Technical Specification 9.1 Engine Specifications and Settings
Model
Number
of
cylinders
Cylinder arrangement
Bore
Stroke
Total displacement
Compression ratio
Working cycle
Combustion system
Charge air cooling
Direction
of
rotation
Weight
20121
C including cooling system
to DIN 70020-A [approx.kg]
----------- BF4M 2012 ----------------------BF4M 2012 C ---------------------- BF6M 2012 C -------
------------------ 4 --------------------------------------- 4 ----------------------------------------6 ---------------
----------------------------------------------------- vertica
lin
line -------------------------------------------------
[m
m]
----------------------------------------------------------
(2)
101-------------------------------------------------------
[mm] ----------------------------------------------------------- 126 --------------------------------------------------------
[cm
3
]
----------------
4.04 ----------------------------------- 4.04 ----------------------------------- 6.06 -------------
[E
].
------------------------------------------------------------
19 ---------------------------------------------------------
-------------------------------------------------- Four-stroke diesel ----------------------------------------------
---------------------------------- with turbocharging and direct fuel injection ------------------------------
---------------without --------------------------------- with ------------------------------------ with -------------
-------------------------------------------------- counter-clockwise-----------------------------------------------
------------------------------------------------- Refer to head-office ---------------------------------------------
Engine output [kW] ------------------ 75 ------------------------------------ 103 ------------------------------------ 155 -------------
Max. speed
[1
Irpm] ---------------------------------------------------------- 2500 -------------------------------------------------------
Valve clearance with cold engine (PTs) [mm] ----------------------------------------- Inlet 0.3
+
0.1
1 exhaust 0.5 + 0.1.
--------------------------------------
Valve clearance with cold engine standard [mm] ------------------------------------ Adjustment with special tool, see 6.6.1 ---------------------------------
Injector opening pressu
re
[ba
r]
----------------------------------------------------------- 250 --------------------------------------------------------
Start
of
feed
[0
CS BT
eC]
1).
---------------------------------------------------------
Firing order
of
the engine -------------- 1-3-4-2 ------------------------------- 1-3-4-2 ----------------------------- 1-5-3-6-2-4 --------
V-beIt tension: -------------------------------------------- Pre-tension
1 re-tension 2)
----------------------------------------------------------------------
Alternator 1fan [N] ----------------------------------------------------- 450 1300 ±
50.
--------------------------------------------------
Fuel pump - coolant pump [N] ----------------------------------------------------- 450 1300 ±
50.
--------------------------------------------------
Compressor [N] ----------------------------------------------------- 550 1450 ±
50.
--------------------------------------------------
Ribbed
V-belt
tension
spring-loaded
tension
roller [N] ----------------------------------------------------- 900 1600 ±
50.
--------------------------------------------------
1) Engine output, speed, start
of
delivery are stamped on engine rating plate, etc., see also 2.1.
8 2) Re-tension 15 minutes after the engine has been operated under load.
o
N
©
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