(3)
Remove the check valve 1050GM (Ref. TASK 29-11-36-000-001).
(4)
Connect the hose of the auxiliary hydraulic reservoir to the open pressure coupling in the fluid disconnect panel of the engine 1.
(5)
Put blanking plugs on the disconnected line ends.
(6)
Operate the hydraulic power cart until a minimum of 10 l (2.6416 USgal) of hydraulic fluid flows into the auxiliary hydraulic reservoir.
NOTE : Increase the rate of flow and the pressure as necessary, do
____ not pressurize to more than 100 psi (6.8947 bar).
(7)
Stop the hydraulic power cart.
(8)
Disconnect the pressure hose of the hydraulic power cart from the delivery connector 1008GM at the ground service panel.
(9)
Disconnect the hose of the auxiliary hydraulic reservoir from the port of the fluid disconnect panel at the engine 1.
(10)
Remove the blanking plugs.
(11)
Install the check valve 1050GM (Ref. TASK 29-11-36-400-001).
(12)
Connect the pressure line 1673GM to the pressure coupling of the fluid disconnect panel at the engine 1.
(13)
TORQUE the coupling nut of the pressure line 1673GM to between 9.66 and 10.67 m.daN (71.23 and 78.68 lbf.ft).
(14)
Remove the hydraulic power cart.
5. Close-up
________ Subtask 12-36-29-860-097
A. Put the aircraft back to the serviceable condition.
(1)
Drain the reservoir of the Green hydraulic system (Ref. TASK 29-10-00-680-001).
(2)
Pressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-002).
(3)
Pressurize the Green Hydraulic system with the ground cart (Ref. TASK 29-10-00-863-001).
(4)
Operate the hydraulic users to remove the air.
(5)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
(6)
Make sure that the reservoir of the Green hydraulic system is correctly filled with new fluid (Ref. TASK 12-12-29-611-001).
(7) Remove the container. Subtask 12-36-29-860-098
B. Put the system back to the serviceable condition.
(1)
De-energize the solenoid valve 1150GP in the MLG bay.
(2)
On the panel 50VU in the cockpit, lift the guard and push the HYD/LEAK MEASUREMENT VALVES/G P/BSW (the OFF light goes off).
Subtask 12-36-29-410-062
C. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 197CB.
(3)
Close the engine 1 fan-cowl doors (Ref. TASK 71-13-00-410-040).
(4) Make sure that the MLG doors are closed (Ref. TASK 32-12-00-410-001). Subtask 12-36-29-865-051
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1701GK, 1702GK, 2701GJ, 2702GJ, 3700GD, 3701GD, 3801GX, 3802GX, 3803GX.
Subtask 12-36-29-860-100
E. Put the aircraft back to the serviceable condition.
(1)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(2)
Remove the warning notice(s).
(3)
Remove the safety barriers.
(4)
Remove the access platform(s).
TASK 12-36-29-600-002
Change the Hydraulic Fluid in the Yellow Hydraulic System
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 : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______ R - FLUSH IT AWAY WITH CLEAN WATER R - GET MEDICAL AID.
1. Reason for the Job
__________________
To change the type of hydraulic fluid or to change the hydraulic fluid if
chemical contamination is found.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific auxiliary hydraulic reservoir with a capacity of 100
l (26.4 USgal)
No specific blanking plugs
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