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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
3) 4) Attach section 1 to the WXR antenna with the quick-disconnect.Loosely attach the forward flange of section 2 to section 1 with the four screws.
(b) Tighten all the screws.
NOTE:____ Make sure there is no force on the waveguide. Move the waveguide within the clamp to make the waveguide fits correctly.
1) AIRPLANES WITH COLLINS WXR-700X WEATHER RADAR SYSTEMS; Attach section 1 to the WXR antenna with the
(c) quick-disconnect.AIRPLANES WITH SPERRY PRIMUS 90 WEATHER RADAR SYSTEMS; Connect section 2:
1) Put section 2 in its position and align it with section 1.
NOTE:____ Make sure you install the waveguide gaskets.
2) Loosely attach the forward flange of section 2 to section 1 with the four screws.
(d) AIRPLANES WITH COLLINS WXR-700X WEATHER RADAR SYSTEMS; Connect section 2:
1) 2) Put section 2 and gaskets in its position and align it between section 1 and the R/T.Loosely attach the forward flange of section 2 to section 1 with the four screws.
3) Loosely attach section 2 to the R/T with the four screws, the lock washers and the gaskets.
(e) AIRPLANES WITH SPERRY PRIMUS 90 WEATHER RADAR SYSTEMS; Connect section 3:
1) Align section 3 and gasket with the waveguide switch and connect it with the four screws.
2) Align section 3 and gasket with the R/T mount and connect it with the four screws.
(f) (g) AIRPLANES WITH COLLINS WXR-700X WEATHER RADAR SYSTEMS; Install the clamp below the antenna and attach it to the support bracket with one screw.Tighten all the screws.
NOTE:____ Make sure there is no force on the waveguide. Move the support bracket, the R/T mount and other items if it is necessary to make the waveguide fit correctly.
S 434-071
(10) Install the R/T (Ref 34-41-41/401).
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737-300/400/500MAINTENANCE MANUAL
S 864-073
(11)
Supply electrical power (Ref 24-22-00/201).
S 864-075
(12)
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 R/T
3) WEATHER RADAR DC
S 864-082
(13) 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
E. Waveguide Test
S 714-098
(1)
AIRPLANES WITH SPERRY PRIMUS 90 WEATHER RADAR SYSTEM;
Do the operational test of the weather radar system
(AMM 34-41-00/501).
S 714-040
(2)
AIRPLANES WITH COLLINS WXR-700X WEATHER RADAR SYSTEMS;
Do the operational test for the weather radar system
(AMM 34-41-02/501).
NOTE: If you see the correct test pattern, the waveguide is
____ installed correctly. If there is a problem, you will see a T/R or an ANT fault message on the EHSI.
F. Put the Airplane Back to its Usual Condition
S 414-086
(1) Close the nose radome.
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