Material No. 09-019 USA AMS 3267/3
LOW ADHESION CORROSION INHIBITING SEALANT
(Ref. 20-31-00)
R Material No. 09-025 USA MIL-PRF-81733 CORROSION INHIBITING SEALANT SPRAYABLE (Ref. 20-31-00)
C. Referenced Information
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REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 53-12-13-000-001 Removal of the avionics compartment floor panels 53-12-13-400-001 Installation of the avionics compartment floor panels 53-19-41-991-003 Fig. 402
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53-19-41Page 413
R 3. Job Set-up
__________
R Subtask 53-19-41-860-052
R A. Aircraft Maintenance Configuration
R (1) Make sure that the aircraft electrical circuits are energized
R (Ref. TASK 24-41-00-861-002).
R Subtask 53-19-41-010-055
R B. Get Access
R (1) Make sure that the access platform is in position at zone 811.
R (2) Make sure that the avionics-compartment access door 811 is open.
R (3) Make sure that the access platform is in position at zone 824.
R (4) Make sure that the avionics-compartment access door 824 is open.
R (5) On the panel 50VU:
R - make sure that the AVIONICS/COMPT LT pushbutton switch 23LS is
R pushed.
R (6) In the avionics compartment, make sure that the applicable floor
R panel is removed (Ref. TASK 53-12-13-000-001).
R (7) Make sure that the insulation blanket is removed.
R 4. Procedure_________
R Subtask 53-19-41-840-052
R A. Preparation for Installation
R (1) Make sure that the parts retained from the removed component are
R clean and in the correct condition.
R (2) Clean the component interface and/or the adjacent area.
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Nov 01/00
R Subtask 53-19-41-420-052
R B. Installation of the Drain Valve
R (Ref. Fig. 402/TASK 53-19-41-991-003)
R (1) Apply SEALANTS (Material No. 09-025) on the component interface.
R (2) Put the retaining valve (2) in position.
R (3) Apply SEALANTS (Material No. 09-025) around the retaining valve (2).
R (4) Put the two nuts (1) in position.
R (5) Install the two bolts (3). Tighten the two nuts (1).
R (6) Apply SEALANTS (Material No. 09-018) or SEALANTS (Material No. 09-
R 019) between the valve (4) and the structure.
R (7) Install the valve (4).
R 5. Close-up________
R Subtask 53-19-41-410-052
R A. Installation of Components
R (1) Install the insulation blanket on the drain valve.
R (2) Make sure that the work area is clean and clear of tool(s) and other
R items.
R (3) Install the floor panel (Ref. TASK 53-12-13-400-001).
R Subtask 53-19-41-941-051
R B. Close Access
R (1) On the panel 50VU:
R - push then release the AVIONICS COMPT/LT pushbutton switch.
R (2) Close the avionics-compartment access doors 824 and 811.
R (3) Remove the access platform(s).
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Nov 01/00
R Subtask 53-19-41-862-052
R C. De-energize the aircraft electrical circuits R (Ref. TASK 24-41-00-862-002).
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53-19-41Page 416
BLANKING PLATE - STATIC PORT - REMOVAL/INSTALLATION
___________________________________________________ TASK 53-19-42-000-001 Removal of the Static Port Blanking-Plate WARNING : MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE
_______ OPENED, SAFETIED AND TAGGED.
WARNING : MAKE SURE THAT:
_______
-
THE STATIC PROBE IS NOT HOT
-
THE ELECTRICAL SUPPLY TO THE HEATING ELEMENT OF THE PROBE IS ISOLATED BEFORE YOU START THE TASK.
1.
Reason for the Job
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