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R 4. Procedure_________
R (Ref. Fig. 401A/TASK 33-51-39-991-001-B)
R Subtask 33-51-39-020-052
R A. Removal of the Battery from the Power-Supply Unit (Bruce)
R
R (1) Loosen the captive screws (7).
R (2) Remove the battery (6) from the body (5) of the power-supply unit
R (4).
R (3) Put blanking caps on the electrical connectors (8) of the removed
R battery (6).
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R TASK 33-51-39-400-002 R Installation of the Battery of the Power-Supply Unit (Bruce) R 1. Reason for the Job
__________________ R Self Explanatory R 2. Job Set-up Information
______________________ R A. Fixtures, Tools, Test and Support Equipment R -------------------------------------------------------------------------------
R REFERENCE QTY DESIGNATION R -------------------------------------------------------------------------------R No specific 1 STEPLADDER 1.5 M (5 FT)
R B. Referenced Information R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 33-51-00-710-002 R R 33-51-39-991-001-B R FOR FIN 110WL1 R 25-23-42-000-001 R 25-23-42-400-001 R R FOR FIN 110WL3 R 25-23-45-000-004 R R 25-23-45-400-005 R R 25-26-41-000-003 R 25-26-41-400-003 R FOR FIN 110WL2 R 25-23-44-000-001 R 25-23-44-400-001 R Operational Test of Emergency Escape-Path Marking-Lights Fig. 401A
Removal of the Ceiling Panels - Forward Utility Area Installation of the Ceiling Panels - Forward Utility Area
Removal of the Door Frame Linings at the Right AFT Passenger/Crew Door Installation of the Door Frame Linings at the Right AFT Passenger/Crew Door Removal of the Aft Curtain Rail Installation of the Aft Curtain Rail
Removal of the Lower Sidewall-Panels (Dado Panels) Installation of the Lower Sidewall-Panels (Dado Panels)
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R 3. Job Set-up__________
R Subtask 33-51-39-860-054
R A. Aircraft Maintenance Configuration
R (1) Make sure that the EMER EXIT LT switch 4WL on the overhead panel 25VU
R is in the OFF position.
R (2) Make sure that the LIGHT EMER pushbutton switch and its integral
R light on the forward attendant panel 120RH are off.
R Subtask 33-51-39-865-054
R B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and
R tagged
R -------------------------------------------------------------------------------
R PANEL DESIGNATION IDENT. LOCATION
R -------------------------------------------------------------------------------
R 49VU LIGHTING/EMER LT/CABIN 2WL H06
R 49VU LIGHTING/EMER LT/CABIN 1WL H05
R Subtask 33-51-39-010-053
R C. Get Access
R (1) Make sure that the STEPLADDER 1.5 M (5 FT) is in position:
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