Remove ground cables from the helicopter.
Set the REFUEL STA switch on the FUEL
CONTR overhead panel to OFF.
Perform steps m., n., and o. if helicopter
will not be operated immediately. Failure
to do so could result in refuel manifold
seepage caused by fuel expansion.
m. APU Start (refer to Chapter 8). Place APU
GEN switch to ON or apply AC external power.
Operate the forward boost pump on either main
tank for about two minutes.
Place APU GEN switch to OFF, APU switch to
OFF, or disconnect the external power.