GENERAL AEROSPACE
Boeing 737-300
MAINTENANCE MANUAL
EFFECTIVITY
PW245
34-53-11GA
DRAWING # GA-KD28-ATC-MM
Page 401
Use and disclosure shall be in accordance with the proprietary legend located on the cover of this document
Aug 15/10
AIR TRAFFIC CONTROL (ATC) ANTENNA - REMOVAL/INSTALLATION
1.
General
A.
The subject has two tasks. The first task is the removal of the ATC antenna. The second task is the
installation of the ATC antenna and a test of the ATC antenna.
2.
ATC Antenna Removal
A.
Reference
(1)
AMM 20-10-34/701, Metal Surfaces
(2)
AMM 51-21-31/701, Corrosion Removal and Control
B.
Access
(1)
Location Zone
101/102 Flight Compartment
C.
Equipment
(1)
Aerodynamic smoother cutting tool - hardwood or plexiglass
D.
Procedure
(1)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P18 Load Control Center - Left
1)
ATC-1 AC
2)
ATC-1 DC
3)
TCAS Speaker
(b)
P6 Load Control Center - Right
1)
ATC-2 AC
2)
ATC-2 DC
(2)
Remove the ATC antenna:
(a)
Remove the screws that attach the ATC antenna to the airplane structure (Fig. 401).
CAUTION:
Move the antenna only as far as necessary to disconnect the cable. Damage to the antenna
cable can occur if you pull the cable.
(b)
Pull the antenna assembly away from the airplane structure to get access to the coaxial cables.
(c)
Disconnect the coaxial cables.
NOTE
: Do not let the antenna cable retracts into the fuselage.
(d)
Install dust caps on the electrical connectors.
(e)
Remove the ATC antenna.
(f)
Do this task to clean the airplane surface. Aluminum Corrosion Removal (AMM 51-21-31/701).
3.
ATC Antenna Installation
A.
Consumable Materials
(1)
G00009 Corrosion Preventive Compound (Dow Corning No. 4) - BMS 3-23
(2)
A00073 Aerodynamic Sealant - BMS 5-95, class B-1/2 (Ref 20-30-11)
B.
References
(1)
SWPM 20-20-00, Standard Wiring Practices Manual
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 51-31-00/200, Seals and Sealing
(4)
SRM 51-20-01
C.
Access
(1)
Location Zone
101/102 Flight Compartment
