(8)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R **ON A/C 151-199, 401-499,
Subtask 27-92-16-410-050-A
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the sidewall panel:
FOR 12CE1, 12CE3
131GW
FOR 12CE2, 12CE4
132KW
(3)
Close the access door 825.
(4)
Install the protective cover on the battery power center 105VU.
(5)
Tighten the two screws.
(6)
Close the access door 822.
(7)
Remove the access platform(s).
(8)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
PRESSURE SWITCH - HYDRAULIC, FLIGHT CONTROL (10CE1,10CE2,10CE3)
_______________________________________________________________ REMOVAL/INSTALLATION
____________________
TASK 27-92-17-000-001
Removal of the Flight Control Pressure Switch (10CE2)
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking cap No specific blanking plugs No specific circuit breaker(s) safety clip(s) No specific container No specific warning notices
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-00-00-910-002 Safety Procedures of the Hydraulic System 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) 32-12-00-010-001 Open the Main Gear Doors for Access 27-92-17-991-001 Fig. 401
3. Job Set-up
__________ Subtask 27-92-17-010-050
A. Open one main door of the main gear (Ref. TASK 32-12-00-010-001). Subtask 27-92-17-860-050
B. Aircraft Maintenance Configuration WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES
_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).
(4)
Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).
Subtask 27-92-17-941-050
C. Safety Precautions
(1)
Put the warning notices in position to tell persons not to pressurize the Green hydraulic system:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Green hydraulic system.
(2)
Put the container in position below the flight control pressure switch to collect hydraulic fluid.
Subtask 27-92-17-865-050
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11
49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 R 105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02 R 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 R
121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
4. Procedure
_________
(Ref. Fig. 401/TASK 27-92-17-991-001)
Subtask 27-92-17-020-050
A. Removal of the Flight Control Pressure Switch 10CE2
(1)
Disconnect the electrical connector (1).
(2)
Put a blanking cap on the disconnected electrical connector (1).
(3)
Remove the nut (5), the washer (6), the screw (8), the bonding strap
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