(14)
Tighten the screws (2) in a diagonal sequence.
(15)
Remove the unwanted sealant with a nonmetallic scraper.
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(16)
Remove the remaining masking tape.
(17)
Make sure that the bonding contact resistance between the antenna (1) and the fuselage structure (3) is not higher than 5 milliohms (Ref. TASK 20-28-00-912-004).
(18)
Make a sealing bead with SEALANTS (Material No. 09-016) around the antenna (1) (Ref. TASK 51-76-11-300-001).
(19)
Apply SEALANTS (Material No. 09-016) to the heads of the screws (2).
(20)
Make the contour of the sealant on the screws (2) and around the antenna (1) smooth.
(21)
Let the sealant cure.
(22)
Apply STRUCTURE PAINTS (Material No. 16-003) to the sealant around the base of the antenna (1).
(23)
Apply PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-001B) to the sealant on the head of the screws (2).
Subtask 34-36-16-865-054
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 42RT1, 42RT2
Subtask 34-36-16-710-051
C. Do the operational test of the GPS.
(1)
Make sure that the IR system is aligned (Ref. TASK 34-10-00-860-004).
(2)
On one MCDU, push the DATA key to get the DATA INDEX page and then push the line key adjacent to the GPS MONITOR indication.
(3)
On the GPS MONITOR page, after some minutes, make sure that:
-
the GPS1(2) POSITION indication is correct.
-
the TTRK indication shows dashes.
-
the MERIT indication shows approx. 100 m.
-
the GS indication shows approx. 000.
-
the MODE indication shows NAV.
(4)
On the upper ECAM DU, make sure that there is no GPS fault message.
(5)
De-energize the aircraft electrical circuits.
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(6) Put the aircraft back to its initial configuration.
________
5. Close-up
Subtask 34-36-16-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the access platform(s).
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ANTENNA - GLIDE/SLOPE (4RT) - REMOVAL/INSTALLATION
__________________________________________________ TASK 34-36-18-000-001 Removal of the Glide/Slope Antenna (4RT)
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.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
53-15-11-010-001 Opening of the Radome 110AL 34-36-18-991-001 Fig. 401
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3. Job Set-up__________ Subtask 34-36-18-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R **ON A/C 001-004, 051-060,
49VU NAV/ILS/1 121VU COM NAV/ILS/2 **ON A/C ALL 1RT1 1RT2 G12K09
R 121VU COM NAV/RADAR/1 **ON A/C 051-099, 5SQ1 K13
R R 121VU COM NAV/RADAR/2 **ON A/C ALL 5SQ2 K14
Subtask 34-36-18-010-050
B. Get Access
(1) In the cockpit, put a warning notice on the center pedestal to tell persons not to operate or to start 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) .
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4. Procedure
_________
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