(9)
 Put an ACCESS PLATFORM 2M (6 FT) in position at the cargo compartment door 825.

 (10)
 Open the cargo compartment door 825.

 (11)
 Put an ACCESS PLATFORM 2M (6 FT) in position at the cargo compartment door 826.

 (12)
 Open the cargo compartment door 826.

 (13)
 Remove the cabin floor panels 241FF, 241BF (Ref. TASK 53-32-12-000-002).

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R  **ON A/C 301-399, 
R  Subtask 27-41-00-010-057-A 
R  B. Get Access 
R  (1) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the 
R  access door 312AR. 
R  (2) Open the access door 312AR. 
R  (3) Put an ACCESS PLATFORM 2M (6 FT) in position at the access door 811. 
R  (4) Open the access door 811. 
R  (5) Put an ACCESS PLATFORM 2M (6 FT) in position at the access door 812. 
R  (6) Open the access door 812. 
R  (7) Put an ACCESS PLATFORM 2M (6 FT) in position at the access door 824. 
R  (8) Open the access door 824. 
R  (9) Put an ACCESS PLATFORM 2M (6 FT) in position at the cargo compartment 
R  door 825. 
R  (10) Open the cargo compartment door 825. 
R  (11) Put an ACCESS PLATFORM 2M (6 FT) in position at the cargo compartment 
R  door 826. 
R  (12) Open the cargo compartment door 826. 
R  (13) In the FWD cargo compartment, remove the ceiling panel 131EC 
R  (Ref. TASK 25-54-12-000-002) 
R  and the partition 131PW (Ref. TASK 25-54-12-000-001). 
R  (14) Remove the recirculation filter, LH side (Ref. TASK 21-21-41-000-
R  001). 

R 1EFF : 301-399, 1 27-41-00Page 530 1 1 May 01/04 1 1 1CES 1R **ON A/C ALL

 Subtask 27-41-00-860-053
 C. Aircraft Maintenance Configuration
 (1)
 Make sure that the aircraft electrical circuits are de-energized (Ref. TASK 24-41-00-862-002).

 (2)
 Make sure that the air conditionning does not operate (Ref. TASK 12-33-21-618-001).

 (3)
 The aircraft must stay at least three hours in this configuration in order to get an uniform stabilized temperature.

 (4)
 Make sure that there is no neon light on, near the cable, in the cable routing zone.

 (5)
 Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 (6)
 Pressurize the Green and Yellow hydraulic systems (Ref. TASK 29-23-00-863-001) and (Ref. TASK 29-24-00-863-001).

 (7)
 Operate the THS fully more than ten times and put it in the zero position.

 (8)
 On the center pedestal, make sure that the pitch-trim control-wheels are set to zero.

 (9)
 Put a warning notice on the pitch-trim control wheels to tell persons not to use the pitch trim.

 (10)
 Install the PIN - RIGGING (0U190360) (5) on the input shaft of the THS Actuator (1).

 (11)
 Depressurize the Green and Yellow hydraulic systems (Ref. TASK 29-23-00-864-001) and (Ref. TASK 29-24-00-864-001).

 (12)
 De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 4. Procedure
_________
 (Ref. Fig. 505/TASK 27-41-00-991-006, 506/TASK 27-41-00-991-008)
 Subtask 27-41-00-820-052
 A. Adjustment of the THS Control Cables
 (1)
 Measure the ambient temperature with a thermometer.

 (2)
 Use the adjustment graph to find the position of the index of the tension regulator (2) in relation to the measured ambient temperature.

 (3)
 Bend the two cables to the same value and release them quickly. When you release the cables, make sure that the movable pulley bracket of the tension regulator (2) moves easily (it must not be caught).

 (4)
 Remove the locking clips from the turnbuckles (3).

 (5)
 Turn the 2 turnbuckles (3) by the same value to adjust the tension of the cable loop so that :

 -The position of the index (4) of the tension regulator (2) agrees with the values found on the graph with a tolerance of + or - 1 graduation (+ or - 5.C).
 -You can install the locking clips on the turnbuckles (3).
 -The pitch-trim control-wheels stay at zero.

 (6)
 If you cannot adjust the control cables, do a visual inspection of the pulleys and the tension regulator (2).
　
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