TASK 24-11-62-400-801
3. IDG Terminal Block Installation
(Figure 401)
A. General
(1) This task includes the steps to install the IDG terminal block.
B. References
Reference Title
24-22-00-860-817 Supply IDG Power (P/B 201)
71-11-02-410-801-F00 Close the Fan Cowl Panels (P/B 201)
C. Location Zones
Zone Area
410 Subzone - Engine 1
420 Subzone - Engine 2
D. Prepare for the Installation
SUBTASK 24-11-62-860-002
(1) Make sure that these circuit breakers are open and have 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 24-11-62-910-001
(2) Use a dry clean cloth to wipe any oil or debris from the surface of IDG where terminal block
mates with the IDG.
E. IDG Terminal Block Installation
SUBTASK 24-11-62-400-001
(1) Do these steps to install the terminal block [9] on the IDG [1]:
(a) Install one square washer [8] on each of the four studs of the terminal block [9].
CAUTION
MAKE SURE THAT THE WASHERS ARE INSTALLED IN THE CORRECT
LOCATIONS. INCORRECT INSTALLATION OF THE WASHERS CAN
CAUSE DAMAGE TO THE EQUIPMENT.
(b) Position the terminal block [9] on the IDG [1] with the four square washers [8] under the
through lead straps.
1) Make sure that the four square washers [8] are under the through lead straps (View
A-A, Figure 401).
2) Make sure the through lead straps are between the raised edges of the square
washers [8].
(c) Install the two screws [6] and two washers [7] that hold the terminal block [9] to the
IDG [1].
1) Tighten the screws to 20 in-lb (2 N·m) - 22 in-lb (2 N·m).
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-11-62
Page 404
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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