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ACTION RESULT -------------------------------------------------------------------------------
-gradually turn the TILT selector switch to 10 deg. up (10 UP notch)
7. On the weather radar control unit:
-gradually turn the TILT selector switch to 15 deg. up (15 UP notch)
8. On the weather radar control unit:
-gradually turn the TILT selector switch to 5 deg. down (5 DN notch)
9. On the weather radar control unit:
-gradually turn the TILT selector switch to 10 deg. down (10 DN notch)
10. On the weather radar control unit:
-gradually turn the TILT selector switch to 15 deg. down (15 DN notch)
11. On the weather radar control unit:
-gradually turn the TILT selector switch to 0 deg.
12.
Turn manually and carefully the antenna to 90 deg. right and do again steps 7 through 13.
13.
Turn manually and carefully the antenna to 90 deg. left and do again steps 7 through 13.
14.
Turn manually and carefully the antenna along the aircraft
-
make sure that the antenna turns inelevation 10 deg. up.
On the elevation indicator of theantenna drive unit:
-
make sure that the antenna turns inelevation 15 deg. up.
On the elevation indicator of theantenna drive unit:
-
make sure that the antenna turns inelevation 5 deg. down.
On the elevation indicator of theantenna drive unit:
-
make sure that the antenna turns inelevation 10 deg. down.
On the elevation indicator of theantenna drive unit:
-
make sure that the antenna turns inelevation 15 deg. down.
On the elevation indicator of theantenna drive unit:
-
make sure that the antenna turns inelevation 0 deg.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------centerline (0 deg. in azimuth and in elevation).
15. On the weather radar control unit: - set the system switch to OFF.
16. On the antenna drive unit: - set the AZ selector switch to ON.
5. Close-up________
Subtask 34-41-00-860-063
A. Put the aircraft back to its initial configuration.
(1) On the CAPT and F/O EFIS switching panels 417VU and 418VU, set the ND potentiometers to OFF.
(2) Do the EIS stop procedure (EFIS only) (Ref. TASK 31-60-00-860-002).
(3) Do the ADIRS stop procedure (Ref. TASK 34-10-00-860-005).
(4) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
Subtask 34-41-00-080-050
R B. In the radome, on the weather radar antenna:
R (1) Remove the dummy load from the waveguide assembly.
R (2) Install the O-ring on the waveguide connector on the antenna drive unit.
R (3) Connect the waveguide assembly to the antenna drive unit and lock the quick-disconnect fastener.
R (4) Make sure that the AZ and EL selector switches are at ON and that the antenna is free to move in azimuth and in elevation.
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R (5) Tighten the two screws that prevent operation of the AZ and EL
selector switches on the antenna drive unit. Subtask 34-41-00-410-052
C. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 811 and the radome 110AL (Ref. TASK 53-15-11-410-001).
(3)
Remove the access platform(s).
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