Marine Power Solutions MP-458, Руководство по эксплуатации

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8. Technical Data
Model MP-458
Type In-line, Water-cooled, 4-stroke
Combustion chamber Direct chamber
Type of cylinder liner WET
Number of cylinders 4
Bore(mm) 90
Stroke(mm) 105
Displacement(L) 2.67
Compression ratio 18:1
Firing order 1-3-4-2
Rated output/speed (kw/r/min) 43.3/3000
Max. torque/speed(N.m/r/min) 2100
Min. fuel consumption(g/kw.h) 247
Lube oil consumption(g/kw.h) 1.04
Smoke intensity (FSN) 3.5
Direction of rotation of crankshaft Counter-clockwise (from flywheel end)
Lubrication system Combination of pressure and splash
Cooling system Forced water cooled
Starting system Electric
Net weight(kg) 330
MP-458
Valve timing
Intake valve opens 12
°
before T.D.C
Intake valve closes 52
°
before T.D.C
Exhaust valve opens 60
°
before T.D.C
Exhaust valve closes
10
°
after T.D.C
Valve clearance (cold)
Intake valve (mm) 0.30-0.35
Exhaust valve (mm) 0.35-0.40
Max. speed (r/min) 3240
Idle speed (r/min) 800
Fuel injection timing (
°
) 16
°
Injection pressure (MPa) 18
Exhaust temperature(
℃
)
≤
600
℃
Oil temperature (
℃
)
≤
105
℃
Reasonable outlet water temperature (
°
) 80~90
Oil pressure
At rated speed (kPa) 200~500
At I idle speed (kPa)
≥
60
Capacity of oil sump (L) 7