(b)  
Make sure the resistance is not more than 1 milliohms.

 (c)  
Install the last screw.

 S 434-017
 (11) Use the sealing gun or tube to apply a fillet seal of the aerodynamic smoother around the antenna base.
 NOTE:____Make sure no air is caught when you apply the seal. Apply sufficient sealant so that you can make the seal smooth and level.
 S 434-018
 (12) Use the spatula to make an equal 45-degree fillet seal of the compound.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 434-019
 (13) Remove the unwanted sealant from the area around the antenna base.
 E. DME Antenna Test
 S 864-021
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 864-024

 (2)  
AIRPLANES WITHOUT EFIS; Make sure the applicable DME, VHF NAV, and INSTR XFMR circuit breakers on the P6 and P18 panels are closed.

 S 864-025

 (3)  
AIRPLANES WITH EFIS; Make sure the applicable DME, VHF NAV, EFIS and EHSI circuit breakers on the P6 and P18 panels are closed.

 S 714-030

 (4)  
Do a test of the antenna, as follows:

 (a)  
Set the mode select switch on the applicable VHF NAV control panel to the MAN position.

 (b)  
Set the local VOR/ILS station's frequency on the applicable VHF NAV control panel.

 (c)  
Make sure the captain and first officer RDDMI DME indicator shows the correct value.

 (d)  
If the local VOR/ILS station is not avialable, do the DME System Test (AMM 34-55-00/501, Airplanes without EFIS) or (AMM 34-55-02/501, Airplanes with EFIS).

 (5)
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 864-031
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 DME INTERROGATOR - REMOVAL/INSTALLATION
_______________________________________
 1.  General
_______
 A.  This procedure has two tasks. One is the removal of the DME
 interrogator; the other is installation of the DME interrogator.

 B.  The left, and right DME interrogators are installed in the main equipment center on the rack E-2.
 TASK 34-55-21-004-066
 2.  DME Interrogator Removal
________________________
 A.  References
 (1)  AMM 20-10-07/201, E/E Rack-Mounted Components
 B.  Access
 (1)  Location Zones
 101/102 Flight Compartment
 205 Electronic Compartment

 C.  Procedure
 S 864-001
 (1)  Open the applicable circuit breaker and attach a DO-NOT-CLOSE tag:
 (a)  
P6 Circuit Breaker Panel
 1) DME 2

 (b)  
P18 Circuit Breaker Panel
 1) DME 1

 S 024-068
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ DME INTERROGATOR. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE DME INTERROGATOR.
 (2)
Remove the applicable DME interrogator (AMM 20-10-07/201).

 S 034-069

 (3)  
Install dust caps on the electrical connectors.

 TASK 34-55-21-424-005
 3.  Install DME interrogator
________________________
 A.  General
 (1)  Slide DME interrogator into rack, ensuring connectors at rear seat with airplane connectors, and secure interrogator in the shelf with hold-down fasteners.
 B.  References
 (1)  
AMM 24-22-00/201, Electrical power

 (2)  
　
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