(5)
Put the warning notice in position to tell persons not to pressurize
the hydraulic
(6)
Put a container in position below the valve block (1).
4. Procedure
_________
(Ref. Fig. 403/TASK 27-84-53-991-003) Subtask 27-84-53-020-052
A. Removal of the Filter.
(1)
Cut, remove and discard the lockwire.
(2)
Remove the filter (3) from the valve block (1).
(3)
Remove and discard the O-ring (2) from the filter (3).
Filter
Figure 403/TASK 27-84-53-991-003
1EFF : ALL 1 27-84-53 Page 428
1 1 Feb 01/98
1 1
1CES 1
TASK 27-84-53-400-003
Installation of the Filters of the Valve Blocks
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A 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.
NOTE : The installation procedure for the filter of the valve block 26CV is
____ specified. The installation procedure for the filter of the valve block 25CV is almost the same. If there are differences in the procedures, they are specified.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container No specific warning notice No specific access platform 2.2 m (7 ft. 3 in.) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft) 98D27803000000 1 LOCKING TOOL - FLAP/SLAT CONTROL LEVER
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
No specific lockwire, corrosion-resistant steel dia 0.6 mm (0.24 in.)
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
O-ring 27-84-53 01 -060
D. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart 27-00-00-080-002 Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000) 27-00-00-480-002 Installation of the Flap/Slat Control-Lever Locking
Tool (98D27803000000) 27-84-00-710-001 Operational Test of the Slat System 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector
32-12-00-410-001 Close the Main Gear Doors after Access
3. Job Set-up
__________ Subtask 27-84-53-860-061
A. Aircraft Maintenance Configuration
(1)
Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) is installed (Ref. TASK 27-00-00-480-002) on the slat/flap control lever.
(2)
Make sure that the access platform is in position at the opening of the main door of the main gear.
(3)
Make sure that the Green and the Blue hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the the reservoirs of the Green and the Blue hydraulic systems are depressurized (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the warning notice in position to tell persons not to pressurize the hydraulic systems.
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