Raw Water Pump; Valve Clearance - Westerbeke 8.0KW-60Hz Service Manual

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Engine Type
Displacement
Aspiration
'Combustion Chamber
Bore & Stroke
Fi~ng Order
Direction of Rotation
Compression Ratio
Dimensions -Inches (mm)
Engine Only
Inclination
Weight (dry)
12.5f9.4KW
15.0!12.0KW
. Fuel Consumption
(full amperage load)
12.5KW
9.4KW
15.0KW
12.0KW
HP@1800RPM
HP@1600RPM
SPECIFICATIONS· ENGINE
12.5/9.4KW EDT & 15.0/12.0KW'EDT
GENERAL
Diesel, four-cycle, four-cylinder, fresh water-
oooled, vertical In-line overhead valve
mechanism.
107.3cub~ Inches (1.758Ifter)
Naturallyaepirated.
Swi~ 1;Jpe.
3.07 x 3.62 inches (78 x 92 mm)
1-3-4-2
Clockwise, when viewed from the front.
22:1
Height 24.0 Inches (609.6 mm)
Width: 19.0 inches (482.6 mm)
Length: 34.6 inches (878.8 mm)
Continuous 15' (all directions)
Temporary 25' (not to exceed 30 minutes)
5611bs (254.5 kgs)
5691bs (258.1 kgs)
1.19 gph (4.50 Iph)
0.19 gph (3.44lph)
1.42 gph (5.38Iph)
1.12 gph (4.24Iph)
25HP
22HP
ELECTRICAL SYSTEM .
Starting Battery
Batteiy Capacl\Y
OC Charging Alternator
Starting Aid
Starter
Geneial .
Operating Temperaiure
Fresh Water Pump
Raw Water Pump
System Capacl\Y
(Fresh Water)
Raw Water Row
at 1800 rpm
(Measures before
discharging Into
exhaust elbow)
Engine Combustion Air
Requirements at
at
1800 rpm
Engine Combustion Air
Requirements
at
at 1500 rpm
12 Vott, (-) negative ground
800 -1000 Cold Cranking Amps (CCA)
50 Amp rated, belt-driven
Glow plugs, sheathed Iype
12 Volt, reduction gear'
COOLING SYSTEM
Fresh water-cooled block, themiostatlcally-
controlled with heet exchanger.
170-190' F
(77
-88' C)
. Centrifugal
typ~,
metal impeller, belt-drtven.
Positive displacement, rubber Impeller,
beltdrtven
8.0 US qts (7.61tters)
7-8 gpm (25.9 - 29.6 gpm)
56 elm (1.60 cmm)
46 cfm (1.31 cmm)
TUNE-UP SPECIFICATIONS
Compression Pressure
Minimum
Spilled llming (StaUc)
Valve Seat Angle
Engine Speed
Valve Seat Angle
Valve Clearance
Injector Pressure
Engine llming
427 psi (30 kg/cm') at 280 rpm
384 psi (27 kg/cm')
17' (spill) BTDC
Intake 45'
Exhaust 30'
1800 rpm (60Hz)
1500 rpm (50Hz)
Intake 45'
Exhaust 30'
0.25 Inches (0.0098 mm)
1991 +
n -
0 psi (140 + 5 - 0 kg/fcm').
17' BTDC
LUBRICATION SYSTEM
General
Oil Filter
Sump CepaCi\Y
(not including fitter)
Operating Oil Pressure
(engine hot)
011 Grade
Pressure fed system.
Full flow, paper element, spin-on type.
4.5 U.S. qts (4.3 liters)
40 - 60 psi (3.5 - 42 kg/cm')
API Specmcation CF or CG-4,
SAE 30, 10W-30, 15W-40
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WESTERBEKE
Engines & Generators
63