Operation Manual / 4 Product description / A100-L
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Charge air pressure too high
Engine performance and engine speed unchanged, suction condition normal
Engine Malfunction in the injection system Repair or contact manufacturer
Injection mistimed Set correctly
Engine performance higher than indicated Check engine performance
Turbocharger Manometer display not correct Replace manometer
Table 22: Malfunctions during operation – Charge air pressure too high
7.3 Surging of the turbocharger
Surging of the turbocharger
Engine Protective grating in front of the turbo-
charger contaminated or damaged
Clean/replace
Filter silencer or diffuser contaminated
Clean (Periodic maintenance [➙ 37])
Heavy dirt deposits in the turbine or in
the nozzle ring
er
Charge air duct blocked
Table 23: Surging of the turbocharger
Prolonged or periodic surging
If the turbocharger surges continuously or periodically, parts of it can be
damaged.
Slowly reduce the engine load.
Have the cause clarified immediately by an ABB Turbocharging service
station and rectified.
Have components inspected for damage and, if necessary, replaced by
an ABB Turbocharging service station.