(b)  
Connect the electrical connectors to the control panel.

 (c)  
Put the control panel into the aft electronics panel.

 (d)  
Install the fasteners.

 S 864-023
 (4)  For the No. 1 VHF NAV control panel, remove the DO-NOT-CLOSE tags and close these circuit breakers:
 (a)  
P18 Load Control Center - Left
 1) VHF NAV-1 VOR/ILS
 2) FMC
 3) CDU NO. 1

 (b)  
P6 Load Control Center - Right
 1) ELECTRONICS PANEL LIGHTS

 S 864-031
 (5)  For the No. 2 VHF NAV control panel, remove the DO-NOT-CLOSE tags and close these circuit breakers:
 (a)  
P18 Load Control Center - Left
 1) FMC
 2) CDU NO. 2

 (b)  
P6 Load Control Center - Right
 1) VHF NAV-2 VOR/ILS
 2) ELECTRONICS PANEL LIGHTS

 S 864-027
 (6)  
Do this task to supply electrical power: Manual Control (AMM 24-22-00/201).

 (7)  
Make sure the lights on the VHF NAV control panel are on.

 S 714-028
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A 737-300/400/500MAINTENANCE MANUAL
 (8)  S 714-035Set a local VOR frequency on the VHF NAV control panel. (a) Make sure you hear the local VOR sound through the flight interphone system.
 (9)  S 864-005If electrical power is not necessary, do this task to remove electrical power: "Manual Control" (AMM 24-22-00/201).

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A
737-300/400/500MAINTENANCE MANUAL
 FLIGHT INSTRUMENT ACCESSORY UNIT - REMOVAL/INSTALLATION
_______________________________________________________
 1.  General_______
 A.  This subject has two tasks. The first task is the removal of the flight instrument accessory unit. The second task is the installation and test of the flight instrument accessory unit.
 TASK 34-31-61-004-023
 2.  Flight Instrument Accessory Unit Removal________________________________________
 A.  General
 (1)  The flight instrument accessory unit (M160) is on shelf 2 of the electronic equipment rack (E1).
 B.  References
 (1)  20-10-07/201, E/E Rack-Mounted Components
 C.  Access
 (1)  
Location Zone
 205 Electronic Compartment

 (2)  
Access Panels
 1201L Electronic Equipment Access Door

 D.  Procedure
 S 864-045
 (1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  
P18 Load Control Center - Left
 1) INSTR XFR
 2) IRS NO. 1 DC
 3) VOR/LOC-1

 (b)  
P6 Load Control Center - Right
 1) IRS NO. 2 AC
 2) IRS NO. 2 DC
 3) VOR/LOC-2

 S 024-027
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ ACCESSORY UNIT. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE FROM YOUR BODY CAN CAUSE DAMAGE TO THE ACCESSORY UNIT.
 (2)  Do this task to remove the accessory unit: Remove the Rack-Mounted E/E Box (Ref 20-10-07/201).
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737-300/400/500MAINTENANCE MANUAL
 S 034-028
　
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