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S 034-017-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.
 (4)  
Disconnect the elbow on the top oil pressure tube (6) from the tube nut (7) of the internal tube on the turbine exhaust case installed between the flanges R and S at 10:30 o'clock position.

 S 034-018-N00

 (5)  
Remove the two bolts (8) and nuts (10) which attach the oil pressure tube (6) at the 10:30 o'clock position.

 S 034-052-N00

 (6)  
Remove the oil pressure tube (6) from the engine.

 (a)  
Discard the packing (12).

 S 024-019-N00
 (7)  
Remove the last chance oil strainer (13) from the flange on the top end of the oil pressure tube (6).

 S 034-020-N00

 (8)  
Install the protection cap.

 TASK 79-21-16-404-021-N00
 6.  Install the No. 1, 1.5, and 2 Bearing, or No. 3 Bearing (Without PW SB 79-52)_____________________________________________________________________________ Last Chance Oil Strainer (Fig. 401)___________________________________
 A.  Equipment
 (1)  M303, M305, or M307 Bergen Mechanical Crimper
 Bergen Cable Technologies Inc
 170 Gregg St

 P.O.
 Box 1300
 Lodi, NJ 07644-9982

 B.  
Consumable Materials

 (1)  D00390 Oil - Engine
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 79-21-16
 ALL  ú ú N01 Page 414 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(2)
G02332 Ferrule, Safety Cable (P05-292)

 (3)
G02334 Lockwire, (P05-289) 0.032 inch (0.813 mm) - AS3214-02

 (4)
G02335 Cable, Safety (P05-291)

 C.
Parts

 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Packing | 79-21-51| 05 | 115 | | | 2 | Strainer Element | | | 140 | 2......…........…...................................…..........….....….........1
 D. References
 (1)
AMM 71-00-00/501, Power Plant

 (2)
AMM 71-11-04/201, Fan Cowl Panels

 (3)
AMM 71-11-06/201, Core Cowl Panels

 (4)
AMM 78-31-00/201, Thrust Reverser System

 E.
Access

 (1)  
Location Zone
 412 Engine 1 - Intermediate Case 9 o'clock
 422 Engine 2 - Intermediate Case 9 o'clock
 432 Engine 3 - Intermediate Case 9 o'clock
 442 Engine 4 - Intermediate Case 9 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

 F.
Procedure

 (1)
Remove the protection caps.

 (2)
Lubricate the packing (1) with engine oil.

 S 434-022-N00
 S 644-053-N00
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 79-21-16
 ALL  ú ú N01 Page 415 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 434-023-N00
 (3)  
Install the packing (1) to the last chance oil strainer (2).

 S 424-024-N00

 (4)  
Install the last chance oil strainer (2) with the steps that follow:

 CAUTION: YOU MUST USE THE WRENCHING FLATS ON THE HOUSING OF THE
_______ LAST CHANCE OIL STRAINER WHEN YOU TIHGTEN THE LAST CHANCE OIL STRAINER. IF YOU DO NOT DO THIS, YOU CAN TWIST THE TUBE AND CAUSE DAMAGE TO THE TUBE.
　
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