(g) Stop the No. 2 engine. To stop it, do this task: Stop the Engine Procedure (Usual Engine
Stop), TASK 71-00-00-700-819-F00.
(h) Do this task: Open the Fan Cowl Panels, TASK 71-11-02-010-801-F00.
WARNING
DO NOT TOUCH THE COMPONENTS OF THE OIL SYSTEM IF THE
ENGINE IS HOT. THESE COMPONENTS STAY HOTTER THAN OTHER
COMPONENTS. HOT COMPONENTS CAN BURN YOU.
WARNING
DO NOT LET HOT OIL GET ON YOU. PUT ON GOGGLES AND OTHER
EQUIPMENT FOR PROTECTION OR LET THE ENGINE BECOME COOL.
HOT OIL CAN BURN YOU.
CAUTION
DO NOT RESET THE IDG IF THE INPUT SPEED OF THE ENGINE
GEARBOX IS MORE THAN 100 REVOLUTIONS PER MINUTE (RPM). IF
THE IDG IS RESET WITH THE ENGINE GEARBOX SPEED GREATER
THAN 100 RPM, DAMAGE TO THE IDG WILL OCCUR.
(i) Slowly pull the IDG Disconnect Reset Ring on the IDG to the outward travel limit. Monitor
the hand force necessary to pull the ring.
(j) Make sure a click can be felt in the IDG Disconnect Reset Ring as it gets near the
outward limit of travel.
NOTE: Operation of the IDG Disconnect Reset Ring should be smooth with moderate
force necessary and no indication of binding.
(k) Allow the IDG Disconnect Reset Ring to slowly return to the maximum inward position.
(l) Slowly pull the IDG Disconnect Reset Ring on the IDG to the outward travel limit. Monitor
the hand force necessary to pull the ring.
(m) Make sure the amount of hand force necessary is less than the amount required in the
previous pull.
(n) Make sure that no click is felt in the IDG Disconnect Reset Ring during the second pull.
1) If a click is produced during the second pull of the IDG Disconnect Reset Ring,
replace the IDG. These are the tasks:
• Integrated Drive Generator (IDG) Removal, TASK 24-11-11-000-801
• Integrated Drive Generator (IDG) Installation, TASK 24-11-11-400-801.
(o) Allow the IDG Disconnect Reset Ring to slowly return to the maximum inward position.
SUBTASK 24-11-00-710-008
(2) Make a check of the IDG disconnect inhibit function as follows:
NOTE: The IDG disconnect function is inhibited when the engine is below idle speed.
CAUTION
DO NOT ACTUATE THE DISCONNECT SWITCH FOR MORE THAN 3
SECONDS. ALLOW A MINIMUM OF 60 SECONDS BETWEEN
ACTUATION PERIODS. FAILURE TO FOLLOW THIS PROCEDURE CAN
CAUSE DAMAGE TO IDG.
(a) Push the 2 DISCONNECT switch on the P5 panel to the DISCONNECT position.
NOTE: Put a person near the IDG listening for no click and feeling for no movement
while lightly holding the IDG Disconnect Reset Ring. There should be no click
and no movement at IDG when the 2 DISCONNECT switch is pushed.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-11-00
Page 516
D633A101-ILF Feb 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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