(4)
 Make sure that the access door 312AR is open.

 (5)
 Make sure that the rudder pedals are in the neutral position.

 (6)
 Make sure that the RUD TRIM indicator on the center pedestal, on the panel 110VU shows 0.

 (7)
 Make sure that the warning notices are in position in the cockpit to tell persons not to operate the flight controls.

 (8)
 Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration. (Ref. TASK 29-00-00-864-001).

 1EFF : ALL 1 27-21-47Page 412 1 1 May 01/02R 1 1 1CES 1

R R  (9) Make sure that the aircraft electrical circuits are de-energized (Ref. TASK 24-41-00-862-002). 
R R R R R R  (10) Make sure that the warning notices are 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, Yellow and Blue hydraulic systems. 
R R  (11) Make sure that the PIN - RIGGING (98D27207546000) (71) is in position in the bellcrank of the servo actuator 1025GM. 
R R  (12) Make sure that the PIN - RIGGING (98D27207547000) (70) is in position in the rudder cable quadrant.
 Subtask 27-21-47-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL  DESIGNATION  IDENT. LOCATION
 -------------------------------------------------------------------------------
49VU AUTO FLT/FAC1/28VDC 49VU AUTO FLT/FAC1/26VAC 121VU AUTO FLT/RUDDER/TRIM/IND 121VU AUTO FLT/FAC2/28VDC 121VU AUTO FLT/FAC2/26VAC  5CC1 14CC1 15CC 5CC2 14CC2  B04B03M20M19M18
 Subtask 27-21-47-210-050
 C. Examination of the Work Area, the Attachment Components and the Replacement Rudder Control Frame
 (1) Clean the interface of the support brackets (25) and the links (47) with CLEANING AGENTS (Material No. 11-002) and let them dry.
 (2) Examine the work area.
 (a) Make sure that: - the structure, - the paintwork, - the hydraulic pipelines, - the electrical cables, - the control rods (2),(3), - the bonding straps (34),(43), - the links (47), - the support beams (52),(53) are clean and show no damage.

 (3) Examine the attachment components.
 (a)
 Cut and remove the lockwire which temorarily safetied the sliding bushes (48) in the links (47).

 (b)
 Remove the sliding bushes (48).

 (c)
 Make sure that:

 -
the nuts (21),(39),(45),(56),(57),

 -
the bolts (24),(35),(49),(54),(59),

 -
the screws (32),(41),

 -
the bushes (48),
 are clean and show no damage.

 (d) Make sure that the flanged bushes are tight in the links (47). NOTE : Safety the flanged bushes in the links (47), if necessary,
____ with BONDING AND ADHESIVE COMPOUNDS (Material No. 08-029).
 (4) Examine the replacement rudder control frame (1).
 (a)
 Make sure that the rudder control frame (1) is serviceable.

 (b)
 Cut and remove the lockwire which temporarily safetied the sliding bushes (23) at the top connection positions.

 NOTE : The left connection position has one sliding bush (23),
____ the right connection position has two sliding bushes (23).
 (c)
 Cut and remove the lockwire which temporarily safetied the sliding bush (27) in the bellcrank (28).

 (d)
 Cut and remove the lockwire which temporarily safetied the sliding bush (36) in the lever arm (37).

 (e)
 Remove the bushes (23),(27),(36).

 (f)
 Make sure that the bushes (23),(27),(36) are clean and show no damage.

 (g)
 Make sure that the flanged bushes are tight in the attachment positions, the bellcrank (28) and the lever arm (37).

 NOTE : Safety the flanged bushes, if necessary, with BONDING AND
____
 ADHESIVE COMPOUNDS (Material No. 08-029).

 (h)
 Make sure that the control rods (50),(51) are correctly connected to the rudder control frame (1).

 (i)
 Apply COMMON GREASE (Material No. 04-004) to the bearings of the rudder control frame (1), if necessary.

 4. Procedure
_________
 (Ref. Fig. 402/TASK 27-21-47-991-002)
 Subtask 27-21-47-640-050
 A. Preparation for Installation
 WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM FLIGHT CONTROLS 飛行操縱2(47)