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R  - install the ILS Receiver 2 (2RT2) (Ref. TASK 34-36-31-400-001) 
R  or the Multi Mode Receiver 2 (40RT2) (Ref. TASK 34-36-31-400-
R  002). 
R  (p) On the shelf 109VU: 
R  - install the Weather Radar transceivers 1 and 2 (1SQ1, 1SQ2) 
R  (Ref. TASK 34-41-33-400-003). 
R  (4) Close the access door 824. 
R  (5) Remove the ground support and maintenance equipment, the special and 
R  standard tools and all other items. 
R  (6) Remove the access platform(s). 
R  **ON A/C ALL
 Subtask 12-21-13-862-050
 B. De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).

 

 TASK 12-21-13-100-002 Cleaning of the Grids of the 70VU, 103VU, 106VU and 107VU
 1.
 Reason for the Job

__________________
 Refer to the MPD TASK: 212600-09

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific soft brush No specific vacuum cleaner No specific access platform 1.6 m (5 ft. 3 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-21-13-991-003 Fig. 703
 3. Job Set-up
__________ Subtask 12-21-13-010-051
 A. Get Access
 (1)
 Put an access platform in position at the access doors 812 and 822.

 (2)
 Open the access doors 812 and 822.

 

 4. Procedure
_________

 Subtask 12-21-13-140-050
 A. Cleaning of the Grids of the Annunciator-Light Test Unit 70VU
 (Ref. Fig. 703/TASK 12-21-13-991-003)

 NOTE : In the avionics compartment, use a vacuum cleaner and a soft brush
____ to clean the equipments. Keep the vacuum cleaner out of the avionics compartment to prevent dust contamination.
 (1)
 Clean the grid on the left side of the 70VU.

 (2)
 Clean the grid on the right side of the 70VU.

 (3) Clean the grid at the bottom of the 70VU. Subtask 12-21-13-140-051
 B. Cleaning of the Grids of the Relay Box 103VU
 (Ref. Fig. 703/TASK 12-21-13-991-003)

 NOTE : In the avionics compartment, use a vacuum cleaner and a soft brush
____ to clean the equipments. Keep the vacuum cleaner out of the avionics compartment to prevent dust contamination.
 (1)
 Clean the left and right external grids of the relay box 103VU.

 (2)
 Open the door of the relay box 103VU.

 (3)
 Clean the left and right internal grids.

 (4) Close the door of the relay box 103VU. Subtask 12-21-13-140-052
 C. Cleaning of the Grid of the AC/DC Emergency Power-Center 106VU
 (Ref. Fig. 703/TASK 12-21-13-991-003)

 NOTE : In the avionics compartment, use a vacuum cleaner and a soft brush
____ to clean the equipments. Keep the vacuum cleaner out of the avionics compartment to prevent dust contamination.
 (1) Clean the front face of the 106VU.

 Location of Units in Avionics Compartment
 Figure 703/TASK 12-21-13-991-003
 1EFF :  ALL  1  12-21-13 Page 725 
1  1  Feb 01/05
 1  1
 1CES  1

 

 Subtask 12-21-13-140-053

 D. Cleaning of the Grid of the Contactor Box 107VU
 (Ref. Fig. 703/TASK 12-21-13-991-003)

 NOTE : In the avionics compartment, use a vacuum cleaner and a soft brush
____ to clean the equipments. Keep the vacuum cleaner out of the avionics compartment to prevent dust contamination.
 (1) Clean the front face of the contactor box 107VU.
 5. Close-up
________ Subtask 12-21-13-410-051
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access doors 812 and 822.

 (3)
 Remove the access platform(s).

　
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