D. Procedure
S 865-298
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-299
(2)
Make sure these circuit breakers are closed:
(a)
On the load control center - right panel, P6: 1) LND GR AIR/GND RELAY & LTS 2) ANTI-SKID FAIL WARN & PARK BK 3) AURAL WARN 4) MACH WARN SYS - 2 5) MASTER WARN & CONT 6) FIRE PROTECTION DETECTION - ENG NO. 1 7) FIRE PROTECTION DETECTION - ENG NO. 2
(b)
P18 Load Control Center - Left
1) MACH & WARN SYS
2) PASS & CREW CALL/LAV SMK DET
S 745-300
(3) Do the channel-A BITE test as follows:
(a)
Turn and hold the ROTATE TO TEST switch on top of the aural warning module to the A position. 1) Make sure you hear the intermittent horn.
(b)
Release the ROTATE TO TEST switch. 1) Make sure you hear the clacker for about 5 seconds.
S 745-301
(4) Do the channel-B BITE test as follows:
(a)
Turn and hold the ROTATE TO TEST switch on top of the aural warning module to the B position. 1) Make sure you hear the intermittent horn.
(b)
Release the ROTATE TO TEST switch. 1) Make sure you hear the clacker for about 5 seconds.
E. Put the Airplane Back to Its Usual Condition
S 865-302
(1) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
31-26-00
ALL ú ú 01 Page 511 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
TASK 31-26-00-715-152
4. Aural Warning Devices Box Test______________________________
A. General
(1)
This test is a check of the devices which make noise, contained in the aural warning devices box.
(2)
To do this test the airplane must not be on jacks.
(3)
The landing gear must be down with ground locks installed.
B. Equipment
(1)
Actuator bars for the proximity sensors:
(a)
Material: 1020 steel per MIL-S-7952, 15-5PH steel, 17-4PH steel per AMS 5643, Permalloy - HYMU (carpenter steel) or Molly Permalloy (Allegheny Ludlum).
(b)
Size: For rectangular sensors - 1.5 x 0.75 x 0.05 inches. For round sensors - 1.0 x 1.0 x 0.05 inches.
(2)
Deactuator bars for the proximity sensors:
(a)
Material: 5052, 6061, 7076, or 2024 aluminum or sheet copper.
(b)
Size: For rectangular sensors - 1.5 x 0.75 x 0.05 inches. For round sensors - 1.0 x 1.0 x 0.05 inches.
C. References
(1)
AMM 23-28-00/501, SELCAL
(2)
AMM 24-22-00/201, Manual Control
D. Access
(1) Location Zone
101/102 Control Cabin
E. Procedure
S 865-001
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-002
(2)
Make sure these circuit breakers are closed:
(a)
On the load control center - right panel, P6: 1) LND GR AIR/GND RELAY & LTS 2) ANTI-SKID FAIL WARN & PARK BK 3) AURAL WARN 4) MACH WARN SYS - 2 5) MASTER WARN & CONT 6) FIRE PROTECTION DETECTION - ENG NO. 1 7) FIRE PROTECTION DETECTION - ENG NO. 2
(b)
On the load control center - left panel, P18: 1) MACH & WARN SYS 2) PASS & CREW CALL/LAV SMK DET
S 715-153
(3) Do the Devices Box Test:
(a) Put the stabilizer position indicator in the green band and the speedbrake in DOWN (stowed) detent.
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31-26-00
ALL ú ú 02 Page 512 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(b) Put the airplane in the simulated air mode by one of these two
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