-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, 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM 指示/记录系统INDICATING/RECORDING SYSTE(84)
