(a)  
Make sure the manual override lever on the actuator is in the fully closed position.

 (b)  
Align the actuator output shaft with the adapter shaft.

 (c)  
Make sure the two spaces for teeth on the adapter shaft align with the actuator output shaft.

 (d)  
Put the actuator output shaft into the adapter shaft.

 S 434-063
 (4)  
Do these steps to install the actuator (1):

 (a)  
Install the socket-head cap screws (3) and washers (4) to attach the actuator (1) to the index plate.

 (b)  
Install lockwire on the screws.

 CAUTION: MAKE SURE THERE IS CLEARANCE BETWEEN THE VALVE ACTUATOR
_______ MANUAL OVERRIDE LEVER, AND THE SPAR ADAPTER PLATE AND INDEX PLATE LOCKWIRE. IF THERE IS NOT CLEARANCE, THE MANUAL OVERRIDE LEVER CANNOT MOVE PROPERLY. THIS CAN PREVENT ENGINE SHUTDOWN OR CAUSE ACTUATOR MOTOR DAMAGE.
 (c)  Make sure there is clearance between the manual override lever and the adapter plate.
 S 434-017
 (5)  Attach the bonding jumper (7) to the actuator (1) with the screw (8), washers (6), and nut (5) (SWPM 20-20-00).
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747-400 MAINTENANCE MANUAL
 S 224-039
 (6)  Measure the electrical resistance between the actuator and the spar (SWPM 20-20-00).
 NOTE: The resistance must not be more than 0.008 ohm.
____
 S 434-018
 (7)  Connect the electrical connector (2) to the actuator (1).
 NOTE: Refer to the table that follows for the equipment numbers.
____
 ~................................................................. | | Equipment Number | | Location ............................ | | Valve | Connector | ................................................................... | No. 1 Engine Fuel Shutoff Valve | V13 | DV13 | | No. 2 Engine Fuel Shutoff Valve | V14 | DV14 | | No. 3 Engine Fuel Shutoff Valve | V15 | DV15 | | No. 4 Engine Fuel Shutoff Valve | V16 | DV16 | 2......................................…...........…..............1
 S 864-021
 (8)  
Remove the DO-NOT-CLOSE tag and close the applicable circuit breaker:

 (a)  
P6 Main Power Distribution Panel
 1) 6G1 FUEL SHUTOFF VALVE ENG 1
 2) 6G2 FUEL SHUTOFF VALVE ENG 2
 3) 6G3 FUEL SHUTOFF VALVE ENG 3
 4) 6G4 FUEL SHUTOFF VALVE ENG 4

 S 714-022
 (9)  
Do this task: Engine Fuel Shutoff Valves (Spar Valves) Operational Test (AMM 28-22-00/501).

 F.
Put the Airplane to Its Usual Condition

 (1)  
Install the access panel, 521EB or 621EB, if it was removed.

 S 414-024
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 S 094-025
 WARNING:_______ YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
 LE FLAP SAFETY LOCKS.  THE LE FLAPS CAN MOVE QUICKLY IF YOU DO
 NOT DO THE STEPS CORRECTLY.  THIS CAN CAUSE INJURY TO PERSONS

 OR DAMAGE TO EQUIPMENT.
 (2)  
If the leading edge flaps are extended, then do this task: Safety Lock Removal and Leading Edge Flap Activation (AMM 27-81-00/201).

 S 444-066

 (3)  
If the leading edge flaps are retracted, then do this task: Retracted Leading Edge Flaps Activation (AMM 27-81-00/201).

 S 864-044

 (4)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

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