S 494-006
(4)
Put a clean container near the switch housing to catch the oil.
S 024-007
WARNING:_______DO NOT LET SYNTHETIC OIL GET ON YOUR SKIN. THIS OIL CAN CAUSE SKIN IRRITATION.
BE CAREFUL WHEN YOU WORK NEAR THE OIL SYSTEM COMPONENTS AFTER ENGINE SHUTDOWN. THE OIL STAYS HOT FOR A LONG TIME AFTER THE ENGINE STOPS AND CAN CAUSE INJURY.
CAUTION:_______REMOVE FALLEN OIL IMMEDIATELY. IT CAN CAUSE DAMAGE TO CLOTHING, PAINT, AND RUBBER.
USE ONLY CLEAN CONTAINERS AND EQUIPMENT. CONTAMINATION (SUCH AS FROM SOME ALKALINE CLEANING FLUIDS) CAN CAUSE A FAILURE OF THE OIL.
DO NOT PUT THE DRAINED OIL BACK INTO THE SYSTEM. USED OIL CAN CONTAIN CONTAMINATION WHICH WILL DAMAGE THE SYSTEM COMPONENTS.
(5)
Remove the IDG air/oil heat exchanger thermal switch from the housing.
(6)
Remove and discard the seal.
S 034-009
(7)
Install the covers for protection of the openings and the connectors.
S 434-008
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
AIRPLANES WITH IDG AIR/OIL HEAT ú 24-11-06
EXCHANGER THERMAL SWITCH ú ú 01 Page 402 ú Sep 28/99
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757 MAINTENANCE MANUAL
TASK 24-11-06-404-010
3. Install the Air/Oil Heat Exchanger Thermal Switch
_________________________________________________
A. References
(1)
AMM 12-13-03/301, IDG - Servicing
(2)
AMM 71-11-04/201, Fan Cowl Panels
B. Access
(1)
Location Zones
410 Power Plant Nacelle (Left)
420 Power Plant Nacelle (Right)
(2)
Access Panels
413/423 Fan Cowl Panels (Left)
414/424 Fan Cowl Panels (Right)
C. Procedure
S 434-011
(1)
Remove the covers from all the openings and connectors related to the IDG air/oil heat exchanger thermal switch.
S 434-012
(2)
Install a new seal, lubricated with engine oil, to the air/oil heat exchanger thermal switch.
S 424-013
(3)
Install the IDG air/oil heat exchanger thermal switch to the housing.
S 434-014
(4)
Tighten the IDG air/oil heat exchanger thermal switch to 320 pound-inches.
(5)
Safety the IDG air/oil heat exchanger thermal switch with lockwire.
S 434-015
S 434-016
CAUTION: MAKE SURE THE ELECTRICAL CONNECTOR IS NOT DIRTY OR OILY BEFORE
_______ IT IS CONNECTED. A DIRTY OR OILY ELECTRICAL CONNECTOR CAN CAUSE DAMAGE TO SYSTEM COMPONENTS.
(6) Connect the electrical connector to the IDG air/oil heat exchanger thermal switch.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
AIRPLANES WITH IDG AIR/OIL HEAT ú 24-11-06
EXCHANGER THERMAL SWITCH ú ú 01 Page 403 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
(7) S 614-017Fill the IDG oil system (AMM 12-13-03/301).
(8) S 414-019Close the fan cowl panels (AMM 71-11-04/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
AIRPLANES WITH IDG AIR/OIL HEAT ú 24-11-06
EXCHANGER THERMAL SWITCH ú ú 01 Page 404 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
IDG TERMINAL BLOCK ASSEMBLY - REMOVAL/INSTALLATION
__________________________________________________
1. General
_______
A. This procedure contains two tasks:
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