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TASK 32-42-21-000-001
Removal of the Normal-Brake Pressure Transducer
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
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GEAR.
1. Reason for the Job
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R R Self Explanatory
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific blanking plug
No specific circuit breaker(s) safety clip(s)
No specific safety barriers
No specific warning notice
No specific access platform 2.5 m (8 ft. 2 in.)
No specific container 2 l (0.5283 USgal)
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B. Referenced Information
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REFERENCE DESIGNATION
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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 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
Transfer Unit (PTU) 32-00-00-481-001 Installation of the Safety Devices on the Landing Gears 32-42-21-991-001 Fig. 401
3. Job Set-up
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Subtask 32-42-21-941-050
A. Safety Precautions
R (1) Put the safety barriers in position.
(2)
Make sure that the ground safety locks are on the landing gear (Ref. TASK 32-00-00-481-001).
(3)
On the panel 400VU:
-make sure that the landing-gear control-lever 6GA is in the DOWN position
-put a warning notice in position to tell persons not to operate the landing gear.
(4)
Put a warning notice on the ground service connection to tell persons not to pressurize the Green and Yellow hydraulic system.
Subtask 32-42-21-860-051
B. Aircraft Maintenance Configuration
(1)
Put an access platform in position at zone 733, 743.
(2)
Put a container below the pressure transducer.
(3)
Disconnect the isolation coupling of the PTU (Ref. TASK 29-23-00-860-001).
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(4)
Make sure that the Yellow and Green hydraulic systems are de-pressurized (Ref. TASK 29-00-00-864-001).
(5)
Make sure that the applicable hydraulic reservoirs have been depressurized (Ref. TASK 29-14-00-614-001).
Subtask 32-42-21-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
4. Procedure
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(Ref. Fig. 401/TASK 32-42-21-991-001)
Subtask 32-42-21-020-050
A. Removal of the Normal Brake Pressure-Tranducer
(1) Disconnect the electrical connector (1).
(2) Put blanking caps on the disconnected electrical connectors. R (3) Remove the screws (4) and the pressure transducer (2).
(4)
Collect the hydraulic fluid in the container.
(5)
Remove and discard the seal (3).
(6)
Put a blanking plug in the opening of the normal brake manifold and the pressure transducer.
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R Normal-Brake Pressure Transducer Figure 401/TASK 32-42-21-991-001
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TASK 32-42-21-400-001
Installation of the Normal-Brake Pressure Transducer
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