(h)
Move the arm of the battery hoist over the main battery.
(i)
Attach the spreader bar to the main battery.
WARNING: STAY AWAY FROM THE AREA BELOW THE MAIN BATTERY WHEN THE
_______ BATTERY IS HUNG FROM THE HOIST. DO NOT MOVE THE BATTERY ABOVE PERSONS DURING REMOVAL. THE BATTERY WEIGHS 96 POUNDS AND FAILURE OF THE BATTERY HOIST COULD INJURE PERSONS.
(j) Remove the main battery.
TASK 24-31-01-404-012
3. Install the Main Battery________________________
A. Equipment
(1) Hoist - Main Battery, B24001-109 or B24001-110
B. References
(1)
SWPM 20-20-00, Standard Wiring Practice Manual D6-54446.
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 31-41-00/201, EICAS
C. Access
(1)
Location Zones
(a)
113 Area forward of NLG wheel well (LH side)
(b)
114 Area forward of NLG wheel well (RH side)
(c)
211 Control Cabin - section 41 (LH side)
(d)
212 Control cabin - section 41 (RH side)
(2)
Access Panels
(a) 113AL Forward equipment center access
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D. Install the Main Battery
S 424-019
(1) Do these steps to install the main battery:
(a)
Set the battery so that the terminals are to the right side of the airplane.
(b)
Attach the spreader bar to the main battery.
WARNING: STAY AWAY FROM THE AREA BELOW THE MAIN BATTERY WHEN THE
_______ BATTERY IS HUNG FROM THE HOIST. DO NOT MOVE THE BATTERY ABOVE PERSONS DURING INSTALLATION. THE BATTERY WEIGHS 96 POUNDS AND FAILURE OF THE BATTERY HOIST COULD INJURE PERSONS.
(c)
Use the battery hoist to lift the main battery into the forward equipment center.
(d)
Lower the main battery into the battery tray.
(e)
Remove the main battery hoist.
(f)
Fold the main battery hoist and lock the hoist in this position with the equipment that is attached.
(g)
Install the screws that attach the main battery.
(h)
Connect the electrical connectors to the main battery.
S 864-027
(2) If you opened the circuit breakers in the Prepare for Removal step, do these steps to close those circuit breakers:
CAUTION:_______CLOSE THE CIRCUIT BREAKERS IN THE SEQUENCE SHOWN. IF YOU DO NOT CLOSE THE CIRCUIT BREAKERS IN THIS SEQUENCE DAMAGE TO THE BATTERY CHARGER CAN OCCUR.
(a) Remove the DO-NOT-CLOSE tags and close these P6 panel circuit breakers: 1) 6D2, BAT XFR CONT 2) 6L8, MAIN BAT CHGR 3) 6L9, HOT BAT BUS 4) 6L12, CENTER BUS DC 5) 6F6, LANDING GEAR ALTN EXT MOTOR 6) AIRPLANES WITH EXTENDED STANDBY POWER;
6L7, APU/MAIN BAT TIE
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(b) Remove the DO-NOT-CLOSE tag and close this P37 panel circuit breaker: 1) 37B2, MAIN BATTERY CHARGER
E. Do these steps to check the main battery shunt:
S 214-023
(1) If there is a crack in the battery shunt body, a thread damage to the terminal posts, or corrosion on the terminal posts, do these steps to replace the battery shunt:
(a) Replace the battery shunt (AMM 24-31-09/401).
S 164-024
(2) Clean the area around the battery shunt and the ground stud nut.
F. Do a test of the main battery installation.
S 864-008
(1)
Supply electrical power (AMM 24-22-00/201).
S 864-009
(2)
Make sure the six EICAS circuit breakers on the overhead panel, P11, are closed.
S 914-010 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 电源 ELECTRICAL POWER 2(32)
