(2)
Install the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) (Ref. TASK 27-00-00-480-002) on the slat/flap control lever.
Subtask 27-54-53-865-053
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21
Subtask 27-54-53-010-051
C. Open the main doors of the main gear (Ref. TASK 32-12-00-010-001).
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Subtask 27-54-53-860-051
D. Aircraft Maintenance Configuration
(1)
Put the access platform in position at the opening of the main gear main door.
(2)
Make sure that the Green and the Yellow hydraulic systems are depressurized and put them in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoirs of the Green and the Yellow hydraulic systems (Ref. TASK 29-14-00-614-001).
(4)
Put the warning notice in position to tell persons not to pressurize the hydraulic systems.
(5)
Put a container in position below the valve block (12).
4. Procedure
_________
(Ref. Fig. 402/TASK 27-54-53-991-002) Subtask 27-54-53-020-051
A. Removal of the Solenoid Valves CAUTION : DO NOT INSTALL THE REMOVED SOLENOID VALVES WITH THE PARTNUMBER
_______ 903A0000-01 ON THE WING TIP BRAKE. THIS CAN CAUSE MALFUNCTION OF THE WING TIP BRAKE.
(1)
Remove the bolts (4) and the washers (5).
(2)
Install one of the bolts (4) in hole "A" in the solenoid valve (1).
(3)
Use this bolt and carefully remove the solenoid valve (1) from the valve block (12).
(4)
Remove the bolt (4) from hole "A" in the solenoid valve (1).
(5)
Remove and discard the O-rings (9),(10),(15),(16) and the back-up rings (7),(6) from the solenoid valve (1).
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Solenoid Valve Figure 402/TASK 27-54-53-991-002
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TASK 27-54-53-400-002
Installation of the Solenoid Valves of the Power Control Unit (Flap)
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 retract solenoid valve of the valve
____ block 23CV is specified. The removal procedure for the extend solenoid valve, the brake solenoid valve and the solenoid valves of the valve block 24CV are 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 3.0 m (9 ft. 10 in.)
R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft) 98D27803000000 1 LOCKING TOOL - FLAP/SLAT CONTROL LEVER
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
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