(5)
Install the reservoir drain valve (1).
(6)
TORQUE the reservoir drain valve (1) to between 4.0 and 4.5 m.daN
(29.49 and 33.18 lbf.ft).
(7)
Safety the reservoir drain valve (1) with lockwire 0.8 mm (0.032 in.).
Subtask 29-12-35-790-050
B. Test
(1)
Pressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-002).
(2)
Make sure that fluid level in the reservoir of the Blue hydraulic system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001).
(3) Make sure that there are no leaks from the connection of the
reservoir drain valve (1) and the adapter (3).
________
5. Close-up
Subtask 29-12-35-942-050
A. Put the aircraft back to the serviceable condition.
(1)
Remove the container.
(2)
Remove the warning notices from the cockpit and the ground service panel.
Subtask 29-12-35-410-050
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 197EB. Subtask 29-12-35-865-052
C.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 2701GJ, 2702GJ.
CHECK VALVE, BLUE ELEC PUMP DELIVERY (2050GM) - REMOVAL/INSTALLATION
____________________________________________________________________
TASK 29-12-36-000-001
Removal of the Check Valve (2050GM) of the Blue Electric Pump
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 plugs No specific circuit breaker(s) safety clip(s) R No specific warning notices R No specific container 5.0 l (1.3208 USgal)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action
29-00-00-910-002 Safety Procedures of the Hydraulic System
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
29-12-36-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-12-36-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 123VU B HYD/ELEC PUMP 2701GJ AB09
Subtask 29-12-36-860-050
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Put the warning notices in position to tell persons not to pressurize the Blue hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Blue hydraulic system.
(3)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
R (5) Put a container below the HP manifold of the Blue hydraulic system. Subtask 29-12-36-010-050
C. Open the access door 195BB.
4. Procedure
_________ (Ref. Fig. 401/TASK 29-12-36-991-001) Subtask 29-12-36-020-050
A. Removal of the Check Valve CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
(1)
Hold the check valve (3) and loosen the end-fitting (2).
(2)
Remove the flexible pipe (1).
(3)
Hold the Tee-fitting (5) and loosen and remove the check valve (3).
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