(2)
 Close the access door 312AR.

 (3)
 Remove the access platform(s).

 1EFF : ALL 1 23-71-35Page 408 1 1 Aug 01/04R 1 1 1CES 1

 TASK 23-71-35-920-001
 Scheduled Replacement of the Underwater Locating Beacon (ULB) and Battery

 1.
 Reason for the Job

__________________
 Refer to the MPD TASK: 237135-01

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific access platform 3.4 m (11 ft. 2 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-71-00-720-001 Operational Test of the Underwater Locating Beacon
 (ULB)
 CMM 23-70-04
 CMM 23-70-44

 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-213,
 23-71-35-991-005 Fig. 402 R **ON A/C 106-149, 214-299, 301-399, 401-499,
 23-71-35-991-005-A Fig. 402A
 1EFF : ALL 1 23-71-35Page 409 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 3. Job Set-up
__________
 NOTE : Make sure that a new ULB is available for ULB replacement.

____
 Subtask 23-71-35-010-051

 A. Get Access
 (1) Put the access platform in position at zone 312.
 (2) Open the access door 312AR.
 Subtask 23-71-35-865-052

 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/CVR/SPLY 2RK E14 49VU COM/CVR/CTL 4RK E13
 4. Procedure
_________
 Subtask 23-71-35-020-051

 A. Removal of the ULB from the CVR
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-213,

 (Ref. Fig. 402/TASK 23-71-35-991-005) R **ON A/C 106-149, 214-299, 301-399, 401-499,
 (Ref. Fig. 402A/TASK 23-71-35-991-005-A)
 **ON A/C ALL

 (1) Remove the screws (1) from the clamps (2).
 1EFF : ALL 1 23-71-35Page 410 1 1 Aug 01/05 1 1 1CES 1

 Underwater Locator Beacon (ULB)
 Figure 402/TASK 23-71-35-991-005

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-71-35Page 411 1201-213, 1May 01/05 1 1 1CES 1

 Underwater Locator Beacon (ULB) Figure 402A/TASK 23-71-35-991-005-A
R 1EFF : 106-149, 214-299, 301-399, 401-499, 1 23-71-35Page 412 1 1 Aug 01/05 1 1 1CES 1

 (2) Remove the ULB (3) from the mounting cradle (4). NOTE : If the ULB Type DK 100 is installed, send the ULB to the
____
 related vendor to replace the battery.
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-213,

 Subtask 23-71-35-960-050
 B. In the Workshop
 (1) Discard and replace the ULB Battery (Ref. CMM 23-70-44). R **ON A/C 106-149, 214-299, 301-399, 401-499,
 Subtask 23-71-35-960-050-A
 B. In the Workshop
 (1) Discard and replace the ULB Battery (Ref. CMM 23-70-04).
 **ON A/C ALL

 Subtask 23-71-35-420-051
 C. Installation of the ULB on the CVR
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-213,

 (Ref. Fig. 402/TASK 23-71-35-991-005) R **ON A/C 106-149, 214-299, 301-399, 401-499,
 (Ref. Fig. 402A/TASK 23-71-35-991-005-A)
 **ON A/C ALL

 (1) Install the ULB (3) to the clamps (2).
 1EFF : ALL 1 23-71-35Page 413 1 1 Aug 01/05 1 1 1CES 1

 (2) Install the screws (1) to the mounting cradle (4). NOTE : Install the ULB with the water-sensitive switch outboard and
____
 make sure that the switch is clean.

 NOTE : Rotate the ULB until the battery replacement date is readable.
____
 Subtask 23-71-35-720-050

 D. Do the operational test of the Underwater Locator Beacon (ULB) (Ref. TASK 23-71-00-720-001).
R NOTE : This operational test is not necessary, if you have done a test of
____ R the ULB in the workshop immediately before installation. The test R in the workshop must obey the vendor instructions.
 Subtask 23-71-35-865-053
 E. Remove the safety clip(s) and the tag(s) and close this (these) circuit breaker(s): 2RK, 4RK
 5. Close-up
________
 Subtask 23-71-35-410-052
　
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