Subtask 33-48-37-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU LIGHTING/EXT LT/BEACON/LOWER 5LV U03
 4. Procedure
_________
 (Ref. Fig. 401/TASK 33-48-37-991-001) Subtask 33-48-37-420-050
 A. Installation of the Power Supply Unit
 (1)
 Clean the component interface and/or the adjacent area.

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

 (3)
 Put the power supply unit (1) in position on the fuselage.

 (4)
 Install the power supply unit (1) with the screws (4) and the washers

 (3) and tighten.

 (5)
 Apply STRUCTURE PAINTS (Material No. 16-003) on one of the screws (4) (Ref. TASK 20-28-00-912-004).

 (6)
 Remove the blanking caps from the electrical connectors.

 (7)
 Make sure that the electrical connectors are clean and in the correct condition.

 (8)
 Connect the electrical connectors (2) and (5) to the power supply unit (1).

 (9)
 Safety the electrical connector (5) with lockwire - corrosion resistant steel 0.6mm (0.24 in.) dia..

 Subtask 33-48-37-710-050
 B. Do an operational test of the lower beacon/strobe light 6LV (Ref. TASK 33-48-12-700-001).

 5. Close-up
________ Subtask 33-48-37-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the access panel 191HB to the belly fairing (Ref. TASK 53-35-13-400-002).

 POWER SUPPLY UNIT - WING TIP STROBE LIGHT (14LV,15LV) - REMOVAL/INSTALLATION
____________________________________________________________________________ TASK 33-48-38-000-001 Removal of the Power Supply Unit WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE. WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 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 circuit breaker(s) safety clip(s) No specific safety barriers No specific warning notice No specific access platform 4.0 m (13 ft. 1 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
33-48-38-991-001 Fig. 401 3. Job Set-up

__________ Subtask 33-48-38-941-052
 A. Safety Precautions
 (1)
 Put the safety barriers in position.

 (2)
 Put a warning notice in position on panel 25VU to tell persons not to operate the strobe lights or the navigation lights.

 Subtask 33-48-38-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU LIGHTING/WING/STROBE 10LV V05
 Subtask 33-48-38-010-050
 C. Get Access
 (1)
 Put the access platform in position below the applicable access panel 534AB(634AB).

 (2)
 Remove the applicable access panel:
 FOR 15LV
 remove 534AB
 FOR 14LV
 remove 634AB

 4. Procedure
_________
 (Ref. Fig. 401/TASK 33-48-38-991-001) Subtask 33-48-38-020-050
 A. Removal of the Power Supply Unit WARNING : DO NOT DISCONNECT THE ELECTRICAL CONNECTIONS FOR AT LEAST 2
_______ MINUTES AFTER YOU DE-ENERGIZE THE ELECTRICAL CIRCUITS.
 (1)
 Disconnect the electrical connectors (1) from the power supply unit (4).
　
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