Operation Manual / A150-M56/66/57/67 - A155-M..
7 Periodic maintenance work / 7.1 Foreword to maintenance
© Copyright 2021 ABB. All rights reserved. HZTL4032_EN Rev.Q January 2021
7 Periodic maintenance work
7.1 Foreword to maintenance
Maintenance work includes regular visual controls and cleaning operations which are inten-
ded to ensure the trouble-free functioning of the turbocharger.
To allow you to observe the standard service intervals and to maintain a high turbocharger
efficiency, ABB Turbocharging recommends that the cleaning procedure be carried out dur-
ing operation. This allows the thermal load of the engine to be kept low while ensuring max-
imum fuel efficiency.
Maintenance inter-
val
Maintenance work Operating status
24… 72h
1)
Cleaning the compressor during operation
→59
Engine load 50…85%
50…200h
1)
Cleaning the turbine during operation →62 Engine load 20…40%
(guideline value)
According to rating
plate
2)
Cleaning components mechanically →66 Engine stopped
12000h Uncoupled filter silencer A155-M
Changing the absorption element →76
Engine stopped
Table12: Maintenance table
[h] = Hours of operation
1)
If the maintenance intervals are incompatible with operation of the engine, contact ABB
Turbocharging.
2)
ABB Turbocharging recommends having mechanical cleaning carried out by an ABB Tur-
bocharging Service Station during the service work. Otherwise, only carry out mechanical
cleaning if cleaning during operation is not sufficient to achieve the thermal load and the
rating of the engine.
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