C. Install the ATC grount test unit in the cockpit.
 (1) Put the antenna of the ATC ground test unit at 50cm (approx 2 ft.) from the ATC antennas.
 NOTE : Use an access platform or a telescopic pole to put the test
____
 antenna near the ATC bottom antenna.

 (2) Connect the antenna to the ATC ground test unit.
 (3) Set the ATC ground test unit to ON. Subtask 34-52-00-860-085
 D. On the center pedestal, on the ATC/TCAS control unit, set:
 -
the ATC system 1(2) on.

 -
the ATC code 5555 to keep the traffic interference to a minimum.

 -
the ALT RPTG OFF/ON switch to OFF.

 -
the STBY/AUTO/ON selector switch to STBY.

 4. Procedure
_________ Subtask 34-52-00-720-059
 A. Functional Test of the ATC Antennas
 NOTE : Do the test of the ATC bottom antenna 1(2) first.

____
 Then, do the test of the ATC top antenna 1(2).

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
On the ATC/TCAS control unit: On the ATC ground test unit,
 -
set the STBY/AUTO/ON switch to ON. the data display shows the code 5555. On the ATC/TCAS control unit:

 -
set the STBY/AUTO/ON switch to STBY.

 1EFF : ALL 1 34-52-00Page 539 1 1 Aug 01/05 1 1 1CES 1

 5. Close-up
________ Subtask 34-52-00-860-087
 A. Put the aircraft back to its initial configuration.
 (1) Set the ATC ground test unit to OFF.
 (2) Remove the test antenna and the ground test unit. Subtask 34-52-00-862-055
 B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
 1EFF : ALL 1 34-52-00Page 540 1 1 Aug 01/05 1 1 1CES 1 ANTENNA - ATC (7SH1,7SH2,7SH3,7SH4) - REMOVAL/INSTALLATION

__________________________________________________________
 TASK 34-52-11-000-001
 Removal of the ATC Antenna (7SH1,7SH2,7SH3,7SH4)
 WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL MATERIALS
_______ ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
 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 nonmetallic scraper FOR FIN 7SH3, 7SH4 No specific access platform 6.0 m (19 ft. 8 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
34-52-11-991-001 Fig. 401
 1EFF : ALL 1 34-52-11Page 401 1 1 Feb 01/98 1 1 1CES 1

 3. Job Set-up
__________
 Subtask 34-52-11-865-050

 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R FOR 7SH1, 7SH3 R 49VU COM NAV/ATC/1 5SH1 G11 FOR 7SH2, 7SH4 121VU COM NAV/ATC/2 5SH2 K07
 Subtask 34-52-11-010-050
 B. Get Access
 (1)
 FOR 7SH1, 7SH2 Find the ATC bottom antenna 1 7SH1 at zone 127 or ATC bottom antenna 2 7SH2 at zone 128.

 (2)
 FOR 7SH3, 7SH4 Put the access platform in position at zone 224 (ATC top antenna 1 7SH3) or at zone 223 (ATC top antenna 2 7SH4)

 4. Procedure
_________
 (Ref. Fig. 401/TASK 34-52-11-991-001)
 Subtask 34-52-11-020-050

 A. Removal of the ATC Antenna NOTE : The procedure is the same for the ATC antennas 7SH1, 7SH2, 7SH3
____
 and 7SH4.

 (1)
 Remove the sealant from the heads of the screws (5) with anonmetallic scraper.

 (2)
 Remove the screws (5).

 (3)
 Pull the antenna (4) away from the fuselage (1).

 (4)
 Disconnect the coaxial connector (2) from the ATC antenna connector (3).
　
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