(1)
Install the contactor (5) on the tapped barrels (6) of the contactor base (1).
(2)
TORQUE the captive screws (3):
-
FOR 5PU1, 5PU2 TORQUE the screws to between 33.63 and 41.6 lbf.in (0.38 and 0.47 m.daN).
-
FOR 14PU TORQUE the screws to between 13.28 and 15.93 lbf.in (0.15 and 0.18 m.daN).
(3)
Remove the blanking caps from the electrical connectors.
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5) Connect the connector (4). R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
Subtask 24-32-55-420-050-A
A. Installation of the Contactors
FOR 5PU1, 14PU
(Ref. Fig. 402A/TASK 24-32-55-991-002-A)
FOR 5PU2
(Ref. Fig. 403A/TASK 24-32-55-991-003-A)
(1)
Install the contactor (5) on the module 14PN (13PN, 20XX) (1).
(2)
TORQUE the captive screws (3):
-
FOR 5PU1, 5PU2 TORQUE the screws to between 33.63 and 41.6 lbf.in (0.38 and 0.47 m.daN).
-
FOR 14PU TORQUE the screws to between 13.28 and 15.93 lbf.in (0.15 and 0.18 m.daN).
(3)
Remove the blanking caps from the electrical connector (4) and the electrical receptacle (2).
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Connect the electrical connector (4) to the contactor (5).
**ON A/C ALL
Subtask 24-32-55-861-051
B. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 24-32-55-860-052
C. Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only)
(Ref. TASK 31-60-00-860-001).
Subtask 24-32-55-710-050
D. Test of the Contactor
(1)
On the ECAM control panel:
-push the ELEC key to get the ELEC system page.
(2)
On the lower ECAM DU, make sure that the aircraft electrical configuration is correct.
Subtask 24-32-55-860-053
E. Do the EIS stop procedure
(Ref. TASK 31-60-00-860-002).
Subtask 24-32-55-862-051
F. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
5. Close-up
________ Subtask 24-32-55-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
In the cockpit:
-
FOR 14PU
install the front panel of the panel 123VU.
-
FOR 5PU1, 5PU2
R in the left Lower side of the panel 120VU, install the access door.
(3)
Install the third occupant seat (Ref. TASK 25-11-41-400-001).
(4)
Remove the warning notice(s).
(5)
Close the access door 121AL.
(6)
Remove the access platform(s).
DC EMERGENCY GENERATION (TR) - DESCRIPTION AND OPERATION
________________________________________________________
1.
General
_______ The DC emergency generation consists in the essential Transformer Rectifier (TR) and its associated contactor. It is supplied with 115 VAC/400 Hz either by the emergency generator or by the AC normal busbars, in failure conditions.
2.
Component Location
__________________
(Ref. Fig. 001)
-------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
-------------------------------------------------------------------------------1PE TR-ESS 125 812 24-34-51 3PE CNTOR-ESS TR 106VU 125 812 24-34-55
3. Component Desccription
______________________
(Ref. Fig. 002)
A. Essential TR
The essential TR directly controls its contactor (3PE).
The essential TR is ventilated by natural convection.
R
B. Characteristics of the Essential TR (see ATA Ref : 24-32-00). The essential TR is fully interchangeable with normal TR1 (1PU1) and has the same electrical properties.
NOTE : The normal TR2 (1PU2) has not the same electrical properties and
____
is not interchangeable.
R
4. Operation/Control and Indicating
________________________________ The essential TR starts to operate as soon as it is supplied. It is supplied in the following cases:
-
loss of TR1,
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