BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 VHF NAV CONTROL PANEL - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  This subject has two tasks. The first task is the removal of the VHF NAV control panel. The second task is the installation of the VHF NAV control panel and a test of the VHF NAV control panel.
 TASK 34-31-52-004-033
 2.  VHF NAV Control Panel Removal_____________________________
 A.  General
 (1)  The No. 1 VHF NAV control panel (P8-25) and the No. 2 VHF NAV control panel (P8-26) are on the aft electronic panel (P8).
 B.  Access
 (1)  Location Zone
 101, 102 Control Cabin

 C.  Procedure
 S 864-013
 (1)  For No. 1 VHF NAV control panel, open these circuit breakers and attach DO-NOT-CLOSE tags:
 (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 864-029
 (2)  For the No. 2 VHF NAV control panel, open these circuit breakers and attach DO-NOT-CLOSE tags:
 (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 424-032
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE VHF
_______ NAV CONTROL PANEL. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE FROM YOUR BODY CAN CAUSE DAMAGE TO THE CONTROL PANEL.
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 34-31-52
 ú ú 03 Page 401 ú Nov 15/98

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (3)  Remove the VHF NAV control panel:
 (a)  
Release the fasteners that attach the panel.

 (b)  
Pull the control panel from the aft electronics panel to get access to the electrical connectors.

 (c)  
Disconnect the electrical connectors from the control panel.

 (d)  
Install dust caps on the electrical connectors.

 TASK 34-31-52-404-034
 3.  VHF NAV Control Panel Installation__________________________________
 A. General
 (1)  The No. 1 VHF NAV control panel (P8-25) and the No. 2 VHF NAV control panel (P8-26) are on the aft electronic panel (P8).
 B. References
 (1)  AMM 24-22-00/201, Manual Control
 C. Access
 (1)  Location Zone
 101, 102 Control Cabin

 D. Procedure
 S 864-019
 (1)  For the No. 1 VHF NAV control panel, open these circuit breakers and attach DO-NOT-CLOSE tags:
 (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 864-030
 (2)  For the No. 2 VHF NAV control panel, open these circuit breakers and attach DO-NOT-CLOSE tags:
 (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

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú

 34-31-52

 ú ú 03 Page 402 ú Nov 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 424-016
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE VHF
_______ NAV CONTROL PANEL. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE FROM YOUR BODY CAN CAUSE DAMAGE TO THE CONTROL PANEL.
 (3)  Install the VHF NAV control panel:
　
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