MTU 4R 1000 SERIES, Руководство по эксплуатации

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Problem
Possible causes/consequences and
M
Solutions
The charge-air temperature is too high; the charge-air cooler or
coolant radiator is dirty on the exterior.
X
Clean the exterior of the charge-air cooler and coolant radiator.
The coolant temperature is too high.
X
Check the temperature sensor; replace if necessary. Check the
fan speed.
X
Check the thermostat and replace as necessary. Consult a
qualified specialist workshop.
Malfunction in the fuel system (blocked, leaking).
X
Visual inspection for leaks.
X
Consult a qualified specialist workshop.
Poor fuel grade
X
Use the specified type of fuel and fuel grade (
Y
page 56).
The charge-air system is leaking; the hose clip on the charge-air
hose is loose or damaged.
X
Check the charge-air system for leaks.
X
Check the charge-air pressure sensor and, if necessary, replace.
X
Consult a qualified specialist workshop.
An operating restriction is activated due to an emissions-relevant
malfunction.
X
Observe the notes on warning and indicator lamps (
Y
page 39).
There is an interruption
in the tractive power. There is an increased voltage drop to the control units (loose con-
tact).
X
Check the battery terminals on the battery and the connectors
on the control units for secure seating and corrosion.
The engine braking
effect is poor. The cause must be established in a qualified specialist workshop.
X
Consult a qualified specialist workshop.
Fuel consumption is
too high. The cause must be established in a qualified specialist workshop.
X
Consult a qualified specialist workshop.
The engine gets too hot
(according to the cool-
ant temperature
gauge). There is not enough coolant in the coolant circuit.
X
Add coolant and bleed the system.
The coolant temperature sensor or display is faulty.
X
Replace the sensor or display.
Troubleshooting
73
Troubleshooting
Z