5. Close-up________
R Subtask 27-26-17-410-050-A
R A. Close Access
R (1) Make sure that the work area is clean and clear of tool(s) and other
R items.
R (2) Close the access panels 325BL, 325BR at the trailing edge of the
R vertical stabilizer (Ref. TASK 55-33-13-410-002).
R (3) Remove the warning notice(s).
R (4) Remove the access platform(s).
CENTERING SPRING ROD - YAW DAMPER SERVO ACTUATOR - REMOVAL/INSTALLATION
_______________________________________________________________________ TASK 27-26-41-000-001 Removal of the Centering Spring Rod for the Actuator of the Yaw Damper Servo 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 circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platform 11.0 m (36 ft. 1 in.)
R 98D27207516000 1 RIGGING PIN SET R 98D27207549000 1 PIN - RIGGING
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-10-00-863-003 Pressurize the Blue Hydraulic System with a Ground
Power Supply 29-10-00-864-003 Depressurize the Blue Hydraulic System 55-33-13-010-002 Opening/Removal of the Trailing Edge Access-Panels
325EL, 325ER, 325DL, 325DR, 325CL, 325CR, 325BL and 325BR 27-26-41-991-001 Fig. 401
3. Job Set-up
__________
Subtask 27-26-41-860-051
A. Aircraft Maintenance Configuration
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES
_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Pressurize the Blue hydraulic system with the electric pump. (Ref. TASK 29-10-00-863-003)
R (3) Put the rudder pedals in the neutral position
(4)
Make sure that the RUD TRIM indicator on the panel 110VU of the center pedestal shows zero.
(5)
Release the FLT CTL/FAC 1 pushbutton switch on the overhead panel 23VU and the OFF legend comes on.
(6)
Release the FLT CTL/FAC 2 pushbutton switch on the overhead panel 24VU and the OFF legend comes on.
(7)
Put the warning notices in the cockpit to tell persons not to operate
the flight controls.
(8)
Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003).
Subtask 27-26-41-865-050
R B. 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/FAC2/28VDC 5CC2 M19 121VU AUTO FLT/FAC2/26VAC 14CC2 M18
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