D1153A D1898
pinA2 ------------------G9 pinB2 ------------------H9
(d) If you find a problem with the wiring, then do these steps: 1) Repair the wiring. 2) Re-install the ground proximity warning computer, M652. To install it, do this task:
Ground Proximity Warning Computer Installation, AMM TASK 34-46-01-400-801. 3) Re-install the weather radar receiver/transmitter, M101. To install it, do this task:Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801.
4) Do the Repair Confirmation. a) If AUTOTILT fault message does not show, then you have corrected the fault. b) If the AUTOTILT fault message shows, then continue.
(2) Do this check of the wiring between the weather radar receiver/transmitter and the weather radar antenna drive unit:
(a)
Remove the weather radar receiver/transmitter, M101. To remove it, do this task: Weather Radar Receiver/Transmitter Removal, AMM TASK 34-43-41-000-801.
(b)
Disconnect the weather radar antenna drive unit connector D119.
(c)
Do a wiring check between the weather radar receiver/transmitter connector D189B, D189C, and the weather radar antenna drive unit connector D119 (WDM 34-41-11).
D119 D189C
pini --------------------pin3 pinz -------------------pin8
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D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details Page 217 Feb 15/2011
D119 D189B
pins -------------------C13 pint --------------------C14 D ----------------------C10 E ----------------------C11 F ----------------------C12 p ----------------------E13 q ----------------------E14 A ----------------------E10 B ----------------------E11 C ----------------------E12 HH ---------------------D11
(d) If you find a problem with the wiring, then do these steps: 1) Repair the wiring. 2) Re-install the weather radar receiver/transmitter, M101. To install it, do this
task:Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801. 3) Re-connect the weather radar antenna drive unit connector, D119. 4) Do the Repair Confirmation. a) If the AUTOTILT fault message does not show, then you have corrected the fault. b) If the AUTOTILT fault message shows, then continue.
(3)
Replace the WXR control panel, P8-52. To replace it, do these tasks: Weather Radar Control Panel Removal, AMM TASK 34-43-91-000-801, Weather Radar Control Panel Installation, AMM TASK 34-43-91-400-801.
(4)
Do the Repair Confirmation.
(a)
If the AUTOTILT fault message does not show, then you have corrected the fault.
(b)
If the AUTOTILT fault message shows, then continue.
(5)
Replace the weather radar transceiver, M101. To replace it, do these tasks: Weather Radar Receiver/Transmitter Removal, AMM TASK 34-43-41-000-801, Weather Radar Receiver/Transmitter Installation, AMM TASK 34-43-41-400-801.
(6)
Do the Repair Confirmation.
(a) If the AUTOTILT fault message does not show, then you have corrected the fault.
D. Repair Confirmation
WARNING: DO NOT OPERATE THE WEATHER RADAR UNLESS ALL PERSONNEL ARE MORE THAN 50 FT (15 M) FROM THE RADAR. DO NOT OPERATE THE WEATHER RADAR IN A HANGAR. IF YOU DO NOT OBEY THESE PRECAUTIONS, INJURIES TO PERSONNEL CAN OCCUR.
WARNING: IF THERE IS FUEL LEAKAGE OR AN OPEN FUEL CELL LESS THAN 50 FT (15 M) FROM THE RADAR, DO NOT OPERATE THE WEATHER RADAR. IF THERE IS FUEL IN THE 50-FOOT RADIUS AROUND THE RADAR, IT CAN CAUSE A FIRE AND EXPLOSION. THESE CAN CAUSE INJURIES TO PERSONNEL, AND DAMAGE TO EQUIPMENT. THESE CAN KILL PERSONNEL.
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