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A
747-400
MAINTENANCE MANUAL
S 862-030
(3) Put the free end of the outlet hose into a container.
S 862-005
WARNING: BE CAREFUL WHEN YOU CONNECT THE OUTLET ADAPTER TO THE OVERFLOW
_______ DRAIN COUPLING. USE A RAG AROUND THE FITTING TO PREVENT THE OIL SPRAY CAUSED BY PRESSURE IN THE IDG CASE. HOT OIL CAN CAUSE INJURIES.
(4) Connect the adapter and the oil outlet hose to the overflow drain coupling on the IDG.
NOTE: It is usual for some oil to drain, when you connect the
____
adapter to the coupling.
(a)
Permit the oil that drains from the hose, to flow into the container.
(b)
Keep the free end of the hose below the level of the IDG.
S 092-006
(5)
Disconnect the adapter and the outlet hose from the overflow drain coupling.
S 432-007
(6)
Install the cover on the overflow drain coupling.
S 412-008
(7)
Close the service access door, for the IDG, on the left core cowl panel.
TASK 24-11-00-792-010
3. IDG Oil System Static Leak Check (Fig. 201)
________________________________
A. Standard Tools and Equipment
(1)
Adapter - Inlet, OMP2506-3, Ozone Metal Products, 101-32 101th Street, Ozone Park, Long Island, NY 11416
(2)
Air Source - clean, dry, compressed (100 psi maximum)
NOTE: A regulated nitrogen source (100 psi maximum) may be used as
____ an alternate to a compressed air source.
(3)
Fittings - as required
(4)
Hose - Flexible, 6 feet, capable of withstanding 100 psi
(5)
Regulator - Pressure, with 0 to 100 psi pressure gauge.
(6)
Valve - Relief, preset at 50 psi
(7)
Valve - Relief, preset at 100 psi
(8)
Valve - Shutoff
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
OIL-OUT
INTEGRATED DRIVE GENERATOR (IDG) (G19)
SCAVENGE FILTER OIL-IN~P INDICATOR
(ACTIVATED)
SCAVENGE
FILTER
PRESSURE FILL COUPLING
OVERFLOW DRAIN COUPLING
COVER (PRESSURE FILL)
COVER TO IDG PRESSURE
(OVERFLOW)
FILL COUPLING
SHUTOFF
VALVE
REGULATOR HOSECOMPRESSED (6 FEET)AIR SOURCE
1 RELIEF VALVE RELIEF VALVE (PRESET AT (PRESET ATFOR REGULATED 100 PSI) 50 PSI)
NITROGEN SOURCE
(ALTERNATE)
1
1 IF A REGULATED NITROGEN SOURCE IS TO BE USED, THE COMPRESSED AIR SOURCE PORT MUST BE PLUGGED IDG Oil System Static Leak Test Figure 202
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747-400
MAINTENANCE MANUAL
B. Consumable Materials
(1)
D00390 Oil - Engine
(2)
G02151 Detector - Leak, or soap solution.
C.
References
(1)
AIPC 24-11-01, Fig. 1
(2)
AIPC 24-11-01, Fig. 2
(3)
AIPC 24-11-14, Fig. 1
(4)
AIPC 24-11-51, Fig. 1
(5)
AMM 12-13-07/301, IDG - Servicing (Oil Replenishing)
(6)
AMM 78-31-00/201, Thrust Reverser System
D.
Access
(1)
Location Zone
412 Engine 1
422 Engine 2
432 Engine 3
442 Engine 4
(2)
Access Panel
415 and 416 Thrust Reverser Halves - Engine 1
425 and 426 Thrust Reverser Halves - Engine 2
435 and 436 Thrust Reverser Halves - Engine 3
445 and 446 Thrust Reverser Halves - Engine 4
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