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S 042-094-N00

 WARNING:_______ DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
 OPERATION OF THE THRUST REVERSER.  THE ACCIDENTAL OPERATION OF
 THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO

 EQUIPMENT.
 (3)  
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).

 S 012-096-N00

 (4)  
Open the core cowl panels (AMM 71-11-06/201).

 S 012-097-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (5)  
Open the thrust reversers (AMM 78-31-00/201).

 S 572-055-N00

 (6)  
Remove the tape from the 2.5 bleed duct and the deoiler exhaust duct (Fig. 204).

 S 492-056-N00

 (7)  
Put the mats in the inlet cowl.

 S 572-057-N00

 (8)  
Remove the tape from between the inlet cone and the inlet closure.

 S 022-058-N00

 (9)  
Remove the inlet cone (AMM 72-31-01/401).

 S 092-059-N00

 (10)
 Remove the locking closure (Fig. 203).

 (a)  Remove the 12 bolts which hold the locking closure to the fan exit case.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(b)  
Remove the locking closure from the fan rotor hub.

 (c)  
Install the 12 screws removed from the fan exit fairing.

 S 422-060-N00
 (11)
 Install the 1st-stage (fan) blades (AMM 72-31-02/401).

 S 422-061-N00

 (12)
 Install the inlet cone (AMM 72-31-01/401).

 S 092-062-N00

 (13)
 Remove the mats from the inlet cowl.

 S 092-063-N00

 (14)
 Remove the bolts and lockwashers which hold the retaining fixture to the 2.5 bleed valve actuator.

 (a)  Remove the retaining fixture (Fig. 202).
 S 092-064-N00
 (15) Remove the gearbox lock (Fig. 201).
 (a)  
Remove the bolts and washers which hold the gearbox lock to the starter drive pad.

 (b)  
Remove the gearbox lock.

 (c)  
Remove the clamp which holds the cover on the end of the start duct.

 (d)  
Remove the cover from the end of the start duct.

 S 422-065-N00
 (16)
 Install the starter QAD adapter (AMM 80-11-03/401).

 S 422-066-N00

 (17)
 Install the starter (AMM 80-11-01/401).

 S 422-067-N00

 (18)
 Install the start valve (AMM 80-11-02/401).

 S 092-068-N00

 (19)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers for the applicable engine:

 (a)  P6 Main Power Distribution Panel
 1) 6L10 FUEL CONT VALVE ENG 1

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2) 6L11 FUEL CONT VALVE ENG 2
 3) 6L12 FUEL CONT VALVE ENG 3
 4) 6L13 FUEL CONT VALVE ENG 4

 S 092-069-N00
 (20) Remove the DO-NOT-CLOSE tags and close these circuit breakers for the applicable engine:
 (a)  P6 Main Power Distribution Panel
 1) 6F1 IGN 1 ENG 1
 2) 6K19 IGN 2 ENG 1
 3) 6G19 STBY IGN ENG 1
 4) 6F2 IGN 1 ENG 2
 5) 6K20 IGN 2 ENG 2
 6) 6G20 STBY IGN ENG 2
 7) 6F3 IGN 1 ENG 3
 8) 6K21 IGN 2 ENG 3
 9) 6G21 STBY IGN ENG 3
 10) 6F4 IGN 1 ENG 4
　
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