Geko 12V 4000 G 41, Operating Instructions Manual

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2 - 8 Product Summary
M015403/00E 02-09 © MTU
Operational data
The operational data of the engine acceptance-test protocol are binding reference values.
All data are referenced to the engine running at operating temperature and nominal load.
Please address any questions regarding the operational data to your MTU contact person, indicating the engine
model and number.
High-temperature cooling system Unit Reference
value
Limit
value
Coolant temperature at engine outlet °C 95 99
Pressure loss in the external cooling system, max. permissible bar -- 0.7
Coolant preheating temperature °C > 40 --
Low-temperature cooling system
Coolant temperature at intercooler inlet °C 55 --
Pressure loss in the external cooling system, max. permissible bar -- 0.7
Lube Oil System
Lube oil operating temperature, from/to °C 85/95 --
Lube oil operating pressure before engine bar 6.0 4.0
For 8/12/16V 4000 G61 (50/60 Hz) switchable: bar 6.5 4.0
Lube oil consumption after 100 operating hours, average
*
of fuel consumption with a run-in engine
%* 0.5 --
Fuel System
Fuel pressure at engine supply connection, min. bar -- 0.1
Fuel pressure at engine supply connection, max. bar -- + 1.5
Boundary conditions (for maximum power)
Intake air depression mbar 30 50
Exhaust back pressure mbar 30 50
The engine is allowed to be operated at full power up to the specified limit values.
The reference values can approach the limit values due to changed boundary conditions, in case of faults or
expiration of service life.
If limit values are exceeded, locate the cause and rectify.
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