S 014-040-N00

 (4)  
Open the left core cowl panel (AMM 71-11-06/201).

 S 014-041-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (5)  
Open the left thrust reverser (AMM 78-31-00/201).

 E.
Procedure

 S 024-048-N00
 (1)  
Remove the oil temperature probe:

 (a)  
Remove the nuts (3, 9) and washers (4, 8) that attach the W3 wire harness to the studs on the oil temperature probe (7).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-10
 ALL  ú ú N03 Page 403 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(b)  
Remove the bolt, clamp, and ground strap that are attached to the pressure tube for the main gearbox.

 (c)  
Remove the W3 wire harness terminals from the studs on the oil temperature probe (7).

 (d)  
Remove the oil temperature probe (7) from the main gearbox housing.

 NOTE: Be prepared to catch the oil in a container with a
____ minimum capacity of 5 U.S. gallons (19 liters).
 (e)  
If necessary, remove the adapter (6) from the main gearbox housing. 1) Discard the packing (5).

 (f)  
Install a protection cap on the opening in the main gearbox.

 TASK 73-21-10-404-008-N00
 3. Install the EEC Oil Temperature Thermocouple Probe (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 Engine Oil

 (2)  
D00504 Petrolatum, White - PMC 9609

 (3)  
G02334 Lockwire - AS3214-02

 (4)  
G02332 Ferrule - P05-292 (Optional)

 (5)  
G02335 Cable - Safety - P05-291 (Optional)

 C.
Parts

 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 5 | Packing | 73-21-10 | 01 | 10 | | | 7 | EEC Fuel Temperature Thermocouple | | | 6 | | | | Probe | | | | 2.....….........…...................................…..........…......…........1
 D. References
 (1)  
AMM 12-13-03/301, Engine - Servicing

 (2)  
AMM 71-00-00/501, Power Plant

 (3)  
AMM 71-11-04/201, Fan Cowl Panels

 (4)  
AMM 71-11-06/201, Core Cowl Panels

 (5)  
AMM 78-31-00/201, Thrust Reverser System

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-10
 ALL  ú ú N03 Page 404 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E. Access
 (1)  
Location Zone
 412 Engine 1 - Main Gearbox Fwd Face 7 o'clock
 422 Engine 2 - Main Gearbox Fwd Face 7 o'clock
 432 Engine 3 - Main Gearbox Fwd Face 7 o'clock
 442 Engine 4 - Main Gearbox Fwd Face 7 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

 S 424-051-N00
 (1)  
Install the oil temperature probe:

 (a)  
Remove the protection cap from the opening in the main gearbox.

 (b)  
Lubricate the new packing (5) with petrolatum.

 (c)  
　
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