Westerbeke 12.5 BTDA - Page 34

Engine Type
Governor
CornbuGtion Chamber
Bore & Stroke
Piston Displacement
Firing Order
Direotion of Rotation
Maximum Torque
(at 1800 rpm)
Compression Ratio
Compression Pressure
Valve liming
Valve Seat Angle
Valve C!Barance
(engine cold)
lnjeotion Pressure
Engine Speed
Engine Timing
Dimensions
Weight
Fuel Consumption
(approximate)
Inclination
General
Operating Temperature
Fmsh Water Pump
Raw Water Pump
Raw Water Flow,
at 1800 rpm
System Capacity
(fresh water)
SPECIFICATIONS
WESTERBEKE 8.0 KW BTD GENERATOR
SPECIFICATIONS
Diesel, four-cycle, three-cylinder, fresh
water-cooled, vertical in-line overhead valve
mechanism,
(14 hp at 1800 rpm maximum).
Mechanical, centrifugal weight type
Swirl chamber type
2.B7 x 3.07 inches (73 x 78 mm)
60 cubic inches (0.979 liters)
1 • 3-2
Clockwise, when viewed from the front
41.50 lb-tt (5.73 kg-m)
23:1
455.2 psi (32 kg/em') at 280 rpm
Intake Opens 18° BTDC
Intake Closes 46° ABDC
Exhaust Opens 46° BBDC
Exhaust Closes 18° ATDC
Intake 45°
Exhaust 45•
Intake 0.0098 inches (0.25 mm)
Exhaust 0.0098 inches (0.25 mm)
1707 psi (120 kg/em' + 10 kg/em' - Okg/cm'
1800 rpm 60 Hertz
1500 rpm 50 Hertz
19° BTDC
Height 21.8 inches (552.72 mm)
Width: 17.00 inches (431.80 mm)
Length: 28.20 inches (716.28 mm)
450 los (204.12 kgs)
0.9 gph (3.40 lph) at full rated output
Continuous 15°
Temporary 20° (not to exceed 20 min.)
COOLING SYSTEM
Fresh water-cooled block, thermostatically-
controlled with heat exchanger.
170 • 190° f (77- 88° C).
Centrifugal type, metal impeller, belt-driven.
Positive displacement, rubber impeller,
belt-driven.
8.5 US gpm (32.2 lpm) (measured
before discharging into exhaust elbow).
5.0 Qts (4.73 liters).
General
Fuel
Fuel
Injection Pump
Fuel Injection Timing
Nozzle
Injectors
Fuel Pump
Fuel Filter (on engine)
Air cleaner
Air Flow
FUEL SYSTEM
Open flow, self bleeding
# 2 D(cetane rating of 45 or higher) SAE J313
Diesel grade according to ASTM D975
Nippon Denso (Bosch M Type)
19° ±.5° BTDC (static timing)
Throttle type
Pintle Type
12 Volt DC, Electro-Magnetic type
Canister type with replaceable element
Metal screen type - cleanable
32 cfm (.906 cmm)
LUBRICATION SYSTEM
General
Oil Filter
Sump Capacity
(not including filter)
Operating Oil Pressure
(engine hot)
Oil Grade
Pressure type by Trichoid pump, gear driven
with external pressure relief valve
Full flow, paper element, spin-on type.
3.3 U.S. gals (3.121iters).
40 • 80 psi (2.8 - 5.6 kg/em').
API Specification CF, CG-4, CH-4, Cl·4, CJ-4 or
better
SAE 10W·30 or 15W-40.
ELECTRICAL SYSTEM
Starting Battery
Battery Capacity
DC Charging Alternator
Regulator
Starter
Starting Aid
DC No-Load Current
DC Cranking Current
12-Volt, (·)negative ground
400 - 600 Cold Cranking Amps (CCA)
12 Volt DC, 50 Amp
Internal regulator built into alternator
12-Volt, 1.2 ~. reduction, solenoid mounted
Glow plugs, sheathed type
90 Amps max. at 11.5 volts
175-200 Amps (engine cold)
EXHAUST EMISSIONS SYSTEMS
Emission Control
Systems
Smoke Puff Limiter
L""'IWESIERBEKS
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