-
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 zone 190.
Subtask 36-11-56-865-051
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. 401/TASK 36-11-56-991-001)
Subtask 36-11-56-420-050
A. Installation of the Pressure Service Check-Valve
(1) Remove the blanking caps from the union (1) and the connector (4).
R R R R R (2) Make sure that the threads of these parts are clean and in the correct condition: - the union (1) - the pressure service check-valve (2) - the connector (4).
R R R (3) Apply a small quantity of the LUBRICANTS (Material No. 06-008) or the LUBRICANTS (Material No. 06-014) to the threads of the pressure service check-valve (2).
R R (4) Install the pressure service check-valve (2) with the new O-ring (3) in the connector (4).
R (5) TORQUE the pressure service check-valve (2) to between 5.76 and 6.44 m.daN (42.47 and 47.49 lbf.ft).
R R (6) Safety the pressure service check-valve (2) to the connector (4) with the lockwire MISCELLANEOUS (Material No. 19-010).
R (7) Install the union (1) at the pressure service check-valve (2).
R R (8) TORQUE the union (1) to between 4.46 and 5.02 m.daN (32.89 and 37.02 lbf.ft).
R R (9) Safety the union (1) to the pressure service check-valve (2) with the lockwire MISCELLANEOUS (Material No. 19-010).
Subtask 36-11-56-710-050
B. Test
(1) Do the ground air pre-conditioning with the HP Ground Connection (Ref. TASK 12-33-21-618-001), or with the APU (Ref. TASK 12-33-21-618-001).
(2) Make sure that there are no leaks at the connections.
5. Close-up
________ Subtask 36-11-56-410-050
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 191BB or 192FB. Subtask 36-11-56-860-052
B. Put the aircraft back to its initial configuration.
(1) Remove the access platform(s).
(2)
Remove the warning notice(s). Subtask 36-11-56-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HV, 2HV, 2HA1, 2HA2, 3HA1, 3HA2.
1EFF : ALL 1 36-11-56Page 408 1 1 May 01/05R 1 1 1CES 1
R SOLENOID - HP BLEED OVERRIDE (11HA1,11HA2) - REMOVAL/INSTALLATION_________________________________________________________________ TASK 36-11-58-000-001 Removal of the HP Bleed Override Solenoid (11HA1, 11HA2) WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
WORK ON THE PNEUMATIC SYSTEM.
WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.
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)
No specific warning notice
No specific access platform 3.5 m (11 ft. 6 in.)
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