______________________
Not Applicable
3.
Job Set-up
__________
Subtask 34-22-23-860-051
A. Aircraft Maintenance Configuration
(1)
On the windshield center post, pull the standby compass support that you can retract from its housing.
(2)
On the INT LT section of the overhead panel 25VU:
-set the STBY COMPASS switch 2LF to STBY COMPASS. Make sure that the lighting of the standby compass is on.
4. Procedure
_________
Subtask 34-22-23-210-050
A. Visual Inspection of the Standby Compass
(1)
Make sure that:
-
the support is in good condition
-
the standby compass is correctly attached to the support
-there are no leaks.
(2)
In the compass bowl, make sure that the liquid:
-is clear
-does not contain bubbles or sediment.
(3)
Make sure that the two correction cards of the compass are on each side of the support.
1EFF : ALL 1 34-22-23Page 601 1 1 May 01/05 1 1 1CES 1
5. Close-up
________ Subtask 34-22-23-860-052
A. Put the aircraft back to its initial configuration.
(1)
On the INT LT section of the overhead panel 25VU:
-set the STBY COMPASS switch 2LF to OFF.
(2)
On the windshield center post, push the standby compass support into its housing.
(3)
Put the aircraft back to the serviceable condition.
1EFF : ALL 1 34-22-23Page 602 1 1 Feb 01/98 1 1 1CES 1 INDICATOR - STANDBY HORIZON (7FN) - REMOVAL/INSTALLATION
________________________________________________________
TASK 34-22-24-000-001
Removal of the Standby Horizon Indicator (7FN)
CAUTION : DO NOT REMOVE THE INDICATOR IMMEDIATELY AFTER DE-ENERGIZATION OF THE
_______ INDICATOR. THERE MUST BE 10 MINUTES OR MORE BETWEEN ITS DE-ENERGIZATION AND THE START OF THE REMOVAL PROCEDURE. BE CAREFUL WITH INDICATOR DURING THE REMOVAL/INSTALLATION PROCEDURES, THE STANDBY HORIZON INDICATOR IS A FRAGILE INSTRUMENT.
NOTE : After long low-rate turns (less than 10 degree bank) the standby horizon
____ indicator does not give accurate bank indications immediately. The specification of the standby horizon indicator accepts this type of operation. Thus, it is not necessary to replace the indicator.
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 locking wedge.
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220,
R Post SB 34-1280 For A/C 213-213, 34-22-24-991-001 Fig. 401
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 34-22-24Page 401 1201-220, 1May 01/05 1 1 1CES 1
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220,
R R 3. Job Set-up__________ **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, Post SB 34-1280 For A/C 213-213, Subtask 34-22-24-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-212, 214-220,
R 49VU STBY/HORIZON 5FN F12
R **ON A/C 213-213,
R R 49VU STBY/INST **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, 5FN F12
R R R 122VU LIGHTING/INSTL LT/MAIN INST/PNL AND/PED **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220, Post SB 34-1280 For A/C 213-213, Subtask 34-22-24-010-050 4LF Y04
B. Remove the thermoformed cover from the center instrument panel.
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 34-22-24Page 402 1201-220, 1May 01/05 1 1 1CES 1 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 NAVIGATION 导航2(124)
