Bcg Generator Specifications - Westerbeke 4.5 BCG Operator's Manual

Engine Type
Governor
Combustion Chamber
Bore & Stroke
Piston Displacement
Firing Order
Direction
of
Rotation
Maximum Torque (at 1800 rpm)
Compression Ratio
BCG GENERATOR SPECIFICATIONS
Gasoline, four-cycle, three-cyl:nder, fresh water-cooled
Vertical, In-line overhead valve mechanism
(8 bhp at 1800 rpm, maximum). FUEL SYSTEM
Hoof, llyball type, 5% speed regulation.
General
Multi-sphere type. Fuel
2.44 x 2.38 inches (92.Q .x.69,5 mm)
2.62
x
3.19" ( 66.6
x
81mm >A-MODEL.
Fuel Pump
33.4 cubic inches (.547 llter) Fuel
Screens
(on engine)
51.6 cubic inches ( 0.846 liter
J
A-MODEL
1-2-3
Air cleaner
·Clockwise, when viewed from the front
Air Row (engine combustion)
13.5 lbf-ft
COOLING SYSTEM
10.0:t 9.5:1 (A·MODEL)
General
Conventional carburetor type with fuel pump.
Regular or unleaded gasoline With an
octane
rating
of
89 or higher.
12-volt DC; lift capacity 5 ft (1.5 m)
Reusable screen type Oocated
at
inlet to cartrurator).
Metal
scnien
type -
cleanable.
18 cfm (0.509 cmm) at 1800
rpm.
Fresh water-cooled bloek,
thermoslatlcally-controlled
with a heat exchanger.
Compression Pressure 19& 1
ps~{11.0
kgf.pm
2 )
at 400 rpm(213.3psiI15,0 kg(
cm;!)
(Limit
Qf
difference between cylinders
(21psi ( 1.5kglcmi'
1 ])
(A-MODEL)
130 - 150"F (55 - 66"C )
Valve Timing Intake Opens 32" BTDC
<2l
A-MODEL )
Operating Temperature
Intake Closes 52" ABDC (
62" A-MODEL)
Centrifugal type, belt-driven, 1.13:1.
Valve Seat Angle
Valve Clearance
(engine warm)
Engine Speed
Dimensions
Dry Weight
Fuel Consumption
Inclination
INTAKE SYSTEM
Carburetor (STD type)
IGNmON SYSTEM
General
OistribiJtor
Spark Plug Thread Size
Spark Plug Type
Exhaust Opens 56" BBDC (
62°Ji-MODEL}.
Exhaust Closes 28° ATDC (
28° M1/jODEL}
lntake45"
Exhaust 45"
Intake 0.010 inches (0.25 mm)
F.xhaust 0.012 inches (0.30 mm)
1800 rpm 60 hertz.
· 1500 rpm 50 hertz.
Length: 26.50 inches (673.1 mm)
· Width:· 1s.:!4 inches (465:8 min)
Height: 23.44 Inches (595.4mm)
Approx. 309 lbs (140. i kgs)
0.8 U.S. gph {3.02 lph) at full rated output (approximate).
Continuous 14°
Temporary 20• (not to exceed 20 min.)
Manual
with
butterlly
Shaped valve, single barrel
with U.S.C.G. appr&Ved !lame arrester.
Battery ignition, 12-volts (negative ground),
distributor with points, ignition coil and spark
plugs. . .
Conventional, contact-point type.
14x1.25 mm_pltch (0.55 x 0.05 in.)
Westefbeke part number 33805
(Pdways Identify the generator model
when ordering parts. See page 5.)
Fresh Water Pump
Sea Water Pump
Sea Water Row, at 1800
rpm
(measured before discharging
into exhaust elbow)
System Capacity (fresh water)
LUBRICATION SYSTEM
General
OD Filter
Positive displacement, rubber impeller, belt-driven.
3.75-4.0 U.S. gl)m (14.19-15.141pm)
4.2 U.S. qts (3.9 liters)
Fully-Force fed type by Trochold pump.
crankshaft-drlVen.
FuU llow,
papar
element, spin-on
type.
Sump Capacity (not including fUter) 3.0 qts (2.8 liters)
Operating
OD Pressure (engine hot) 50 - 70 psi (3.5 • 4.9
kg/cm2)
OU
Grade
ELEcTiuCAL SYSTEM
Starting Battery
Battery
capacity
DC Battery
Charger
Starter
DC No-Load Current
DC Cranking Current
AP/ category SJ,SN, SL, SM,
or
better.
SAE 30W or 10W-30
12-volt, 24
A-H, (-)
negative
grouiid
(recommended) (28
A-H
in cold areas).
400
to
600 CCA RATED
Integral controller
tS:.volt.
10 amp
Oocated
in the AC alternator).
12-volt, 1.2 KW, Magnlito engaging type.
ro amp(max.)
at 11.5
volts.
100 -125
amps
(engine
cold).
1-W:IWBSTSRBEKE
(Engines
&
Generators
42