737-300 400 500 AMM 飞机维护手册 导航 NAVIGATION 1(50)

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 S 085-367
 CAUTION: DO NOT DISCONNECT THE PNEUMATIC TEST SET WHEN THE PITOT-STATIC
_______ SYSTEM IS NOT AT AMBIENT PRESSURE. YOU CAN CAUSE DAMAGE TO THE EQUIPMENT.
 (1)  Disconnect the pneumatic test set from the drain fitting.
 S 095-404
 WARNING: WHEN THE STATIC PORTS ARE COVERED, MAKE SURE THAT CONDITION IS
_______ VISIBLE FROM THE GROUND. FAILURE TO OBSERVE AND REMOVE COVERINGS FROM THE STATICPORTS BEFORE FLIGHT MAY CAUSE LARGE ERRORS IN AIRSPEED SENSING AND ALTITUDE SENSING SIGNALS, WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.
 CAUTION: MAKE SURE THAT YOU REMOVE ALL OF THE PIECES OF TAPE FROM EACH
_______ PITOT-STATIC PROBE. THE SYSTEM WILL NOT OPERATE CORRECTLY WHEN THE TAPE IS IN ITS POSITION.
 (2)  
Remove the vinyl adhesive tape from the forward static ports (S1) on the upper left pitot-static probe.

 S 845-201

 (3)  
Remove the vinyl adhesive tape from the forward static ports (S1) on the lower right pitot-static probe.

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 34-11-01
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 S 845-202
 (4)  
Examine the static ports for unwanted materials and rough locations on the inner and outer surfaces (Ref 34-11-11/601).

 S 845-203

 (5)  
Close the STALL WARNING NO. 1 and NO. 2 circuit breakers on load control panels P6 and P18.

 S 845-204

 (6)  
Close the FLAP LOAD RELIEF circuit breaker on the load control panel P6.

 S 865-369

 (7)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 TASK 34-11-01-795-206
 8.  The First Officer's Static System Low-Range Leak Test_____________________________________________________
 A. Standard Tools and Equipment
 (1)  
Air data test set, Castleberry AT700-2, Castleberry Instr & Avionics, Austin, TX; or equivalent

 (2)  
Flow restrictors, control valves, cutoff valves, and vinyl adhesive tape as required

 B. References
 (1)  
24-22-00/201, Manual Control

 (2)  
34-11-11/601, Pitot-Static Probe

 C. Prepare for the Test
 S 865-370
 (1)  Supply electrical power (AMM 24-22-00/201).
 S 865-371
 WARNING:_______YOU MUST OPEN THE FLAP LOAD RELIEF CIRCUIT BREAKER. YOU CAN CAUSE INJURY TO PERSONS.
 (2)  Open the FLAP LOAD RELIEF circuit breaker on the load control panel P6.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 S 865-372
 CAUTION: YOU MUST OPEN THE DIGITAL STALL WARNING COMPUTER (DSWC) CIRCUIT
_______ BREAKERS. YOU CAN CAUSE THE DSWC TO FAIL THE SELF-TEST UNTIL IT IS SET AGAIN.
 (3)  Open the STALL WARNING NO. 1 and NO. 2 circuit breakers on load control panels P6 and P18.
 S 495-406
 WARNING: FAILURE TO REMOVE VINYL ADHESIVE TAPE FROM STATIC PORTS BEFORE
_______ FLIGHT MAY CAUSE LARGE ERRORS IN AIRSPEED SENSING AND ALTITUDE SENSING SIGNALS, WHICH MAY LEAD TO LOSS OF SAFE FLIGHT.
 WARNING:_______MAKE SURE THAT THE PROBE HEAT IS NOT ON. YOU CAN CAUSE INJURY TO PERSONS.
 CAUTION:_______DO NOT EXTEND THE SEALS INTO THE STATIC PORTS. YOU CAN CAUSE CAMAGE TO THE SURFACE IN THE AREA WHEN YOU REMOVE THE SEALS.
 (4)  
Seal the forward static ports (S1) in the upper right pitot-static probe with vinyl adhesive tape.

 S 495-374

 (5)  
Seal the forward static ports (S1) in the lower left pitot-static probe with vinyl adhesive tape.

 S 485-375

 (6)  
Use these steps to connect the pneumatic test set to the first officer's static system drain fitting:

 (a)  
Connect the static (vacuum) source in the pneumatic test unit through the static control valve to the static cutoff valve.
　
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