the gas and remove the IDG oil OUT line from the container.
(e)
Apply 250 psig to the IDG oil IN line until the nitrogen gas bottle is empty.
(f)
Remove the IDG oil IN line from the nitrogen gas bottle.
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(g)
Attach both IDG oil lines to the IDG.
(h)
Service the IDG with oil (AMM 12-22-07/301).
(i)
Do the engine ground test - idle power procedure to do a check for leaks (AMM 71-00-00/501).
(j)
Examine the IDG oil level (AMM 12-13-07/301).
(k)
Service the IDG (AMM 12-13-07/301).
S 412-086
(2)
Close the left thrust reverser half (AMM 78-31-00/201).
(a)
Attach both IDG oil lines to the IDG.
(b)
Service the IDG with oil (AMM 12-22-07/301).
(c)
Do the engine ground test - idle power procedure to do a check for leaks (AMM 71-00-00/501).
(d)
Examine the IDG oil level (AMM 12-13-07/301).
(e)
Service the IDG (AMM 12-13-07/301).
S 412-029
(3) Close the left thrust reverser half (AMM 78-31-00/201).
TASK 24-11-01-242-034
5. Intergrated Drive Generator oil cooling system flushing (Scavenge filter is___________________________________________________________________________ Damaged)_________
A. General
(1)
The flushing procedure is used when spare IDG external oil cooling lines are not available for installation.
(2)
The flushing procedure is not a replacement for the external oil line maintenance program.
(a)
The oil lines are cleaned in an overhaul facility when the engine is removed for overhaul.
B.
Equipment
(1)
IDG oil overflow drain hose with outlet adapter,
Ozone OMP2505-3 or Risbridger tool DRG 1827.
(2)
Container - 2 gallon capacity
(3)
Nitrogen - gas (minimum of 239 cubic feet bottle) and regulator from 20 - 250 psig.
C.
References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 71-00-00/201, Power Plant
(3)
AMM 78-31-00/201, Thrust Reverser System
(4)
AMM 79-21-01/401, Fuel/Oil Cooler and Bypass Valve
(5)
WDM 24-11-11 thru WDM 24-11-14
(6)
SSM 24-11-01 thru SSM 24-11-04
D.
Access
(1)
Location Zone 412 Engine 1 - Main Gearbox Aft Face 7 o'clock 422 Engine 2 - Main Gearbox Aft Face 7 o'clock 432 Engine 3 - Main Gearbox Aft Face 7 o'clock 442 Engine 4 - Main Gearbox Aft Face 7 o'clock 221 Control Cabin, LH
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(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
E. Prepare for the IDG external oil cooling line flushing.
S 012-031
(1)
Open the left thrust reverser half (AMM 78-31-00/201).
S 862-033
(2)
Remove pressure from the IDG cooling system as follows:
(a)
If the IDG has a Push-to-Vent valve, push the valve until the internal pressure is released.
(b)
If the IDG does not have a Push-to-Vent valve, do the following: 1) Put a container under the IDG to catch the oil. 2) Remove the cover from the overflow drain coupling (pressure
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