(2)
AMM 34-57-00/501, Automatic Direction Finder System
(AIRPLANES WITHOUT EFIS)
(3)
AMM 34-57-01/501, Automatic Direction Finder System
(AIRPLANES WITH EFIS)
B. Access
(1) Location Zones
101 Flight Compartment, Left
102 Flight Compartment, Right
C. Procedure
S 864-061
(1) Open these circuit breaker and attach DO-NOT-CLOSE tags:
(a)
P18 Circuit Breaker Panel
1) AIRPLANES WITHOUT EFIS;
ADF-1 AC or INST XFMR-1
2) AIRPLANES WITH EFIS;
ADF-1 AC or EXCIT XFMR-1 3) ADF-1 DC
(b)
P6 Circuit Breaker Panel
1) AIRPLANES WITHOUT EFIS;
ADF-2 AC or INST XFMR-2
2) AIRPLANES WITH EFIS;
ADF-2 AC or EXCIT XFMR-2 3) ADF-2 DC
S 424-038
(2)
Connect the electrical connectors to the control panel.
(3)
Install the ADF control panel.
(4)
Tighten the captive dzus fasteners on the control panel.
S 424-056
S 424-040
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A 737-300/400/500MAINTENANCE MANUAL
(5) S 864-093Remove the DO-NOT-CLOSE tags and close these circuit breakers: (a) P18 Circuit Breaker Panel 1) AIRPLANES WITHOUT EFIS; ADF-1 AC or INST XFMR-1 2) AIRPLANES WITH EFIS; ADF-1 AC or EXCIT XFMR-1 3) ADF-1 DC (b) P6 Circuit Breaker Panel 1) AIRPLANES WITHOUT EFIS; ADF-2 AC or INST XFMR-2 2) AIRPLANES WITH EFIS; ADF-2 AC or EXCIT XFMR-2 3) ADF-2 DC
(6) S 754-043Make sure the panel lights are on.
(7) S 734-097Do the ADF System Test (AMM 34-57-01/501).
(8) S 864-059Remove electrical power if it is not necessary (AMM 24-22-00/201).
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A
737-300/400/500MAINTENANCE MANUAL
AUTOMATIC DIRECTION FINDER RECEIVER - REMOVAL/INSTALLATION
__________________________________________________________
1. General
_______
A. This procedure has two tasks. One is the removal of the ADF receiver, the other is the installation of the ADF receiver.
B. The ADF receivers are installed on the E2-4 rack in the electronics equipment bay.
TASK 34-57-51-004-001
2. ADF Receiver Removal
____________________
A. References
(1) AMM 20-10-07/201, E/E Rack-Mounted Components
B. Access
(1)
Location Zones
205 Electronic Compartment
(2)
Access Panels
1201L Electronic Equipment Access Door
C. Procedure
S 864-002
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P18 Circuit Breaker Panel
1) AIRPLANES WITHOUT EFIS;
ADF-1 AC or INST XFMR-1
2) AIRPLANES WITH EFIS;
ADF-2 AC or EXCIT XFMR-2 3) ADF-1 DC
(b)
P6 Circuit Breaker Panel
1) AIRPLANES WITHOUT EFIS;
ADF-2 AC or INST XFMR-2
2) AIRPLANES WITH EFIS;
ADF-2 AC or EXCIT XFMR-2 3) ADF-2 DC
S 024-041
CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE ADF
_______ RECEIVER. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE ADF RECEIVER.
(2) Remove the ADF receiver (AMM 20-10-07/201).
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