Yanmar 3JH4E User manual

Marine Installation Manual - Volume 2 3JH4E-1
© 2007 Yanmar Marine International
3JH4E
Marine Installation Manual - Volume 2
Page
Engine Specifications .................................................................... 2
Marine Gear / Sail Drive Specifications......................................... 3
Fuel System Specifications ........................................................... 4
Cooling System Specifications ...................................................... 4
Air Intake and Exhaust Specifications ........................................... 5
Alarm System Specifications......................................................... 5
Engine Outline with KM35A........................................................... 6
Engine Outline with KM35P........................................................... 7
Engine Outline with SD50.............................................................. 8
Piping Diagrams .......................................................................... 10
Electrical System......................................................................... 12
Performance Curves.................................................................... 20
Controls ....................................................................................... 21
Power Take-Off ........................................................................... 24
PTO Performance Curves ........................................................... 25
Engine Mount Specifications ....................................................... 26
Cold Starting Aids........................................................................ 28
Air Venting for V-Drive Applications ............................................ 28
Water Heater Tank Connection................................................... 28
Optional Accessories................................................................... 29
JUN 2006 (Rev. 1)

3JH4E 3JH4E
3JH4E-2 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
3JH4E
Engine Specifications
Notes:
1. Rating condition:
* Fuel temperature: 25°C at fuel pump
inlet ISO 3046-1
** Fuel temperature: 40°C at fuel pump
inlet ISO 8665
Fuel density: 0.842 g/cm3at 15°C
2. 1 HP (hp metric) = 0.7355 kW
Parameter Data
Configuration 4-cycle, Vertical,
Water-Cooled Diesel
Crankshaft Rotation
(Viewed from Stern)
Counterclockwise
Combustion System Direct Injection
Aspiration Naturally Aspirated
Number of Cylinders 3
Bore x Stroke 88 mm x 90 mm
(3.47 in. x 3.55 in.)
Displacement 1.642 L
(100.2 cu in.)
Continuous Rating
Output at Crankshaft
(at 2907 rpm)
26.7 kW*
(36.3 hp metric)*
Brake Mean Effective
Pressure
(Continuous Rating
Output)
0.67 MPa
6.80 kgf/cm2
(97.18 psi)
Piston Speed
(Continuous Rating
Output)
8.7 m/sec.
(28.54 ft/sec.)
Maximum Output at
Crankshaft
(at 3000 rpm)
29.4 kW*
(40 hp metric)*
or
28.7 kW**
(39 hp metric)**
Brake Mean Effective
Pressure
(Maximum Output)
0.72 MPa
7.3 kgf/cm2
(104.43 psi)
Piston Speed
(Maximum Output)
9.0 m/sec.
(29.53 ft/sec.)
High Idling Speed 3325 ± 25 rpm
Idling Speed 800 ± 25 rpm
Firing Order -240° -240° -240°
1 - 3 - 2 - 1
Starter Motor DC 12 V, 1.4 kW
Alternator DC 12 V, 80A
DC12 V, 60A - Option
Minimum Battery
Capacity
DC 12 V, 80 Ah
Cooling System Fresh water cooling by
centrifugal fresh water
pump and rubber
impeller seawater pump
Coolant Capacity
(Engine)
4.5 L
(4.76 qt)
Coolant Recovery
Tank Capacity
0.8 L
(0.85 qt)
Engine Lubrication
System
Forced lubrication with
trochoid pump
Engine Oil Capacity at
8° Rake Angle
(Effective / Maximum)
1.1 / 5.0 L
(1.16 / 5.28 qt)
Engine Oil Capacity at
0° Rake Angle
(Effective / Maximum)
1.2 / 5.5 L
(1.27 / 5.81 qt)
Dry Weight
(with KM35P)
185 kg
(408 lb)
Dry Weight
(with KM35A)
186 kg
410 lb)
Dry Weight
(with SD40 / SD50)
213 kg
(470 lb)
Recommended
Installation Rake Angle
KM35P: 8°
KM35A: 0°
SD40 / SD50: 0°
Maximum Installation
Rake Angle
KM35P: 15°
KM35A: 8°
Parameter Data
JUN 2006 (Rev. 1)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-3
© 2007 Yanmar Marine International
Marine Gear / Sail Drive
Specifications
Use either KM35A or KM35P marine gear or SD50
sail drive with the 3JH4E engine. The KM35A and
KM35P marine gears and the SD50 sail drive has a
mechanical cone clutch.
KM35A
KM35P
SD40 / SD50
Parameter Data
Reduction Ratio
(Ahead)
2.33 / 2.64
Reduction Ratio
(Astern)
3.04
Marine Gear Oil
Capacity
(Effective / Maximum)
0.15 / 0.65 L
(0.16 / 0.69 qt)
Propeller Rotation
(Viewed from Stern)
Clockwise
Dry Weight
(without Engine)
13 kg
(29 lb)
Parameter Data
Reduction Ratio
(Ahead)
2.36 / 2.61
Reduction Ratio
(Astern)
3.16
Marine Gear Oil
Capacity
(Effective / Maximum)
0.05 / 0.5 L
(0.052 / 0.53 qt)
Propeller Rotation
(Viewed from Stern)
Clockwise
Dry Weight
(without Engine)
12 kg
(27 lb)
Parameter Data
Reduction Ratio
(Ahead)
2.32
Reduction Ratio
(Astern)
2.32
Sail Drive Oil Capacity
Standard
2.2 L
(2.3 qt)
Sail Drive Oil Capacity
Standard - Old Style
SD40
1.8 L
(1.9 qt)
Sail Drive Oil Capacity
Long-Reach - Extension
58
2.35 L
(2.48 qt)
Sail Drive Oil Capacity
Long-Reach - Extension
100
2.45 L
(2.59 qt)
Propeller Rotation
(Viewed from Stern)
Counterclockwise or
Clockwise
Dry Weight
(without Engine)
39 kg
(86 lb)
JUN 2006 (Rev. 1)

