S 024-012
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ GROUND PROXIMITY WARNING COMPUTER. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE GROUND PROXIMITY WARNING COMPUTER.
 (2)
Remove the ground proximity warning computer (AMM 20-10-07/201).

 (3)  
Install dust caps on the electrical connectors.

 S 034-006
 TASK 34-42-11-404-003
 3.  Ground Proximity Warning Computer Installation______________________________________________
 A.  References
 (1)  
AMM 20-10-07/201, E/E Rack-Mounted Components

 (2)  
AMM 24-22-00/201, Electrical Power - Control

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (3)  IPC 34-42-11-01
 B. Access
 (1)  Location Zone
 205 Electronic Compartment
 101/102 Flight Compartment

 C. Procedure
 S 864-027
 (1)  Make sure these circuit breakers are open:
 (a)  P18 Load Control Center
 1) 18A7, GND PROX WARN

 S 434-017
 CAUTION: DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE
_______ GROUND PROXIMITY WARNING COMPUTER. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE GROUND PROXIMITY WARNING COMPUTER.
 (2)  
Install the ground proximity warning computer (AMM 20-10-07/201).

 S 864-008

 (3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  P18 Load Control Center
 1) 18A7, GND PROX WARN

 D. Ground Proximity Warning Computer Test
 S 864-007
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 864-020

 (2)  
Make sure these systems are on:

 (a)  
Low Range Radio Altimeter System

 (b)  
Air Data System

 (c)  
VOR/ILS Navigational System

 (d)  
Stall Warning System.

 S 754-014
 (3)  
Make sure these warning lights are off:

 (a)  The captain's and the first officer's PULL UP and BELOW G/S.

 (4)  
Select PRESENT STATUS on the GPWC front panel.

 S 744-015
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 754-016
 (5)  Make sure of this annunciation on the GPWC BITE display:
 NOTE: An all segment LED test shall precede the status messages.
____
 (a)  
IN TEST

 (b)  
AIRCRAFT TYPE 737-300 BASIC

 (c)  
BEJ 063-100, 113-999;
 DUAL RADIO ALTIMETER SELECTED

 (d)  
ALT. LAMP FORMAT SELECTED

 (e)  
FMC SELECTED

 (f)  
SYSTEM OK

 (g)  
-203 GPWS AND SUBSEQUENT;
 SOFTWARE VERSION IS XXX DD-MM-YY

 NOTE: XXX is software version number, DD-MM-YY is version
____
 date.

 (h)  -203 GPWS AND SUBSEQUENT;
 DATABASE VERSION IS XXX DD-MM-YY

 NOTE: XXX is database version number, DD-MM-YY is version
____
 date.

 (i)  
-208 GPWS AND SUBSEQUENT;
 1*XXXXX*
 2*XXXXX*
 3*XXXXX*

 (j)  
END TEST

 S 864-009
 (6)  Remove electrical power if it is not necessary (Ref 24-22-00/201).
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