(2)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
B. Access
(1) Location Zones
211/212 Flight Compartment
C. Remove the control panel as follows:
S 044-002
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.
S 864-003
(2)
Remove electrical power (AMM 24-22-00/201).
S 864-004
(3)
Make sure the BAT switch on the P5 panel is off and attach a DO NOT OPERATE tag.
S 024-005
(4)
Remove the control panel.
TASK 24-22-01-424-006Install the Electrical System Control Panel
____________________________________________
A. References
(1) AMM 24-22-00/201, Electrical Power - Control
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
B. Access
(1) Location Zones
211/212 Flight Compartment
C. Install the control panel as follows:
S 424-007
(1)
Install the electrical system control panel.
S 864-008
(2)
Remove the DO NOT OPERATE tag from the BAT switch on the P5 panel and make sure the BAT switch is in the on postion.
D. Do a test of the Control Panel Installation.
S 864-009
(1)
Supply external ac power to the ground handling bus
(AMM 24-22-00/201).
S 714-010
(2)
Make sure the APU GEN switch on the P5 panel is off.
S 864-011
(3)
Make sure the two BUS TIE switches on the P5 panel are off.
S 714-012
(4)
Make sure the lights on P5 panel that follow are on:
(a)
The yellow ISLN lights in the two BUS TIE switches,
(b)
The yellow left and right BUS OFF lights,
(c)
The yellow OFF light in the APU GEN switch,
(d)
The yellow OFF light in the right and the left GEN CONT switches,
(e)
The white AVAIL light in the EXT PWR switch.
(5)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 864-013
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24-22-01
ALL ú ú 01 Page 402 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
APU, LEFT, AND RIGHT GENERATOR CONTROL UNITS -
____________________________________________ REMOVAL/INSTALLATION
____________________
1. General
A. The APU generator control unit (GCU) is installed on shelf 3 of the mid equipment center rack E5. The right GCU is installed on shelf 2 of the E5 rack. The left GCU is installed on shelf 1 of the E5 rack. The removal/installation procedures are the same for all units.
B. This procedure has two tasks. The first task removes the generator control units from the airplane. The second task installs the generator control units on the airplanes.
TASK 24-22-02-004-002
2. Remove the Generator Control Units___________________________________
A. References
(1)
AMM 20-10-01/401, E/E Rack Mounted Components
(2)
AMM 20-41-01/201, Electrostatic Discharge Sensitive Devices
(3)
AMM 24-22-00/201, Electrical Power - Control
(4)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
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