Installation Manual

N38143 Data
Page 75
Data - 4TGM
1500 rev/min ..........................1800 rev/min
Basic Technical Data
Prime power ........................................68.5kW (91.9hp) ......................80.5kW (108hp)
Number of cylinders.................................................................4
Cylinder arrangement ..........................................................In-line
Cycle.................................................................................. 4 stroke
lnduction system ............................................................Turbocharged
Bore ............................................................................. 100mm (3.937”)
Stroke ........................................................................... 127mm (5.00”)
Compression ratio ................................................................ 16:1
Cubic capacity .......................................................... 3.99 litres (243 in3)
Valves per cylinder ..................................................................2
Direction of rotation .......................................Anti-clockwise viewed on ywheel
Firing order ........................................................................1, 3, 4, 2
Total weight (wet)......................456kg (1005lbs) 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 ......................... 80 l/min (21 US galls/min) .....97 l/min (25.6 US galls/min)
Coolant pump speed and method of drive................... 1:1 Gear driven
System capacity ..................................................... 18 litres (4.8 US galls)
Pressure cap setting .......................................................50kPa (7psi)
Protection switch setting ................................................ 96
O
C (205
O
F)
Sea water pump type......................... Jabsco gear driven model 25.4 mm (1”) full cam.
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 (1.25”) 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 ................................ 73 l/min (19 galls/min) ......... 91 l/min (24 US galls/min)
Fuel System
Recommended fuel specications. ........BS2869 Class A2 ASTM D 975 Number 2D.
Cetane number ............................................................... 45 minimum
Fuel injection pump .......................Stanadyne rotary and electric stop. (Energised to run).
Fuel lift pump ............................................................. AC Delco type LU
Delivery......................................... 89 l/hr (23.5 US galls/hr) .......98 l/hr (25.9 US galls/min)
Pressure ...................................................................... 30kPa (4.4 PSI)
Governor type ..................................................................Mechanical