S 024-010-N00
 WARNING: BEFORE YOU OPEN THE OIL TANK CAP, PERMIT A MINIMUM OF FIVE
_______ MINUTES AFTER THE ENGINE SHUTDOWN TO LET THE PRESSURE IN THE OIL TANK BLEED OFF. A FAST FLOW OF HOT OIL CAN OCCUR AND CAUSE INJURY TO YOU.
 DO NOT KEEP THE OIL ON YOUR SKIN FOR A LONG TIME. IF YOU DO NOT CLEAN THE OIL OFF, THE OIL CAN CAUSE INJURY.
 (2)  Remove the bolts (4) which attach the last chance oil strainer (3).
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S 024-048-N00
 (3)  
Use the PWA 85518 puller to remove the last chance oil strainer (3) from the housing.

 S 034-011-N00

 (4)  
Remove the packing (5).

 (a)  
Discard the packing (5).

 S 034-012-N00
 (5)  Install the protection caps.
 TASK 79-21-16-004-013-N00
 5. Remove the No. 4 Bearing Last Chance Oil Strainer (Fig. 401)
_________________________________________________
 A. Standard Tools and Equipment
 (1)  
Container - 1 U.S. gallon (4 liter) capacity,
 used to catch the oil

 B.
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

 (4)  
IPC 79-21-51 Fig. 05

 C.
Access

 (1)  
Location Zone 412 Engine 1 - Turbine Exhaust Case 10:30 o'clock 422 Engine 2 - Turbine Exhaust Case 10:30 o'clock 432 Engine 3 - Turbine Exhaust Case 10:30 o'clock 442 Engine 4 - Turbine Exhaust Case 10:30 o'clock

 (2)  
Access Panel
 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

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D. Prepare to Remove the Last chance Oil Strainer
 S 014-049-N00
 (1)  Open the left fan cowl panel (AMM 71-11-04/201).
 S 044-067-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.
 (2)  
Do this procedure: Thrust Reverser Deactivation for Ground
 Maintenance (AMM 78-31-00/201).

 S 014-050-N00

 (3)  
Open the left core cowl panel (AMM 71-11-06/201).

 S 044-068-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 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.
 (4)  
Open the left thrust reverser (AMM 78-31-00/201).

 E.
Remove the Last Chance Oil Strainer

 S 494-015-N00
 (1)  
Put the container below the last chance oil strainer (13) to collect the remaining oil.

 S 034-016-N00

 (2)  
Remove the hose clamps (9) which attach the heat shield (11) at the top connection of the oil pressure tube (6) for the No. 4 bearing.

 (3)  
Remove the heat shield (11) from the engine.

 S 034-051-N00
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