4. Procedure
_________
**ON A/C 001-049, 051-061, 101-105, 201-203,
(Ref. Fig. 401/TASK 21-31-34-991-001) R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 21-31-34-991-001-A) **ON A/C 001-049, 051-061, 101-105, 201-203,
Subtask 21-31-34-420-050
A. Installation of the Cabin Pressure Controller
(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.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Install the cabin pressure controller (1) on its rack (3).
(6)
Push the cabin pressure controller (1) on its rack (3) to connect the electrical connector (2).
(7)
Engage the nut (4) on the lug (5) and tighten.
(8)
Remove the protective cap (6) from the pressure port of the controller (1).
CAUTION : MAKE SURE THAT THE PROTECTIVE CAP IS REMOVED FROM THE
_______ PRESSURE PORT OF THE CABIN PRESSURE CONTROLLER. IF NOT, THE PROTECTIVE CAP CAN CAUSE INCORRECT OPERATION OF THE CABIN PRESSURE CONTROL SYSTEM.
R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
Subtask 21-31-34-420-050-A
A. Installation of the Cabin Pressure Controller
(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.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5) Install the cabin pressure controller (1) on its rack (3).
(6) Push the cabin pressure controller (1) on its rack (3) to connect the electrical connector (2).
(7) Engage the nut (4) on the lug (5) and tighten.
(8) Remove the protective caps (6) from the pressure ports of the controller (1).
CAUTION : MAKE SURE THAT THE PROTECTIVE CAP IS REMOVED FROM THE_______ PRESSURE PORT OF THE CABIN PRESSURE CONTROLLER. IF NOT, THE PROTECTIVE CAP CAN CAUSE INCORRECT OPERATION OF THE CABIN PRESSURE CONTROL SYSTEM.
**ON A/C ALL
Subtask 21-31-34-865-054
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 11HL 1HL, 3HL FOR 12HL 2HL, 3HL
Subtask 21-31-34-710-050
C. Do an operational test of the pressure control and monitoring (Ref. TASK 21-31-00-710-002).
R R R R NOTE : Do this test for the CPC1 and CPC2. Make sure that the TEST OK____ indication or a fault indication comes into view on the MCDU. If the test is stopped, start the test again until the TEST OK indication or a fault indication comes into view on the MCDU.
5. Close-up________
Subtask 21-31-34-410-050
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the access door 811.
(3) Remove the access platform(s). Subtask 21-31-34-862-050
B. De-energize the ground service network (Ref. TASK 24-42-00-862-001).
1EFF : ALL 1 21-31-34Page 410 1 1 Feb 01/02R 1 1 1CES 1
VALVE - OUTFLOW (10HL) - REMOVAL/INSTALLATION
_____________________________________________
TASK 21-31-51-000-001
Removal of the Outflow Valve 10HL (From Inside)
WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
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No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific 600 ohm boomset
No specific 600 ohm headset
No specific access platform 2 m (6 ft. 7 in.)
No specific access platform 3.4 m (11 ft. 2 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
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