TRANSFORMER - TAIL NAVIGATION LIGHT (13LA) - REMOVAL/INSTALLATION
_________________________________________________________________
 TASK 33-41-16-000-001
 Removal of the Tail Navigation-Light Transformer 13LA
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
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REFERENCE  QTY DESIGNATION
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No specific blanking caps
 No specific circuit breaker(s) safety clip(s)
 No specific access platform 4.0 m (13 ft. 1 in.)

 B. Referenced Information
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REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
R  52-41-18-000-001 Removal of the APU Exhaust Access-Fairing 317AL 33-41-16-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 33-41-16-865-050

 A. Open, safety and tag this(these) circuit breaker(s):
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PANEL DESIGNATION  IDENT. LOCATION
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121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 122VU LIGHTING/EXT LT/NAV1/AND LOGO/LT 1LA T03 122VU LIGHTING/EXT LT/NAV2/AND LOGO/LT 2LA T02 122VU LIGHTING/WING/STROBE 10LV V05

 Subtask 33-41-16-010-050
 B. Get Access
 (1) Put the access platform at the APU tail-cone exhaust area Zone 317.
 (2) Remove the APU exhaust access fairing 317AL (Ref. TASK 52-41-18-000-001).
 4. Procedure_________
 (Ref. Fig. 401/TASK 33-41-16-991-001)
 Subtask 33-41-16-020-051
R  A. Removal of the Tail Navigation-Light Transformer 13LA 
R  (1) Disconnect the electrical connector (3). 
R  (2) Put blanking caps on the disconnected electrical connectors. 
R  (3) Remove the screws (2) and the washers (1). 
R  (4) Remove the transformer plate (4) with the transformer from the APU exhaust access fairing.

 Tail-Navigation-Light Transformer 13LA
 Figure 401/TASK 33-41-16-991-001
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 TASK 33-41-16-400-001

 Installation of the Tail Navigation-Light Transformer 13LA
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 05-002 USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00) Material No. 09-003 C Z-16.115 SEALANT,POLYSULFIDE (USE 09-018) (Ref. 20-31-00) Material No. 09-023 USA MIL-S-38249 TYPE I FIRE WALL SEALANT (Ref. 20-31-00)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
33-41-00-710-001 Operational Test of the Navigation Lights R 33-48-00-710-002 Operational Test of the Anti-Collision/Strobe R Lighting
 52-41-18-400-001 Installation of the APU Exhaust Access-Fairing 317AL 33-41-16-991-001 Fig. 401

 3. Job Set-up
__________

 Subtask 33-41-16-865-051
 A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 122VU LIGHTING/EXT LT/NAV1/AND LOGO/LT 1LA T03 122VU LIGHTING/EXT LT/NAV2/AND LOGO/LT 2LA T02 122VU LIGHTING/WING/STROBE 10LV V05
 4. Procedure
_________ (Ref. Fig. 401/TASK 33-41-16-991-001) Subtask 33-41-16-910-050 R A. Preparation for Installation
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Do an inspection of the component interface and/or the adjacent area.

 (3)
 Apply the SEALANTS (Material No. 09-003) to the mating surfaces.
　
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