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 (d)  Keep the coverplate and screws.
 TASK 23-71-03-962-003
 3.  VOICE RECORDERS WITH DUKANE ULBs; Underwater Locator Beacon Battery Replacement (Fig. 202)_____________________________________________
 A.  General
 (1)  Do not replace the battery in the DK100 underwater locator beacon (ULB). On or before the expired date, send the DK100 to the manufacturer for servicing.
 B.  Equipment
 (1)  
810-325 Spanner Wrench
 Dukane Corporation
 2900 Dukane Drive
 St. Charles, IL 60174

 (2)  
Split Radiator Hose
 1-1/4-inch diameter, 5 inches in length

 C.  Consumable Materials
 (1)  
D00318 Lubricant, Dukane 810-346

 (2)  
G02440 Battery, Dukane 810-2007K

 (3)  
G00751 O-ring, Dukane 810-342

 (4)  
G01523 Lubricated O-ring, Datasonics 2-022

 D.  Removal Procedure
 S 512-053
 WARNING:_______DO NOT REMOVE THE BATTERY FROM THE DK100 ULB. DO NOT CAUSE DAMAGE TO THE DK100 ULB. DO NOT DISCARD THE DK100 ULB. THE MANUFACTURER HAS A REPLACEMENT PROGRAM FOR EXPIRED ULBs. ON OR BEFORE THE EXPIRED DATE, SEND THE DK100 ULB TO THE MANUFACTURER FOR SERVICING. THE BATTERY CONTAINS DANGEROUS CHEMICAL MATERIALS WHICH CAN CAUSE INJURIES TO PERSONNEL.
 (1)  
If you have a DK100 ULB, send the ULB to the manufacturer for servicing.

 (2)  
If you do not have a DK100 ULB, remove the ULB battery:

 S 022-019
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ULB DISASSEMBLY (BATTERY ACCESS)

SHOCK CUSHION

BATTERY
BATTERY INSTALLATION
Underwater Locator Beacon Battery Replacement
Figure 202

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 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 cap.

 (d)  
Hit the ULB body lightly to remove the battery.

 E. Installation Procedure
 S 422-005
 (1)  Install the ULB battery.
 NOTE: The Dukane 810-2007K battery is a 6 year lithium battery used
____
 in the Dukane model DK120 ULB.

 (a)  
Put a new battery replacement date label on the ULB body.

 (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 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.
　
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