C.
Preconditions
S 865-073-N00
(1)
These conditions are necessary for this task:
(a)
Electric power on (AMM 24-22-00/201).
(b)
Oil tank must be full (AMM 12-13-03/301).
(c)
Engine Indicating and Crew Alert System (EICAS), serviceable (AMM 31-61-00/201).
D.
Do a Test of the Indicating System for the Oil Quantity
S 615-002-N00
(1)
Do the servicing procedure for the engine oil tank
(Ref 12-13-03/301).
S 865-003-N00
(2)
Supply electrical power (Ref 24-22-00/201).
S 865-004-N00
(3)
Make sure these circuit breakers that follow are closed:
(a)
P7 Overhead Circuit Breaker Panel
1) 7F9 EIU L
2) 7F10 EIU C
3) 7F15 EIU R
(4)
Look at the oil quantity indication on the auxiliary EICAS display.
S 215-063-N00
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79-31-00
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S 215-082-N00
(5)
Make sure the oil quantity indication shows 22 |3 liters.
S 865-006-N00
(6)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
TASK 79-31-00-705-007-N00
3. System Test - Oil Quantity Indicating System (Fig. 501)
____________________________________________
A. References
(1)
12-13-03/301, Engine - Servicing
(2)
12-22-03/301, Engine - Servicing
(3)
24-22-00/201, Manual Control
(4)
AMM 31-61-00/501, Integrated Display System
(5)
71-11-04/201, Fan Cowl Panels
(6)
71-11-06/201, Core Cowl Panels
(7)
78-31-00/201, Thrust Reverser System
B.
Standard Tools and Equipment
(1)
Beaker - Calibrated, 1 U.S. quart (1 liter)
size minimum, used to catch the oil
C.
Consumable Materials
(1)
D00390 Oil - Engine
D.
Access
(1)
Location Zone 221 Control Cabin, LH 222 Control Cabin, RH 412 Engine 1 - Main Gearbox Aft Face 8 o'clock 422 Engine 2 - Main Gearbox Aft Face 8 o'clock 432 Engine 3 - Main Gearbox Aft Face 8 o'clock 442 Engine 4 - Main Gearbox Aft Face 8 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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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
E. Preconditions
S 865-074-N00
(1)
These conditions are necessary for this task:
(a)
Electric power on (AMM 24-22-00/201).
(b)
Oil tank must be empty (AMM 12-22-03/301).
(c)
Engine Indicating and Crew Alert System (EICAS), serviceable (AMM 31-61-00/201).
F.
Prepare for the Test
S 015-022-N00
(1) Open the left fan cowl panel (Ref 71-11-04/201).
S 045-037-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 (Ref 78-31-00/201).
S 015-023-N00
(3)
Open the left core cowl panel (Ref 71-11-06/201).
