(e)
Keep the free end of the drain hose below the level of the IDG.
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747-400 MAINTENANCE MANUAL
S 033-016
WARNING:_______USE CAUTION WHEN YOU DRAIN THE IDG OIL. PUT ON GOGGLES AND GLOVES. HOT OIL CAN CAUSE INJURIES.
(3) Remove the IDG case drain plug and let the oil flow into the container.
NOTE: Be prepared to catch 1 to 1.5 gallons (4 to 6 liters) of oil.
____
S 033-006
(4)
Remove and discard the O-ring from the IDG case drain plug.
S 613-023
(5)
Replace the scavenge filter (AMM 24-11-04/401). Do not fill the IDG with oil or do the dry motor leak check procedure until after you install the IDG case drain plug.
S 613-017
CAUTION:_______DO NOT MIX TYPES OR BRAND NAMES OF OIL. INCORRECT OIL CAN CAUSE DAMAGE TO THE IDG.
(6) Connect the pressure fill hose from the service cart to the pressure fill coupling.
NOTE: Pressure oiler covers do not leak as much as dust covers.
____
S 613-018
(7) Use the the service cart to put oil into the IDG until one of these two things occur:
NOTE: Make sure that the IDG overflow drain hose is not below
____ the surface of the oil in the container. Make sure that the hose does not have kinks.
This step will flush the used oil out of the oil cooler system.
(a)
The color of the oil that come out of the case drain is the same as the color of the oil in the service cart.
NOTE:____Some IDG oils are colored black. If the oil used is is colored black used the water check test (AMM 24-11-01/601).
(b)
1 to 1.5 gallons (4 to 6 liters) of oil flows from the IDG case drain.
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747-400 MAINTENANCE MANUAL
S 433-011
(8) Install the IDG case drain plug: (a) Lubricate a new O-ring with engine oil. (b) Install the new O-ring on the IDG case drain plug. (c) Tighten the plug to 55-75 pound-inches (6.2-8.5 N.m.). (d) Install lockwire on the IDG case drain plug.
S 613-012
(9) Do this task, "Fill the Integrated Drive Generator Oil' (AMM 12-13-07/301).
S 713-021
(10)
Do the engine ground test - idle power procedure to do a check for leaks (AMM 71-00-00/501).
S 213-022
(11)
Examine the IDG Oil Level (AMM 12-13-07/301).
S 793-013
(12)
Remove unwanted oil from the surface of the IDG with a rag.
S 413-014
(13)
Close the left thrust reverser half (AMM 78-31-00/201).
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747-400 MAINTENANCE MANUAL
AIR-DRIVEN PUMP TURBINE DRIVE - SERVICING (OIL CHANGE)
______________________________________________________
1. General_______
A. This subject has one task. The task is to change the oil in the turbine-drives for the air driven pumps.
TASK 12-22-09-613-001
2. Air-Driven Pump Turbine Drive Oil Change._________________________________________
A. Consumable Materials
(1)
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