757
MAINTENANCE MANUAL
(b) Make sure these values show below STBY/BAT on the bottom EICAS display:
AC-V 115 |4
FREQ 400 |5
(3) S 914-013Do the EICAS Maintenance Message Erase procedure (AMM 31-41-00/201). (a) Make sure the EICAS message, STBY INVERTER, does not show on the top display.
(4) S 864-014Remove electrical power if it is not necessary (AMM 24-22-00/201).
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757 MAINTENANCE MANUAL
STANDBY POWER CONTROL PANEL - REMOVAL/INSTALLATION
__________________________________________________
1. General_______
A. The standby power control panel, M10062 (referred to as the control panel) is on the pilots' overhead panel, P5.
TASK 24-33-04-004-001
2. Remove the Standby Power Control Panel______________________________________
A. References
(1) AMM 27-61-00/201, Spoiler/Speedbrake Control System
B. Access
(1) Location Zones
211/212 Flight Compartment
C. Remove the Standby Power Control Panel
S 864-002
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(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)
Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags:
(a)
6A4, BAT CUR MON PWR
(b)
6A5, STBY PWR CONT
(c)
6C10, BAT BUS CONT
(d)
6D1, BAT OVHT PROT
(e)
6D2, BAT XFER CONT
(f)
6G5, STBY BUS OFF LT BAT VM
(g)
6K16, AC STBY BUS PWR
S 864-004
(3) Open this circuit breaker on the APU/external power panel, P34, and attach a DO-NOT-CLOSE tag:
(a) 34A16, MN/APU BAT CHGR DET ENABLE
S 864-005
(4) Open this circuit breaker on the aft equipment center rack, E6, and attach a DO-NOT-CLOSE tag:
(a) APU BAT OVHT PROT
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757 MAINTENANCE MANUAL
D. Remove the Standby Power Control Panel
S 024-006
(1) Remove the control panel.
TASK 24-33-04-404-007
3. Install the Standby Power Control Panel_______________________________________
A. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
B. Access
(1) Location Zones
211/212 Flight Compartment
C. Install the Standby Power Control Panel
S 424-008
(1)
Install the control panel.
S 864-009
(2)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead circuit breaker panel, P11:
(a)
6A4, BAT CUR MON PWR
(b)
6A5, STBY PWR CONT
(c)
6C10, BAT BUS CONT
(d)
6D1, BAT OVHT PROT
(e)
6D2, BAT XFER CONT
(f)
6G5, STBY BUS OFF LT BAT VM
(g)
6K16, AC STBY BUS PWR
S 864-010
(3) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the APU/external power panel, P34:
(a) 34A16, MN/APU BAT CHGR DET ENABLE
S 864-011
(4) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the aft equipment center rack, E6:
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