747-400 AMM 飞机维护手册 动力装置 POWER PLANT 2(45)

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////

Locking Closure Installation
Figure 203 (Sheet 1)

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BOLT (12 LOCATIONS)

SHOWN WITH INLET CONE INSTALLED
A-A

Locking Closure Installation
Figure 203 (Sheet 2)

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S 422-072-N00
 (15)
 Install the inlet cone (AMM 72-31-01/401).

 S 492-045-N00

 (16)
 Put tape on the openings between the inlet cone and the inlet closure.

 S 092-046-N00

 (17)
 Remove the mats from the inlet cowl.

 S 572-047-N00

 (18)
 Seal these engine openings (Fig. 204):

 (a)  Put tape on the deoiler exhaust duct.
 (b)  Put tape on the exhaust ducts of the 2.5 bleed valve.
 NOTE:____ The exhaust ducts are around the exit case for the inner
 fan.

 S 412-083-N00 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (19)
 Close the thrust reversers (AMM 78-31-00/201). S 412-084-N00

 (20)
 Close the core cowl panels (AMM 71-11-06/201). S 412-085-N00

 (21)
 Close the fan cowl panels (AMM 71-11-04/201). S 042-050-N00

 (22)
 Do the activation procedure for the thrust reversers (AMM 78-31-00/201).

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SEEA  SEEB
OIL  DEOILER 
TANK  EXHAUST 
(REF)  DUCT  FWD 
A 
2.5 BLEED 
FAN EXIT  VALVE DUCTS 
LINER  (EXAMPLE 14 
(REF)  LOCATIONS) 
FAN EXIT 
VANE 
(REF) 
FWD 
B 
Engine Openings Location 
Figure 204 

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 572-052-N00
 (23) Put these removed parts on board the airplane to go with the ferried engine:
 (a)  
The twelve screws removed from the fan exit fairing.

 (b)  
The fan rotor blades and blade locks

 (c)  
The starter and two clamps

 (d)  
The start valve

 (e)  
The starter QAD adapter

 S 212-115-N00
 (24) Do the Spare Engine Inspection.
 (a)  
Supply electrical power (AMM 24-22-00/201).

 (b)  
Do a cycle of these circuit breakers to the open position and then the closed position: 1) P7 Overhead Circuit Breaker Panel

 a) 7C1 FMCS FMC L b) 7C23 FMCS FMC R