ICA-D212-725 (96)
Page 53 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
NOTE
Tolerances stated do not include
test equipment tolerances.
96.6.11B.1 Supply electrical power to
helicopter.
96.6.11B.2 Disconnect connector containing
engine harness chromel/alumel wiring from the RH
aft firewall disconnect.
96.6.11B.3 Connect turbine temperature test
set to the connector on the RH aft firewall from
where the engine side harness was disconnected.
Adjust tester for an input of 500
C and verify the
analog indication reads within 10
C of this
temperature and the digital indication reads within
5
C of this temperature.
96.6.11B.4 Check insulation resistance of
engine thermocouple harness with tester.
Resistance to ground from either chromel or
alumel terminal (pins A and B) shall be not less
than 25,000 ohms. Reference Honeywell
Maintenance Manual, T5313B and T5317 Series,
Section 77-20-01, Paragraphs 3-A-5 and 3-F-1-a.
96.6.11B.5 Measure
loop resistance between
chromel and alumel terminals (pins A and B) of the
engine thermocouple harness. Resistance shall
be between 1.6
and 1.8
when measured at
18
C to 24
C. Reference Honeywell Maintenance
Manual, T5313B and T5317 Series, Section 77-
20-01, Paragraph 3-D.
96.6.12
Measured Gas Temperature
Indicator (-17B Engines)
The measured gas temperature indicator system
consists of 1 of 2 systems. The thermocouples
located on the engine, a compensator located on
the forward side of the aft RH firewall, and the
analog MGT indicator, or the thermocouples
located on the engine and a self-compensating
indicator which displays both analog and digital
information.
96.6.13A
Operational Test- Measured Gas
Temperature Indicator (Analog Indicator)
SPECIAL TEST EQUIPMENT
TYPE OR MODEL
NOMENCLATURE
Barfield Type
Turbine Temperature
Test
Set
2312G or TT1000A
NOTE
Tolerances stated do not include
test equipment tolerances.
96.6.13A.1 Supply electrical power to
helicopter.
96.6.13A.2 Disconnect connector containing
engine harness chromel/alumel wiring from the RH
aft firewall disconnect.
96.6.13A.3 Connect turbine temperature test
set to the connector on the RH aft firewall from
where the engine side harness was disconnected.
Adjust tester for an input of 675
C and verify the
MGT indicator reads within 5
C of this
temperature. If the temperature indication is not
within 5
C, adjust the compensator until the
indicator reads exactly 675
C.
96.6.13A.4 Check insulation resistance of
engine thermocouple harness with tester.
Resistance to ground from either chromel or
alumel terminal (pins A and B) shall be not less
than 25,000 ohms. Reference Honeywell
Maintenance Manual, T5313B and T5317 Series,
Section 77-20-01, Paragraphs 3-A-5 and 3-F-1-a.
96.6.13A.5 Measure
loop resistance between
chromel and alumel terminals (pins A and B) of the
engine thermocouple harness. Resistance shall
be between 1.6
and 1.8
when measured at
18
C to 24
C. Reference Honeywell Maintenance
Manual, T5313B and T5317 Series, Section 77-
20-01, Paragraph 3-D.
96.6.13B
Operational Test- Measured Gas
Temperature Indicator (Analog/Digital
Indicator)
SPECIAL TEST EQUIPMENT
TYPE OR MODEL NOMENCLATURE
Barfield Type
Turbine Temperature
Test
Set
Содержание ICA-D212-725
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