(i)
Connect the electrical connector D2273 on the wire bundle to the blower motor connector.
S 224-020
(5) Do a check of the electrical bond between the shelf assembly and the R/T mount (SWPM 20-20-00).
(a) Make sure the resistance is not more than 0.002 ohms.
S 434-008
(6)
Do this task to attach the R/T to the R/T mount: Receiver/Transmitter Installation (AMM 34-41-41/401).
(7)
Supply electrical power (AMM 24-22-00/201).
S 864-012
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A
737-300/400/500MAINTENANCE MANUAL
WAVEGUIDE R/T MOUNT SWITCH
SEE A
SCREW (4) SHELF ASSEMBLY (LOWER NOSE COMPARTMENT)
FWD
OUTBD
WAVEGUIDE SWITCH
WAVEGUIDE AND DUMMY LOAD
SECTION 2
R/T MOUNT
WAVEGUIDE SWITCH ELECTRICAL CONNECTOR
WAVEGUIDE SECTION 3
(FLEXIBLE) SHELF ASSEMBLY
(LOWER NOSE
NUT AND COMPARTMENT)
WASHER (4)
R/T MOUNT FWD OUTBD
ELECTRICAL
CONNECTOR
A
Weather Radar Receiver/Transmitter Mount Installation
Figure 401 (Sheet 1)
E85681
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
FORWARD
BULKHEAD
SCREWS (4)
WASHERS (8) SECTION 2
NUTS (4)
R/T MOUNT
WAVEGUIDE
WAVEGUIDE FLANGE
SCREWS (4)
LOCKWASHERS (4)
GASKET (1)
BLOWER
MOTOR
CONNECTOR
CONNECTOR
D189
SCREW (4)
R/T MOUNT
SHELF ASSEMBLY COMPARTMENT) (LOWER NOSE FWD OUTBD
Weather Radar Receiver/Transmitter Mount Installation Figure 401 (Sheet 2)
E85580
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A
737-300/400/500MAINTENANCE MANUAL
S 864-057
(8) AIRPLANES WITH SPERRY PRIMUS 90 WEATHER RADAR SYSTEMS; Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Load Control Center - Right
1) WEATHER RADAR AC
2) WEATHER RADAR DC
S 864-062
(9) AIRPLANES WITH COLLINS WXR-700X WEATHER RADAR SYSTEMS; Remove the DO-NOT-CLOSE tag and close this circuit breaker:
(a) P6 Load Control Center - Right
1) WEATHER RADAR R/T
S 714-075
(10)
AIRPLANES WITH SPERRY PRIMUS 90 WEATHER RADAR SYSTEM; Do the operational test of the weather radar system (AMM 34-41-00/501).
S 714-080
(11)
AIRPLANES WITH COLLINS WXR-700 WEATHER RADAR SYSTEMS; Do the operational test of the weather radar system (AMM 34-41-02/501).
(12)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 864-011
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
WEATHER RADAR RECEIVER-TRANSMITTER - REMOVAL/INSTALLATION
_________________________________________________________
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