TM 1-1520-240-102-15-3k.Remove ground cables from the helicopter.l.Set the REFUEL STA switch on the FUELCONTR overhead panel to OFF.CAUTIONPerform steps m., n., and o. if helicopterwill not be operated immediately. Failureto do so could result in refuel manifoldseepage caused by fuel expansion.m. APU — Start (refer to Chapter 8). Place APUGEN switch to ON or apply AC external power.n.Operate the forward boost pump on either maintank for about two minutes.o.Place APU GEN switch to OFF, APU switch toOFF, or disconnect the external power.
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