Subtask 33-14-51-010-050
B. Get Access
(1) Remove the ceiling panel 211HC with an ALLEN wrench.
4. Procedure
_________
(Ref. Fig. 401/TASK 33-14-51-991-001) Subtask 33-14-51-020-050
A. Removal of the Essential Transformer
(1)
Disconnect the movable connector (4) from the defective transformer (1). Put a blanking cap on the disconnected connector.
(2)
Loosen the four screws (3) and the washers (2) that attach the defective transformer (1) to the structure.
(3)
Remove the defective transformer (1).
Essential Transformer
Figure 401/TASK 33-14-51-991-001
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TASK 33-14-51-000-002
Removal of the System 1 (2) Transformer (37LP, 36LP)
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 cap
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
33-14-51-991-002 Fig. 402
3. Job Set-up
__________ Subtask 33-14-51-865-052
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU LIGHTING/TST/BOARD/SPLY 30LP X06 FOR 36LP 122VU LIGHTING/ANN LT SPLY/XFMR/BUS 2 27LP X05 FOR 37LP 122VU LIGHTING/ANN LT SPLY/XFMR/BUS 1 26LP X04
Subtask 33-14-51-010-051
B. Get Access
(1)
In the cockpit, remove the panels 121VU and/or 122VU which give access to the panel 120VU.
(2)
Loosen the quick-disconnect fasteners of these panels: FOR 37LP 122VU FOR 36LP 122VU, 121VU
(3)
Pull these panels to the front.
4. Procedure
_________
(Ref. Fig. 402/TASK 33-14-51-991-002) Subtask 33-14-51-020-051
A. Removal of the Transformer
(1)
Disconnect the movable connector (4) of the defective transformer (1). Put a blanking cap on the disconnected connector.
(2)
Loosen the four screws (3) and the washers (2) that attach the defective transformer (1) to the structure.
(3)
Remove the transformer (1).
System 1 (2) Transformer
Figure 402/TASK 33-14-51-991-002
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TASK 33-14-51-400-001
Installation of the Essential Transformers (31LP, 35LP)
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 cap No specific ALLEN wrench
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
33-14-00-710-001 Operational Test of the Annunciator Light Test System
in the Cockpit 33-14-51-991-001 Fig. 401
3. Job Set-up
__________
Subtask 33-14-51-865-051
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU LIGHTING/TST/BOARD/SPLY 30LP X06 FOR 31LP 49VU LIGHTING/XFMR/115V.5V/ESS BUS 29LP H03 FOR 35LP 122VU LIGHTING/ANN LT SPLY/XFMR/STAT INV 28LP X03
Subtask 33-14-51-010-052
B. Get Access
(1) Make sure that the ceiling panel 211HC is removed.
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