31-24-09
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (b)  
Push and hold the PUSH TO TEST button.

 (c)  
Put the test set probe on the ULB water switch. 1) Make sure a green LED shows. 2) Make sure you can hear sounds from the test set. 3) Make sure the amber LED flashes.

 (d)  
Release the PUSH TO TEST button.

 (e)  
Remove the test set.

 S 862-226
 (5)
Make sure the water switch on the ULB has no grease or dirt.

 S 862-227

 (6)  
If necessary, do the steps that follows:

 (a)  
Clean the water switch with water and detergent.

 (b)  
Dry the switch with a clean cloth.

 TASK 31-24-09-402-040
 6.  Underwater Locator Beacon Installation (Fig. 201)______________________________________
 A. Consumable Materials
 (1)  B00541 Detergent, General Purpose
 B. References
 (1)  AMM 25-21-71/401, Lowered Ceiling Panels
 C. Access
 (1)  Location Zone
 108 Aft Half of Cabin

 D. Installation Procedure
 S 422-071
 (1)  Do these steps to install the underwater locator beacon (ULB) to the AlliedSignal flight data recorder:
 (a)  
Make sure the water switch end of the ULB has no grease or dirt. 1) Clean the water switch on the ULB with a weak detergent.

 (b)  
Put the ULB into its bracket.

 (c)  
Install the clamp on the end of the ULB with the two screws.

 (d)  
Make sure you can read the replacement date on the ULB.

 (e)  
Tighten the four screws.

 S 412-080
 (2)  Close the ceiling panel (AMM 25-21-71/401) in the aft passenger ceiling.
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 31-24-09
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 FLIGHT DATA RECORDER - REMOVAL/INSTALLATION
___________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the flight data recorder.
 B.  The flight data recorder is above the aft lowered ceiling panel No. 2 in the passenger compartment.
 TASK 31-24-11-004-001
 2.  Flight Data Recorder Removal____________________________
 A.  References
 (1)  
AMM 20-10-07/201, Electrical/Electronic Black Box

 (2)  
AMM 25-21-71/401, Lowered Ceiling Panels

 (3)  
AMM 31-24-09/201, Underwater Locator Beacon

 B.  Access
 (1)  Location Zone
 108 Aft Half of Cabin

 C.  Procedure
 S 864-002
 (1)  
Open these circuit breakers:

 (a)  P18-2 Panel
 1) FLIGHT RECORDER AC
 2) FLIGHT RECORDER DC

 (2)
Open the aft lowered ceiling panel No. 2 (AMM 25-21-71/401).

 (3)  
Remove the flight data recorder (AMM 20-10-07/201).

 S 014-003
 S 024-004
 TASK 31-24-11-404-006
 3.  Flight Data Recorder Installation (Fig. 401)_________________________________
 A.  References
 (1)  AMM 20-10-07/201, Electrical/Electronic Black Box
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 31-24-11
 ALL  ú ú 01 Page 401 ú Mar 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

FLIGHT RECORDER
A Flight Recorder Installation Figure 401 (Sheet 1)
E86692
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