-
in the cockpit on the AIR COND Overhead Control Panel 30VU to tell persons not to push in the APU BLEED pushbutton switch,
- on the HP ground connector to tell persons not to pressurize the pneumatic system.
(2) Make sure that the access platform is in position below the access panel 192FB.
(3) Make sure that the access panel 192FB is open.
Subtask 36-12-52-865-056
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11
122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22 R 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
4. Procedure
_________
(Ref. Fig. 402/TASK 36-12-52-991-003)
Subtask 36-12-52-420-051
A. Installation of the Crossbleed Valve Actuator
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Check the adapter (10) and the spring pin (9) for correct condition.
(4)
Install the crossbleed valve actuator (13) to the adapter (10).
(5)
Make sure that the spring pin (9) correctly engages the hole in the adapter.
(6)
Install the half clamps (11),(15) with the screws (14) to the adapter
(10) and the actuator (13).
(7)
Tighten the screws (14).
(8)
Remove the blanking cap from the electrical connector (12) and from the receptacle.
(9)
Connect the electrical connector (12) to the crossbleed valve actuator (13).
Subtask 36-12-52-865-057
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HV, 2HV, 2HA1, 2HA2, 3HA1, 3HA2
Subtask 36-12-52-710-051
C. Do the operational test of the APU Bleed Air-Supply and Crossbleed System (Ref. TASK 36-12-00-710-001).
5. Close-up
________ Subtask 36-12-52-410-052
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Install the access panel 192FB. Subtask 36-12-52-942-056
B. Put the aircraft back to its initial configuration.
(1)
Remove the access platform(s).
(2)
Remove the warning notice(s).
VALVE - CROSSBLEED (6HV) - INSPECTION/CHECK
___________________________________________ TASK 36-12-52-200-001 Inspection of the Crossbleed Valve (6HV) WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platform(s) 2.3 m (7 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-12-52-991-002 Fig. 601
3. Job Set-up
__________
Subtask 36-12-52-865-053
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 36-12-52-860-054
B. Aircraft Maintenance Configuration
(1) Put the warning notices in position:
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