WEATHER RADAR INDICATOR - REMOVAL/INSTALLATION
1. General
A. The weather radar indicator is installed in a mounting tray located in the forward electronic panel (P8). The tray has a locking lever at the forward edge that secures the indicator in the tray.
WARNING: OPERATION OF WEATHER RADAR EQUIPMENT INVOLVES USE OF DANGEROUS VOLTAGES. DURING REMOVAL AND INSTALLATION PROCEDURES, MAKE CERTAIN THAT WEATHER RADAR CIRCUIT BREAKERS ON CIRCUIT BREAKER PANEL P18-1 ARE OPENED AND ARE TAGGED WITH "DO-NOT-OPERATE" IDENTIFIERS.
DO NOT OPERATE WEATHER RADAR WHILE AIRPLANE IS BEING REFUELED OR DEFUELED AND DO NOT OPERATE IN ANY RADIATING MODE WHILE A FUELING OPERATION IS BEING CONDUCTED WITHIN 300 FEET OF THE ANTENNA OR AN EXPLOSION MAY OCCUR.
PERSONNEL MUST NOT ENTER AN AREA CLOSER THAN 50 FEET IN FRONT OF A RADIATING ANTENNA OR INJURY TO PERSONNEL MAY OCCUR.
CAUTION: WHEN WEATHER RADAR IS OPERATED IN ANY MODE OTHER THAN STANDBY OR TEST, DIRECT NOSE OF THE AIRPLANE SO FORWARD 180-DEGREE SECTOR IS FREE OF LARGE METALLIC OBJECTS (HANGARS, TRUCKS, OTHER AIRPLANES, ETC.) FOR A DISTANCE OF 300 FEET AND TILT ANTENNA UPWARD 15 DEGREES OR DAMAGE TO RECEIVER MAY OCCUR.
2. Remove Indicator - Sperry Primus 90
A. Open WEATHER RADAR AC and DC circuit breakers on P18-1 circuit breaker panel, and tag with DO-NOT-OPERATE identifiers.
B. Pull handle forward from bottom of indicator.
C. Disengage indicator from mounting tray by rotating mounting tray locking lever to right.
D. Pull indicator forward for sufficient access to mating connector.
E. Disconnect electrical mating connector and remove indicator from mounting tray.
F. Remove indicator from mounting tray.
3. Remove Indicator - Collins WXR-700X
A. Open WEATHER RADAR AC circuit breakers on P18-1 circuit breaker panel, and tag with DO-NOT-OPERATE identifiers.
B. Pull handle forward from bottom of indicator.
C. Disengage indicator from mounting tray by rotating mounting tray locking lever to right.
D. Remove indicator from mounting tray.
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Feb 20/89 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 34-41-51 Page 401
4. Install Indicator - Sperry Primus 90
A. Rotate mounting tray locking lever to right.
B. Pull indicator handle forward and slide indicator into mounting tray sufficiently so electrical mating connector can be connected.
C. Slide indicator into mounting tray, engaging guide pin on mounting tray.
D. Lock indicator in place by rotating mounting tray locking lever to left and push handle in under indicator.
E. Remove DO-NOT-OPERATE tags and close WEATHER RADAR AC and DC circuit breakers.
F. Perform operational test in Weather Radar System A/T (Ref 34-41-0).
G. Remove external electrical power if no longer required.
5. Install Indicator - Collins WXR-700X
A. Rotate mounting tray locking lever to right.
B. Pull indicator handle forward.
C. Slide indicator into mounting tray so that rack type electrical connectors are engaged at rear of indicator and guide pins are engaged on mounting tray.
D. Lock indicator in place by rotating mounting tray locking lever to left and push handle under indicator.
E. Remove DO-NOT-OPERATE tags and close WEATHER RADAR AC circuit breakers.
F. Perform operational test in Weather Radar System A/T (Ref 34-41-02).
G. Remove external electrical power if no longer required.
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34-41-51 Page 402 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Feb 20/89
WEATHER RADAR CONTROL PANEL - REMOVAL/INSTALLATION
1. General
A. The weather radar control panel is installed in the forward electronic panel (P8). The electrical connector is accessible on the rear of the unit when removed from panel P8.
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