747-400 AMM 飞机维护手册 动力装置 POWER PLANT 2(38)

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 4)  Connect the connector to the receptacle on the EE rack E2-6.
 ~..................... | Engine 1 | DQ2653 | ....................... | Engine 2 | DQ2655 | ....................... | Engine 3 | DQ2657 | ....................... | Engine 4 | DQ2661 | 2..........…..........1
 5)  Apply the electrical power if it is necessary (AMM 24-22-00/201).
 TASK 71-00-09-802-017-N00
 4.  Restore the Airplane to Normal Following the Removal of a Converted Power_________________________________________________________________________ Plant_____
 A.  References
 (1)
AMM 24-22-00/201, Manual Control

 (2)
AMM 26-10-01/401, Fire Warning and Detection Cards

 (3)
IPC 26-17-51 Fig. 1

 B.  
Access

 (1)  
Location Zone
 117 Electrical & Electronics Compartment, LH
 221 and 222 Control Cabin
 412 Engine 1
 422 Engine 2
 432 Engine 3
 442 Engine 4

 (2)  
Access Panel 117A Door - Access, Electronics Compartment 417B IDG Service Pressure Relief Access Door - Engine 1 427B IDG Service Pressure Relief Access Door - Engine 2 437B IDG Service Pressure Relief Access Door - Engine 3 447B IDG Service Pressure Relief Access Door - Engine 4

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
C. Procedure
 S 422-004-N00
 (1)  If the engine had a fire detection and overheat system by Systron
 Donner, replace the fire detection and overheat cards for that
 engine (AMM 26-10-01/401).

 NOTE: The fire detection and overheat cards are specified for the
____
 system that is installed on the engine.

 (a)  
Engine 1 - ENG FIRE DET 1A, YLPA1
 ENG FIRE DET 1B, YLPA2
 ENG OVHT DET 1A, YLPA4
 ENG OVHT DET 1B, YLPA5

 (b)  
Engine 2 - ENG FIRE DET 2A, YLPA6
 ENG FIRE DET 2B, YLPA7
 ENG OVHT DET 2A, YLPA9
 ENG OVHT DET 2B, YLPA10

 (c)  
Engine 3 - ENG FIRE DET 3A, YLPA11
 ENG FIRE DET 3B, YLPA12
 ENG OVHT DET 3A, YLPA14
 ENG OVHT DET 3B, YLPA15

 (d)  
Engine 4 - ENG FIRE DET 4A, YLPA16
 ENG FIRE DET 4B, YLPA17
 ENG OVHT DET 4A, YLPA19
 ENG OVHT DET 4B, YLPA20

 

 S 422-030-N00
 (2)  
If the engine had a fire detection and overheat system by Systron Donner, install the caps on the plugs for the electrical connectors, D4200P and D4228P (Fig. 201).

 S 932-019-N00

 (3)  
If the engine had a Hamilton Standard starter valve installed, remove the label from the stencil on the IDG access door to manually move the starter valve (Fig. 202).

 (a)  Make sure the stencil shows OPEN in the bottom position (clockwise).
 S 442-021-N00
 (4)  If there are circuit breaker collars, remove the collars and close
 these circuit breakers for the applicable engine.

 (a)  P6 Main Power Distribution Panel
 1) 6G15 SCU ALT PWR ENG 1
 2) 6G23 ENG SCU 1
 3) 6G16 SCU ALT PWR 2
 4) 6G24 ENG SCU 2
 5) 6G17 SCU ALT PWR 3
 6) 6G25 ENG SCU 3
 7) 6G18 SCU ALT PWR ENG 4

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
8) 6G26 ENG SCU 4
 S 442-010-N00
 (5)  
If there is an INOP placard, remove the INOP placard at the applicable ENGINE AUTOSTART switch.

 S 442-022-N00

 (6)  
If there are replacement plugs, remove the replacement plugs from the receptacles for the connectors D8350P and D8360P (Fig. 202).

 S 442-027-N00

 (7)  
Do the reactivation procedure for the EICAS message ENG-(1,2,3, or 4) SCU to show if there is a related failure.
　
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