Westerbeke 65A-FOUR - Raw Water Pump

65-A -FOUR SPECIFICATIONS
ENGINE SPECIFICATIONS
Engine Type
Aspiration
Compression Ratio
Governor
Combustion Chamber
Bore & Stroke
Piston Displacement
Hp@2800rpm
firing Order
Inclination
Weight (dry)
Diesel, four-cycle, four-cylinder, fresh
water-cooled, vertical in-line overhead valve
mechanism
Naturally aspirated
22.6: 1
Electronic
Swirl type
98 x 110 mm (3.86 x 4.93 inches)
3.31 lilers (202.53 cubic inches)
65
1 -3 -4 -2
Continuous 14
0
Temporary 25° (not to exceed 10 min.)
7321bs (352 kgs)
TUNE-UP SPECIFICATIONS
Compression Pressure
(allowable limit)
Variation between
cylinders
Injection Timing
Engine Speed (rpm)
Valve Clearance
(engine cold)
Injector Pressure
Valve TIming
626 psi (44 kgflcm') at 250 rpm limit
(472 psi (30.5 kgl/cm'})
10% or less
13° 8TaC
Idle - 750 - 1000
Cruise - 2000 - 2400
Max. - 2750 - 2800
0.23 - 0.27 mm
(0.00091 ·0.0106)
1991 - 2134 psi (140 -105 kgflcm')
Intake Opens W BTaC
Intake Closes 36° ABDC
Exhaust Opens 45° BBDC
Exhaust Closes 1 yo ATaC
ELECTRICAL SYSTEM
Starting Battery
Battery
Capac',ty
DC Charging Allernator
Starter
Starting Aid
DC Cranking Current
12-Volt DC (-) negative ground
800 -1000 CCA
60 Amp rated, belt driven
2.5Kw, 12 VDC direct drive
Glow plugs, sheathed type
400 - 600 (includes glow plugs)
NOTE: Engine Idle Speed must be adjusted with the engille at
nonnal operating temperature. Idle speed should be adjusted
in the range specified where it operates the smoothest.
Different model transmissions will affect engine idle speeds.
General
Operating Temperature
Fresh Water Pump
Raw Water Pump
Raw Water Flow,
at 2800 rpm
System Capacity
(fresh water)
Air Flow Engine Cooling
COOLING SYSTEM
Fresh water-cooled engine block,
thermostatically-controlled with heat exchanger.
160-180
0
f(71-82°C}
Centrifugal type, metal impeller, belt-driven
Positive displacement, rubber impeller,
gear-driven.
17.0 US gpm (41.6Ipm)
16.0 gpm (151Ipm)
150 clm (4.2 cmm)
NOTE:- The pressure differential between the outside of the engine
compartment versus the inside of the engine compartment should not exceed
2 inches of water (51 mm) at full open throttle (measure with a manometer)
General
fuel
Fuellnjeclion Pump
Fuel Injection Timing
Injector Nozzle
fuel filter
Air Intake
Air Flow Combustion
FUEL SYSTEM
Open flow, self bleeding - self priming
(electromagnetic fuel pump)
No.2 diesel oil (cetane rating of 45 or higher)
Bosch type mini pump
yo BlDC (spill)
Bosch throttle type
Spin-on type
Metal screenlintake silencer box
165 clm (4.7 cmm)
LUBRICATION SYSTEM
General
Oil filter
Sump Capacity
(includes oil lilter)
Operating Oil Pressure
(engine hot)
Oil Grade
Exhaust Elbow
Exhaust Hose Size
Pressure fed system wi~h external relief valve
Full flow, paper element, spin-on type
14.0 U.S. qts (13.2 liters)
28 - 57 psi (2.0 - 4.0 kg/cm')
API Specification CF or CG-4, Cf-4 or CH-4
SAE 30, 10W-30, 15W-40
EXHAUST
45°
3" 1.0. (76.2 mm)
~ WESTERBEKE
Engines & Generators
68