(m)
Examine the main oil filter element (AMM 79-21-05/601) and the magnetic chip detectors again (AMM 79-21-10/601) for contamination (chips). 1) If you find some metal particles, keep the particles and do
the Oil System Contamination Inspection (AMM 72-00-00/601).
(n)
Install the magnetic chip detectors and a cleaned oil filter (AMM 79-21-05/401, AMM 79-21-10/401). You can continue to use the engine.
(o)
Do the main oil filter and the magnetic chip detector inspections again at these times: 1) After the first flight. 2) After 50 hours. 3) After 100 hours.
(p)
Do this procedure: Put the Airplane Back to its Usual Condition.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
No. 7 - Oil Overtemperature Inspection/Check
____________________________________________
TASK 72-00-00-206-186-N00
7. Oil Overtemperature Inspection/Check
____________________________________
A. General
(1) This task examines the oil system after the oil temperature goes
higher than the permitted limits (see the table that follows). ~............................................................................... | NECESSARY PROCEDURES | .................................................................................
| | | | |
| The Range | Time During | Condition of the | Steps You Must Do |
| of the High | The High Oil | Engine During the | Before You Can Use |
| Oil Temperature| Temperature | High Oil Temperature | The Engine |
| | | | |
................................................................................. | 325° s 350°F | Less Than | During a change from | No corrective action | | (163° - 177°C) | 20 minutes | high power *[1] | is necessary | ................................................................................. | 325° . 350°F | More Than | During Steady State | Do the Inspection for | | (163° - 177°C) | 20 minutes | Operation | Moderately High Oil | ........................................................ Temperatures. Correct | | 351° . 400°F | All Times | During all conditions| the cause. Repair all | | (177° - 204°C) | | of operation | damage that occured. | ................................................................................. | 400°F and | More Than | During all conditions| Do the Inspection for | | higher | 20 minutes | of operation | Moderately High Oil | | (204.4°C +) | | | Temperatures. Do the | | | | | Inspection for Very | | | | | High Oil Temperatures. | | | | | Correct the cause. | 2................…..............…......................…........................1 *[1] High oil temperature and low fuel flow
B. Special Tools and Equipment
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
No. 7 - Oil Overtemperature Inspection/Check
____________________________________________
(1)
PWA 86018 - Adapter, Oil Sample, Pratt & Whitney
C.
Standard Tools and Equipment
(1)
Container - 5 gallon (20 liter)
(2)
M303, M305 or M307 Bergen Mechanical Crimper
Bergen Cable Technologies Inc
170 Gregg St
P.
O. Box 1300
Lodi, NJ 07644-9982
D.
Consumable Materials
(1)
G00964 - Antigalling compound, Fel Pro C-200
(2)
D00390 - Oil, Engine
(a)
G02334 Lockwire, (P05-289) 0.032 inch (0.813 mm) - AS3214-02
(b)
G02335 Cable, Safety (P05-291)
(c)
G02332 Ferrule, Safety CAble (P05-292)
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