_______ OVERPRESSURE VALVE ARE IN THE CORRECT POSITION. IF NOT, THE SCREWS CAN CAUSE DAMAGE TO THE FIREWAL OF THE THRUST REVERSER COWL.
(a) Install the clamps (2) but do not fully tighten them.
(7)
Torque the clamps (2) to the value given on the clamps.
(8)
Connect the sense line (1) to the duct assy (3) and TORQUE the nut to
141.6 lbf.in (1.60 m.daN).
Subtask 36-11-49-710-058
B. Do this test
(1)
Remove the warning notice from the HP ground connector.
(2)
Connect an air supply source to the HP ground connector.
(3)
On the AIR COND panel 30VU, set the X-BLEED selector switch to OPEN.
(4)
Apply a stable pressure of 30 psi (2.0684 bar) to the HP ground connector.
(5)
Make sure that there are no leaks at the junctions between the overpressure valve, the sense lines and the ducts on the related engine.
(6)
Disconnect the air supply source from the HP ground connector.
5. Close-up
________ Subtask 36-11-49-410-108
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 36-11-49-440-075
B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 36-11-49-410-109
C. Close Access
(1)
Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2)
Remove the access platform(s).
(3) Remove the warning notice(s). Subtask 36-11-49-862-079
D. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002)
DUCTS - BLEED AIR - INSPECTION/CHECK
____________________________________
TASK 36-11-49-200-041
Visual Inspection of the Pneumatic System Hoses, Tubes and Ducts
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 circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-11-49-000-001 Removal of the Mid Stage Tee Duct 36-11-49-000-002 Removal of the High Pressure Tee Duct 36-11-49-000-003 Removal of the Upper High Pressure Duct 36-11-49-000-004 Removal of the Lower High Pressure Duct 36-11-49-000-005 Removal of the Fifth Stage ELbow Duct 36-11-49-000-006 Removal of the Pneumatic System Tubes and Hoses 36-11-49-000-040 Removal of the Pylon Interface Duct 36-11-49-000-043 Removal of the Mid Stage Tee Duct 36-11-49-400-001 Installation of the Mid Stage Tee Duct 36-11-49-400-002 Installation of the High Pressure Tee Duct 36-11-49-400-003 Installation of the Upper High Pressure Duct 36-11-49-400-004 Installation of the Lower High Pressure Duct -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-11-49-400-005 Installation of the Fifth Stage Elbow Duct
36-11-49-400-006 Installation of the Pneumatic System Tubes and Hoses
36-11-49-400-040 Installation of the Pylon Interface Duct
36-11-49-400-043 Installation of the Mid Stage Tee Duct
71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
78-36-00-010-040 Opening of the Thrust Reverser Doors
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