(5)
 Remove the screws (10) and the washers (11).

 (6)
 Remove the CVR microphone amplifier (12) from the support (8).

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 CVR Microphone Amplifier
 Figure 401/TASK 23-71-14-991-001
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1  1  Feb 01/98
 1  1
 1CES  1

 TASK 23-71-14-400-001
 Installation of the CVR Microphone Amplifier (18RK)

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-71-00-710-001  Operational Test of the CVR and the CVR Channel Recording 23-71-14-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 23-71-14-865-051
 A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/CVR/SPLY 2RK E14 49VU COM/CVR/CTL 4RK E13
 4. Procedure
_________ (Ref. Fig. 401/TASK 23-71-14-991-001) Subtask 23-71-14-420-050
 A. Installation of the CVR Microphone Amplifier
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Do an inspection of the component interface and/or the adjacent area.

 (3)
 Put the CVR microphone amplifier (12) in position on its support (8).

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 (4)
 Install the washers (11) and the screws (10). Tighten the screws.

 (5)
 Remove the blanking caps from the connectors (7) and the receptacles (9).

 (6)
 Make sure that the connectors (7) and the receptacles (9) are in the correct condition.

 (7)
 Connect the connectors (7) to the receptacles (9).

 (8)
 Put the dome light cover (2) in position. Install the screws (1) and tighten the screws (1) and the fasteners (3).

 (9)
 Put the lining panel (5) in position. Install the screws (4) and tighten the screws (4) and the fasteners (6).

 Subtask 23-71-14-865-052
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2RK, 4RK
 Subtask 23-71-14-710-051
 C. Do the operational test of the cockpit voice recorder system (Ref. TASK 23-71-00-710-001).
 5. Close-up
________ Subtask 23-71-14-860-050
 A. Make sure that the work area is clean and clear of tool(s) and other items.
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___________________________________________________________
 TASK 23-71-35-000-001
 Removal of the Cockpit Voice Recorder (CVR) 1RK
 WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______
 YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

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

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-213,
 23-71-35-991-001 Fig. 401 R **ON A/C 106-149, 214-299, 301-399, 401-499,
 23-71-35-991-001-A Fig. 401A
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 3. Job Set-up
__________
 NOTE : The procedure is valid for the Cockpit Voice Recorder (CVR) and Solid

____
 State Cockpit Voice Recorder (SSCVR).

 Subtask 23-71-35-865-050
　
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