Man D2868 LE426, Operating Instruction

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Technical Data
MAN marine diesel engines D2868 LE4.. / D2862 LE4..
106
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11.3 Engine data of engines for light duty
11.3.1 V8-1000 (D2868 LE426)
Engine model V8-1000 (D2868 LE426)
Design V 90
°
Operating principle 4-stroke diesel
Combustion system Direct injection
Supercharging 1-stage exhaust turbocharging with intercooling and charge-air
control (Waste Gate)
Number of cylinders 8
Bore 128 mm
Stroke 157 mm
Swept volume 16 160 cc
Compression ratio 17 : 1
Operating mode Up to 1000 operating hours per year at a maximum of 20 % of
time at full load and an average load of 50 %
Rating
D2868 LE426 735 kW / 1000 hp at 2300 rpm
Max. torque
D2868 LE426 3340 Nm at 1300 - 2100 rpm
Ignition sequence DIN 73021 1-5-7-2-6-3-4-8, cylinder arrangement, see page 111
Valve clearance (cold engine)
Intake 0.50 mm
Exhaust 0.80 mm
Fuel system
High-pressure pump Bosch CP 3.4
Injection system Common rail
Governor Electronic Diesel Control
(EDC) - Type EDC 7 C32
Injectors 8-hole nozzles
Engine lubrication Forced lubrication
Oil change quantity (with filter)
62 litres
Oil filter 2 oil modules, each with 2 oil coolers and one oil separator
Engine cooling system Liquid cooling
Coolant capacity 85 litres
Coolant temperature 80-90
°
C, short term 95
°
C permissible
Electrical equipment
Starter 24 V; 7.0 KW
Alternator 28 V; 1x 120A or 2x 120A