A320飞机维护手册 AMM PNEUMATIC 气源 2(10)

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D. Nicks, Scratches, Chafing in straight section
E. Nicks, Scratches, Chafing in bends
F. Splits, Cracks, Kinks Contour change must be less than 20 percent of the outside diameter of the tube.
Maximum depth must be less than 10 percent of the wall thickness of the tube. There is no limit to the number of nicks, scratches or chafing allowed in the straight section of the tube.
Maximum depth must be less than 10 percent of the wall thickness of the tube.
Maximum length must be less than the tube outside diameter.
Maximum length same as or more than the tube outside diameter.
are more than theallowable limits, replacethe tube (Ref. TASK 36-11-49-000-006) and (Ref. TASK 36-11-49-400-006).
If the damage is less thanthe allowable limits,repair the damage (Ref.ESM 71-09-00). If thedamage is more than theallowable limits, replacethe tube (Ref. TASK 36-11-49-000-006) and (Ref. TASK36-11-49-400-006).
If the damage is less thanthe allowable limits,repair the damage (Ref.ESM 71-09-00). If the damage is more than the allowable limits, replace the tube (Ref. TASK 36-11-49-000-006) and (Ref. TASK 36-11-49-400-006).
If the damage is less thanthe tube OD, do the weldrepair (Ref. ESM 71-09-00) (Repair No. 3).
If the damage is the sameas or more than the tubeOD, do the doubler and section repair (Ref. ESM 71-09-00) (Repair No. 4).

 5. Close-up
________ Subtask 36-11-49-410-104
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 Subtask 36-11-49-440-073
 B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 36-11-49-410-105
 C. Close Access
 (1)
 Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (2)
 Remove the access platform(s).

 (3) Remove the warning notice(s). Subtask 36-11-49-865-130
 D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3HA1, 3HA2, 2HA1, 2HA2.

 TASK 36-11-49-200-004
 Detailed Visual Inspection of the Upper High Pressure Duct
 WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
 WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 361100-08
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific warning notice
 No specific access platform 0.5 m (1 ft. 8 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 78-30-00-081-041 Make the Thrust Reverser Serviceable after
 Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
 Maintenance 78-36-00-010-040 Opening of the Thrust Reverser Doors 78-36-00-410-040 Closing of the Thrust Reverser Doors

 3. Job Set-up
__________
 Subtask 36-11-49-861-089
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 36-11-49-941-109
 B. Safety Precautions
 (1)
 Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

 (2)
 On the AIR COND panel 30VU:

 -
Make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on).

 -
Make sure that the APU BLEED pushbutton switch is released (the ON legend is off).

 -Put a warning notice in position to tell persons not to operate the pneumatic system.

 (3)
 On the ENG panel 115VU:

 -Put a warning notice in position to tell persons not to start the engine 1(2).
　
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