(2)
24-22-00/201, Manual Control
(3)
34-31-00/501, VOR/ILS Navigation System
C. Access
(1)
Location Zone
205 Electronics Compartment
(2)
Access Panel
1201L Electronic Equipment Access Door
D. Procedure
S 864-046
(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 434-033
CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTOR ON THE
_______ ACCESSORY UNIT. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE FROM YOUR BODY CAN CAUSE DAMAGE TO THE ACCESSORY UNIT.
(2) Remove the dust caps from the electrical connectors.
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A 737-300/400/500MAINTENANCE MANUAL
(3) S 424-034Do this task to install the accessory unit: Install the Rack-Mounted E/E Box (Ref 20-10-07/201).
(4) S 864-044Remove the DO-NOT-CLOSE tags and close these circuit breakers: (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
(5) S 714-038Do the VHF NAV Transfer Switch Test part of the VOR/ILS Operational Test (Ref 34-31-00/501).
(6) S 864-043If 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.
(1) AIRPLANES WITH THE INTEGRATED FLIGHT SYSTEM ACCESSORY UNIT; The flight instrument accessory unit (M160) is replaced by the integrated flight system accessory unit (M1474). The removal/installation procedure for the integrated flight system accessory unit is in AMM 22-11-37/401.
TASK 34-31-62-004-046
2. Flight Instrument Accessory Unit Removal________________________________________
A. General
(1) The flight instrument accessory unit (M160) is on shelf No. 2 of the electronic equipment rack (E1).
B. References
(1) AMM 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 864-024
(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) VHF NAV-1 VOR/ILS
(b)
P6 Load Control Center - Right
1) IRS NO. 2 AC
2) IRS NO. 2 DC
3) VHF NAV-2 VOR/ILS
S 024-027
CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
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