ABB A140-H55 - Table 22 Malfunctions During Operation; Table 23 Malfunctions During Operation - Charge Air Pressure too Low

Operation Manual / 4 Product description / A130-H.. - A140-H..
7
Eliminating malfunctions
Page 67 /
115
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HZTL4030_EN
Revision C
September 2015
Exhaust gas temperature too high
Engine performance and engine speed unchanged
Possible causes
Remedy
Engine Malfunction in the injection system Repair or contact manufacturer
Turbocharger Insufficient air, for example, when filter
silencer is blocked by contamination
Clean (see chapter Periodic maintenance
work [➙ 45])
Compressor/turbine contaminated
Exhaust gas back pressure too high Clean or repair boiler or exhaust gas
silencer
Turbine damaged or eroded Contact ABB Turbocharging Service
Station
Charge air
cooler
Cooler contaminated Clean
Cooling water volume too low Fill
Inlet temperature of cooling water too
high
Check/clean cooling system
Insufficient ventilation Improve ventilation
Table 22: Malfunctions during operation – Exhaust gas temperature too high
Charge air pressure too low
Engine performance and engine speed unchanged, suction condition normal
Possible causes
Remedy
Engine
Air receiver not sealed
Repair
Gas piping between engine and turbine
not sealed
Injection mistimed
Set correctly
Valve control misadjusted
Turbocharger
Manometer display not correct
Replace manometer
Supply pipe to manometer not sealed Repair leak
Filter silencer contaminated, therefore
pressure drop too high
Clean (see chapter Periodic maintenance
work [➙ 45])
Compressor end and/or turbine end
contaminated
Compressor/turbine damaged
Contact ABB Turbocharging Service
Station
Exhaust gas back pressure too high Clean or repair boiler or exhaust gas
silencer
Pipes
Pipes downstream to the compressor
outlet not sealed.
Repair.
Table 23: Malfunctions during operation – Charge air pressure too low