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Engine does not reach nominal speed
Component
Probable Cause
Task
Fuel supply
Fuel supply shut off
Open shut-off valve before fuel prefilter
completely.
Fuel prefilter clogged
Replace (→ Page 139).
Fuel filter clogged
Replace (→ Page 133).
Air supply
Air filter clogged
Check signal ring position of service in‐
dicator (→ Page 144).
Fuel injection equip‐
ment
Injector defective
Replace (→ Page 123).
Injection pump defective
Replace (→ Page 120).
Engine wiring
Defective
Check (→ Page 172).
Engine
Overloaded
Contact Service.
Engine speed not steady
Component
Probable Cause
Task
Fuel injection equip‐
ment
Injector defective
Replace (→ Page 123).
Injection pump defective
Replace (→ Page 119).
Speed sensor
Defective
Contact Service.
Fuel system
Not vented
Vent fuel system (→ Page 131).
ECU
Defective
Contact Service.
Charge-air temperature too high
Component
Probable Cause
Task
Engine coolant
Incorrect coolant concentration
Check (MTU test kit).
Intercooler
Contaminated
Contact Service.
Engine room
Air-intake temperature too high
Check fans
Check air supply / ventilation ducts.
Charge-air pressure too low
Component
Probable Cause
Task
Air supply
Air filter clogged
Check signal ring position of service in‐
dicator (→ Page 144).
Intercooler
Contaminated
Contact Service.
Exhaust turbocharger Defective
Contact Service.
Coolant leaks on intercooler
Component
Probable Cause
Task
Intercooler
Leaking, major coolant discharge.
Contact Service.
MS150031/03E 2011-10 | Troubleshooting | 97
TIM-ID: 0000002547 - 001
Содержание 12 V 2000 M40A
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Страница 22: ...Lube oil system covers 22 Product Summary MS150031 03E 2011 10 TIM ID 0000002178 003 ...
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