3JH4E 3JH4E
3JH4E-4 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Fuel System Specifications Cooling System Specifications
Parameter Data
Maximum Fuel Feed
Pump Suction Head
0.5 m
(19.69 in.)
Maximum Fuel Feed
Pump Discharge
Volume (Engine at
3000 rpm)
9.2 L/min.
(2.44 gal/min.)
Maximum Fuel Feed
Pump Discharge
Pressure (Engine at
3000 rpm)
12.73 kPa
(1.85 psi)
Fuel Inlet Pipe
Connector Outer
Diameter
8 mm
(0.315 in.)
Fuel Return Pipe
Connector Outer
Diameter
8 mm
(0.315 in.)
Fuel Consumption at
Continuous Rated
Output
7.8 L/hr
(2.06 gal/hr)
Parameter Data
Maximum Seawater
Pump Suction Head
0.5 m
(19.7 in.)
Seawater Inlet Pipe
Connector Outer
Diameter
26 mm
(6.87 in.)
Thermostat Operating
Temperature
(Full Open)
90°C
(194°F)
Thermostat Operating
Temperature (Opening)
76.5°C
(169.7°F)
Maximum Overflow
Pipe Length
(Coolant Recovery
Tank to Filler Cap)
1.0 m
(39.37 in.)
Maximum Overflow
Pipe Outer Diameter
(Coolant Recovery
Tank to Filler Cap)
9 mm
(0.355 in.)
Water Heater Tank
Connector Thread Size
RC 3/8
JUN 2006 (Rev. 1)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-5
© 2007 Yanmar Marine International
Air Intake and Exhaust Specifications Alarm System Specifications
Parameter Data
Exhaust Pipe Outer
Diameter
Connection
76.2 mm
(3.0 in.)
Minimum Engine
Room Fresh Air
Exchanges
(Ventilator Capacity)
6.0 cu m/min.
(212.0 cu in./min.)
Maximum Air Inlet
Depression
4.0 kPa
408 mmAq
(16.06 in.Aq)
Maximum Back
Pressure (measured
within 250 mm
[9.8 in.] of exhaust
manifold inlet)
30.0 kPa
3059 mmAq
(0.31 kgf/cm2)
Maximum Output
Exhaust
Temperature
(measured within
250 mm [9.8 in.] of
exhaust manifold
inlet)
650°C
(1202°F)
EPA Exhaust Test
Port Size
Location: Heat Exchanger
G 3/4 - 14 BSPP*
* NOTE: Back pressure measured from EPA test
port located on the heat exchanger. CAUTION!
Test ports are British Standard Pipe Parallel
(BSP) not National Pipe Thread (NPT). BSP and
NPT threads are not compatible due to the thread
pitch. Mixing can cause thread damage.
Maximum
Turbocharger Boost
Pressure
-
Maximum Engine
Room Ambient
Temperature
60°C
(140°F)
Parameter Data
Coolant Alarm Switch
Operating
Temperature
ON:
97 - 103°C
(206.6 - 217.4°F)
OFF:
90 - 97°C
(194 - 206.6°F)
Engine Oil Alarm
Switch Operating
Pressure
9.8 - 29.4 kPa
(1.43 - 4.27 psi)
NOV 2007 (Rev. 3)

