Installation Manual

N38143 Data
Page 77
Data - 4.4GM
1500 rev/min ..........................1800 rev/min
Basic Technical Data
Prime power, (mechanical) ..................427kW (57.3 hp) .....................49.1kW (65.8 hp)
Number of cylinders.................................................................4
Cylinder arrangement ..........................................................In-line
Cycle.................................................................................. 4 stroke
lnduction system ........................................................Naturally Aspirated
Bore ............................................................................. 100mm (3.937”)
Stroke ........................................................................... 127mm (5.00”)
Compression ratio ..............................................................18.23:1
Cubic capacity ................................................................... 4.4 litres
Valves per cylinder ..................................................................2
Direction of rotation .......................................Anti-clockwise viewed on ywheel
Firing order ........................................................................1, 3, 4, 2
Total weight (dry) ......................489kg (1078lbs) engine only including starter and generator.
Cooling System
The coolant shown below is mandatory for use in all climates to ensure that adequate levels of corrosion
inhibitor are present. It will give frost protection to -37
O
C. (-34.6
O
F)
Coolant .............50% inhibited ethylene glycol or 50% inhibited propylene glycol with 50% fresh clean water
Fresh water ow ....................... 100 l/min (26.4 US galls/min) ..116 l/min (30.6 US galls/min)
Coolant pump speed and method of drive...................... Gear driven
System capacity ....................................................16.5 litres (4.4 US galls)
Pressure cap setting ...................................................... 50kPa (7 psi)
Protection switch setting ................................................ 96
O
C (205
O
F)
Sea water pump type............................. Jabsco gear driven model size 25.4mm (1”)
Sea water suggested inlet hose diameter...................... 32mm (1.25”)
Sea cock ....................................... Full ow 25.4mm (1.00”) max lift of seawater pump 2m
.................................................. Full ow 38.1mm (1.50”) max lift of seawater pump 4m
Strainer ............................. A raw water strainer must be included in the suction side of the circuit.
Maximum sea water temperature. ................................. 38
O
C (100
O
F)
Sea water ow ............................86 l/min (22.7 US galls/min) ...102 l/min (26.9 US galls/min)
Fuel System
Recommended fuel specications. ........BS2869 Class A2 ASTM D 975 Number 2D.
Cetane number .............................................................. 45 minimum.
Fuel injection pump ........................................................Delphi rotary
Fuel lift pump ......................................................................Electric
Pressure ............................................................. 30 - 75kPa (4.4 - 10.9 PSI)
Delivery/hr ...................................... 120 - 150 ltr/hr (31.7 US galls/hr to 39.6 US galls/hr)
Governor type .................................................... L Series, electronic governor