(d)  
Install the four screws that hold the current monitor.

 (e)  
Connect the electrical connector to the current monitor.

 (f)  
Connect the battery ground lead (from the current monitor) to the main battery shunt and tighten the nuts on the battery shunt to 35 +/- 5 inch-pounds.

 (g)  
Connect the battery connector to the main battery.

 S 864-006
 CAUTION: CLOSE THESE CIRCUIT BREAKERS IN THE SEQUENCE SHOWN TO PREVENT
_______
 DAMAGE TO THE BATTERY CHARGER.

 (2)  Remove the DO-NOT-CLOSE tag and close these circuit breakers on the P6 panel:
 (a)  
AIRPLANES WITH EXTENDED STANDBY POWER; 6L7, APU/MAIN BAT TIE

 (b)  
6L8, MAIN BAT CHGR

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757 MAINTENANCE MANUAL
 (c)  
6L9, HOT BAT BUS

 (d)  
6L10, BAT BUS PWR

 (e)  
6L11, INV PWR BAT

 (f)  
6L12, CENTER BUS DC

 (g)  
6F6, LANDING GEAR ALTN EXT MOTOR

 S 864-007
 (3)  Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P37 panel:
 (a)  37B2, BATTERY CHARGERS MAIN
 D. Do a test of the current monitor installation:
 S 864-008
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 714-009

 (2)  
Do these steps at the standby power control panel on the pilots' overhead panel, P5:

 (a)  
Push the BAT switch to the ON position.

 (b)  
Make sure the white light in the switch comes on.

 (c)  
Turn the STBY POWER switch to the BAT position.

 (d)  
AIRPLANES WITH 30-MINUTE STANDBY POWER;
 Make sure the yellow DISCH light comes on.

 (e)  
AIRPLANES WITH EXTENDED STANDBY POWER; Make sure the yellow MAIN BAT DISCH light comes on.

 (f)  
Turn the STBY POWER switch to the AUTO position.

 (g)  
Push the BAT switch to the OFF position.

 (h)  
Make sure the yellow light in the switch comes on.

 (3)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 864-010
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757 MAINTENANCE MANUAL
 MAIN BATTERY AND MAIN BATTERY TRANSFER RELAYS - REMOVAL/INSTALLATION
____________________________________________________________________
 1.  General_______
 A.  The main battery relay, K104, and the main battery transfer relay, K106, are in the main power distribution panel, P6, in the flight compartment.
 TASK 24-31-06-004-002
 2.  Remove the Main Battery Relay or Main Battery Transfer Relay (Fig. 401)____________________________________________________________
 A.  References
 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
27-61-00/201, Spoiler/Speedbrake Control System

 B.  Access
 (1)  Location Zone
 211/212 Flight compartment

 C.  Prepare for Removal
 S 864-001
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZERS 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 (Ref 27-61-00) or move all persons and equipment away from the spoilers.

 (2)
Remove electrical power from the airplane (Ref 24-22-00).

 S 864-004

 (3)  
Open these circuit breakers on the main power distribution panel (referred to as the P6 panel) and attach a DO-NOT-CLOSE tag:
　
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