-set the ANN LT switch to BRT. - the time comes into view.
 3. On the clock:
 1EFF : ALL 1 31-21-00Page 510 1 1 Aug 01/05 1 1 1CES 1

 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-push the CHR pushbutton switch.
-after not many seconds, push the CHR pushbutton switch for a second time.
 -push the CHR pushbutton switch for a third time.
4.
 On the overhead circuit breaker panel 49VU:

 - open the circuit breaker 6FS.

5.
 Close the circuit breaker 6FS.

-
the sweep hand starts.

 -
the numbers of the minutes come into view in the ET/CHR window.

-
the sweep hand stops and the ET/CHRdisplay is frozen.

-
the sweep hand goes back to the 60position and the ET/CHR display is off.

-
the digital displays go off.

-
the time comes into view.

 -if the time shown is not correct, set the clock (Ref. TASK 31-21-00-750-002).
R  **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499, Post SB 31-1133 For A/C 201-203, Subtask 31-21-00-710-050-A
 A. Test
 NOTE : Make sure that the time shown on the clock is correct.

____
 NOTE : Make sure that the A/C batteries are not removed.

____

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the overhead panel, on the  On the R center instrument panel 400VU, panel 25VU: on the clock:
 -set the ANN LT switch to TEST. - the digital displays show 8s.
 2. On the clock:
 1EFF : ALL 1 31-21-00Page 511 1 1 Aug 01/05 1 1 1CES 1 1EFF : ALL 1 31-21-00Page 512 1 1 Feb 01/00 1 1 1CES 1 CLOCK (2FS) - REMOVAL/INSTALLATION

R R  -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------- push the DATE pushbutton - the numbers in the digital displays switch. go from 0 to 9. 
R R  3. On the overhead panel, on the panel 25VU: 
R R R  - release the ANN LT switch from the TEST position, and release the DATE pushbutton switch.  - the time comes into view. 
R  **ON A/C ALL
 5. Close-up________
 Subtask 31-21-00-860-050
 A. Put the aircraft back to its initial configuration.
 (1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
 (2) Make sure that the work area is clean and clear of tool(s) and other items.

__________________________________
 TASK 31-21-21-000-001
 Removal of the Clock (2FS)
 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)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 001-049, 051-061, 101-105,
 31-21-21-991-001 Fig. 401 R **ON A/C 062-099, 106-149, 151-199, 201-299, 301-399, 401-499,
 31-21-21-991-001-A Fig. 401A
 1EFF : ALL 1 31-21-21Page 401 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 31-21-21-865-050

 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU CLOCK/NORM/SPLY 6FS F11
 **ON A/C 001-049, 051-061, 101-105, 201-203,
 121VU CLOCK/STBY/SPLY 4FS N03 R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
 121VU CLOCK/STBY/SPLY 4FS N02 **ON A/C ALL
 4. Procedure
_________
 **ON A/C 001-049, 051-061, 101-105,

 (Ref. Fig. 401/TASK 31-21-21-991-001) R **ON A/C 062-099, 106-149, 151-199, 201-299, 301-399, 401-499,
　
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