(2)
Put the rudder pedals in the neutral position.
(3)
Make sure that the RUD TRIM indicator on the panel 110VU of the center pedestal shows zero.
(4)
Release the FLT CTL/FAC 1 pushbutton switch on the overhead panel 23VU and the OFF legend comes on.
(5)
Release the FLT CTL/FAC 2 pushbutton switch on the overhead panel 24VU and the OFF legend comes on.
(6)
Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
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Subtask 27-23-51-865-054
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FAC1/28VDC 5CC1 B04 49VU AUTO FLT/FAC1/26VAC 14CC1 B03 121VU AUTO FLT/RUDDER/TRIM/IND 15CC M20 121VU AUTO FLT/FAC2/28VDC 5CC2 M19 121VU AUTO FLT/FAC2/26VAC 14CC2 M18
Subtask 27-23-51-860-052
E. Aircraft Maintenance Configuration
(1)
Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration. (Ref. TASK 29-00-00-864-001)
(2)
De-energize the aircraft electrical circuits. (Ref. TASK 24-41-00-862-002)
(3)
Put the warning notices in the flight compartment to tell persons not to operate the flight controls.
Subtask 27-23-51-010-051
F. Get Access
(1)
Put the access platform in position below zone 325.
(2)
Open the access panels 325DL and 325CL or 325DR and 325CR at the trailing edge of the vertical stabilizer.
Subtask 27-23-51-480-051
G. Installation of the Rigging Pins
(Ref. Fig. 402/TASK 27-23-51-991-002)
(1)
Put a PIN - RIGGING (98D27207545000) (4) in the bellcrank assembly for the travel limitation unit (1).
(2)
Put a PIN - RIGGING (98D27207545000) and a PIN - RIGGING (98D27207545000) (4) in each lever of the travel limitation unit (1).
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Electronic Module Figure 402/TASK 27-23-51-991-002
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4. Procedure
_________ Subtask 27-23-51-020-051
A. Removal of the Electronic Module
(1)
Cut and remove the lockwire which safeties the captive bolts (3).
(2)
Loosen the captive bolts (3).
(3)
Remove the electronic module (2) from the travel limitation unit (1).
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TASK 27-23-51-400-002
Installation of the Electronic Module of the Rudder Travel Limitation Unit
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.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific lint-free cloth No specific warning notices No specific adjustable access platform 8.0 m (26 ft. 3 in.) 98D27207545000 2 PIN - RIGGING
B. Consumable Materials
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