Installation manual
SPECIFICATIONS
25.5/23.5KW, 28.5/23.5KW,
33.0.26.0KW
EDE
ENGINE
SPECIFICATIONS
Engine
Type
Aspiration
Compression
Ratio
Governor
Combustion
Chamber
Bore
&
Stroke
Piston
Displacement
Hp@1800rpm
Diesel,
four-cycle,
fouf-cylinder,
fresh
water-cooled,
vertical
in-line
overhead
valve
mechanism.
Naturally
aspirated
21.8:1
Electronic
Swirl
type
98
x
110
mms
(3.86
x
4.93
iinches)
3.31
Itters
(202.53
cubic
inches)
55
Hp@
1500rpm
48
Rong
Order
Inclination
Weight
(dry)
1-3-4-2
Continuous
20°
Temporary
30°
(not
to
exceed
10
min.)
11351bs
(514.8
kgs)
TUNE-UP
SPECIFICATIONS
Compression
Pressure
(allowable
limtt)
Variation
between
cylinders
Injection
Timing
Engine
Speed
Valve
Clearance
(engine
cold)
Injector
Pressure
Valve
Timing
626
psi
(44
kgf/cm')
at
250
rpm
472
psi
(30.5
kgf/cm')
at
250
rpm
10%
or
less
rBTDC
1800
rpm
60
Hertz
1500
rpm
50
Hertz
0.23
to
0.27
mm
(0.00091
to
0.0106
inches)
1991
to
2134
psi
(140
to
150
kgf/cm')
Intake
Opens
W
BTDC
Intake
Closes
36°
ABDC
Exhaust
Opens
45°
BBDC
Exhaust
Closes
1 r
ATDC
ELECTRICAL
SYSTEM
Starting
Battery
Battery
CapacITy
DC
Charging
Aliemator
Starter
Starting
Aid
DC
Cran~ng
Current
12-Voli
DC
(-)
negative
ground
800-1000
CCA
60
Amp
rated,
belt-doven
2.5Kw,
12VDC
direct
dove
Glow
plugs,
sheathed
type
400
-
600
(includes
glow
plugs)
General
Operating
Temperature
Fresh
Water
Pump
Raw
Water
Pump
System
Capacity
(fresh
water)
Raw
Water
Flow
Rate
(at
1800
rpm)
General
Fuel
Fuel
Injection
Pump
Fuel
Injection
Timing
Injector
Nozzle
Fuel
Filter
Air
Intake
Air
Flow
Combustion
COOLING
SYSTEM
Fresh
water-cooled
engine
block,
thermostatically-controlled
with
heat
exchanger.
160
-180°
F
(71
-
82°
C)
Centrifugal
type,
metal
impeller,
belt-doven
Positive
displacement,
rubber
impeller,
gear-driven.
16
qts
(15.1Itters)
11.0
gpm
(41.6Ipm)
FUEL
SYSTEM
Open
flow,
seH
bleeding,
self
priming
(electromagnetic
fuel
pump)
No.2
diesel
(cetane
rating
of
45
or
higher)
Bosch
type
mini-pump
r
BTDC
(spill)
Bosch
throttle
type
Spin-on
type
Metal
screenlintake
silencer
box
105
ctm
(3.0
cmm)
LUBRICATION
SYSTEM
General
Oil
Filter
Sump
Capacity
(includes
oil
filter)
Operating
Oil
Pressure
(engine
hot)
Oil
Grade
Pressure
fed
system
with
external
relief
valve
Full
flow,
paper
element,
spin-on
type
14.0
U.S.
qts
(13.2Itters)
28
-
57
psi
(2.0
-
4.0
kg/em')
API
Specification
CF,
CG-4,
Cf-4
or
CH-4
SAE
10W-30,
15W-40
GENERATOR
COOLING
Air
Requirements
(generator
cooling)
0.8
Power
factor
untt.
500
CFM
(15.0
CMM)
NOTE:
Increase
cooling
air
flow
15%
for
slower
tuming
50hz
units.
Generator
Compartment
122°
F
(50°
C)
maximum
Ambient
Temperature
~
WESTERBEKE
Engines & Generators
31