-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 001-049, 101-105, 151-199,
34-43-11-991-001 Fig. 401
**ON A/C 051-099,
34-43-11-991-001-B Fig. 401A R **ON A/C 106-149, 201-299, 301-399, 401-499,
34-43-11-991-001-A Fig. 401B
**ON A/C ALL
3. Job Set-up
__________
Subtask 34-43-11-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
121VU COM NAV/TCAS 4SG K10 R **ON A/C ALL
Subtask 34-43-11-010-050
B. Get Access
(1) Put the access platform in position at zone 230 to get access to the TCAS top antenna 7SG1
1EFF : ALL 1 34-43-11Page 402 1 1 Aug 01/05 1 1 1CES 1
4. Procedure
_________ R **ON A/C 001-049, 101-105, 151-199,
Subtask 34-43-11-020-050
A. Removal of the TCAS Antenna
(Ref. Fig. 401/TASK 34-43-11-991-001)
(1)
Remove the sealant and the cord from the head of the screws (7).
(2)
Remove the screws (7) and the washers (8).
(3)
Pull the antenna (6) away from the fuselage structure (2).
(4)
Disconnect the coaxial connectors (1). NOTE : For the antenna 7SG1, the coaxial connectors (1) must not go
____
into the fuselage.
R (5) FOR 7SG1 Remove the foam washer (5).
(6)
Remove and discard the O-ring (4).
(7)
Remove the gasket (3).
(8)
Remove the antenna (6).
(9)
Put blanking caps on the disconnected coaxial connectors (1) and (9).
R (10) FOR 7SG1 Put masking tape around the coaxial cables (1) and attach them to the fuselage.
(11) Remove the sealant with a nonmetallic scraper and clean the fuselage structure with CLEANING AGENTS (Material No. 11-003).
1EFF : ALL 1 34-43-11Page 403 1 1 May 01/05 1 1 1CES 1
TCAS Antenna
Figure 401/TASK 34-43-11-991-001
R 1EFF : 001-049, 101-105, 151-199, 1 34-43-11Page 404 1 1 May 01/05 1 1 1CES 1 **ON A/C 051-099,
Subtask 34-43-11-020-050-B
A. Removal of the TCAS Antenna
(Ref. Fig. 401A/TASK 34-43-11-991-001-B)
(1)
Remove the sealant from the screw heads and around the antenna base.
(2)
Remove the screws (8) and the washers (7).
(3)
Pull the antenna (6) away from the fuselage structure (1).
(4)
Disconnect the four coaxial connectors (2). NOTE : For the antenna 7SG1, the coaxial connectors (2) must not go
____
into the fuselage.
(5)
FOR 7SG1
Remove the foam washer (5).
(6)
Remove and discard the O-ring (4) and the gasket (3).
(7)
Remove the antenna (6).
(8)
Put blanking caps on the disconnected coaxial connectors (2) and (9).
(9)
FOR 7SG1 Put masking tape around the coaxial cables (2) and attach them to the fuselage.
(10) Remove the sealant with a nonmetallic scraper and clean the fuselage structure with CLEANING AGENTS (Material No. 11-003).
R **ON A/C 106-149, 201-299, 301-399, 401-499,
Subtask 34-43-11-020-050-A
A. Removal of the TCAS Antenna
(Ref. Fig. 401B/TASK 34-43-11-991-001-A)
(1)
Remove the sealant from the screw heads and around the antenna base.
(2)
Remove the screws (9) and the washers (8).
R 1EFF : 051-099, 106-149, 201-299, 301-399, 1 34-43-11Page 405 1401-499, 1Aug 01/05 1 1 1CES 1
R TCAS Antenna
R Figure 401A/TASK 34-43-11-991-001-B
R 1EFF : 051-099, 1 34-43-11 Page 406
1 1 May 01/05
1 1
1CES 1
TCAS Antenna
Figure 401B/TASK 34-43-11-991-001-A
R 1EFF : 106-149, 201-299, 301-399, 401-499, 1 34-43-11Page 407 1 1 Aug 01/05 1 1 1CES 1
(3)
Pull the antenna (6) away from the fuselage structure (1).
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