(4)
Close the filling valve on the right bleed valve (union K). Use the filling valve on the left bleed valve (union J) to continue the filling operation. Monitor the fluid flow. When the fluid flows with no air bubbles, close the filling valve on the left bleed valve (union J).
(5)
At this step the reservoir 2624GM is full (the reservoir piston is on its stop). Let the fluid flow through the bleed valve on the reservoir 2624GM. Close the bleed valve when the piston end is aligned with the green band (normal level).
(6)
Close the bleed valves of the alternate brake distribution dual valves 2577GM.
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B. Test
(1)
Pressurize the Yellow Hydraulic system (Ref. TASK 29-10-00-863-002).
(2)
Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1.
Push the left pedal on the On the pressure gauges, make sure that
Captain or First Officer side. the pressure applied to the brake units on the left main gear is 175 bars plus or minus 10 bars (2538 PSI plus or minus 145 PSI).
2.
Release the left pedal.
3.
Push the right pedal on the On the pressure gauges, make sure that
Captain or First Officer side. the pressure applied to the brake units on the right main gear is 175 bars plus or minus 10 bars (2538 PSI plus or minus 145 PSI).
4.
Release the right pedal. NOTE : If the pressure obtained at the brake units is not within the
____ specified values, do again the operations given in the procedure.
5.
Close-up
________ Subtask 32-43-00-860-061
A. Put the system in normal configuration
(1)
Depressurize the Yellow hydraulic system
(Ref. TASK 29-10-00-864-002).
(2)
On each brake unit, close the Yellow System bleed valves, remove the pressure gage and install plugs on the bleed valves.
(3)
Disconnect the supply lines from the alternate brake distribution dual valves 2577GM.
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(4)
Safety the bleed valves with lockwire corrosion resistant steel 0.8
(0.03 in) dia
(5)
Install the plugs on the bleed valves.
(6)
Disconnect the transparent hose from the reservoir 2624GM and connect the drain hose (aircraft system) on the bleed valve.
Subtask 32-43-00-410-050
B. Close Access
(1) Close the access door 811.
(2) Close the main doors of the main gears (Ref. TASK 32-12-00-410-001). Subtask 32-43-00-942-052
C. Removal of Equipment
(1)
Remove the access platform(s).
(2)
Remove the warning notice(s).
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
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Filling and bleeding of the Low Pressure Control System of the Alternate Braking using Green Reservoir fluid WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY
_______ OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM.
WARNING : PRESSURIZE ONLY THE HYDRAULIC SYSTEM(S) THAT IS (ARE) NECESSARY FOR
_______ THE TASK. ISOLATE THE OTHER HYDRAULIC SYSTEM(S) BEFORE YOU SUPPLY HYDRAULIC POWER TO THE AIRCRAFT.
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
1. Reason for the Job
__________________
You must do this procedure to fill the system or after you remove equipment from it.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container No specific filling valve No specific warning notices No specific access platform 1.8 m (5 ft. 11 in.) No specific hydraulic pressure gauge 200 bar (2900.7540 psi) 98D29003502000 1 FILLING TOOL - BRAKING SYSTEM
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