A320飞机维护手册 AMM FLIGHT CONTROLS 飞行操纵2(52)

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R  A. Aircraft Maintenance Configuration 
R  (1) Make sure that the access platform is in position at zone 325. 
R  (2) Make sure that the access panel 325DL is open and the access panel 
R  325DR is removed (Ref. TASK 55-33-13-010-002). 
R  (3) Make sure that the rudder pedals are in the neutral position. 
R  (4) Make sure that the RUD TRIM indicator on the center pedestal, on the 
R  panel 110VU shows 0. 
R  (5) Make sure that the warning notices are in position in the cockpit to 
R  tell persons not to operate the flight controls. 
R  (6) Make sure that the hydraulic systems are depressurized and put them 
R  in the maintenance configuration. 
R  (Ref. TASK 29-00-00-864-001). 
R  (7) Make sure that the aircraft electrical circuits are de-energized 
R  (Ref. TASK 24-41-00-862-002). 
R  (8) Make sure that the warning notices are in position to tell persons 
R  not to pressurize the Green, the Yellow and the Blue hydraulic 
R  systems: 
R  - in the cockpit on the hydraulic section 40VU of the overhead panel, 
R  - on the ground service panels of the Green, Yellow and Blue 
R  hydraulic systems. 
R  (9) Make sure that the PIN - RIGGING (98D27207545000) (20) is in position 
R  in the bellcrank assembly (2) of the travel limitation unit (3).

 

 Subtask 27-21-48-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FAC1/28VDC 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 27-21-48-210-050
 C. Examination of the Work Area, the Attachment Components and the
 Replacement Centering Rod

 (1)
 Examine the work area.

 (a) Make sure that:
 -
the structure,

 -
the paintwork,

 -
the bellcrank assembly (2),

 -
the travel limitation unit (3)
 are clean and show no damage.

 

 (b)
 Make sure that the control rods are correctly installed at the bellcrank assembly (2) and the travel limitation unit (3).

 (c)
 Make sure that the bellcrank assembly (2) and the travel limitation unit (3) are correctly installed on the support bracket.

 

 (2)
 Examine the attachment components.

 (a)
 Cut and remove the lockwire which temporarily safeties the sliding bushes (7),(14) in the flanged bushes (8),(15).

 (b)
 Remove the sliding bushes (7),(14).

 (c)
 Make sure that:

 -
the nuts (5),(12),

 -
the bushes (7),(8),(9),(14),(15),(16),

 -
the bolts (10),(17)
 are clean and show no damage.

 

 

 

 (d) Make sure that the bushes (15),(16) are tight in the lever arm of the bellcrank assembly (2).
 NOTE : Safety the bushes (15),(16) in the lever arm of the
____ bellcrank assembly (2) if necessary, with BONDING AND ADHESIVE COMPOUNDS (Material No. 08-029).
 (3) Examine the replacement centering rod (1).
 (a) Make sure that:
 -
the centering rod (1) is serviceable,

 -
the bushes (8),(9) are correctly installed in the fork-end,

 -
the bushes (8),(9) and the eye-end bearing are clean and show no damage,

 -
the drain and vent holes are clean,

 -
the lock-nut (19) is not safetied to the safety washer (18).

 4. Procedure
_________
 (Ref. Fig. 401/TASK 27-21-48-991-001)
 Subtask 27-21-48-640-050
 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.
 (1)
 Apply COMMON GREASE (Material No. 04-004) to the threads of the bolts (10),(17).

 (2)
 Apply COMMON GREASE (Material No. 04-004) to the sliding bushes (7),(14).

　
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