Operation Manual / 4 Product description / A130-M.. - A145-M..
6
Periodic maintenance work
Page 53 / 117
© Copyright 2016 ABB. All rights reserved.
HZTL4031_EN
Revision D
June 2016
Figure 23: Carrying out wet cleaning of turbines
Fulfil prerequisites.
Ensure that the water supply (01) is guaranteed.
Open the stop valve (02) and set the water volume flow V
W
with a flowmeter (03) (see
cleaning parameters).
Close the stop valve (02) after 10 minutes.
Wait for 10 minutes; do not change the load during this stabilisation phase.
If the cleaning result is unsatisfactory or there is water leakage, contact an ABB Turbocharg-
ing Service Station.
Product
Temperature before
turbine before clean-
ing [°C]
Maximum tempera-
ture before turbine
during cleaning [°C]
Water volume flow
V
W
[dm
3
/min]
1)
Injection time
[min]
A130
350 ... 430
530
4.0
10
A135
350 ... 430
530
5.5
10
A140
350 ... 430
530
8.5
10
A145
350 ... 430
530
12.0
10
Table 14: Wet cleaning of turbines, parameters
1)
Corresponds to a water pressure p
WT
of 1.5 bar (overpressure compared to atmosphere)