(2)
Install the access panel (Ref. TASK 25-54-12-400-001), 131PW.
(3)
Remove the access platform(s).
(4)
Close the FWD cargo compartment door 825 (Ref. TASK 52-30-00-860-002).
Subtask 21-63-19-862-050
C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
CONTROLLER - ZONE (8HK) - REMOVAL/INSTALLATION
______________________________________________ TASK 21-63-34-000-001 Removal of the Zone Controller (8HK)
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 access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 21-63-34-991-001 Fig. 401
3. Job Set-up
__________ Subtask 21-63-34-861-050
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
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B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU AIR COND/ZONE TEMP CTL/28VDC/SYS2 4HK V20 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS1 3HK V19 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS2 2HK V18 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS1 1HK V17
Subtask 21-63-34-010-050
C. Get Access
(1)
Put the access platform in position at the access door 811.
(2)
Open the access door 811.
4. Procedure
_________ (Ref. Fig. 401/TASK 21-63-34-991-001) Subtask 21-63-34-020-050
A. Removal of the Zone Controller
(1)
Loosen the nuts (4).
(2)
Lower the nuts (4).
(3)
Pull the zone controller (1) on its rack (3) to disconnect the electrical connectors (2).
(4)
Remove the zone controller (1) from its rack (3).
(5)
Put blanking caps on the disconnected electrical connectors.
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Zone Controller
Figure 401/TASK 21-63-34-991-001
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TASK 21-63-34-400-001
Installation of the Zone Controller (8HK)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-63-00-710-004 Operational Test of the Cockpit and Cabin Temperature Control with CFDS/MCDU 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 21-63-34-991-001 Fig. 401
3. Job Set-up
__________ Subtask 21-63-34-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
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