4. Procedure
_________
R **ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
Subtask 26-12-00-710-051
A. Operational Test of the Engine Fire and Overheat Detection with the CFDS
(1)
On one Multipurpose Control and Display Unit (MCDU), get the SYSTEM REPORT/TEST/FIRE PROT page (Ref. TASK 31-32-00-860-005).
(2)
Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU: On the MCDU:
-
push the line key adjacent to - the FDU 1(2) page comes into view. the FDU 1(2) indication.
-
push the line key adjacent to On the FDU 1(2) page:
the TEST indication. - the TEST WAIT message comes into view for 60 seconds then goes out of view, and these messages come into view (P/N given for example only):
TEST OK P/N 7304 01 02 END OF TEST
NOTE : Ignore other indications.
____R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
Subtask 26-12-00-710-051-A
A. Operational Test of the Engine Fire and Overheat Detection with the CFDS
(1)
On one Multipurpose Control and Display Unit (MCDU), get the SYSTEM REPORT/TEST/FIRE PROT page (Ref. TASK 31-32-00-860-005).
(2)
Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU: On the MCDU:
-
push the line key adjacent to - the FDU 1(2) page comes into view. the FDU 1(2) indication.
-
push the line key adjacent to On the FDU 1(2) page:
the TEST indication. - the TEST IN PROGRESS indication comes into view for 90 seconds then goes out of view. The TEST OK indication comes into view.
**ON A/C ALL
5. Close-up
________
Subtask 26-12-00-869-051
A. Put the aircraft back to the serviceable condition.
(1) On the MCDU, push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.
Subtask 26-12-00-862-051
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
ENGINE FIRE AND OVERHEAT DETECTION - INSPECTION/CHECK
_____________________________________________________
TASK 26-12-00-200-003
Visual Inspection of the Engine Fire Detection 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
__________________
To make sure that the fire detection loops are correctly installed and do not touch their support and/or engine components.
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 -------------------------------------------------------------------------------
26-12-15-000-042 Removal of the Fan Fire Detectors (4000WD1,4000WD2) 26-12-16-000-001 Removal of the Pylon Fire Detectors
(3WD1,3WD2,4WD1,4WD2) 26-12-17-000-041 Removal of the Core Fire Detectors (4001WD1,4001WD2) 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 26-12-00-991-300 Fig. 601 26-12-00-991-301 Fig. 602 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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