Installation Manual

N40475 Chapter 13
Page 69
Reference data
Basic data M300C M250C M216C M190C
Rated power ........................... 300hp (225kW) ..... 250hp (186kW) .....216hp (161kW) ..... 190hp (142kW)
Rated engine speed .....................2400rpm ............... 2400rpm ................2400rpm ............... 2100rpm
Number of cylinders......................................................................... 6.
Cylinder arrangement .................................................................. In-line.
Cycle...........................................................................................4 Stroke.
Induction System ......................................................... Turbocharged aftercooling.
Bore ...................................................................................... 105mm (4.13”).
Stroke ................................................................................... 127mm (5.00”).
Compression Ratio ...................................................................... 16.2:1.
Cubic Capacity ....................................................................6.6 Litre (365 in
3
).
Valves per cylinder .......................................................................... 4.
Direction of Rotation .............................................Anti-clockwise viewed from ywheel.
Firing Order ........................................................................... 1, 5, 3, 6, 4, 2.
Total Weight (wet) ........................... 738kg ................... 738kg .................... 736kg ....................736kg
Cooling
Cooling System ...................................The coolant shown 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.
Coolant .................................................................... 50% inhibited ethylene glycol or
50% inhibited propylene glycol with 50% fresh clean water.
Fresh Water Flow .......................220 l/min at 2400 rpm ...220 l/min at 2400 rpm .. 220 l/min at 2400 rpm .. 193 l/min at 2100 rpm
Coolant pump speed and method of drive............................1:1 Gear Driven.
System Capacity............................................................. 26.3 litres (5.7 gallons).
Pressure cap setting ............................................................... 50kPa (7psi).
Sea water pump type........................................................ Gear driven full cam.
Sea water suggested inlet ..................................... 32mm Bore (1.25”) hose diameter.
Sea cock ..........................................................................Full ow 32mm (1.25”)
Strainer ....................................... Auxiliary water strainer must be included in suction side of the circuit
Maximum sea water temperature ........................................... 38
O
C (100
O
F)
Sea water ow ....................... 137 l/min at 2400rpm ... 137 l/min at 2400rpm ....137 l/min at 2400rpm ....128 l/min at 2100rpm