3JH4E 3JH4E
3JH4E-6 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Engine Outline with KM35A
Figure - 1
Unit: mm
412 190
93.2
330
480
191.2
243.6
(274)
517.6
MAX.110
MIN.100
R167
(202.5)
(72.5)
622.6
120.4
79.5
WATER INLET
ø
26
(266.4)
U-MIXING ELBOW
ø
76
(OPTIONAL)
)
5.
041(
32
431.4
174
206
210210
168
ø
78
ø
32
ø
50
+0.025
- 0
ø
78
6
7.5
60
6
776
173
°
194.1
7
ø
120
143
72347
152
226.5
49
274
REVOCTLEB 295
PC
ø
68
)R
OT
ANR
E
TLA(NOITPO 401
538.6
269
N
O
I
TA
TOR
TELNILEUF
ø
8
WOL
FR
EV
O
LEUF
ø
8
DAEHA
NRET
SA
4-
ø
17
001#D
ISKCOLBGNITNU
O
M
051
#DIS
K
COL
B
GNITNUOM
A
WOBLEGN
I
XIM
03X21
ø
12
WO
B
LEGN
IXI
M
-U
YEL
LUPFOLIATED
A
WORRAFO
N
OITCE
REDNIWEIV
NOIT
ATORFONOITCERI
D
5.1X01M-302
/
41HTPED
GN
ILPUOC
F
O
L
I
AT
E
D
4-
ø
10.5
2
PC
ø
50
+0.025
-0
(87)
14
87
1
3
0003818
ETON .TH
G
IEHLANIGIROTAS
KC
OLBGNITNUOMSWOHS.GWD
.
1.)XORPPA(MM4YBSKCOLBS
S
ERPMOCLLIWTHG
IE
WENIG
NE .Y
ROSSECCADRADNATSRO
F
DEPP
IU
QEER
A
SK
CO
LB
GN
I
TNUOM
.
2
Y
T
IVA
RG
FO
R
E
TNEC
SWOHS
.
3
202.5
MIXING ELBOW Ø
76.2
72.5166
NOV 2007 (Rev. 3)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-7
© 2007 Yanmar Marine International
Engine Outline with KM35P
Figure - 2
Unit: mm
TELNILEUF
ø
8
WOLF
REV
OL
EU
F
ø
8
-4
ø
71
0
01#DISKCOLBGNITNU
O
M
0
5
1
#DI
S
K
CO
LB
G
N
ITN
UOM
A
W
OBLE
GN
I
XIM
03X2
1
ø
2
1
WO
BL
E
G
N
I
XI
M-
U
YELLUPFOLIATED
AWORRAFONOITCERIDNIWEIV
NO
IT
AT
O
R
F
O
NO
I
T
C
E
R
ID
5
.
1
X
0
1
M-
30
2/4
1HT
P
ED
GNILPUOCFOLIATE
D
-4
ø
5
.
0
1
NO
I
TATOR
962
3.4
27
3.777
210 210
2
14
4
1
6.835
622.6
431.4
U-MIXING ELBOW
ø
(OPTIONAL)76
)(
5.041
1
.4
91
6.7
15
)
(
4
7
26
.
3
4
2
PC
ø
78
0
84
65
MAX.110
MIN.100
32
4
6
ø
100
ø
50
+0.025
0
ø
32
191.2
167
03
3
5.7
2.394
.
021
87
)(
78
)(
5.27
6
()
202.5
()
266.4
()
65
6
0
2
4
7
1
3.961
60
)ROTANR
E
T
L
A(
NOI
T
P
O104
REVOCTLEB 592
4
7
2
5
.
6
22
2
51
74
WATER INLET
ø
26
49
7
ø
120
0
9
1
3
4
1
φ
50
+0.025
0
PC
ø
68
2
1
0003817
ETON .TH
G
IEHLANIGIROTAS
KC
OLBGNITNUOMSWOHS.GWD
.
1.)XORPPA(MM4YBSKCOLBS
S
ERPMOCLLIWTHG
IE
WENIG
NE .Y
ROSSECCADRADNATSRO
F
DEPP
IU
QEER
A
SK
CO
LB
GN
I
TNUOM
.
2
Y
T
IVA
RG
FO
R
E
TNEC
SWOHS
.
3
202.5
MIXING ELBOW Ø
76.2
72.5166
ASTERN
AHEAD
NOV 2007 (Rev. 3)

