(2)
On the ENG panel 115VU, put a warning notice to tell persons not to start the engine 1(2).
(3)
On the ENG section of the 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).
4. Procedure
_________
Subtask 36-22-00-710-050
A. Operational Test of the Overheat Detection System
(1)
Do the BITE Test of the BMC1 and BMC2 with printing of each TEST RESULT page. (Ref. TASK 36-11-00-740-001)
(2)
Make sure that the TEST RESULT pages do not show these maintenance indications:
---------------------------------------------------ATA | MESSAGE | CLASS FAULT ---------------------------------------------------
361134 | BMC1 (1HA1) | 2
361134 | BMC2 (1HA2) | 2
362216 | R WING LOOP A INOP | 2
362216 | R WING LOOP B INOP | 2
362216 | L WING LOOP A INOP | 2
362216 | L WING LOOP B INOP | 2
362216 | ENG 1 PYLON LOOP INOP | 2
362216 | ENG 2 PYLON LOOP INOP | 2
362216 | ENGINE 1 PYLON LOOP | 1
362216 | ENGINE 2 PYLON LOOP | 1
362217 | APU LOOP | 1
362216 | APU LOOP INOP OR BMC | 2
| IDENT CKT |
362216 | L WING LOOP A | 2
362216 | L WING LOOP B | 2
362216 | R WING LOOP A | 2
362216 | R WING LOOP B | 2
---------------------------------------------------________
5. Close-up
Subtask 36-22-00-942-050
A. Remove the warning notice(s).
Subtask 36-22-00-862-050
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
LEAK DETECTION - INSPECTION/CHECK
_________________________________ TASK 36-22-00-790-001 Leak Check on all the Bleed Air Ducts
1. Reason for the Job
__________________
This procedure gives the general description of the leak check on all the bleed air ducts.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific distilled water No specific soap solution
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
3. Job Set-up
__________ Subtask 36-22-00-860-051
A. Aircraft Maintenance Configuration
(1) To do a leak check, you can use two air sources:
-
Air source from the APU or
-
Air source from a ground air-supply unit. Use one of the two sources to do a leak check at the applicable connections.
4. Procedure
_________
Subtask 36-22-00-790-050
A. Leak Check on all the Bleed Air Ducts
(1) Use soap solution to do a leak check at the connections of the bleed air ducts (duct joint, flexible connections).
NOTE : Leaks are permitted if the soap solution stays on the joint
____ line with a continuous series of bubbles. This shows that the leaks are not important. Leaks are not permitted if the air pressure (from the air source) blows the soap solution off the joint line and prevents a continuous series of bubbles.
5. Close-up
________ Subtask 36-22-00-860-052
A. Put the aircraft back to its initial configuration.
(1) Use distilled water to remove all the soap solution from the ducts, and dry with MISCELLANEOUS (Material No. 19-003).
SENSING ELEMENT - OVERHEAT, PYLON (1HF1,1HF2) - REMOVAL/INSTALLATION
____________________________________________________________________
TASK 36-22-15-000-001
Removal of the Pylon Overheat Sensing Element (1HF1, 1HF2)
WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
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