder,
fresh water-cooled, Vertical, in-line
overhead mechanism
1.0% speed regulation.
Multi·sphere type.
3.38 x 3.70 inches (86.0 x 94.0 mm).
133.26 cubic inches (2184 cubic centimeters)
1-3-4-2
Clockwise, when viewed from the front
8.6:1
Continuous 26 0
Temporary 30°
35hp at 1800 rpm
28hp at 1500 rpm
7411bs (336 kgs)
771lbs (349 kgs)
20Kw 2.0 gph
22.5Kw 2.2 gph
16Kw 6.31ph
18.7Kw 7.0lph
TUNE-UP SPECIFICATIONS
Compression Pressure
(limn
01
difference
between cyHnders)
Valve Timing
Valve Seat Angle
Valve Clearance
(engine warm)
Spark Plug Gap
Engine Timing
198.1 psi (14 kg/cm') at 400 rpm
28.0 psi 12.0 kg/cm'})
Intake Opens 2° BlOC
Intake Closes 53° ABDC
Exhaust Opens 57° BBDC
Exhaust Closes _2° AlOC
Intake 45°
Exhaust 45°
Intake 0.012 inches (0.3 mm)
Exhaust 0.012 inches (0.3 mm)
0.028 - 0.033 in (0.7 - 0.8 mm)
.1°
General
Distributor
Timing
ThroWe Body
Dwell
General
Fuel
Fuelliff Pump (wei)
Fuel Filler
(on engine)
Air Cleaner
(flame arrester)
Air Flow
(engine combustion)
General
Operating Temperature
Fresh Water Pump
Raw Water Pump
Raw Water Flow,
at 1800 rpm
Syslem Capacity
(coolant)
Engines
&
Generators
42
IGNITION SYSTEM
Battery ignition 12V negati\.' Jround.
Distributor with ignition module and ignitor.
Ignition coil and spark plugs.
Solid state type with signal generator and
ignitor.
33° BTDC at 1800 rpm ± .1 °
(vacuum advance connected)
Electronic fuel injector with
Electronic Governor
63° al 1800 rpm.
FUEL SYSTEM
Electronic Fuel Injection
Unleaded gasoline with an Oclane rating
of#89 or higher. Loss of power may result
from a lower Octane use.
Electric-liff capability of 6ff. (18mm)
Replaceable cartridge-screw on.
Metal screen type - cleanable.
69.5 clm (1.9 cmm)
COOLING SYSTEM
Fresh water-cooled block, thermostatically-
controlled with heat exchanger.
170 -190° F (77 - 88° C)
Centrilugal type, metal impeller, bell-driven
Positive displacement, rubber impeller,
belt driven.
6.7 gpm (25.3Ipm)
9.0 qls (8.5 liters)