3JH4E 3JH4E
3JH4E-8 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Engine Outline with SD50
Figure - 3
Notes:
1. Drawing shows mounting blocks at original height.
2. Engine weight will compress blocks by approximately 4.0 mm (0.16 in.).
3. Mounting blocks are equipped for standard accessory.
4. shows center of gravity.
5. Unit: mm
0003819
JUN 2006 (Rev. 1)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-9
© 2007 Yanmar Marine International
Flywheel / Flywheel Housing Dimensions
Figure - 4
Unit: mm
II - 4 - 5
Ø 333.4
Ø 314.32+0.13
0
Ø 276H8+0.072
0
Ø 190H8
4
8
15
2
45.5
+0.072
0
PC Ø 170
22.5˚
22.5˚
PC Ø 250
167
6-M8TAPPED HOLES
DEPTH 15/21
6-M8TAPPED HOLES
DEPTH 15/21
(FOR DUMPER DISK)
8-M8THREAD HOLES(EQUALLY SPACED)
DEPTH 15/21
R10
0003820
JUN 2006 (Rev. 1)

3JH4E 3JH4E
3JH4E-10 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Piping Diagrams
KM35A / KM35P
Figure - 5
Notes:
1. Dimension of steel pipe : outer dia. x thickness.
Dimension of rubber pipe : inner dia. x thickness.
2. Fuel rubber pipes (marked * ) satisfy EN/ISO7840.
NOV 2007 (Rev. 3)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-11
© 2007 Yanmar Marine International
SD40 / SD50
Figure - 6
Notes:
1. Dimension of steel pipe : outer dia. x thickeness.
Dimension of rubber pipe : inner dia. x thickeness.
2. Fuel rubber pipes (marked *) satisfy EN/ISO7540.
0004176
*
***
*
*
*
*
NOV 2007 (Rev. 3)

3JH4E 3JH4E
3JH4E-12 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Electrical System
Starter Specifications
Performance Curve for Starter
Figure - 7
Parameter Data
Yanmar Code 129608-77010
Starter Model S114-817A (Hitachi)
Voltage 12 V
Output 1.4 kW
(1.9 hp metric)
Direction of Rotation
(Viewed from Pinion
Side)
Clockwise
Weight 3.0 kg (6.6 lb)
Rating 30 seconds
Number of Pinion
Teeth
11
No-load Terminal
Voltage
11 V
No-load Maximum
Current
90A (maximum)
No-load rpm 2700 (minimum)
Loaded Terminal
Voltage
8.4 V
Loaded Maximum
Current
250A
Loaded Torque 8.3 N·m (0.85 kgf-m)
(6.12 lbf-ft) minimum
Loaded rpm 1000 (minimum)
0003807
rpm
(rpm)
JUN 2006 (Rev. 1)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-13
© 2007 Yanmar Marine International
Panels
The 3JH4E uses a new B-type (VDO) panel and a
C-type (VDO) panel.
B-Type (VDO)
Figure - 8
C-Type (VDO)
Figure - 9
0
10
20 30
40
SLOW
SLOW
STOP
STOP
OFF
OFF
ON
START
START
50
165
180
521
041
(1) (2) (3) (4)
(5)
0002780
(6)(7)(8)
1. Coolant High
Temperature Alarm
Lamp
2. Engine Oil
Pressure Alarm
Lamp
3. Water in Drive
Alarm Lamp
4. Battery Low
Charge Alarm
5. Engine Stop
6. Key Switch
7. Tachometer
8. Hourmeter
(1) (2) (3)(4) (5) (6)
(7)
(8)
(10)
(9)
(11)
(12)
0003140
165
255
140
125
1. Coolant High
Temperature Alarm
Lamp
2. Coolant
Temperature
Gauge
3. Seawater Flow
Alarm Lamp
4. Water in Fuel
Alarm Lamp
5. Water in Sail Drive
Alarm Lamp
6. Battery Low
Charge Alarm
Lamp
7. Engine Stop
Pushbutton
8. Starter Key Switch
9. Hourmeter
10. Tachometer
11. Engine Oil
Pressure Gauge
12. Engine Oil
Pressure Alarm
Lamp
JUN 2006 (Rev. 1)

