-
push the line key adjacent to the RETURN indication.
**ON A/C ALL
5. Close-up
________
Subtask 34-41-00-860-051During the test sequence, make surethat the antenna :
-
turns in elevation (+10., -10.)
-
turns in azimuth (+15., -15.) then scans continuously -90., +90. to the end of the test.
At the end of the test, on the MCDU, the TEST OK indication comes into view. On the CAPT and F/O NDs, ignore the radar indications.
The antenna stopsOn the MCDU :
-the MCDU MENU page comes into view.
A. Put the aircraft back to its initial configuration.
(1)
On the panels 301VU and 500VU, set the PFD and ND potentiometers to OFF.
(2)
On the panel 8VU, set the ATT HDG selector switch to NORM.
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
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(4) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
Subtask 34-41-00-410-050
B. Close Access
(1)
Close the radome 110AL (Ref. TASK 53-15-11-410-001). NOTE : Make sure that the radome locks correctly.
____
(2)
Remove the access platform(s).
(3)
Remove the warning notice(s).
1EFF : ALL 1 34-41-00Page 537 1 1 May 01/05 1 1 1CES 1
ANTENNA ASSEMBLY - WEATHER RADAR (7SQ,11SQ) - REMOVAL/INSTALLATION
__________________________________________________________________ TASK 34-41-11-000-004 Removal of the Weather Radar Antenna Assembly (7SQ,11SQ) WARNING : MOVE THE RADAR ANTENNA ASSEMBLY CAREFULLY TO PREVENT INJURY TO
_______ PERSONS AND DAMAGE TO EQUIPMENT. THE RADAR ANTENNA ASSEMBLY (ANTENNA/DRIVE) WEIGHS APPROXIMATELY 15kg (33lb).
CAUTION : DO NOT USE THE LOCALIZER ANTENNA AT THE BOTTOM OF THE RADOME AS A
_______ SUPPORT.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 3.5 m (11 ft. 6 in.)
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B. Referenced Information -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------53-15-11-010-001 Opening of the Radome 110AL **ON A/C 001-049, 101-105, 151-199,
34-41-11-991-001 Fig. 401 R **ON A/C 051-099, 106-149, 201-299, 301-399, 401-499,
34-41-11-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 34-41-11-865-059
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU COM NAV/RADAR/1 5SQ1 K13
**ON A/C 051-099,
121VU COM NAV/RADAR/2 5SQ2 K14
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Subtask 34-41-11-010-053
B. Get Access
(1)
In the cockpit, put a warning notice on the center pedestal, to tell persons not to operate the weather radar system.
(2)
Put the access platform in position in zone 110 below the radome.
(3)
Open the radome 110AL (Ref. TASK 53-15-11-010-001).
4. Procedure
_________
**ON A/C 001-049, 101-105, 151-199,
(Ref. Fig. 401/TASK 34-41-11-991-001) R **ON A/C 051-099, 106-149, 201-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 34-41-11-991-001-A)
**ON A/C 001-049, 101-105, 151-199,
Subtask 34-41-11-020-056
A. Removal of the Antenna Plate
(1) Remove the four screws (20) and the lockwashers (19) which connect the flange of the wave guide (18) to the antenna (1).
NOTE : During the removal of the antenna:
____ - one person must hold the antenna - one person must hold the position indicator (14) to prevent
damage to the drive caused by fast movement of the counterbalance spring.
(2)
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