(5)
Hold the contactor (7).
(6)
Remove the 4 nuts (2).
(7)
Remove the contactor (7).
TASK 24-24-55-400-001 Installation of the Emergency Generator Line Contactor (EMER GLC) (2XE) WARNING : MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT
_______ ELECTRICAL CIRCUITS. THERE IS A RISK OF ELECTROCUTION IF THE AC OR DC POWER STAYS CONNECTED.
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
No specific access platforms 1.8 m (5 ft. 11 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-24-00-710-001 Operational Test of the Emergency Generation System 24-24-55-991-001 Fig. 401
3. Job Set-up
__________ Subtask 24-24-55-860-052
A. Aircraft Maintenance Configuration
(1)
In the cockpit, on the overhead panel 35VU, make sure that these pushbutton switches are realeased:
-BAT 1, BAT 2,
-GEN 1(2), APU GEN,
-EXT PWR.
(2)
Make sure that there is a warning notice in the cockpit to tell persons not to operate the pushbutton switches on the overhead panels:
-21VU (EMER ELEC PWR),
-35VU (ELEC).
(3)
Make sure that the external power connector is not connected to the aircraft receptable EXT PWR.
(4)
Make sure that there is a warning notice on the access door 121AL to tell persons not to connect the external power connector.
(5)
Make sure that the access platforms are in position at the access doors 812 and 822.
(6)
Make sure that the access doors 812 and 822 are open.
(7)
In the avionics compartment, make sure that the access panel (1) from the AC/DC emergency power center 106VU is open.
Subtask 24-24-55-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
105VU ELEC/CSM/G /EV AUTO/SPLY 7XE C01 R 106VU ESS TR/SPLY 4PE C01 R
122VU ELEC/CNTOR/ESS/DC BUS/TIE 3PC W26 123VU AC ESS/BUS ON/BUS 1 1XC AC12 123VU AC ESS/BUS ON/BUS 2 2XC AC01
4. Procedure
_________
(Ref. Fig. 401/TASK 24-24-55-991-001)
Subtask 24-24-55-420-050
A. Installation of the Contactor
CAUTION : REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU
_______
CONNECT THE ELECTRICAL WIRES.
(1)
Put the contactor (7) in position.
(2)
Install the nuts (2) and tighten them.
(3)
Install the power supply wires (3).
(4)
Install the 6 washers (4) and screws (5). Tighten the screws (5).
(5) Connect the wires (6) to the contactor (7). Subtask 24-24-55-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3PC, 1XC, 2XC, 4PE, 7XE
Subtask 24-24-55-710-050
C. Do an operational test of the emergency AC generation system (Ref. TASK 24-24-00-710-001).
5. Close-up
________ Subtask 24-24-55-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel (1) on the AC/DC emergency power center 106VU.
(3)
Close the access doors 812 and 822.
(4)
Remove the warning notice(s).
(5)
Remove the access platform(s).
TASK 24-24-55-000-002 Removal of the AC ESS BUS Contactor (15XE) WARNING : MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT
_______ ELECTRICAL CIRCUITS. THERE IS A RISK OF ELECTROCUTION IF THE AC OR DC POWER STAYS CONNECTED.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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