"CAUTION, ENSURE POWER OFF. AFTER INSTALLATION OF FEEDER CABLES,
LOOSEN 6 SCREWS ONE FULL TURN (ACCESSED THROUGH THE IN COVER).
THEN RE-TORQUE TO 23-26 INCH-POUNDS USING A 9/64 IN HEX DRIVER."
NOTE: Do not do re-torque on airplanes with new rigid bus assemblies, (WITH SB24-1128)
(POST PRR 38317).
(a) Access to these screws is gained through six holes above and adjacent to the terminal
studs.
(b) Loosen the screws one full turn, then tighten the screws to 25 ±1 in-lb (3 ±0 N·m).
ILF ALL
H. Installation Test
SUBTASK 24-21-21-710-001
(1) Do this task: Operational Test for the AC Generation and Control System,
TASK 24-21-00-700-803.
SUBTASK 24-21-21-710-002
(2) Do this task: The Operational Test of the DC System, TASK 24-31-00-700-801.
SUBTASK 24-21-21-710-003
(3) Do this task: Equipment Cooling Fans - Operational Test, TASK 21-27-00-700-802.
SUBTASK 24-21-21-710-004
(4) Do this task: Engine Fuel Feed Pumps - Functional Test, TASK 28-22-00-730-801.
SUBTASK 24-21-21-710-005
(5) Do this task: Operational Test of the Hydraulic Systems A and B, TASK 29-11-00-700-801.
SUBTASK 24-21-21-710-006
(6) Do this task: Operational Test of the Standby Hydraulic System, TASK 29-21-00-700-801.
SUBTASK 24-21-21-710-007
(7) Do this task: Water Tank Pressurization System - Operational Test, TASK 38-42-00-800-803.
I. Put the airplane back to its usual condition.
SUBTASK 24-21-21-410-002
(1) Install the forward bulkhead liner.
SUBTASK 24-21-21-410-001
(2) Close this access panel:
Number Name/Location
117A Electronic Equipment Access Door
SUBTASK 24-21-21-860-003
(3) Do this task: Remove Electrical Power, TASK 24-22-00-860-812.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-21-21
Page 416
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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