1EFF : ALL 1 32-31-34Page 401 1 1 Feb 01/98 1 1 1CES 1 B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-864-001 Depressurize the Green Hydraulic System 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
Transfer Unit (PTU) R 32-00-00-860-001 Flight Configuration Precautions with Electrical R Power
32-12-00-010-001 Open the Main Gear Doors for Access
32-31-34-991-001 Fig. 401
3. Job Set-up
__________
Subtask 32-31-34-860-050
A. Aircraft Maintenance Configuration
(1)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001). Subtask 32-31-34-010-050
B. Get Access
(1)
Open the right MLG door (Ref. TASK 32-12-00-010-001).
Subtask 32-31-34-869-050
C. Disconnection of the Hydraulic System PTU
(1)
Disconnect the PTU isolation coupling (Ref. TASK 29-23-00-860-001).
(2)
Obey the flight configuration precautions (Ref. TASK 32-00-00-860-001).
(3)
Put the access platform in position.
(4)
Put a container below the L/G door selector valve 41GA to collect the hydraulic fluid leakage.
1EFF : ALL 1 32-31-34Page 402 1 1 Feb 01/05 1 1 1CES 1 Subtask 32-31-34-865-050
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R 49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 32-31-34-941-050
E. Safety Precautions
(1)
Put the warning notices in position to tell persons not to pressurize the Green hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Green hydraulic system.
(2)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
4. Procedure
_________
(Ref. Fig. 401/TASK 32-31-34-991-001)
Subtask 32-31-34-020-050
A. Removal of the L/G Door Selector Valve 41GA WARNING : WEAR GOGGLES WHEN YOU REMOVE OR INSTALL THE LOCKWIRE. CUT,
_______ REMOVE AND DISCARD THE LOCKWIRE AS YOU DO THE TASK. LOOSE LOCKWIRE CAN CUT OR BLIND YOU.
(1)
Disconnect the electrical connectors (3).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove and discard the lockwire from the screws (1). NOTE : The lockwire is only installed on the aft screws.
____
(4)
Remove the screws (1) and the washers (2).
(5)
Remove the L/G door selector valve (4) from the manifold (5).
1EFF : ALL 1 32-31-34Page 403 1 1 Feb 01/99 1 1 1CES 1
L/G Door Selector Valve 41GA
Figure 401/TASK 32-31-34-991-001
1EFF : ALL 1 32-31-34 Page 404
1 1 Feb 01/98
1 1
1CES 1
(6)
Remove and discard the seals (6).
(7)
Put blanking plugs on the disconnected line ends.
1EFF : ALL 1 32-31-34Page 405 1 1 Feb 01/98 1 1 1CES 1 TASK 32-31-34-400-001
Installation of the L/G Door Selector Valve 41GA
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______
YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
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.
_______
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
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