ICA-D212-725 (96)
Page 57 of 90
CHAPTER 96 – ELECTRICAL SYSTEM (96-00-00)
COPYRIGHT
2007 BY DART AEROSPACE LTD.
THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
4
Date: 11.06.01
except 30576, 30687, 30931,
30817 and 30599 refer to this
section for details of the DC
Transmission Oil Pressure
indicating system.
96.6.24.1
The transmission oil pressure
indicator system is a remote type indicating
system. DC power is routed through a circuit
breaker to the transmission oil pressure indicator
which supplies an excitation voltage to the
transmitter. Any pressure sensed by the
transmitter will be indicated on the transmission oil
pressure indicator.
96.6.25
Operational Check – DC
Transmission Oil Pressure Indicator
SPECIAL TEST EQUIPMENT
TYPE OR MODEL
NOMENCLATURE
Barfield Type
Pressure Tester 0 –
2311F-S or Equivalent
150 psi (0 – 1034 KPa)
96.6.25.1 Perform
operational check as
follows:
96.6.25.1.1
Disconnect pressure line from
transmission oil pressure transmitter.
96.6.25.1.2
Attach dead weight pressure
tester to the transmitter and apply 100 psig (689.5
KPa) to transmitter. Do not exceed 110 psig
(758.45 KPa)
96.6.25.1.3
Apply electrical power to the
helicopter electrical system. Verify
TRANSMISSION OIL pressure indicator reads 100
10 psi.
96.6.25.1.4
Turn electrical power off.
96.6.25.1.5
Reduce pressure and remove
pressure tester from pressure transmitter.
Connect pressure line to transmission oil pressure
transmitter.
96.6.26
DC Hydraulic Pressure Indicator
NOTE
S/Ns 30576, 30687, 30931, 30817
and 30599 use an AC Hydraulic
Pressure indicating system. See
section 96.5 for details. For all
S/Ns except 30576, 30687, 30931,
30817 and 30599 refer to this
section for details of the DC
Hydraulic Pressure indicating
system.
96.6.26.1
The hydraulic pressure indicator
system is a remote type indicating system. DC
power is routed through a circuit breaker to the
hydraulic pressure indicator which supplies an
excitation voltage to the transmitter. Any pressure
sensed by the transmitter will be indicated on the
transmission oil pressure indicator. The indicator
is a dual hydraulic pressure/temperature indicator.
96.6.27
Operational Check – DC
Hydraulic Pressure Indicator
SPECIAL TEST EQUIPMENT
TYPE OR MODEL
NOMENCLATURE
---------------
Hydraulic test stand
96.6.27.1 Perform
operational check as
follows:
96.6.27.1.1 Apply electrical power to
helicopter electrical system and energize the No. 1
hydraulic system.
96.6.27.1.2
Connect hydraulic test cart to
helicopter No. 1 hydraulic system. Slowly
increase and decrease test unit pressure between
550 and 1000 psig (3792 to 6895 KPa)
96.6.27.1.3
Observe No. 1 hydraulic system
indicator for smooth operation throughout range.
96.6.27.1.4 De-energize system No. 1 and
disconnect test cart from system No.1.
96.6.27.1.5 Repeat
steps 96.6.27.1.1 to
96.6.27.1.4 for No. 2 system.
96.6.27.1.3
Remove electrical power from
helicopter electrical system
96.6.28
Fuel Pressure Indicator
NOTE
Содержание ICA-D212-725
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