D. 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 position to tell persons not to operate the hydraulic systems.
(4)
Put the rigging pin 98D27207516330, part of RIGGING PIN SET (98D27207516000), or the PIN - RIGGING (98D27207549000) in the yaw damper bellcrank.
4. Procedure
_________
(Ref. Fig. 401/TASK 27-26-41-991-001) Subtask 27-26-41-020-050
A. Removal of the Centering Spring Rod
(1)
Disconnect the spring rod (2) from the lever (3) as follows:
(a)
Remove and discard the cotter pin (21).
(b)
Remove the nut (20), the washer (19), the bush (5) and the bolt (15).
(2)
Disconnect the spring rod (2) from the lever arm (1) as follows:
(a)
Remove and discard the cotter pin (10).
(b)
Hold the spring rod (2) in position and remove the nut (9), the washer (8), the bush (16) and the bolt (4).
(3)
Move the spring rod (2) clear of the lever arm (1) and the lever (3).
R Centering Spring Rod Figure 401/TASK 27-26-41-991-001
1EFF : 1 1 1CES ALL 1 111 27-26-41 Page 405 Aug 01/01
TASK 27-26-41-400-001
Installation 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.
WARNING : PRESSURIZE ONLY THE HYDRAULIC SYSTEM(S) THAT IS (ARE) NECESSARY FOR
_______ THE TASK. ISOLATE THE OTHER HYDRAULIC SYSTEM(S) BEFORE YOU SUPPLY HYDRAULIC POWER TO THE AIRCRAFT.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notices
No specific adjustable access platform 11.0 m (36 ft. 1 in.) R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
98D27207516000 1 RIGGING PIN SET
98D27207549000 1 PIN - RIGGING
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire, corrosion-resistant steel 0.8 mm (0.032 in.)
R Material No. 04-004 USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00) Material No. 05-002 USA MIL-P-8116 PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00) Material No. 05-027 USA MIL-L-81309 RUST INHIBITOR(FOR CORROSION USE 15-004) (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
10 cotter pin 27-26-04 01 -050 21 cotter pin 27-26-04 01 -050
D. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
27-24-00-710-001 Operational Test of the Rudder Hydraulic Actuation 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
55-33-13-010-002 Opening/Removal of the Trailing Edge Access-Panels 325EL, 325ER, 325DL, 325DR, 325CL, 325CR, 325BL and 325BR
55-33-13-410-002 Closing/Installation of the Trailing Edge Access-Panels 325EL, 325ER, 325DL, 325DR, 325CL, 325CR, 325BL and 325BR
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