Operation Manual

9
Technical Specifications
9.1 Engine Specifications and Settings
Model ——— BF4M 1012 ——— BF4M 1012 C ———— BF6M 1012 —— BF6M 1012 C ——
——— BF4M 1012 E —— BF4M 1012 EC ———— BF6M 1012 E —— BF6M 1012 EC ——
Number of cylinders ————— 4 ——————— 4 ————————— 6 ——————— 6 ————
Cylinder arrangement ————————————————— vertical, in line ————————————————
Bore [mm] ——————————————————— 94 ——————————————————
Stroke [mm] ——————————————————— 115 ——————————————————
Total displacement [cm
3
] ————— 3192 —————— 3192 ——————— 4788 —————— 4788 ————
Compression ratio [ε]. ——————————————————— 17.5 ——————————————————
Working cycle/Combustion system ————————— 4-stroke diesel with turbocharging and direct injection ————————
Charge air cooler ————— w/o —————— w/ ———————— w/o —————— w/ ————
Direction of rotation ———————————————— counter-clockwise ———————————————
Weight 1012 / C incl. cooling system [kg approx.] ——————————————— contact company headquarters ————————————
Weight 1012 E / EC w/o cooling system
as per DIN 70020-A [kg approx.] ————— 330 —————— 332 ——————— 435 —————— 437 ————
Engine power [kW] ————————————————————
1)
. ——————————————————
Speed [rpm] ————————————————————
1)
. ——————————————————
Valve clearance with cold engine [mm] ——————————————— Inlet 0,3
+ 0,1
/ Outlet 0,5
+ 0,1
. —————————————
Injector opening pressure [bar] —————————————————— 250/275 —————————————————
Start of delivery [°crank angle bTDC] ————————————————————
1)
. ——————————————————
Firing order of engine ———— 1-3-4-2 ————— 1-3-4-2 —————— 1-5-3-6-2-4 ——— 1-5-3-6-2-4 ——
V-belt tension: ——————————————— Pre-tension / re-tension
2)
. ——————————————
Generator fan [N] ————————————————— 450 / 300
± 50
. ————————————————
Fuel pump - coolant pump [N] ————————————————— 450 / 300
± 50
. ————————————————
Compressor [N] ————————————————— 550 / 450
± 50
. ————————————————
1)
Engine power, speed, start of delivery are stamped on engine rating plate, see also 2.1
2)
Retension 15 minutes after the engine has been driven under load