A320飞机维护手册 AMM ENGINE 发动机 1(17)

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 D. On the Low Pressure Turbine Case (Ref. Fig. 009, 010) There are three borescope port provisions on the LPT case. Location at the 5 o'clock position approximately. From front to rear, they are identified S18, S19 and S20. Refer to ATA 72-54-00 for the internal parts and areas you can, fully or partially, see through these borescope port provisions.
 NOTE : The borescope ports S16 and S17 must be used to inspect:
____
 - the LPT nozzle, stage 1 (Refer to ATA 72-53-00),

 - the leading edge and tip shroud of LPT rotor blades, stage 1 (Ref. to ATA 72-54-00).

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 ENGINE - GENERAL - MAINTENANCE PRACTICES

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 TASK 72-00-00-917-002
 Engine Tubes, Hoses, and Fittings
 1. Reason for the Job
__________________
 This section gives the general inspection and removal/installation instructions for engine tubes, hoses, and fittings.
 NOTE : Assemblies covered by this task do not contain parts that have a
____
 regular replacement or inspection schedule.

 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container
 No specific protective caps
 No specific protective closures

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2442 *
 engine oil (Ref. 70-30-00) R Material No. CP5070 * R vaseline (Ref. 70-30-00)
 Material No. CP8001 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00) Material No. CP8002 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
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 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
70-21-00-918-002 Seals (Preformed Packings and O-rings) and Gaskets 71-00-00-710-006 Minimum Idle Check 73-11-30-200-002 Inspection/Check of the Fuel Manifold Assembly 72-00-00-991-314 Fig. 201 72-00-00-991-315 Fig. 202 72-00-00-991-316 Fig. 203
 3. Job Set-up
__________
 Subtask 72-00-00-869-076
 A. Not Applicable
 4. Procedure
_________
 (Ref. Fig. 201/TASK 72-00-00-991-314, 202/TASK 72-00-00-991-315, 203/TASK 72-00-00-991-316)
 Subtask 72-00-00-210-073
 A. If a tube, hose, or fitting on the engine has apparent damage, do the inspection that follows:
 NOTE : The limits in this table are general and they do not replace the
____
 limits on components given in this manual.

 NOTE : The inspection of the fuel manifold is given in (Ref. TASK 73-11-
____
 30-200-002).

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 Tube and Hose Seating Surfaces
 Figure 201/TASK 72-00-00-991-314

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 Swivel Flanged Connectors
 Figure 202/TASK 72-00-00-991-315

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 Hose Assembly Inspection Areas
 Figure 203/TASK 72-00-00-991-316

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 -------------------------------------------------------------------------------INSPECT/CHECK MAXIMUM REMARKS SERVICEABLE LIMITS -------------------------------------------------------------------------------
1. Tubing for:
 A. Splits, cracks or kinks
 B. Dents or flat areas
C. Nicks or scores on drain lines, drain shrouds, and scavenge lines, does not include aft sump oil scavenge line
 D. Nicks or scores on all other fuel, air and oil lines and aft sump oil scavenge line
　
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