ALTIMETER - METRIC (15FN) - REMOVAL/INSTALLATION
________________________________________________ TASK 34-21-25-000-001 Removal of the Metric Altimeter (15FN)
 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 blanking plugs No specific circuit breaker(s) safety clip(s)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
34-21-25-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 34-21-25-865-050
 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU LIGHTING/INSTL LT/MAIN INST/PNL AND/PED 4LF Y04
 Subtask 34-21-25-010-050
 B. Remove the thermoformed cover from the center instrument panel.
R 1EFF : 001-049, 051-099, 101-105, 1 34-21-25Page 401 1 1 May 01/05 1 1 1CES 1

 4. Procedure
_________
 (Ref. Fig. 401/TASK 34-21-25-991-001) Subtask 34-21-25-020-050
 A. Removal of the Metric Altimeter (15FN)
 (1)
 Loosen the screws (1), do not remove them .

 (2)
 Remove the metric altimeter (2) from its housing.

 (3)
 Disconnect the electrical connector (5).

 (4)
 Disconnect the quick-disconnect coupling (6).

 (5)
 Remove the metric altimeter (2).

 (6)
 Put blanking caps on the disconnected electrical connectors (3) and (5).

 (7)
 Put blanking plugs on the disconnected pneumatic connectors (4) and (6).

R 1EFF : 001-049, 051-099, 101-105, 1 34-21-25Page 402 1 1 May 01/05 1 1 1CES 1

 Metric Altimeter
 Figure 401/TASK 34-21-25-991-001

R 1EFF : 001-049, 051-099, 101-105, 1 34-21-25Page 403 1 1 May 01/05 1 1 1CES 1

 TASK 34-21-25-400-001
 Installation of the Metric Altimeter (15FN)

 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 34-21-25-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 34-21-25-865-051
 A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU LIGHTING/INSTL LT/MAIN INST/PNL AND/PED  4LF Y04
 4. Procedure
_________ (Ref. Fig. 401/TASK 34-21-25-991-001) Subtask 34-21-25-420-050
 A. Installation of the Metric Altimeter (15FN)
 (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 disconnected electrical connectors

 (3) and (5).
R 1EFF : 001-049, 051-099, 101-105, 1 34-21-25Page 404 1 1 May 01/05 1 1 1CES 1

 (4)
 Remove the blanking plugs from the disconnected quick-disconnect couplings (4) and (6).

 (5)
 Connect the quick-disconnect coupling (6) to the receptacle (4) of the metric altimeter (2).

 NOTE : After the connection:
____
 -make sure that a colored ring is shown on the quick-disconnect coupling
 -pull the connectors to be sure that they are correctly attached.
 (6)
 Connect the electrical connector (5) to the receptacle (3) of the metric altimeter (2).

 (7)
 Install the metric altimeter (2) in its housing.