(b)
Write a replacement date on the date label.
NOTE: The date label is blank so you can write in a
____ replacement date based on your maintenance schedule.
(c)
Make sure that the shock cushion is in the ULB body.
CAUTION:_______INSTALL THE ULB BATTERY CORRECTLY. INCORRECT POLARITY WILL CAUSE PERMANENT DAMAGE TO THE ULB.
(d)
Put the new battery in the ULB with the end identified INSERT THIS END in first.
(e)
Remove and discard the used o-ring from the end cap.
CAUTION: DIRT OR OTHER UNWANTED MATERIALS CAN CAUSE DAMAGE TO THE
_______ THREADS AND THE O-RING SEAL. THIS CAN PERMIT WATER LEAKAGE.
(f)
Clean the threads and the O-ring groove in the ULB body.
(g)
Apply a thin layer of lubricant to the O-ring, O-ring groove, and threads.
(h)
Install a new O-ring on the end cap.
(i)
Put the rubber shock cushion smoothly on the end cap.
(j)
Put the end cap into the body.
(k)
Tighten the end cap until the cap flange touches the ULB body.
NOTE: Only use hand force on the spanner wrench.
____
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A
737-300/400/500MAINTENANCE MANUAL
S 702-099
(2) Do this task: Underwater Locator Beacon - Test.
TASK 23-71-21-022-020
4. VOICE RECORDERS WITH DATASONICS ULBs; Underwater Locator Beacon Battery Replacement (Fig. 202)
_____________________________________________
A. General
(1) Do not replace the battery in a series S underwater locator beacon (ULB). If the serial number on the ULB starts with an S, on or before the expired date, send the ULB to the manufacturer for servicing.
B. Equipment
(1)
Spanner Wrench
(2)
Split Radiator Hose
1-1/4-inch diameter, 5 inches in length
C. Consumable Materials
(1)
G01522 Battery, Datasonics B362-04016A
(2)
G01524 Battery, Datasonics B362-04270
(3)
G01523 Lubricated O-ring, Datasonics 2-022
D. Removal Procedure
S 512-004
WARNING:_______DO NOT REMOVE THE BATTERY FROM A SERIES S ULB. DO NOT DISCARD THE ULB. THE MANUFACTURER HAS A REPLACEMENT PROGRAM FOR EXPIRED ULBs. ON OR BEFORE THE EXPIRED DATE, SEND THE ULB TO THE MANUFACTURER FOR SERVICING. THE BATTERY CONTAINS DANGEROUS CHEMICAL MATERIALS WHICH CAN CAUSE INJURY TO PERSONNEL.
(1)
If you have a series S ULB, send the ULB to the manufacturer for servicing.
S 022-002
(2)
If you don't have a series S ULB, remove the ULB battery:
CAUTION: DO NOT HOLD THE UNDERWATER LOCATOR BEACON WITH A VISE.
_______ THIS CAN CAUSE DAMAGE TO THE UNDERWATER LOCATOR BEACON.
(a)
Hold the ULB body with a split radiator hose.
(b)
Use a spanner wrench to remove the end cap that is identified BATTERY ACCESS.
(c)
Remove the rubber shock cushion from the battery end if it is not removed with the end cap.
(d)
Hit the ULB body lightly to remove the battery.
(e)
Discard the battery.
NOTE: Refer to local instructions when you discard the
____
battery.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
E. Installation Procedure S 422-021
(1) Install the ULB battery: NOTE: The Datasonics B362-04016A battery is a two year battery.
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