-
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 flush the Blue hydraulic system after a failure in that part of the slat PCU 6001CM.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific adaptor
No specific blanking plugs
No specific hydraulic power cart
No specific safety barriers
No specific union
No specific warning notices
No specific access platform 2.00 m (6 ft. 7 in.)
No specific access platform 2.5 m (8 ft. 2 in.)
No specific container 5 l (1.3208 USgal)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
29-00-00-910-002 Safety Procedures of the Hydraulic System
R 29-10-00-863-003 Pressurize the Blue Hydraulic System with a Ground
R Power Supply 29-10-00-864-003 Depressurize the Blue Hydraulic System 29-12-44-610-001 Servicing of the LP-Filter (2002GM) 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 12-36-29-991-010 Fig. 310
3. Job Set-up
__________
(Ref. Fig. 310/TASK 12-36-29-991-010)
Subtask 12-36-29-860-077
A. Aircraft Maintenance Configuration
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
(3)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
(4)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
Subtask 12-36-29-010-093
B. Get Access
(1)
Open the left MLG door (Ref. TASK 32-12-00-010-001).
(2)
Open the access doors 197EB, 197FB.
Blue Hydraulic System of the Slat PCU 6001CM - Flushing Schematic
Figure 310/TASK 12-36-29-991-010
Subtask 12-36-29-860-078
C. Preparation for the Flushing Procedure
(1)
Put the warning notices in position.
(2)
Put the safety barriers in position.
(3)
Put the access platform in position at the Zone 147.
(4)
Put the access platform at the Zone 197.
(5)
Put a container to collect the hydraulic fluid leakage below:
-
the slat PCU 6001CM,
-
the LP filter 2002GM.
(6)
Disconnect the case drain line from the motor in the Blue hydraulic system of the slat PCU 6001CM.
(7)
Disconnect the pressure line from the valve block 25CV in the Blue hydraulic system of the slat PCU 6001CM.
(8)
Disconnect the case drain line from the LP filter 2002GM.
(9)
Connect the pressure line to the case drain line at the slat PCU 6001CM with an union.
CAUTION : MAKE SURE THAT THE FLOW RATE AND THE SUPPLY PRESSURE ON THE
_______ GROUND HYDRAULIC CART ARE SET TO A MINIMUM.
(10)
Put the hydraulic power cart in position as necessary.
(11)
Connect the pressure hose of the hydraulic power cart to the delivery connector 2008GM with an adaptor.
(12)
Connect the return hose of the hydraulic power cart to the case drain line with an adaptor.
(13)
Put blanking plugs on the disconnected line ends.
4. Procedure
_________ (Ref. Fig. 310/TASK 12-36-29-991-010) Subtask 12-36-29-170-059
A. Flush the Blue hydraulic system.
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