(Ref. Fig. 401/TASK 34-22-23-991-001) R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 34-22-23-991-001-A)
 **ON A/C ALL

 Subtask 34-22-23-020-050
 A. Removal of the Standby Compass (2FN)
 (1)
 Pull the support (3) that can be retracted from its housing (2).

 (2)
 Loosen the four screws (6).

 (3)
 Remove the four screws (6).

 (4)
 Disengage the standby compass (5) from its support (3).

 (5)
 Disconnect the electrical connector (1).

 (6)
 Remove the standby compass (5).

 (7)
 Put blanking caps on the disconnected electrical connectors (1) and (4).

 1EFF : ALL 1 34-22-23Page 402 1 1 Aug 01/05 1 1 1CES 1

 Standby Compass
 Figure 401/TASK 34-22-23-991-001

R 1EFF : 001-049, 051-061, 101-105, 201-203, 1 34-22-23Page 403 1 1 May 01/05 1 1 1CES 1

 Standby Compass Figure 401A/TASK 34-22-23-991-001-A
R 1EFF : 062-099, 106-149, 151-199, 204-299, 1 34-22-23Page 404 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1 TASK 34-22-23-400-001

 Installation of the Standby Compass (2FN)
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
33-13-00-710-001 Operational Test of the Instrument and Panel Integral Lighting 34-22-00-730-001 Compensation Adjustment/Test of the Standby Compass
 **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
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 34-22-23-865-054

 A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
49VU LIGHTING/ICE AND STBY/COMP/LIGHT 1LF H04
 1EFF : ALL 1 34-22-23Page 405 1 1 Aug 01/05 1 1 1CES 1

 4. Procedure
_________
 **ON A/C 001-049, 051-061, 101-105, 201-203,

 (Ref. Fig. 401/TASK 34-22-23-991-001) R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 34-22-23-991-001-A)
 **ON A/C ALL

 Subtask 34-22-23-420-050
 A. Installation of the Standby Compass (2FN)
 (1)
 Clean the component interface and/or the adjacent area.

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

 (3)
 Remove the blanking caps from the electrical connectors (1) and (4).

 (4)
 Make sure that the electrical connectors (1) and (4) are clean and in the correct condition.

 (5)
 Connect the electrical connector (1) to the standby compass (5).

 (6)
 Install the Standby Compass (5) in its support (3) that can be retracted.

 (7)
 Attach the standby compass (5) with the four screws (6).

 (8) Tighten the four screws (6).
 Subtask 34-22-23-865-055

 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1LF
 1EFF : ALL 1 34-22-23Page 406 1 1 Aug 01/05 1 1 1CES 1 1EFF : ALL 1 34-22-23Page 407 1 1 May 01/00 1 1 1CES 1

 Subtask 34-22-23-710-050
 C. Test 
R R R (1) Do the compensation adjustment/test of the standby compass (Ref. TASK 34-22-00-730-001) 
(2) Do the operational test of the instrument and panel integral lighting (Ref. TASK 33-13-00-710-001)
 5. Close-up________
 Subtask 34-22-23-860-050
 A. Put the aircraft back to its initial configuration.
 (1) Make sure that the work area is clean and clear of tool(s) and other items.
 (2) Install the support (3) that can be retracted in its housing (2).

 COMPASS - STANDBY (2FN) - INSPECTION/CHECK
__________________________________________
 TASK 34-22-23-200-001
 Detailed Visual Inspection of the Standby Compass Damping Fluid

 1. Reason for the Job
　
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