A320飞机维护手册 AMM NAVIGATION 导航2(122)

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 (5) Set the aircraft to West (MHW)
 -calculate and write the magnetic deviation DW between the MHW and the CH DW = MHW - CH
 DW the Adjustment Valve (AV) is equal to --2
 -correct the CH with the AV to get the CCH
 -put the non magnetic Compensation Key into the B hole of the standby compass
 -use the non magnetic Compensation Key to set the standby compass to CCH. (Ref. Para. (4)).
 **ON A/C ALL
 Subtask 34-22-00-730-051
 B. Find the deviation curve
 NOTE : During the adjustment, the standby compass turns 360.. Make sure
____ that the letters and graduations on the compass card are not damaged.
 -set the aircraft to the twelve headings one after the other which are necessary to find the deviation curve: 0., 30., 60., 90., 120., 150., 180., 210., 240., 270., 300., 330.
 -write the values of the standby compass and of the NDs or ADIRS CDU for each aircraft position
 -calculate the remaining deviation values R(.): R(.) = MH - indication of standby compass
 -make sure that:
 *
 the remaining deviation values R(.) are not more than + or -8. for each heading

 *
 the maximum range between the positive and negative deviation values R(.) is not more than 10.

 *
 the difference between each magnetic heading value on the standby compass and the ND is not more than 8.. If the difference is more than 8., adjust the compensation

 1EFF : ALL 1 34-22-00Page 511 1 1 Aug 01/05R 1 1 1CES 1

 -write the actual compass heading  Magnetic Heading (MH) + R(.) (Remaining deviation values). on the two correction cards. Put the cards on each side of the support of the standby compass.
 5. Close-up
________
 **ON A/C 001-049, 051-061, 101-105, 201-203,
 Subtask 34-22-00-860-053
 A. Put the aircraft back to its initial configuration.
 (1)
 Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).

 (2)
 Do the ADIRS stop procedure (Ref. TASK 34-10-00-860-005).

 (3)
 Install the protection cover on the compensator.

 (4)
 De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 (5)
 Put the aircraft back to the serviceable condition.

 (6)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 

R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
 Subtask 34-22-00-860-053-A
 A. Put the aircraft back to its initial configuration.
 (1)
 Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).

 (2)
 Do the ADIRS stop procedure (Ref. TASK 34-10-00-860-005).

 (3)
 De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 (4)
 Put the aircraft back to the serviceable condition.

 (5)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 1EFF : ALL 1 34-22-00Page 512 1 1 Aug 01/05 1 1 1CES 1 COMPASS - STANDBY (2FN) - REMOVAL/INSTALLATION

______________________________________________
 TASK 34-22-23-000-001
 Removal of the Standby Compass (2FN)
 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, 201-203,
 34-22-23-991-001 Fig. 401 R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
 34-22-23-991-001-A Fig. 401A
 1EFF : ALL 1 34-22-23Page 401 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 34-22-23-865-053

 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU LIGHTING/ICE AND STBY/COMP/LIGHT 1LF H04
　
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