A320飞机维护手册 AMM PNEUMATIC 气源 2(7)

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Maximum depth cannot be  If the dents are more than
 more than 10 percent of  the allowable limits,
 the duct outside  replace the duct
 diameter.  (Ref. TASK 36-11-49-000-
Maximum radius must be  005) and (Ref. TASK 36-11-
less than 2 times the  49-400-005).
 wall thickness.
 Maximum of 2 dents for
 each one foot (305 mm)
 of duct length.

 

 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
D. Flat areas

E. Nicks, Scratches, Chafing
4. Examine the Pneumatic System Upper High Pressure Manifold Duct Assembly, look for:Maximum flat area cannot be more than 2 times the duct outside diameter. The contour change cannot be more than 10 percent of the duct outside diameter.
Maximum depth cannot be more than 10 percent of the wall thickness.
If the flat areas are morethan the allowable limits,replace the duct(Ref. TASK 36-11-49-000-005) and (Ref. TASK 36-11-49-400-005).
If the damage is more thanthe allowable limits,replace the duct (Ref. TASK 36-11-49-000-005) and (Ref. TASK 36-11-49-400-005).
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-218,

 (Ref. Fig. 603/TASK
 36-11-49-991-916)
 **ON A/C 106-149, 219-299, 301-399, 401-499,
 (Ref. Fig. 603A/TASK
 36-11-49-991-916-A)
 **ON A/C ALL
 A. Cracks, Splits or  None permitted  Replace the duct
 Kinks  (Ref. TASK 36-11-49-000-
003) and (Ref. TASK 36-11-
49-400-003).
 B. Wrinkles in bends  Maximum depth cannot be  If wrinkles are more than
 more than 3 percent of  the allowable limits,

 

 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
C. Dents
D. Flat areas
E. Nicks, Scratches, Chafing
F. Worn Bushing Holes
5. Examine the Pneumatic System Center High Pressure Manifold Duct Assembly, look for: the duct diameter or
0.060 inch (1.52 mm) which ever is smaller.
Maximum depth cannot be more than 10 percent of the duct outside diameter. Maximum radius must be less than 2 times the wall thickness. Maximum of 2 dents for each one foot (305 mm) of duct length.
Maximum flat area cannot be more than 2 times the duct outside diameter. The contour change cannot be more than 10 percent of the duct outside diameter.
Maximum depth cannot be more than 10 percent of the wall thickness.
Maximum diameter of the bushing hole is 0.26 in. (6.6039 mm) replace the duct(Ref. TASK 36-11-49-000-003) and (Ref. TASK 36-11-49-400-003).
If the dents are more thanthe allowable limits,replace the duct(Ref. TASK 36-11-49-000-003) and (Ref. TASK 36-11-49-400-003).
If the flat areas are morethan the allowable limits,replace the duct(Ref. TASK 36-11-49-000-003) and (Ref. TASK 36-11-49-400-003).
If the damage is more thanthe allowable limits,replace the duct (Ref. TASK 36-11-49-000-003) and (Ref. TASK 36-11-49-400-003).
If the bushing holediameter exceeds theallowable limits, replace the duct (Ref. TASK 36-11-49-000-003) and (Ref. TASK 36-11-49-400-003).

 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
(Ref. Fig. 604/TASK 36-11-49-991-917)
 A. Cracks, Splits or Kinks
B. Wrinkles in bends
C. Dents
D. Flat areas
E. Nicks, Scratches, Chafing
6. Examine the Pneumatic System Lower High
None permitted
Maximum depth cannot be more than 3 percent of the duct diameter or
0.060 inch (1.52 mm) which ever is smaller.
Maximum depth cannot be more than 10 percent of the duct outside diameter. Maximum radius must be less than 2 times the wall thickness. Maximum of 2 dents for each one foot (305 mm) of duct length.
Maximum flat area cannot be more than 2 times the duct outside diameter. The contour change cannot be more than 10 percent of the duct outside diameter.
Maximum depth cannot be more than 10 percent of the wall thickness.
Replace the duct(Ref. TASK 36-11-49-000-002) and (Ref. TASK 36-11-49-400-002).
If wrinkles are more thanthe allowable limits,replace the duct(Ref. TASK 36-11-49-000-002) and (Ref. TASK 36-11-49-400-002).
If the dents are more thanthe allowable limits,replace the duct(Ref. TASK 36-11-49-000-002) and (Ref. TASK 36-11-49-400-002).
If the flat areas are morethan the allowable limits,replace the duct(Ref. TASK 36-11-49-000-002) and (Ref. TASK 36-11-49-400-002).
　
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