(2)
Disconnect the ground air-supply unit from the HP ground connector (7300HM).
(3)
Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
Combo Seals of the Pylon Duct Sleeves (Downstream Precooler)
Figure 506/TASK 36-11-00-991-029
Subtask 36-11-00-410-078
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install these access panels:
-
For the left pylon:
414FR
-
For the right pylon:
423FL.
(3)
Remove the warning notice(s).
(4) Remove the access platform(s). Subtask 36-11-00-862-075
C. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
ENGINE BLEED AIR SUPPLY SYSTEM - INSPECTION/CHECK
_________________________________________________ TASK 36-11-00-200-002 Visual Inspection of the Fan Air Valve and Bleed-Air Precooler Exchanger after
Hail Strike WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
WARNING : PUT A WARNING NOTICE ON THE HIGH PRESSURE GROUND POWER CONNECTIONS TO
_______ TELL PERSONS NOT TO OPERATE THE PNEUMATIC SYSTEM.
CAUTION : USE A SECOND WRENCH TO APPLY COUNTER TORQUE TO THE UNION ON THE VALVE
_______ WHEN YOU CONNECT THE HP SENSE TUBE.
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 lamp No specific lint-free cloth No specific mirror No specific warning notice No specific access platform 1 m (3 ft. 3 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-008 (USE 11-008A) (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 36-11-42-000-001 Removal of the Bleed-Air Precooler Exchanger (7150HM1,7150HM2) 36-11-42-400-001 Installation of the Bleed-Air Precooler Exchanger
(7150HM1,7150HM2) 36-11-54-000-001 Removal of the Fan Air Valve (9HA1,9HA2) 36-11-54-400-001 Installation of the Fan Air Valve (9HA1,9HA2) 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 78-36-00-410-040 Closing of the Thrust Reverser Doors 36-11-00-991-031 Fig. 601 36-11-00-991-032 Fig. 602
3. Job Set-up
__________
Subtask 36-11-00-861-081
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 36-11-00-941-094
B. Safety Precautions
(1)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(2)
On the AIR COND control panel 30VU:
-
make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on)
-
make sure that the APU BLEED pushbutton switch is released (the ON legend is off)
-put a warning notice to tell persons not to operate the pneumatic system.
(3)
On the ENG control panel 115VU:
-put a warning notice to tell persons not to start the engine 1(2).
(4)
On the HP ground connector:
-Put a warning notice to tell persons not to pressurize the pneumatic system.
(5)
On the ENG section of the maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off
-put a warning notice to tell persons not to energize the FADEC 1(2).
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