3. Job Set-up
__________
Subtask 24-32-51-865-051
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1PU1
123VU TR1/SPLY 2PU1 AB10
FOR 1PU2 123VU TR2/SVCE/BUS 2/SPLY 1XX AB08 123VU TR2/214XP/SPLY 2PU2 AB04
Subtask 24-32-51-010-051
B. Get access to the Avionics Compartment
(1)
Make sure that the access platform is in positon at the access door
822.
(2)
Make sure that the access door 822 is open.
4. Procedure
_________
(Ref. Fig. 401/TASK 24-32-51-991-001)
Subtask 24-32-51-420-050
A. Installation of the Transformer Rectifier
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Engage the transformer rectifier (1) on the centering pins to put it in position.
R (4) Install the washers (10) and the screws (11) and then tighten the R screws.
(5)
Remove the blanking caps from the electrical connectors.
(6)
Make sure that the electrical connectors are clean and in the correct condition.
R (7) Connect the connectors (6) to the transformer rectifier.
(8) Remove the insulating sleeves from the lugs (3).
R (9) Connect the lugs (3) to the output terminals (2) of the transformer R rectifier.
(10)
Install the washer (4) and the nut (5) and TORQUE it to between 1.5 and 1.6 m.daN (11.06 and 11.79 lbf.ft).
(11)
Install the washer (9) and the nut (8) and TORQUE it to between 0.6 and 0.7 m.daN (53.09 and 61.94 lbf.in).
(12) Install the protective caps (7) on the output terminals (2).
Subtask 24-32-51-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 1PU1 2PU1 FOR 1PU2 2PU2, 1XX
Subtask 24-32-51-710-050
C. Do an operational test of DC Generation Switching (Ref. TASK 24-32-00-710-001)
NOTE : Before you start the operational test, you must reset the
____
transformer rectifier from the CFDS.
5. Close-up
________
Subtask 24-32-51-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 822.
(3)
Remove the access platform(s).
CONTACTOR (5PU1,5PU2,14PU) - REMOVAL/INSTALLATION
_________________________________________________
TASK 24-32-55-000-001
Removal of the Transformer 1(2) Contactor (5PU1, 5PU2, 14PU)
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 blanking caps
No specific warning notices
No specific access platform 0.5 m (1 ft. 8 in.)
B. Referenced Information -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------25-11-41-000-001 Removal of the Third Occupant Seat **ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
24-32-55-991-001 Fig. 401 R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
24-32-55-991-001-A Fig. 401A
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