S 035-055

 (50)
 Disconnect the pressure hose of the hydraulic service cart from the pressure hose of the engine-driven pump.

 S 435-056

 (51)
 Connect the pressure hose to the engine-driven pump
 (AMM 29-11-05/401).

 S 415-057
 CAUTION: MAKE SURE YOU LATCH THE DOORS ON THE TRAILING EDGE FAIRING
_______ CORRECTLY. IF THE DOORS OPEN DURING A FLIGHT, THIS CAN CAUSE DAMAGE TO THE DOORS.
 (52)
 Close the doors on the trailing edge fairing (AMM 54-62-00/201).

 S 865-058

 (53)
 Do the "Put Safety-Sensitive Systems Back to the Condition Before Air Mode Simulation" procedure (AMM 32-09-02/201).

 D.
Alternate Procedure

 NOTE: This is an alternate procedure for performing operational test of
____ the ADP. This procedure uses dry-motoring of engine, instead of using a Hydraulic ground cart. This eliminates the need to connect a hydraulic ground cart to the EDP pressure hose at the engine.
 S 865-089
 (1) Supply electrical power (AMM 24-22-00/201).
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747-400 MAINTENANCE MANUAL
 S 865-090
 WARNING:_______ YOU MUST CAREFULLY FOLLOW THE STEPS IN THE SPECIFIED TASK TO
 PREPARE THE SAFETY SENSITIVE SYSTEMS FOR THE AIR MODE.  FAILURE
 TO FOLLOW THE STEPS CORRECTLY CAN CAUSE THE AUTOMATIC OPERATION
 OF THE AIRPLANE SYSTEMS.  THIS CAN CAUSE INJURY TO PERSONS AND

 DAMAGE TO EQUIPMENT.
 (2)  Do the "Prepare Safety-Sensitive Systems for the Air Mode Simulation" task (AMM 32-09-02/201).
 S 865-091
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL THE
_______ FLIGHT CONTROL SURFACES, BEFORE YOU OPEN THE FLIGHT CONTROL SHUTOFF VALVES. THE FLIGHT CONTROL SURFACES CAN MOVE QUICKLY WHEN YOU OPEN THE FLIGHT CONTROL SHUTOFF VALVES. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (3)  Put the eight WING and TAIL FLT CONTROL SHUTOFF switches, for the hydraulic systems 1 thru 4, to the ON position.
 NOTE: These switches are on the P461 panel.
____
 S 865-092
 (4)  
Release the pressure in the hydraulic system (AMM 29-11-00/201).

 S 015-093

 (5)  
Open the doors on the trailing edge fairing (AMM 54-62-00/201).

 S 865-098

 (6)  
Disconnect connector DM3108 or DM7202 (as applicable) from the fuel metering unit on the applicable engine (AMM 73-21-01/401).

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747-400 MAINTENANCE MANUAL
 S 865-103
 WARNING:_______ MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
 FLAPS AND THE FLAP DRIVE MECHANISMS, BEFORE YOU MOVE THE FLAP
 CONTROL LEVER.  WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL
 MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP
 CONTROL LEVER.  THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO

 EQUIPMENT.
 (7)  
Make sure that the trailing edge flaps and the flap control lever are in the UP position.

 S 865-104

 (8)  
Put the applicable HYD DEMAND PUMPS switch, on the overhead panel, P5, in the OFF position.

 S 215-105

 (9)  
Make sure the PRESS light, for the applicable demand pump, is on.

 S 215-166

 (10)
 Set the EDP switch in the ON position.

 S 865-106
 CAUTION: OPERATE ONLY THE SYSTEMS WITH HYDRAULIC POWER WHICH THIS TEST
_______ PROCEDURE TELLS YOU TO OPERATE. KEEP THE TEST TIME TO A MINIMUM. MONITOR THE FLUID LEVEL IN THE HYDRAULIC RESERVOIR CONTINUOUSLY.
 DO NOT OPERATE THE ENGINE STARTER MORE THAN THE SPECIFIED LIMITS IN THE DUTY CYCLE. IF YOU OPERATE THE STARTER MORE THAN THE SPECIFIED LIMITS , YOU CAN CAUSE DAMAGE OT THE STARTER OR THE GEARBOX.
　
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