(6)
Make sure that the warning notices are in position to tell persons not to pressurize 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)
Make sure that the container is in position below the yaw damper.
(8)
Make sure that the rigging pin 98D27207516330, part of the RIGGING PIN SET (98D27207516000), or the PIN - RIGGING (98D27207549000) is in position in the yaw damper bellcrank. (Ref. Fig. 401/TASK 27-26-51-991-001)
Subtask 27-26-51-865-054
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------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
4. Procedure
_________
Subtask 27-26-51-420-051
A. Installation of the Servovalve
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(2)
Clean the component interface and/or the adjacent area.
(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Apply SPECIAL MATERIALS (Material No. 05-002) to the threads of the screws (12).
(5)
Lubricate the new O-ring (14) with HYDRAULIC FLUIDS (Material No. 02-003).
(6)
Install the O-ring (14) in the port of the servovalve (13).
(7)
Install the new lock washer (15) in the port of the servovalve (13).
1EFF : ALL 1 27-26-51Page 422 1 1 Aug 01/98R 1 1 1CES 1
(8)
Put the new base plate (10) in its installation position on the yaw damper (7).
(9)
Put the servovalve (13) on the base plate (10) and align the holes.
(10)
Install the screws (12) with the washers (11) to the servovalve (13) and the yaw damper (7).
(11)
TORQUE the screws (12) to 0.6 m.daN (53.09 lbf.in).
(12)
Safety the screws (12) with lockwire, corrosion-resistant steel, dia.
0.8 mm (0.032 in.).
Subtask 27-26-51-865-055
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CC1, 5CC2, 14CC1, 14CC2
Subtask 27-26-51-080-051
C. Preparation for the Test
R (1) Remove the rigging pin 98D27207516330, part of the RIGGING PIN SET R (98D27207516000), or the PIN - RIGGING (98D27207549000) from the yaw R damper bellcrank.
(2)
Remove the container.
(3)
Pressurize the reservoir of the Green and the Yellow hydraulic system (Ref. TASK 29-14-00-614-002).
Subtask 27-26-51-710-051
D. Test
(1)
Do an operational test of the yaw damper (Ref. TASK 22-63-00-710-001).
(2)
Do a visual check and make sure that there are no hydraulic leaks at the yaw damper.
5. Close-up________
Subtask 27-26-51-410-051-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 panels 325BL (for the servovalve on 3CC1) and/or 325BR (for the servovalve on 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 27-26-51-000-003
Removal of the Solenoid Valve
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
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