3JH4E 3JH4E
3JH4E-14 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Standard Alternator Data Performance Curve for 80A Alternator
Figure - 10
Parameter Data
Yanmar Code 119573-77201
Alternator Model LR180-03C
IC Regulator Model TR1Z-63
Battery Voltage 12 V
Nominal Output 12 V / 80A
Earth Polarity Negative Earth
Direction of Rotation
(Viewed from Pulley
End)
Clockwise
Weight 5.8 kg (12.8 lb)
Rated Speed 5000 rpm
Operating Speed 1200 - 9000 rpm
Speed for 13.5 V at 20°C
(68°F)
1200 rpm or less
Output Current for 13.5 V 75A or more at 5000
rpm
Voltage Regulation at
20°C (68°F), Voltage
Gradient, -0.01 V/°C
14.5 ± 0.3 V
0004129
JUN 2006 (Rev. 1)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-15
© 2007 Yanmar Marine International
Optional Alternator Data Performance Curve for 80A Alternator
Figure - 11
Parameter Data
Yanmar Code 128271-77200
Alternator Model LR160-741
IC Regulator Model SA-A
Battery Voltage 12 V
Nominal Output 12 V / 60A
Earth Polarity Negative Earth
Direction of Rotation
(Viewed from Pulley
End)
Clockwise
Weight 4.2 kg (9.2 lb)
Rated Speed 5000 rpm
Operating Speed 1050 - 18,000 rpm
Speed for 13.5 V at
20°C (68°F)
5000 rpm
Output Current for
13.5 V
56A or more at 5000
rpm
Voltage Regulation at
20°C, Voltage Gradient,
-0.01 V/°C
14.4 ± 0.3 V
JUN 2006 (Rev. 1)

3JH4E 3JH4E
3JH4E-16 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Wiring Diagrams
Panel: B and B Type (VDO)
Figure - 12
Alarm lamps
Procured by customer
diodes
YW
45678
10 2
1
3
WL YG
WBr
9
3R
R
W
R
L
Wire harness
L
B
O
P
Instrument panel (sub station) (Option)
17 AC
30
G1G2
LB
Option
1
2
3
1
2
3
Alarm lamps
diodes
YW
14
15 16 17 18
12
11
13
WL YG
WBr
R
W
Fuse (3A)
R
L
Wire harness
Wire harness for sub panel
only for sail drive
3R 3W
YW WL WG B
RB LB O YG
WB YR Y WR
YB GB G GR
Key switch
GLOW OFF ON START
30 AC G1 G2 17
3L
A
A
31
L
B
O
P
Instrument panel (Main station) (Option)
17 AC
30
G1G2
LB
B L YG RB
12V
Battery switch
2R
2B
2B 5R
3L
Relay Option
Option
WBr
WL
YW
B
W/Y
2R
2W
S
B
3R
10B
10R
Y
OB
B E
B E
R
L
RB LB
RB
LB
RB
YG
LB
R
L
5R
12V
33
32
22
21
26 27 28 29
30
23 24
25
only for sail drive
Earth bolt
0004185
JUN 2006 (Rev. 1)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-17
© 2007 Yanmar Marine International
3JH4E / 4JH4E - B-Type Instrument Panel
Color Coding Description
RRed
BBlack
WWhite
LBlue
RB Red / Black
LB Blue / Black
YW Yellow / White
YB Yellow / Black
YG Yellow / Green
WL White / Blue
WB White / Black
WG White / Green
GR Green / Red
O Orange
WBr White / Brown
1 Starter Switch
2 Stop Switch
3 Tachometer / Hourmeter
4Buzzer
5 Lubricating Oil Low Pressure Alarm
6 Coolant High Temperature Alarm
7 Water in Sail Drive Seal Alarm
8 Battery Low Charge Alarm
9 Relay (for 2 station - Optional)
10 Fuse (3A)
11 Starter Switch
12 Stop Switch
13 Tachometer / Hourmeter
14 Buzzer
15 Lubricating Oil Low Pressure Alarm
16 Coolant High Temperature Alarm
17 Water in Sail Drive Seal Alarm
18 Battery Low Charge Alarm
19 -
20 -
21 Air Heater (Optional)
22 Engine Stop Solenoid
23 Stop Relay
24 Starter Relay
25 Starter
26 Coolant High Temperature Switch
27 Lubricating Oil Low Pressure Switch
28 Alternator (Optional)
29 Alternator
30 Water In Sail Drive Seal Sensor (on Sail
Drive)
31 Water in Sail Drive Seal Sensor
Amplifier (Sail Drive Only)
32 Battery (Optional)
33 Battery
34 -
35 -
JUN 2006 (Rev. 1)

