Operation Manual / TPL76-C
Maintenance
5
Cleaning turbine blades and nozzle ring
in operation
5.4
Page 64
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Febr
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Layout of cleaning pipes
01 Water supply (fresh water only)
06 Other engine
02 Regulating valve
07 Injection nozzle
03 Manometer
08 Drain pipe
04 Air supply with 3-way valve
09 Drain cock
05 Water pipe (stainless steel)
10 Drain
G Pipes on gas inlet casing
11 Flowmeter
Wet cleaning procedure for turbine during operation
Meet prerequisites and operating state requirements without fail before
cleaning!
Make sure water supply (01) is connected, turned on and guaranteed.
Open drain pipe (08, 09), if provided.
Switch over 3-way valve (04) from scavenging air mode to water
supply.
NOTICE
Set the required volume of water on the flowmeter as shown in the table
in the following chapter Cleaning parameters.
After injecting required volume of water, shut off water supply again by
switching over 3-way valve (04) to scavenging air mode.
The injection process has been completed.
Close drain hole (if provided) above drain pipe (08, 09).