Operation Manual / Power2 340-H / Low-pressure stage
7 Periodic maintenance / 7.2 Cleaning the compressor during operation
© Copyright 2022 ABB. All rights reserved. HZTL4053_EN Rev.F March 2022
7.2.4 Wet cleaning of compressor
01 Water pipe to filter silencer or air suction branch
02 Pressurised air inlet pipe
03 Valve activator
27000 External water pressure vessel
27005 Sealing plug
72000 Compressor casing
Engine load Filling amount of water pressure
vessel [dm
3
]
Water temperature
[°C]
Water injection
period [s]
50…85% 0.4 5…30 10
Table18: Parameters for wet cleaning of compressor
Executing wet cleaning
u Remove sealing plug (27005).
u Fill container with 0.4dm
3
pure water.
u Screw in sealing plug (27005) again.
u Push the valve activator(03) against the spring and hold for 10…15seconds until the
whole volume of water is injected.
u Continue to operate the engine for at least five more minutes to dry the compressor
stage.
The cleaning process can be repeated up to three times.
The success of the cleaning can be recognised based on the charging pressure or the ex-
haust gas temperature.
If the cleaning is still unsuccessful after three processes and the engine values are unsatis-
factory, it is recommended to have the low-pressure and / or high-pressure stage checked
and cleaned by a service station.
Page 55 / 122
To Next Page
Loading...
