OPERATORS MANUAL - Westerbeke

Engine Type
Aspiration
Governor
Combustion Chamber
Bore & Stroke
Piston Displacement
Firing Order
Direction of Rotation
Maximum Torque
(al 1800 rpm)
Compression Ratio
Dimensions
SPECIFICATIONS
WESTERBEKE 20 KW BEDA GENERATOR
SPECIFICATIONS
Diesel, four-cycle, four-cylinder, fresh
water-cooled Vertical. in-line overhead valve
mechanism (33 hp at 1800 rpm maximum),
Naturally aspirated.
Electronic Governing
Swirl type
3.50 x 4.0 inches (88.9 x 101.6 mm)
154 cubic inches (2.5Iilers)
1-3-4-2
Clockwise, when viewed from the front
117Ib-ft (16.18 kg-m)
21:1
Height: 28.50 inches
Width: 22.00 inches
Length: 45.79 inches
Weighl 943lbs (431.7 kgs)
(723.9 mm)
(546.1 mm)
(1163.3 mm)
Fuel Consumplion 2.0 gph (7.57 Iph) al lull raled oulpul
(approximate)
Inclination Continuous 15 0
Temporary 20 0 (not to exceed 20 min.)
Generator Power Take off 30 Horsepower (maximum)
TUNE-UP SPECIFICATIONS
Compression Pressure 427 psi (30 kg/cm1) at 200 rpm
(Limit of difference between
cylinders) (47.2 psi 130 kg/cm'l)
Valve Timing
Valve Seat Angle
Valve Clearance
(engine cold)
Engine Speed
Injector Pressure
Engine Timing
Inlake Opens 17' BTOC
Inlake Closes 47" ABDC
Exhausl Opens 51" BBDC
Exhaust Closes t 3" ATOC
Intake 45"
Exhaust 30"
Intake 0.Ot2 inches (0.3 mm)
Exhausl 0.012 inches (0.3 mm)
t 800 RPM 60 Hertz
1500 RPM 50 Hertz
1920 + 71-0 psi (135 + 5-0 kg/cm')
StatiC timed - drop valve method
0.205 + .005 inches BTOC
General
Fuel
Fuel Injection Pump
Fuel Injection TIming
Nozzle
Fuel Filter
(on engine)
Air cleaner
Air Flow
(engine combustion)
General
Operating Temperature
Fresh Water Pump
Raw Water Pump
Raw Water Flow,
al 1800 rpm
System Capacity
(fresh water)
General
Oil Filter
Sump Capacity
(not including filter)
Operating Oil Pressure
(engine hoi)
Oil Grade
Engines & Generators
43
FUEL SYSTEM
Open flow, self priming - 1 bleed point
No.2 diesel oil (cetane rating of 45 or higher)
ZEXEL Model VE Dislribulor
0" TOC (Top Dead Cenler)
Thronle type
Spin-on type, full flow
Metal screen type
81.0 cfm (2.29 cmm)
COOLING SYSTEM
Fresh water-cooled block. Ihermostaticallycontrolled
with heat exchanger.
170 -190" F (77 - 88" C)
Centrifugal type, metal impeller, belt-driven
Positive displacement, rubber impeller,
belt driven.
14.0 gpm (52.9Ipm) (measured
before discharging into exhaust elbow).
11.5 qls (10.8811Iers)
LUBRICATION SYSTEM
Pressure fed system
Full flow, paper element, spin-on type
6.5 U.S. qls (6.15 hlers)
plus filter/cooler assembly
50-60 pSi (3.5 - 4.2 kg/em')
API Specification of CF or CG-4,
SAE30, 10W-30, 15W-40