-AFS-Test (Ref. TASK 22-96-00-710-001) and Land-Test (Ref. TASK 22-97-00-710-001).
(2) Do a visual check and make sure that there are no hydraulic leaks at the yaw damper.
5. Close-up________
Subtask 27-26-51-410-050-A
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
R R R (2) Close the access panel 325BL (for 3CC1) and/or 325BR (for 3CC2) at the trailing edge of the vertical stabilizer (Ref. TASK 55-33-13-410-002).
(3) Remove the warning notice(s).
(4) Remove the access platform(s).
TASK 27-26-51-000-002
Removal of the Servovalve
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.
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 container 3.0 l (0.7925 USgal)
No specific adjustable platform 6.0 m (19 ft. 8 in.)
98D27207516000 1 RIGGING PIN SET
98D27207549000 1 PIN - RIGGING
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
R 55-33-13-010-002 Opening/Removal of the Trailing Edge Access-Panels R 325EL, 325ER, 325DL, 325DR, 325CL, 325CR, 325BL and R 325BR
27-26-51-991-001 Fig. 401
27-26-51-991-002 Fig. 402
3. Job Set-up
__________
Subtask 27-26-51-860-058
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.
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Put the warning notices in the flight compartment to tell persons not to operate the flight controls.
(3)
Depressurize the Green and the Yellow hydraulic systems and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(5)
Depressurize the reservoir of the Green and the Yellow hydraulic system (Ref. TASK 29-14-00-614-001).
(6)
Put the warning notices in position to tell persons not to operate the Green, the Yellow and the Blue hydraulic systems:
-in the cockpit on the hydraulic section 40VU of the overhead panel,
- on the ground service panels of the Green, Yellow and Blue hydraulic systems.
(7)
Put a container below the yaw damper.
(8)
Put the rigging pin 98D27207516330, part of the RIGGING PIN SET (98D27207516000), or the PIN - RIGGING (98D27207549000) in the yaw damper bellcrank. (Ref. Fig. 401/TASK 27-26-51-991-001)
Subtask 27-26-51-010-051-A
B. Get Access
(1) Put the adjustable platform in position.
R (2) Open the access panels 325BL (for the servovalve on 3CC1) and/or R 325BR (for the servovalve on 3CC2) at the trailing edge of the R vertical stabilizer (Ref. TASK 55-33-13-010-002).
Subtask 27-26-51-865-053
C. 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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