EGB Washing Procedure

Step 1:- After the EGB is drained the top cover and the cover on the ducting before the EGB, and also the flange after the turbo chargers can be removed.

Step 2:- Fit the plexi glass window over the manhole on the ducting before the EGB

Step 3:- OPEN both drains on the EGB wash Tank

Step 4:- Make sure all EGB localtechnical water washing valves are closed

EGB Washing Tank

Step 5:- OPEN the Main Technical water valve located fwd port side of the technical water pumps aft.

Step 6:- OPEN the second technical valve in the fwd engine room casing deck 1

 Washing Nozzle

Step 7:- with one guy present at the lower manhole to observe the level in the exhaust ducting, that it does not overflow back to the engine, and one guy to operate the local technical water valve. Both persons are in communication with hand held radios, the washing can begin by opening the local tech water valve to the washing lances.

Warning Observe the level in 11P that the tank does not overflow, and that the water does not overflow back to the engine

Step 8:- After the washing is complete, CLOSE all three technical water valves

Step 9:- Flush the EGB wash tank through with technical water, after that drain the tank, Close the drains and fill the tank back up until it is half on the sight glass.

Step 10:- Close all manhole covers and the flange after the turbochargers