power is available from the battery
/battery charger circuits (if AC
load is less than 27.5 KW). Opera-
Do not let the reservoir go
Operation in this mode is described
Extensive damage to
the AGPU hydraulic will occur.
(13) While monitoring AGPU fluid
(2) On the 83-360D AGPU all
level cycle flight controls (cyclic,
the DC comes from the TRU, which is
collective, and pedals) 5 cycles each.
its input load requirement is not
(14) Shut off AGPU dual manifold
available as AC output. The CURRENT
selected must consider both the AC
(15) Cycle flight controls two
and DC output loads.
the DC output so its control over the
Flush is complete.
DC contactor has been bypassed. Also
on the 83-360D, the AH-64D position
of the CURRENT LIMIT SELECTOR switch
opens the surge control valve, which
reduces the available airflow.
(3) There are limitations on
maximum outputs under combined output
Maximum outputs under
During the conduct of this
combined operations are:
procedure the operator of the
AGPU must be in intercom
(a.) Condition 1.
communication with the aircraft
pilot or mechanic at all times.
AC 20 KW .08 pf, or DC 200 Amp
3,000 psig at 6.0
a. Combined output operation is the
GPM Pneumatic: 34 lb/min at 35
through 2-7. Electrical, hydraulic, and
pneumatic power may be used simul-
(b.) Condition 2.
taneously. There are, however, certain
restrictions and limitations as des-
AC 20 KW .8 pf, or DC 200
Hydraulic: 3,300 psig at 15 GPM.
(1) On the 83-360A AGPU there is a
restriction on simultaneous use of AC
and DC power.
The CURRENT LIMIT
SELECTOR switch on the control panel
AC 36 KW 0.8pf, Hydraulic:
select either ac or dc output from the
ON, only surge
ac power is available. When set to AC
positions, no dc power is available
operating in the AC mode, 50 amps dc