R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 26-21-00Page 559 1201-228, 301-302, 1May 01/05 1 1 1CES 1 **ON A/C ALL

 TASK 26-21-00-720-005
 Functional Test of the ENG 1(2) FIRE Pushbutton Switch
 CAUTION : TO RESET THE ENG 1(2) APU FIRE PUSHBUTTON SWITCH:
_______
 -PUSH THE PUSHBUTTON SWITCH FULLY IN (LATCHED POSITION).
 THEN CLOSE THE GUARD.
 DO NOT TRY TO CLOSE THE GUARD AND PUSH THE PUSHBUTTON SWITCH AT THE
 SAME TIME.

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning through the HP Ground Connection 12-33-21-618-001 Pre-conditioning with the APU 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 26-12-00-710-001 Operational Check of Loop/Squib 29-10-00-710-001 Operational Check of Hydraulic Fire Shut Off Valves
 and Associated Indicating System 31-32-00-860-004 Procedure to Get Access to the SYSTEM REPORT/TEST/ELEC Page 31-32-00-860-011 Procedure to Get Access to the SYSTEM REPORT/TEST/PNEU Page 31-60-00-860-001 EIS Start Procedure
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 -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-60-00-860-002  EIS Stop Procedure
 3. Job Set-up__________
 Subtask 26-21-00-861-061
 A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
 Subtask 26-21-00-941-064
 B. Safety Precautions
 (1) On the center pedestal, on the ENG panel 115VU:
 (a) Put a warning notice to tell persons not to start the engine.
 (2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
 (3) On the overhead maintenance panel 50VU:
 (a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
 (b) Put a warning notice to tell persons not to energize the FADEC 1(2).
 Subtask 26-21-00-869-075
 C. Aircraft Maintenance Configuration 
R  (1) On the ENG panel 115VU: 
R  (a) Make sure that the ENG/MASTER 1(2) toggle switch is at ON. 
R R (b) Make sure that the ENG MODE selector switch is set to NORM. 
(2) On the AIR COND panel 30VU:
 (a) The ENG 1 BLEED and ENG 2 BLEED pushbutton switches must be pushed, the OFF legend is off.

 (b) The PACK 1(2) pushbutton switch must be pushed, the OFF legend is off and the FAULT legend is on. 
R R  (3) Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001). 
R R (4) Do the ground air preconditioning with the APU (Ref. TASK 12-33-21-618-001) or with the HP ground supply unit (Ref. TASK 12-33-21-618-001). 
Subtask 26-21-00-869-076 
R  D. On the overhead panel 20VU, on the ENG/APU FIRE panel 1WD, open the safety guard of the ENG 1(2) FIRE pushbutton switch.
 Subtask 26-21-00-865-078 
R  E. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1 49VU AIR BLEED/ENG 1/CTL 3HA1 D12 FOR 1000EM2 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23
 Subtask 26-21-00-865-079 
R  F. Table of the circuit breakers used in this procedure:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1 49VU FUEL/LP VALVE/MOT1/ENG1 1QG A08 121VU FUEL/LP VALVE/MOT2/ENG1 3QG M25 FOR 1000EM2 49VU FUEL/LP VALVE/MOT1/ENG2 2QG A09 121VU FUEL/LP VALVE/MOT2/ENG2 4QG M26

 4. Procedure
_________ **ON A/C 001-049, 051-099, 101-105, 151-199, 201-228, 301-302,
 Subtask 26-21-00-720-058
　
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