S 865-448

 (14)
 Make sure that the two throttles are in the takeoff position.

 S 865-098

 (15)
 Open these P11 panel circuit breakers:

 (a)  
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

 (b)  
11C30, LANDING GEAR POSITION SYS 1

 (c)  
11S23, LANDING GEAR POSITION SYS 2

 S 865-099
 (16) Push and hold the WHL WELL switch on the FIRE/OVHT TEST panel.
 (a)  
Make sure that the master warning lights come on.

 (b)  
Make sure that the fire bell aural warning comes on.

 S 865-100
 (17)
 Release the WHL WELL test switch.

 S 865-101

 (18)
 Close this P11 panel circuit breaker:

 (a)  11C30, LANDING GEAR POSITION SYS 1
 S 865-102
 (19)
 Push and hold the WHL WELL test switch for a minimum of 20 seconds.

 (a)  Make sure the fire bell does not come on.

 (20)
 Release the WHL WELL test switch.

 (21)
 Deactuate the nose gear not-compressed sensor switch (S10067).

 S 865-103
 S 865-104
  ú

 31-51-00
 ALL  ú ú 13 Page 509 ú Jan 28/02

A
757 MAINTENANCE MANUAL
 S 845-105
 (22) Put the safety-sensitive systems back to their initial conditions (AMM 32-09-02/201).
 NOTE: It is not necessary to do tests on the other fire bell
____ inputs. The other fire bell inputs are examined in these adjustment/tests:
 -Engine Fire Detection (AMM 26-11-00/501)
 -APU Fire Detection (AMM 26-15-00/501)
 -Lower Cargo Compartment Smoke Detection (AMM 26-16-00/501)
 J. Ground Proximity Warning System Aural Signals Test
 S 845-106
 (1)  
Make sure that the Ground Proximity Warning System operates correctly (AMM 34-46-00/501).

 S 865-107

 (2)  
Open these P11 panel circuit breakers:

 (a)  
11B18, WARN ELEX B

 (b)  
11H35, AURAL WARN SPKR R

 S 865-108
 (3)  Set the GND PROX switch on the TEST panel to the test position for approximately three seconds.
 (a)  
Make sure you hear these aural warnings on the captain's aural warning speaker. 1) GLIDESLOPE 2) PULL-UP 3) Siren aural, and

 WINDSHEAR WINDSHEAR WINDSHEAR

 (b)  
Make sure that the master warning lights come on.

 S 865-109
 (4)  Open these P11 panel circuit breakers:
　
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