A320飞机维护手册 AMM HYDRAULIC POWER 液压4(88)

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R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  C. Cuts, tears on  Maximum depth must be  If the damage is more than 
R  fire sleeve.  less than one half of  the allowable limits, 
R  the sleeve thickness.  replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  D. Internal blockage.  None permitted.  Remove the blockage or 
R  replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  E. Leakage.  None permitted.  Replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  F. Nicks &  Maximum Depth cannot be  If the damage is more than 
R  scratches-tube  more than 0.0035 in.  the allowable limits, 
R  portion of suction  (0.0889 mm) deep (10  replace the hose-tube 
R  hose-tube  percent of wall  assembly (Ref. TASK 29-13-
R  assembly.  thickness).  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
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 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003).

 

 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
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 29-13-49-000-
R  003) and (Ref. TASK 29-13-
R  49-400-003). 

R 5. Examine the hydraulic low pressure-switch hose-tube assembly, look for:

R  A. Cracks.  None permitted.  Replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  B. Crimps.  None permitted.  Replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  C. Cuts, tears on  Maximum depth must be  If the damage is more than 
R  fire sleeve.  less than one half of  the allowable limits, 
R  the sleeve thickness.  replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  D. Internal blockage.  None permitted.  Remove the blockage or 
R  replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003). 
R  E. Leakage.  None permitted.  Replace the hose-tube 
R  assembly (Ref. TASK 29-13-
R  49-000-003) and (Ref. TASK 
R  29-13-49-400-003).

 

 -------------------------------------------------------------------------------
INSPECT/CHECK MAXIMUM REMARKS
 SERVICEABLE LIMITS
 -------------------------------------------------------------------------------
R  F. Nicks and Maximum depth cannot be If the damage is more than 
R  scratches-tube more than 0.0035 in. the allowable limits, 
R  portion of suction (0.0889 mm) deep (not replace the hose-tube 
R  hose-tube more than 10 percent of assembly (Ref. TASK 29-13-
R  assembly. wall thickness. 49-000-005) and (Ref. TASK 
R  29-13-49-400-005). 
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 29-13-
R  49-000-005) and (Ref. TASK 
R  29-13-49-400-005). 
R  H. End-fitting Damage is permitted if If the end-fittings cannot 
　
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