Air Intake And Exhaust Specifications; Alarm System Specifications - Yanmar 3JH4E Installation Manual

3JH4E
12/05

Air Intake and Exhaust Specifications

Parameter
Exhaust Pipe Outer
Diameter
Connection
Minimum Engine
Room Fresh Air
Exchanges
(Ventilator Capacity)
Maximum Air Inlet
Depression
Maximum Back
Pressure (measured
within 250 mm
[9.8 in.] of exhaust
manifold inlet)
Maximum Output
Exhaust
Temperature
(measured within
250 mm [9.8 in.] of
exhaust manifold
inlet)
EPA Exhaust Test
Port Size
Maximum
Turbocharger Boost
Pressure
Maximum Engine
Room Ambient
Temperature
* 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.
Marine Installation Manual - Volume 2
Data
76.2 mm
(3.0 in.)
6.0 cu m/min.
(212.0 cu in./min.)
4.0 kPa
408 mmAq
(16.06 in.Aq)
30.0 kPa
3059 mmAq
(0.31 kgf/cm 2 )
650°C
(1202°F)
Location: Heat Exchanger
G 3/4 - 14 BSPP*
-
60°C
(140°F)
© 2007 Yanmar Marine International

Alarm System Specifications

Parameter
Coolant Alarm Switch
Operating
Temperature
Engine Oil Alarm
Switch Operating
Pressure
NOV 2007 (Rev. 3)
3JH4E
Data
ON:
97 - 103°C
(206.6 - 217.4°F)
OFF:
90 - 97°C
(194 - 206.6°F)
9.8 - 29.4 kPa
(1.43 - 4.27 psi)
3JH4E-5