EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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

ASSEMBLY
PACKING

HOUSINGHOUSING
PROBE PROBE
PROBE 
PACKING 
GRIP 
HOUSING 
PACKING 
GRIP  ASSEMBLY  ASSEMBLY 
PACKING  PACKING 
SEE  A 

PROBE PACKING PROBE
PACKING
PROBE
HOUSING PACKING
GRIP GRIP SEE A
POINT PACKING
RED
CONVEX ALIGNMENT
SHAPE MARKS
INSTALLED VIEW
VIEWS OF PROBES WITH RED ALIGNMENT MARKS  A
L-A8580 (0000)V
Some Usual Magnetic Chip Detector Configurations Figure 402
C19575
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(2)  
Access Panel
 415 Left Thrust Reverser Half - Engine 1
 416 Right Thrust Reverser Half - Engine 1
 425 Left Thrust Reverser Half - Engine 2
 426 Right Thrust Reverser Half - Engine 2
 435 Left Thrust Reverser Half - Engine 3
 436 Right Thrust Reverser Half - Engine 3
 445 Left Thrust Reverser Half - Engine 4
 446 Right Thrust Reverser Half - Engine 4

 C.
Procedure

 S 014-002-N00
 (1)  To get access to the master magnetic chip detector (MCD) on the drain port of the oil tank and the MCD on the drain port of the main gearbox, do the steps that follow:
 (a)  Open the left fan cowl panel (Ref 71-11-04/201).
 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.
 (b)  
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).

 (c)  
Open the left core cowl panel (AMM 71-11-06/201).

 WARNING: OBEY THE INSTRUCTIONS IN 78-31-00 WHEN YOU OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (d)  Open the left thrust reverser (AMM 78-31-00/201).
 S 014-003-N00
 (2)  To get access to the MCD's on the lubrication and scavenge oil pump, do the steps that follow:
 (a)  Open the right fan cowl panel (AMM 71-11-04/201).
 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.
 (b)  
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).

 (c)  
Open the right core cowl panel (AMM 71-11-06/201).

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
WARNING: OBEY THE INSTRUCTIONS IN 78-31-00 WHEN YOU OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (d)  Open the right thrust reverser (AMM 78-31-00/201).
 S 024-004-N00
 CAUTION:_______YOU MUST PUSH IN THE MCD PROBE BEFORE YOU TURN IT. THE MCD PROBE IS LOCKED INTO THE MCD HOUSING BY A CONFIGURATION WITH SLOTS. REPLACE THE MCD ASSEMBLY IF YOU CANNOT REMOVE THE MCD PROBE WITH YOUR HAND. DO NOT USE THE TOOLS TO REMOVE THE MCD PROBE OR YOU CAN CAUSE DAMAGE TO THE MCD.
 (3)  
　
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