TM 1-1520-240-10
2-15-16
(2)
Press and hold the depressurization valve
on the APU start module accumulator until system pres-
sure is depleted. When the accumulator has been de-
pressurized, return the handle of the UTILITY RES-
ERVOIR DEPRESSURIZE valve to NORMAL.
(3)
Not precharge on accumulators and ensure
is within limits as per figure 2-15-3.
(4)
If servicing is required, refer to TM
55-1520-240-23.
b.
The power steering and swivel lock accumulator
is located on the right side of the cabin, in the cargo ramp
area. Determine accumulator precharge as follows:
NOTE
An alternate method is to apply external pow-
er to the helicopter and cycling the STEER-
ING CONTROL SWIVEL STEER switch on
the center console from LOCK to UNLOCK
several times.
(1)
Depressurize the accumulator by starting
the APU and placing the APU GEN switch to ON.
(2)
Place the HYD BRK STEER isolation switch
on the overhead switch panel to OFF. Cycle the STEER-
ING CONTROL SWIVEL STEER switch on the center
console from LOCK to UNLOCK approximately six
times.
(3)
Note precharge on accumulator and ensure
precharge is within limits as per figure 2-15-3.
(4)
If servicing is required, refer to TM
55-1520-240-23.
c.
The brake accumulator is located within the aft
left side of the forward transmission fairing. Determine
accumulator precharge as follows:
(1)
Depressurize the accumulator by pressing
the brakes approximately four times or until it becomes
hard to apply the brakes.
(2)
Accumulator precharge should read be-
tween 600 and 850 psi.
(3)
If servicing is required refer to TM
55-1520-240-23.
2-15-21. Ground Handling (Towing).
Refer to TM 55-1520-240-23.
2-15-22. Parking.
Park helicopter as directed in the following steps:
a.
Apply wheel brakes. Then, set the parking bra-
kes.
b.
Place chocks as required.
CAUTION
Failure to position blades properly can al-
low a blade to hit the fuselage. This may
damage the fuselage and blade.
c.
Position rotary-wing blades 30_ off centerline of
helicopter.
d.
Unplug the battery after the last flight of the day.
