
3.3
Drain Water
CAUTION
Do not start the engines if a large amount of contamination is found during the
drain water procedure.
Note
This procedure is the same for the four drain valves. The two forward drain valves drain
the left and right collector tanks. The two aft drain valves drain the left and right main fuel
tanks.
1
Do not move the aircraft for a minimum of 15 minutes.
2
Connect a fuel tank drain reservoir to the drain valve.
3
Drain a minimum of 0.44 pint (0.25 liter) of fuel from the drain valve.
4
Disconnect the fuel tank drain reservoir.
5
Examine the fuel sample, make sure that there is no contamination.
6
Discard waste fuel in accordance with local regulations.
Section 2 - Aircraft Servicing
Ground Servicing Guide
Report No: 02484
Issue date: Apr 29, 2020
Page 2-3-8
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