MTU 12V4000M73 series, Operating Instructions Manual

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RAW WATER CIRCUIT (open circuit)
Number of cylinders 12
Raw water pump: inlet pressure, min. L bar -0.2
Raw water pump: inlet pressure, max. L bar 0.5
Pressure loss in off-engine raw water system, max. L bar 0.7
LUBE-OIL SYSTEM
Number of cylinders 12
Lube oil operating temperature before engine, from R °C 72
Lube oil operating temperature before engine, to R °C 83
Lube oil operating pressure before engine, from R bar 6
Lube oil operating pressure before engine, to R bar 8
Lube oil operating pressure (low idle) (meas. point: before engine) R bar 2.0
FUEL SYSTEM
Number of cylinders 12
Fuel pressure at engine inlet connection, min. (when engine is starting) L bar -0.1
Fuel pressure at engine inlet connection, min. (when engine is running) L bar -0.3
Fuel pressure at engine inlet connection, max. (when engine is starting) L bar 1.5
Fuel supply flow, max. R Liters/mi
n 28
GENERAL OPERATING DATA
Number of cylinders 12
Firing speed, from R rpm 80
Firing speed, to R rpm 120
STARTING (electric)
Number of cylinders 12
Rated starter voltage (standard design) R V= 24
STARTING (with compressed air/hydraulic starter)
Number of cylinders 12
Starting-air pressure before starter, min. R bar 8
Starting-air pressure before starter, max. R bar 9
INCLINATIONS, STANDARD OIL SYSTEM (reference: waterline)
Number of cylinders 12
Longitudinal inclination, continuous max. driving end down (Option: max. oper-
ating inclinations) L Degrees 15
Longitudinal inclination, temporary max. driving end down (Option: max. oper-
ating inclinations) L Degrees 22.5
MS150045/03E 2018-08 | Technical Data | 65
TIM-ID: 0000010939 - 003