S 413-024
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-13-06
ALL ú ú 01N Page 304 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
INTEGRATED DRIVE GENERATOR - SERVICING (OIL REPLENISHING)
_________________________________________________________
1. General
_______
A. This procedure contains two tasks, The first task is to fill the oil in the integrated drive generator (IDG) system. The second task is to examine the IDG system oil level.
B. You fill the IDG through the pressure fill valve. The oil flows into the IDG scavenge filter, through the external oil circuit, and into the IDG case. The air in the circuit is pushed in front of the oil and leaves the system through the overflow drain. The oil level will increase in the IDG until it is above the top of the standpipe and then flows from the overflow drain.
C. The standpipe in the overflow drain sets the correct level for the IDG oil system.
D. When you fill the IDG oil system, use the overflow drain adapter and hose assembly to open the overflow drain port.
E. The IDG is attached to the aft face of the main gearbox at the 7 o'clock position.
F. Get access to the IDG through the IDG oil service access door on the left core cowl panel.
TASK 12-13-07-603-001
2. Fill the Integrated Drive Generator Oil (Fig. 301)
_______________________________________
A. Standard Tools and Equipment
(1) Oil dispenser - Risbridger UZ/7/(XXXX) , W & J Risbridger Ltd. Bletchingley, NR. Redhill Surrey RH1 4LN, England
NOTE: Last four digits are customer variable numbers.
____
NOTE: IDG fluid dispenser with larger capacities are available from
____
the dispenser manufacturer.
(2) Service Cart - 2 gallon, IDG Oil with oil pump, PF 53361-(X)PWS, Malabar International, 220 West Los Angeles Avenue, Post Office Box 367, Simi Valley, CA 93065
NOTE: The (X) denotes different length hose used on the servicing
____
cart.
NOTE: IDG fluid dispensers from 1 quart to 15 gallon fluid
____ capacity are available from the dispenser manufacturer.
(3)
Overflow drain tool, Risbridger 2315, W & J Risbridger Ltd. Bletchingley, NR. Redhill, Surrey RH1 4LN, England
(4)
Container - 5 U.S. gallon (20 liter) capacity, suitable to collect oil drainage from IDG
(5)
Adapter - Outlet, OMP2505-3, Ozone Metal Products, 101-32 101st Street, Ozone Park, Long Island, NY 11416
(6)
Adapter - Inlet, OMP2506-3, Ozone Metal Products
(7)
Hose - to connect to outlet adapter
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-13-07
ALL ú ú 01 Page 301 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
IDG OIL
OIL LEVEL INDICATOR
SERVICE
VIEWING PORT
ACCESS DOOR
SEE A
IDG
IDG
SEE B
FWD
MAIN GEARBOX
A
OIL SUPPLY FROM EXTERNAL OIL CIRCUIT
SEE C PRESSURE FILL COUPLING WITH OIL SUPPLY
FLOW CONTROL VALVE
TO EXTERNAL
OIL CIRCUIT
FWD OVERFLOW DRAIN COUPLING WITH TUBE FWDCONTAINER OIL LEVEL INDICATOR
CB
SEE D
Integrated Drive Generator Oil Replenishing
Figure 301 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-13-07
ALL ú ú 01 Page 302 ú Apr 10/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
40 DEGREES
A (OBSERVER
VIEWING ANGLE)
OIL
INDICATOR A
HOOD WHITE MARKS ALIGNED: WHITE MARKS NOT ALIGNED:
SIDE VIEW PROPER VIEWING ANGLE IMPROPER VIEW ANGLE (HOOD NOT SHOWN)
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