R 1EFF : 001-049, 101-105, 151-199, 201-228, 1 34-11-19Page 604 1 1 May 01/05 1 1 1CES 1
Subtask 34-11-19-865-054
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 3FP1 49VU ANTI ICE/PROBES/AOA/1 4DA1 D04 49VU NAV PROBES/ADIRU 1/AND AOA 1/26VAC 5FP1 F07 49VU NAV PROBES/ADIRU1/115VAC 4FP1 F06
R **ON A/C 001-049, 101-105, 201-203,
121VU ADIRS/ADIRU/3PWR/SWTG 9FP N10
**ON A/C 151-199, 204-228,
121VU ADIRS/ADIRU/3PWR/SWTG 9FP N09
R **ON A/C 001-049, 101-105, 151-199, 201-228,
R Post SB 34-1222 For A/C 001-049,101-105,151-199,201-228,
FOR 3FP2
R **ON A/C 001-049, 101-105, 201-203,
121VU ADIRS/ADIRU/2PWR/SHED 121VU ADIRS/ADIRU/2/26VAC AND AOA 121VU ADIRS/ADIRU/2/115VAC 10FP 5FP2 4FP2 N11N09N07
**ON A/C 151-199, 204-228,
121VU ADIRS/ADIRU/2PWR/SHED 121VU ADIRS/ADIRU/2/26VAC AND AOA 121VU ADIRS/ADIRU/2/115VAC 10FP 5FP2 4FP2 N10N08N06
R **ON A/C 001-049, 101-105, 151-199, 201-228,
122VU ANTI ICE/PROBES/2/AOA 4DA2 Y13
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R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C 001-049, 101-105, 151-199, 201-228,
R Post SB 34-1222 For A/C 001-049,101-105,151-199,201-228,
FOR 3FP3
R **ON A/C 001-049, 101-105, 201-203,
121VU ADIRS/ADIRU/3PWR/SWTG 121VU ADIRS/ADIRU/3/26VAC AND AOA 121VU ADIRS/ADIRU/3/115VAC 9FP 5FP3 4FP3 N10N08N06
**ON A/C 151-199, 204-228,
121VU ADIRS/ADIRU/3PWR/SWTG 121VU ADIRS/ADIRU/3/26VAC AND AOA 121VU ADIRS/ADIRU/3/115VAC 9FP 5FP3 4FP3 N09N07N05
R **ON A/C 001-049, 101-105, 151-199, 201-228,
122VU ANTI ICE/PROBES/3/AOA 4DA3 Z15
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AIR DATA/INERTIAL REFERENCE SYSTEM (ADIRU & CDU) - DESCRIPTION AND OPERATION
____________________________________________________________________________
1. General
_______ The Air Data/Inertial Reference System (ADIRS) provides the main air data and heading/attitude/navigation data to the aircraft systems. The main computers of the ADIRS are the three Air Data/Inertial Reference Units (ADIRU) which are controlled by the ADIRS Control and Display Unit (CDU). The ADIRS is a three channel system. Each channel is isolated from the others and provides independent information as defined in ARINC 738. Each ADIRU contains:
-
an Air Data Reference (ADR) portion. Its operation is described in 34-13
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an Inertial Reference (IR) portion. Its operation is described in 34-14. Power supply is common for ADR and IR and described in 34-11.
2. Component Location
__________________
(Ref. Fig. 001, 002)
The three ADIRUs are installed in the avionics compartment.
The ADIRS CDU is installed in the cockpit.
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------1FP1 ADIRU-1 127 824 34-12-34 1FP2 ADIRU-2 128 824 34-12-34 1FP3 ADIRU-3 127 824 34-12-34 2FP CDU-ADIRS 20VU 211 831 34-12-12
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ADIRS - Component Location
Figure 001
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