3. Job Set-up
__________
(Ref. Fig. 401/TASK 27-44-51-991-001)
Subtask 27-44-51-010-050
A. Get Access
(1)
Put the access platform in position.
(2)
Open the access door 312AR.
Subtask 27-44-51-860-050
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
R (1) Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002)
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL
_______ SURFACES ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
R Job Set-Up Figure 401/TASK 27-44-51-991-001
1EFF : 1 1 1CES ALL 1 111 27-44-51 Page 403 May 01/03
(2)
Pressurize the Green and the Yellow hydraulic systems (Ref. TASK 29-23-00-863-001) and (Ref. TASK 29-23-00-863-002).
(3)
Turn the pitch-trim control wheel in the flight compartment and put the THS actuator (1) to the zero position.
(4)
Depressurize the Green and Yellow hydraulic systems and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(5)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(6)
Depressurize the reservoirs of the Green and Yellow hydraulic
systems.
(Ref. TASK 29-14-00-614-001).
(7)
Put the warning notices 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, the Yellow and the Blue hydraulic systems.
(8)
If hydraulic pressure is not available use the manual drive input and move the THS actuator (1) to the zero position.
(9)
Put the TOOL - MANUAL CRANKING STOP, THS ACTUATOR (0U145920) in
position on the screw of the THS actuator (1).
(10)
Use the RELEASE TOOL - PRESSURE-OFF BRAKE, THS ACTUATOR (0U190844) and a 1/2 inch socket to position the THS actuator (Ref. TASK 27-44-51-710-001).
(11)
Put the warning notices in the flight compartment to tell persons not to operate the pitch controls.
(12)
Put the PIN - RIGGING (0U190360) in the mechanical input of the THS actuator (1).
(13)
Put the TOOL - ZERO POSITIONING, THS ACTUATOR (0U190834) between the THS actuator (1) and the nut assembly (2).
(14)
Put the SUPPORT STRUT - R/I THS ACTUATOR (98D27407502000) in position and set the THS in the 0 deg. position.
(15)
Put the PITCH TRIM CONTROL LOCKING (98D27403500000) on the pitch-trim control wheel in the flight compartment.
(16)
Put the structural protection material in the area of the THS actuator (1) to prevent damage to the aircraft structure.
Subtask 27-44-51-865-050
R C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11
49VU FLIGHT CONTROLS/THS/ACTR/MOT2 19CE2 B09 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 121VU FLIGHT CONTROLS/THS ACTR/MOT3 19CE3 Q17 121VU FLIGHT CONTROLS/THS ACTR/MOT1 19CE1 Q16
4. Procedure
_________ (Ref. Fig. 402/TASK 27-44-51-991-002, 403/TASK 27-44-51-991-003, 404/TASK 27-44-51-991-014, 405/TASK 27-44-51-991-004, 406/TASK 27-44-51-991-005) Subtask 27-44-51-020-050
A. Removal of the THS Actuator
(1)
Disconnect the bonding straps (20),(21),(22) from the THS actuator
(1
)
(Ref. Fig. 402/TASK 27-44-51-991-002)
(a)
Remove the nuts (25), the washers (24) and the bolts (23).
(b)
Disconnect the bonding straps (20),(21),(22) from the brackets (26),(27),(28).
(c)
Safety the bonding straps (20),(21),(22) clear of the THS actuator (1).
(2)
Disconnect the mechanical system link-plate (29) from the input lever
(30)
of the THS actuator (1)
(Ref. Fig. 402/TASK 27-44-51-991-002)
(a)
Remove and discard the cotter pins (37).
(b)
Remove the nuts (38), the washers (39) and the bolts (40).
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