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
R 29-10-00-863-003 Pressurize the Blue Hydraulic System with a Ground
R Power Supply 29-10-00-864-003 Depressurize the Blue Hydraulic System -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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
27-21-49-991-001 Fig. 401
3. Job Set-up
__________
Subtask 27-21-49-865-053
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------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 27-21-49-860-052
B. 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)
(3)
Put the rudder pedals in the neutral position.
(4)
On the center pedestal, on the panel 110VU, make sure that the RUD TRIM indicator shows zero.
(5)
On the overhead panel 23VU, release the FLT CTL/FAC 1 pushbutton switch and the OFF legend comes on.
(6) On the overhead panel 24VU, release the FLT CTL/FAC 2 pushbutton switch and the OFF legend comes on.
(7) Depressurize the Blue hydraulic system (Ref. TASK 29-10-00-864-003)
Subtask 27-21-49-865-050
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/RUDDER/TRIM/IND 15CC M20 121VU AUTO FLT/FAC2/28VDC 5CC2 M19 121VU AUTO FLT/FAC2/26VAC 14CC2 M18
Subtask 27-21-49-860-051
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 flight controls. - the Green, the Yellow or the Blue hydraulic systems.
R Subtask 27-21-49-010-050-A
R E. Get Access
R R (1) Put the access platform in position at the right side of the vertical stabilizer.
R R (2) Open the access panel 325CR and remove the access panel 325DR (Ref. TASK 55-33-13-010-002).
Subtask 27-21-49-480-050
F. Installation of the Rigging Pins
(1)
Put the PIN - RIGGING (98D27207546000) (22) in the bellcrank assembly of the servo control 1025GM (1).
(2)
Put the PIN - RIGGING (98D27207545000) (21) in the bellcrank assembly of the travel limitation unit 4CC.
4. Procedure
_________
(Ref. Fig. 401/TASK 27-21-49-991-001) Subtask 27-21-49-020-050
A. Removal of the Spring Rod NOTE : Identify the position of the spring rod (3) so that it will be
____
installed in the same direction.
(1)
Remove the spring rod (3) from the input lever (2) as follows:
(a)
Remove and discard the cotter pin (11).
(b)
Remove the nut (10), the washer (9), the bush (6) and the bolt (5).
(c)
Move the end of the spring rod (3) clear of the input lever (2).
(2)
Disconnect the spring rod (3) from the lever shaft (4) as follows:
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