R R (11) Put the WARNING NOTICE in position to tell persons not to operate the Green, the Blue and the Yellow 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.
(12) Put the PIN - RIGGING (98D27207547000) (1) in the rudder cable quadrant.
(13) Put the PIN - RIGGING (98D27207548000) (2) in the bellcrank of the rudder control unit.
(14) Remove and discard the lockwire from the blanking plug (4).
(15) Remove the blanking plug (4) from the rigging hole of the rudder trim actuator (10).
(16) Install the PIN - LOCKING (6137-013) (3) in the rigging hole of the rudder trim actuator (10).
(17) Install the blanking plug (4) in the storage hole of the rudder trim actuator (10).
Subtask 27-22-51-860-061
D. Aircraft Maintenance Configuration
R R NOTE : The subsequent worksteps are necessary if you remove the____ electronic assembly of a rudder trim actuator with the part number 6137-4 or 6137-5.
(1) Energize the aircraft electrical circuits. (Ref. TASK 24-41-00-861-002)
R (2) Pressurize the Blue hydraulic system
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL_______ SURFACES ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
R
R R (a) 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 0.
(5)
Depressurize the Blue hydraulic system and put it in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(6)
Make sure that the Green and Yellow hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(7)
On the overhead panel 23VU, release the FLT CTL/FAC 1 pushbutton switch. The OFF legend comes on.
(8)
On the overhead panel 24VU, release the FLT CTL/FAC 2 pushbutton switch. The OFF legend comes on.
R (9) Put the WARNING NOTICE in the flight compartment to tell persons not to operate the flight controls.
(10) De-energize the aircraft electrical circuits. (Ref. TASK 24-41-00-862-002)
R (11) Put the WARNING NOTICE in position to tell persons not to operate the R Green, the Blue and the Yellow 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.
(12)
Install the subsequent rigging pins:
(Ref. Fig. 402/TASK 27-22-51-991-004)
(a)
Put the PIN - RIGGING (98D27207547000) (17) in the rudder cable quadrant.
(b)
Put the PIN - RIGGING (98D27207548000) (18) in the bellcrank of the rudder control unit.
(13)
Cut, remove and discard the lockwire from the plug in the rigging hole of the rudder trim actuator (2).
(14)
Remove the plug from the rigging hole of the rudder trim actuator (2).
(15)
Install the locking pin (1) in the rigging hole of the rudder trim actuator (2).
Subtask 27-22-51-865-053
E. Open, safety and tag this(these) circuit breaker(s):
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