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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(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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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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