Westerbeke 7.5 MCGA - Generator Specifications; Engine Specifications; Fuel System Specifications; Electrical System Specifications

Operator Manual for Gasoline Generators 9 Generator Specifications
page 41
9 Generator Specifications
9.1 Specifications: Engine
Item
Description
Engine Type
3-cylinder, 4-cycle, overhead camshaft water cooled gasoline engine
Bore & Stroke
2.69 x 2.75 inches (68.5 x 70.0 mm.)
Total Displacement
48.5 cubic inches (0.796 liters)
Bearings
Four (4) main bearings
Combustion Chamber
Semi-spherical
Compression Ratio
9 0:1
HP @ 1800 rpm
12.5 hp
Firing Order
1-3-2
Aspiration
Naturally aspirated
Direction of Rotation
Clockwise viewing the front crankshaft pulley
Inclination
20° Maximum all directions
Governor
Electronic
Dry weight
Refer to your sales brochure
9.2 Specifications: Fuel System
Item
Description
Fuel System Type General
Multi-port fuel injection
Fuel Source
Unleaded gasoline with an octane rating of 89 or higher.
Fuel Consumption
Refer to your sales brochure
Fuel Hose Size
(supply and return)
Minimum: 1/4" I.D.
Maximum: 3/8" I.D.
Fuel Pump
12-volt electric (high/low pressure)
Fuel Filter (on engine)
Replaceable cartridge-canister type
Air Cleaner (flame arrestor)
Metal screen type -cleanable
9.3 Specifications: Electrical System
Item
Description
Starting Battery
12-Volt, (-) negative ground
Battery must be totally dedicated to the generator and maintained only by
the DC charge controller system in the AC generator
Battery Capacity
Minimum Rating of 800–1,000 Cold Cranking Amps (CCA)
Starter
12-Volt, reduction-solenoid mounted
DC Charging
12-Amp rated, solid state controller
DC Cold Cranking Amps
120 Amps @ 70 degrees F
9.4 Specifications: Air Requirements
Item
Description
Generator Cooling
225–250 CFM (6.3–7.0 cmm)
Engine Combustion (all models)
21 CFM (0.6 cmm)
Engine Cooling
100 CFM (2.8 cmm)
NOTE: Forced ventilation should be provided to maintain generator compartment temperatures below 122° F (50° C).