E.
Procedure
S 027-002-N00
(1) If it is not done, remove the last chance oil strainer (Ref 79-21-16/401).
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
INTERMEDIATE CASE (REF)
SEE C
SEE B
SEE A
MAIN AND ANGLE GEARBOX LAST CHANCE OIL STRAINER
FWD NO. 1, 1.5, AND 2 BEARING LAST CHANCE OIL STRAINER
A
NO. 4 BEARING LAST CHANCE OIL STRAINER
FUEL/OIL NO. 3 BEARING LAST
COOLER CHANCE OIL STRAINER TURBINE(REF) EXHAUST CASE (REF)
FWD FWD
B C
Last Chance Oil Strainer Cleaning Figure 701
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(2) S 117-003-N00Use a nylon brush and solvent to clean the last chance oil strainer.
NOTE:____ If the last chance oil strainer is cleaned to look for metal particles or other contamination, keep the solvent which goes through the last chance oil strainer in a container (Ref 79-21-16/601).
(3) S 117-004-N00Make the last chance oil strainer dry with the dry, filtered, compressed air.
(4) S 427-005-N00Install the last chance oil strainer (Ref 79-21-16/401).
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MAIN BEARING STRAINER HOUSING ASSEMBLY - REMOVAL/INSTALLATION
_____________________________________________________________
1. General
________
A. This procedure has two tasks. The first task removes the main bearing strainer housing assembly. The second task installs the main bearing strainer housing assembly.
TASK 79-21-17-004-001-N00
2. Remove the Main Bearing Strainer Housing Assembly (Fig. 401)
_________________________________________________
A. References
(1)
AMM 71-11-04/201, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser System
B.
Access
(1)
Location Zone
412 Engine 1 - HPC Case 9 o'clock
422 Engine 2 - HPC Case 9 o'clock
432 Engine 3 - HPC Case 9 o'clock
442 Engine 4 - HPC Case 9 o'clock
(2)
Access Panels
415 Left Thrust Reverser Half - Engine 1
425 Left Thrust Reverser Half - Engine 2
435 Left Thrust Reverser Half - Engine 3
445 Left Thrust Reverser Half - Engine 4
C.
Prepare for Removal of the Main Bearing Strainer Housing Assembly
S 014-002-N00
(1) Open the left fan cowl panel (AMM 71-11-04/201).
S 044-003-N00
WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO YOU OR DAMAGE TO EQUIPMENT.
(2)
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
(3)
Open the left core cowl panel (AMM 71-11-06/201).
S 014-004-N00
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