blend repairs are permitted.
 S 416-145-N00
 (8)  
Install the bleed screens in the exit ducts of the 2.5 bleed air (Fig. 609) (AMM 72-34-03/401):

 (a)  
Install the bleed screens on the exit ducts of the 2.5 bleed
 air with the bolts, lubricated with oil, and washers.

 (b)  
Tighten the bolts on the bleed screens to 36-40 pound-inches
 (4.067-4.519 newton-meters).

 (c)  
Install the lining segments adjacent to the vane inner fairing at the inner case assembly of the fan exit.

 (d)  
Install the screws on the lining segments.

 (e)  
Tighten and lock the screws on the lining segments to a maximum torque of 40 pound-inches (4.519 newton-meters).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
No. 14 - LPC 4th-Stage Blade and Vane Inspection
________________________________________________
 S 486-319-N00 CAUTION: ALL THE PWA 102757 WEDGES MUST BE REMOVED AFTER THE BORESCOPE
_______ INSPECTION IS COMPLETE. IF THE WEDGES ARE NOT REMOVED, THE ENGINE WILL BE DAMAGED WHEN THE ENGINE IS STARTED.
 (9)  
Carefully remove all the PWA 102757 Wedges after all borescope inspections are complete.

 S 416-146-N00

 (10)
 Do this task: Put the Airplane Back to its Usual Condition.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
No. 15 - HPC Vane and Blade (5th- through 15th-Stage) Inspection
________________________________________________________________
 TASK 72-00-00-206-147-N00
 15. HPC Vane and Blade (5th- through 15th-Stage) Inspection
_______________________________________________________
 A. General
 (1)  
This inspection is the visual check of the primary gaspath of the HPC, the 5th-stage thru the 15th-stage blades and vanes.

 (2)  
The limits given in this section will help you find if the engine can continue to operate or if you must remove and repair it.

 B.
Special Tools and Equipment

 (1)  
Puller, Knocker - PWA 85768

 (2)  
90 psi compressed air supply (for use with
 PWA 85572-1, -2) - commercially available

 (3)  
AP-5, AP-7 Inner Plug Wrench - PWA 75250

 (4)  
AP-5, AP-7 Inner Plug Driver - PWA 86580

 C.
Consumable Materials

 (1)  
G00964 - Antigalling compound - Fel Pro C-200

 (2)  
D00137 Engine Oil - PWA 521B

 D.
References

 (1)  
AMM 72-00-00/201, Engine

 (2)  
AMM 72-35-01/801, Helical Coil Inserts

 (3)  
AMM 72-35-02/801, Stage 5, 6, And 7 Rotor Blades - Repairs

 (4)  
AIPC 72-35-51, Fig. 5, Plugs-Instrumentation HPC Front Case

 (5)  
AIPC 72-35-53, Fig. 1, Plugs-Borescope HPC Rear Case

 E.
Access

 (1)  
Location Zone
 412 Engine 1 - Engine
 422 Engine 2 - Engine
 432 Engine 3 - Engine
 442 Engine 4 - Engine

 (2)  
Access Panel 415 and 416 Thrust Reverser Halves - Engine 1 425 and 426 Thrust Reverser Halves - Engine 2 435 and 436 Thrust Reverser Halves - Engine 3 445 and 446 Thrust Reverser Halves - Engine 4

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
No. 15 - HPC Vane and Blade (5th- through 15th-Stage) Inspection
　
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