(3)
Remove the access platform from below the ground service panel of the Green hydraulic system.
(4)
De-energize the aircraft electrical circuits ((Ref. TASK 24-41-00-862-002).
(5)
Remove the warning notice(s). Subtask 29-16-42-410-051
B.
Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel 197BB.
MANUAL SELECTOR VALVE - RESERVOIR FILLING (1134GQ) - REMOVAL/INSTALLATION
_________________________________________________________________________ TASK 29-16-51-000-001 Removal of the Manual Selector Valve (1134GQ)
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 caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 1.76 m (5 ft. 9 in.)
No specific container 3.0 l (0.7925 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 29-16-51-991-001 Fig. 401
3. Job Set-up
__________ Subtask 29-16-51-860-052
A. 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 notice in position to tell persons not to pressurize the hydraulic systems:
-in the cockpit on the hydraulic section 40VU of the overhead panel.
(3)
Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoirs of the Green ,Yellow and Blue hydraulic systems (Ref. TASK 29-14-00-614-001).
(5)
Put the container below the hydraulic connections to collect the hydraulic fluid.
Subtask 29-16-51-010-050
B. Get Access
(1)
Remove the access panel 197BB.
(2)
Put the access platform in position below the ground service panel of the Green hydraulic system.
Subtask 29-16-51-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35
4. Procedure
_________ (Ref. Fig. 401/TASK 29-16-51-991-001) Subtask 29-16-51-020-050
A. Removal of the Manual Selector 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)
Disconnect the electrical connector (1) from the receptacle (2).
(2)
Put blanking caps on the disconnected electrical connector (1) and on
the receptacle (2).
(3)
Loosen the union nut (3) and disconnect the pipe from the adapter (4) installed in port Y of the valve assembly (17).
(4)
Loosen the union nut (20) and disconnect the pipe from the adapter
(19) installed in port G of the valve assembly (17).
(5)
Loosen the union nut (10) and disconnect the pipe from the adapter
(11) installed in port A of the valve assembly (17).
(6)
Loosen the union nut (9) and disconnect the pipe from the adapter (8) installed in port B of the valve assembly (17).
(7)
Put blanking plugs on the disconnected line ends.
(8)
Remove the nuts (13), the screw (16) and the washer (15) and
disconnect the bonding jumper (14) from the manual selector (17).
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