E. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
22 O-ring 24-11-11-50-025 ILF ALL
F. Location Zones
Zone Area
410 Subzone - Engine 1
411 Engine 1 - Engine
420 Subzone - Engine 2
421 Engine 2 - Engine
G. Prepare for the Removal
SUBTASK 24-11-11-860-007
(1) Open these circuit breakers and install safety tags:
F/O Electrical System Panel, P6-4
Row Col Number Name
F 10 C01283 GENERATOR CONT UNIT 1
F 11 C01284 GENERATOR CONT UNIT 2
NOTE: No corrective action is necessary if the following maintenance messages display: AUX
BAT CHGR INOP or BAT CHGR INOP. These maintenance messages are nuisance
faults that will display when only battery power is supplied to the airplane.
SUBTASK 24-11-11-010-001
(2) Do this task: Open the Fan Cowl Panels, TASK 71-11-02-010-801-F00.
H. IDG Removal
SUBTASK 24-11-11-610-001
WARNING
DO NOT TOUCH THE COMPONENTS OF THE OIL SYSTEM IF THE APU IS
HOT. THESE COMPONENTS STAY HOTTER THAN OTHER COMPONENTS.
HOT COMPONENTS CAN BURN YOU.
WARNING
DO NOT OPEN THE OIL SYSTEM UNTIL THE PRESSURE GOES TO ZERO.
THE PRESSURE GOES TO ZERO APPROXIMATELY 5 MINUTES AFTER AN
ENGINE STOPS. A PRESSURIZED OIL SYSTEM CAN RELEASE A SPRAY OF
HOT OIL THAT CAN BURN YOU.
WARNING
DO NOT LET HOT OIL GET ON YOU. PUT ON CLOTHES, GOGGLES, AND
OTHER EQUIPMENT FOR PROTECTION, OR LET THE ENGINE BECOME
COOL. HOT OIL CAN BURN YOU.
CAUTION
DO NOT LET HOT OIL GET ON THE ENGINE OR OTHER COMPONENTS.
IMMEDIATELY CLEAN THE COMPONENT IF OIL FALLS ON IT. OIL CAN
CAUSE DAMAGE TO PAINT AND RUBBER.
(1) Do the following steps to drain the IDG oil:
(a) Push the vent valve [15] on the IDG [10] for a minimum of 15 seconds.
(b) Remove the lockwire from the IDG case drain plug [17].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-11-11
Page 402
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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