Operation Manual / TPS48-D/E.. - TPS61-D/E..
Surging of the turbocharger
Page 80
© Copyright 2016 ABB. All rights reserved.
September 2016 HZTL2410_EN Revision E
Surging of the turbocharger
6.2
Engine Guard in front of the turbocharger is
contaminated or damaged
Clean / replace it
Filter silencer or diffuser contaminated
Heavy deposits of dirt in the turbine or
nozzle ring
cooler
Charge air duct blocked
Prolonged or periodic surging
Possible damage to components, such as the compressor wheel, tur-
bine blades, bearings and filter silencer
Have the cause clarified immediately by an ABB Turbocharging ser-
vice station and rectified.
Have components inspected for damage and, if necessary, replaced
by an ABB Turbocharging service station.
Surging of the turbocharger can occur during certain operating conditions
such as when reducing the engine performance quickly when manoeu-
vring. At the same time, the flow direction in the compressor is momentari-
ly reversed. Such sporadic surge blows do not impair the safe operation of
the turbocharger.
A surge blow is accompanied by a loud bang and escape of hot air
from the filter silencer.
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