S 865-602

 (3)  
Make sure that these P11 panel circuit breakers are closed:

 (a)  
11B16, AURAL WARN SPKR L

 (b)  
GUN 001-010, 051 POST-SB 78-32 OR SB 78-35;
 GUN 101-104 POST-SB 78-32;
 GUN 011-050, 052-100, 105-999;
 11C19, LDG GEAR POS SYS 2 ALTN

 (c)  
11S15, LANDING GEAR AIR/GND SYS 1

 (d)  
11S23, LANDING GEAR POS SYS 2

 S 865-603
 (4)  Open this P11 panel circuit breaker:
 (a)  11H35, AURAL WARN SPKR R
 S 865-604
 (5)  
Set the parking brake to the ON position.

 S 865-126

 (6)  
Make sure that the GND PROX/CONFIG GEAR OVRD switch on the instrument panel is not set.

 S 745-127

 (7)  
Push and hold the CONFIG switch on the TEST panel in the T/O position.

 (a)  Make sure that the siren comes on.
 S 755-128
 (8)  
Hold the sound level meter 24 (|1/2) inches perpendicular from the center of the captain's aural warning speaker.

 (a)  Make sure that the output is 91 (|5) dba.

 (9)  
Release the CONFIG switch.

 S 865-450

 (10)
 Close the P11 panel circuit breaker:

 S 745-129
 (a)  11H35, AURAL WARN SPKR R
 S 865-451
 (11) Open this P11 panel circuit breaker:
 (a)  11B16, AURAL WARN SPKR L
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 ALL  ú ú 13 Page 512 ú Jan 20/99

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757
MAINTENANCE MANUAL

 S 865-452
 (12) Push and hold the CONFIG switch on the TEST panel in the T/O position.
 (a) Make sure that the siren comes on.
 S 865-453
 (13) Hold the sound level meter 24 (|1/2) inches perpendicular from the center of the first officer's aural warning speaker.
 (a) Make sure that the output is 91 (|5) dba.
 S 865-454
 (14)
 Release the CONFIG switch.

 S 865-455

 (15)
 Deactivate one of the SYSTEM 1 and one of the SYSTEM 2 switches that follow:

 NOTE: When the switches are deactivated, the switches will be in a
____ target far condition.
 ~................................................................. | SYSTEM 1 | SYSTEM 2 | NOTE | ................................................................... | S10057 | S10070 | Right gear down and locked | ................................................................... | S10061 | S10074 | Left gear down and locked | ................................................................... | S10065 | S10078 | Nose gear locked | ................................................................... | S10066 | S10079 | Nose gear down | 2...............….................…...............................1
　
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本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 儀表 CHAPTER 31 - INSTRUMENTS 2(108)