_________
 (Ref. Fig. 601/TASK 73-11-30-991-300, 602/TASK 73-11-30-991-301) Subtask 73-11-30-230-051
 A. Do a fluorescent penetrant inspection to make sure of actual or suspected cracks in fuel manifolds or tubes (Ref. TASK 70-51-00-230-002).
 Subtask 73-11-30-210-051
 B. Do a visual inspection of the items that follow:
 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
R R  1. Fuel manifold tubes for: - Cracks, splits or kinks. - Wrinkles in bends. 
R  - Dents. 
R  - Flat areas. 

Not serviceable.  Replace the engine.
The depth must not be  Replace the engine.
 more than 3 percent of
 the nominal tube
 diameter or 1.52 mm
 (0.06 in.) deep
 whichever is smaller. 
No more than 2 in each  Replace the engine.
 linear foot, provided
 the depth is not more
 than 10 percent of the
 tube OD and the radius
 is not less than 2 times
 the thickness of the
 tube wall. 
Length must not be more  Replace the engine.
 than 2 times the tube
 OD, or the contour
 change must not be more
 than 10 percent of the
 tube OD.

 F 『 EEFF : ALL E Page 60373-11-30
 E E May 01/00 E E ECES E F 『 E C F M E E E E 56-5B E

 Fuel Nozzle Coupling Nut
 Figure 601/TASK 73-11-30-991-300

 F 『 EEFF : ALL E Page 60473-11-30
 E E Feb 01/98 E E ECES E F 『 E C F M E E E E 56-5B E F 『 EEFF : ALL E Page 60673-11-30

 Spherical Seat Fitting Inspection Areas
 Figure 602/TASK 73-11-30-991-301
 F EEFF :  ALL  『E 73-11-30 Page 605 
E  E  Feb 01/98
 E  E
 ECES  E

 F  『
 E  C F M  E
 E  E
 E  56-5B  E
 E  E

 -------------------------------------------------------------------------------
INSPECT/CHECK  MAXIMUM SERVICEABLE LIMITS REMARKS
 -------------------------------------------------------------------------------
- Nicks, scratches, chafing or scores in the straight or bent sections. 0.005 in. (0.12 mm) maximum depth. Replace the engine.
 2. Tube coupling nuts for:
 - Damaged corners.  Any amount provided you can get the correct torque. Replace the engine.
 - Damaged thread.  One half thread total or continuous not there. Replace the engine.
 - Lockwire hole deformation and wear.  Permitted provided the metal around the hole isnot cracked. Replace the engine.
 - Lockwire hole torn open.  Permitted provided one hole for each coupling nut stays intact. Replace the engine.
 3. Fitting seating surfaces for: 
R R R  NOTE : Do this portion of the fuel manifold inspection if you think you have____ a leak, if you find damage after you remove a fuel nozzle, or if you see visual damage. 
R R R  NOTE : If not already done, disconnect the fuel supply tube from applicable____ fuel nozzle (Ref. TASK 73-11-40-000-001) and (Ref. TASK 73-11-40-400-001).
 - Circumferential and axial scratches in areas A and C.  Any amount 0.13 mm (0.005 in.) or less indepth after the removal of high metal. Replace the engine.
 - Circumferential scratches in area B  Any amount that cannot be felt using a 1 mm (0.04 in.) radius ball scribe. Replace the engine.

 E E Aug 01/02 E E ECES E

 F  『
 E  C F M  E
 E  E
 E  56-5B  E
 E  E

 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
- Axial scratches in  Not serviceable.  Replace the engine.
 area B.
 - Nicks and pits in  Any amount less than  Replace the engine.
 area C.  0.81 mm (0.032 in.)
 after blending.
 - Nicks and pits in  Not serviceable.  Replace the engine.
 areas A and B.
 - Circumferential  Any amount, provided  Replace the engine.
 score marks on the  that the score mark does
 silver plated  not go through the
　
中國航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機(jī)維護(hù)手冊 AMM 發(fā)動機(jī)燃油和控制 ENGINE FUEL AND CONTRO(51)