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4-16 Fuel Transfers - Cont'd.
c)
If a completely empty tank is desired, pump down until the pump suction or discharge pressure gage starts
to flutter and then immediately shut down the pump. Any remaining fuel and BS&W can be drained off
through the bottom drain.
CAUTION
DRY PUMP SUCTION
Do not continue pumping from a tank when the top goes nearly flat. It is best to leave some fuel in the supplying tank
unless the requirement is to completely evacuate the tank. Operating a pump with a dry suction can ruin the pump.
g.
Transfer Fuel from a Primary Module Tank to a Secondary Module Tank
This operating instruction specifically covers the transfer of fuel from primary module tank T5J to secondary module tank
T1J using pump P3J. Procedures used to transfer from the other primary module tank to any secondary module tank are
the same except through a different route and different valves which can be readily determined by study of the P&ID flow
diagram, Fig. 4-1. Either pump P3J or P4J may be used.
1.
Observe and record the range pole reading of tanks TSJ and T1J.
2.
Open valves V40J, V41J, V42J, V43J, V44J, V45J, V46J, V38J, V37J, V36J, V18J, VI 5J, and V5J.
3.
Start and operate pump P3J taking suction on tank T5J and discharging to tank T1J.
4.
Observe closely the process of transfer and the positions of the tank tops in relation to the range pole cord.
5.
Shut down pump P3J when either of the following occurs.
a)
Top of tank T1J touches the range pole cord
b)
Tank T5J goes nearly flat (say 6 inches) and is obviously nearly empty.
c)
If a completely empty tank is desired, pump down until the pump suction or discharge pressure gage starts
to flutter and then immediately shut down the pump. Any remaining fuel can be drained off though the
bottom drain.
CAUTION
DRY PUMP SUCTION
Do not continue pumping from a tank when the top goes nearly flat. It is best to leave some fuel in the supplying tank
unless the requirement is to completely evacuate the tank. Operating pump with a dry suction can ruin the pump.
h. Discharge Fuel from a Primary Module Tank Through the Dispensing Assembly
4-37
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