3JH4E 3JH4E
3JH4E-18 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Panel: B and C Type (VDO)
Figure - 13
Alarm lamps
Procured by customer
diodes
YW
45678
10 2
1
3
WL YG
WBr
9
3R
R
W
R
L
Wire
harness
L
B
O
P
Instrument panel (sub station) (Option)
17 AC
30
G1
G2
LB
Option
1
2
3
1
2
3
Alarm lamps
diodes
YG
14
15 16 17 18
12
11
13
GYG
WBrR
W
Fuse (3A)
R
L
Wire
harness
Wire harness
for sub panel
only for sail drive
3R 3W
YW WL WG B
RB LB O YG
WB YR Y WR
YB GB G GR
Key switch
GLOW
OFF ON START
30 AC G1 G2 17
3L
A
A
31
L
B
O
P
Instrument panel (Main station) (Option)
17 AC
30
G1G2
LB
20
WB
WL
19
YB
YW
B
L
YG RB
12V
Battery switch
2R
2B
2B 5R
3L
Relay Option
Option
WBr
WL
YW
B
W/Y
2R
2W
S
B
3R
10B
10R
Y
OB
B E
B E
R
L
RB
LB
RB
LB
RB
YG
LB
R
LEarth bolt
5R
12V
3332
22
21
26 27
YB
WB
34 35
28 29
30
23 24 25
only for sail drive
0004186
JUN 2006 (Rev. 1)

3JH4E
3JH4E
12/05
Marine Installation Manual - Volume 2 3JH4E-19
© 2007 Yanmar Marine International
3JH4E / 4JH4E - C-Type Instrument Panel
Color Coding Description
RRed
BBlack
WWhite
LBlue
RB Red / Black
LB Blue / Black
YW Yellow / White
YB Yellow / Black
YG Yellow / Green
WL White / Blue
WB White / Black
WG White / Green
GR Green / Red
O Orange
WBr White / Brown
1 Starter Switch
2 Stop Switch
3 Tachometer / Hourmeter
4Buzzer
5 Lubricating Oil Low Pressure Alarm
6 Coolant High Temperature Alarm
7 Water in Sail Drive Seal Alarm
8 Battery Low Charge Alarm
9 Relay (for 2 station - Optional)
10 Fuse (3A)
11 Starter Switch
12 Stop Switch
13 Tachometer / Hourmeter
14 Buzzer
15 Lubricating Oil Low Pressure Alarm
16 Coolant High Temperature Alarm
17 Water in Sail Drive Seal Alarm
18 Battery Low Charge Alarm
19 Oil Pressure Meter
20 Coolant Temperature Meter
21 Air Heater (Optional)
22 Engine Stop Solenoid
23 Stop Relay
24 Starter Relay
25 Starter
26 Coolant High Temperature Switch
27 Lubricating Oil Low Pressure Switch
28 Alternator (Optional)
29 Alternator
30 Water In Sail Drive Seal Sensor (on Sail
Drive)
31 Water in Sail Drive Seal Sensor
Amplifier (Sail Drive Only)
32 Battery (Optional)
33 Battery
34 Oil Pressure Sensor (Optional)
35 Coolant Temperature Sensor (Optional)
JUN 2006 (Rev. 1)

3JH4E 3JH4E
3JH4E-20 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Performance Curves
Figure - 14
(Note)1:
(Note)2:
Rating Condition : ISO 3046-1
Density of fuel : 0.86 g/cm
3
at 15
Temperature of fuel : 25 at FO pump inlet
hp 0.7355 kW
POWER
0.0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
30.0
32.5
1600 1800 2000 2200 2400 2600 2800 3000 3200
kW
SPECIFIC FUEL CONSUMPTION
225
230
235
240
245
250
g/kW-h
ENGINE TORQUE
80
90
100
110
120
130
N-m
SPEED OF CRANKSHAFT (min)-1
Propeller power curve
Full load at propeller shaft
Full load at crankshaft
Full torque at crankshaft
At full load
0003824
JUN 2006 (Rev. 1)