Installation of the ADIRU Mount
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1.8 m (5 ft. 11 in.) 3028000 1 CLINOMETER - REPLACED BY P/N 3028011001 98D34103000000 1 INSTALLATION PLATFORM - IRU BRACKETS 98D34203000000 1 ALIGNMENT TOOL - MOUNT, ADIRU
B. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
5 cotter pins 32-21-01 01 -010 7 packings 32-21-01 01 -075
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
07-11-00-586-002 Lowering of the Aircraft for Maintenance Operations 08-22-00-200-001 Precise Leveling 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3) 34-12-51-991-001 Fig. 401 34-12-51-991-002 Fig. 402 34-12-51-991-003 Fig. 403
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 34-12-51Page 404 1201-220, 224-224, 1May 01/05 1 1 1CES 1
3. Job Set-up
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Subtask 34-12-51-210-051
A. Make sure that the aircraft is in precise leveling (Ref. TASK 08-22-00-200-001). Do this procedure to put the aircraft in position to have a 0 degree pitch and a 0 degree roll. Use the standard reference marks of the aircraft (tolerance +/- 5 minutes).
Subtask 34-12-51-010-050
B. Get Access
(1)
Make sure that the access platform is in position in the zone 126 at the access door 822.
(2)
Make sure that the access door 822 is open.
(3)
Make sure that the two screws and the protective cover are removed from the battery power center 105VU.
(4)
Make sure that the access platform is in position in the zone 128 at the access door 824.
(5)
Make sure that the access door 824 is open.
Subtask 34-12-51-865-050
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU NAV PROBES/ADIRU3/PWR/SWTG 8FP F09 49VU NAV PROBES/ADIRU 1/AND AOA 1/26VAC 5FP1 F07 49VU NAV PROBES/ADIRU1/115VAC 4FP1 F06
105VU ADIRS/ADIRU1/28VDC 6FP1 C02
R **ON A/C 001-049, 051-061, 101-105, 201-203,
121VU ADIRS/ADIRU/2PWR/SHED 10FP N11 121VU ADIRS/ADIRU/3PWR/SWTG 9FP N10 121VU ADIRS/ADIRU/2/26VAC AND AOA 5FP2 N09 121VU ADIRS/ADIRU/3/26VAC AND AOA 5FP3 N08 121VU ADIRS/ADIRU/2/115VAC 4FP2 N07
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 34-12-51Page 405 1201-220, 224-224, 1May 01/05 1 1 1CES 1
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU ADIRS/ADIRU/3/115VAC 4FP3 N06 121VU ADIRS/ADIRU/2/28VDC 6FP2 N05 121VU ADIRS/ADIRU/3/28VDC 6FP3 N04
R **ON A/C 062-099, 151-199, 204-220, 224-224,
121VU ADIRS/ADIRU/2PWR/SHED 10FP N10 121VU ADIRS/ADIRU/3PWR/SWTG 9FP N09 121VU ADIRS/ADIRU/2/26VAC AND AOA 5FP2 N08 121VU ADIRS/ADIRU/3/26VAC AND AOA 5FP3 N07 121VU ADIRS/ADIRU/2/115VAC 4FP2 N06 121VU ADIRS/ADIRU/3/115VAC 4FP3 N05 121VU ADIRS/ADIRU/2/28VDC 6FP2 N04 121VU ADIRS/ADIRU/3/28VDC 6FP3 N03
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 224-224,
4. Procedure
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Subtask 34-12-51-210-052
A. Heading Check
CAUTION : IF YOU MUST MOVE THE TOOL IN THE AIRCRAFT, BE CAREFUL NOT TO
_______ DAMAGE THE PEEL SHIMS OF THE SUPPORTS OF THE ADIRU MOUNT.
NOTE : Assemble the tool in the aircraft avionics compartment. The
____ assembled tool is too large to go through the access door of the zone.
(Ref. Fig. 402/TASK 34-12-51-991-002)
(1) Installation of the ALIGNMENT TOOL - MOUNT, ADIRU (98D34203000000)
(a)
Remove and discard the cotter pins (5).
(b)
Remove the nuts (4) and the washers (3).
(c)
Remove the flanges (6) from the pintles (1) of the nose gear.
(d)
Remove and discard the packings (7) and (2).
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 34-12-51Page 406 1201-220, 224-224, 1May 01/05 1 1 1CES 1
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