A320飞机维护手册 AMM HYDRAULIC POWER 液压2(119)

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R  hose-tube percent of wall assembly (Ref. TASK 29-11-
R  assembly. thickness). 49-000-005) and (Ref. TASK 
R  29-11-49-400-005). 
R  G. End-fitting thread Damage is permitted if If the damage is more than 
R  damage. the threads that are the allowable limits, 
R  good are not reduced by replace the hose-tube 
R  more than one thread. assembly (Ref. TASK 29-11-
R  49-000-005) and (Ref. TASK 
R  29-11-49-400-005). 
R  H. End-fitting Damage is permitted if If the end-fittings cannot 
R  damaged flats. the damaged end-fittings keep the correct torque 
R  can keep the correct value, replace the 
R  torque value. hose-tube assembly 
R  (Ref. TASK 29-11-49-000-
R  005) and (Ref. TASK 29-11-
49-400-005). 
R  6. Examine the pressure relief valve tube assembly, look for: 
R  A. Cracks, splits or None permitted. Replace the tube assembly 
R  kinks. (Ref. TASK 29-11-49-000-
R  006) and (Ref. TASK 29-11-
R  49-400-006). 
R  B. Wrinkles in bends. Maximun depth cannot be If wrinkles are more than 
R  more than 0.0075 in. the allowable limits, 
R  (0.1905 mm). replace the tube assembly 
R  (Ref. TASK 29-11-49-000-
R  006) and (Ref. TASK 29-11-
R  49-400-006).

 

 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
R  C. Dents. 
R 
R 
R 
R 
R 
R 
R 
R 
R  D. Flat areas. 
R 
R 
R 
R 
R 
R 
R 
R  E. Nicks, scratch 
R  chafing or scores 
R  in bends. 
R 
R 
R 
R  F. End-fitting thread 
R  damage. 
R 
R 
R 
R 
R  G. End-fitting 
R  damaged flats. 
R 
R 
R 
R 

Two per linear foot (305 mm). Provided depth does not exceed 0.025 in.
(0.635 mm) (10 percent of tube O.D.) and radius is not less than 0.04 in. (1.016 mm) (less than 2 times the wall thickness).
Maximun flat area cannot be more than 0.5 in.
(12.7 mm) (not more than 3 times the tube O.D.). The contour change cannot be more than 0.05 in. (1.27 mm) (20 percent of tube O.D.).
Maximun depth cannot be more than 0.002 in. (0.0508 mm) (not more than 10 percent of wall thickness).
Damage is permitted if the threads that are good are not reduced by more than one thread.
Damaged is permitted if the damaged end-fittings can keep the correct torque value.
If the damage is more than the allowable limits, replace the tube assembly (Ref. TASK 29-11-49-000-006) and (Ref. TASK 29-11-49-400-006).
If the flat areas are more than the allowable limits, replace the tube assembly (Ref. TASK 29-11-49-000-006) and (Ref. TASK 29-11-49-400-006).
If the damage is more than the allowable limits, replace the tube assembly (Ref. TASK 29-11-49-000-006) and (Ref. TASK 29-11-49-400-006).
If the damage is more than the allowable limits, replace the tube assembly (Ref. TASK 29-11-49-000-006) and (Ref. TASK 29-11-49-400-006).
If the end-fittings cannot keep the correct torque value, replace the tube assembly (Ref. TASK 29-11-49-000-006) and (Ref. TASK 29-11-49-400-006).

 5. Close-up
________ Subtask 29-11-49-410-069
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the fan-cowl doors:
 FOR 1000EM1

 -437AL, 438AR (Ref. TASK 71-13-00-410-040).

 (3)
 Remove the access platform(s).

 (4)
 Remove the warning notice(s). Subtask 29-11-49-865-072

 B.
 Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1702GK

 

 PUMP - ENGINE (1030GK) - REMOVAL/INSTALLATION
_____________________________________________
 TASK 29-11-51-000-041
R Removal of the Green Engine Pump (1030GK)
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
 WARNING : DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.
　
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