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 4)  Connect the hydraulic service cart pressure and return lines to the hydraulic system ground power connections with a flowmeter installed in the cart pressure line.
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL
_______ SURFACES WHEN YOU SUPPLY THE HYDRAULIC POWER. THE AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN YOU SUPPLY THE HYDRAULIC POWER.
 5)  Operate the hydraulic service cart to pressurize the system to 3000 psi.
 S 486-238
 (13) If you use the multimeter technique, do these steps for the system on which you do the check:
 (a)  Do these steps to install the multimeter and the clamp-on ac current probe: 1) For the left hydraulic system,
 get access to the ACMP ELCU M10001 in the P32 panel.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL

 2)  For the right hydraulic system,
 get access to the ACMP ELCU M10005
 in the P31 panel.

 3)  For the center hydraulic system,
 get access to the ACMP ELCU
 M10006 in the P31 panel.

 WARNING:  BE CAREFUL WHEN YOU INSTALL THE CLAMP-ON AC CURRENT PROBE INTO THE POWER PANEL. THE VOLTAGES IN THE POWER PANEL CAN KILL AND/OR CAUSE DAMAGE TO EQUIPMENT.
 4) Put the clamp-on ac current probe around one of the three wires which connect to the load side of the ELCU. 5) Connect the multimeter to the clamp-on ac current probe.
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES
_______ WHEN YOU SUPPLY THE HYDRAULIC POWER. THE AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN YOU SUPPLY THE HYDRAULIC POWER.
 (b)  Put the system electric pump switch on the P5 panel to the ON position.
 S 866-239
 (14)
 Pressurize the two hydraulic systems which are not in the test with a hydraulic service cart or the system ACMP (AMM 29-11-00/201).

 S 866-244

 (15)
 Make sure all the flight control shutoff valve switches on the right side panel, P61, are in the ON position.

 S 866-240

 (16)
 Operate the flight controls through five complete cycles to cause the hydraulic fluid to become warm.

 NOTE: One cycle is equivalent to movement from neutral to full
　
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本文鏈接地址：757 AMM 飛機維護手冊 液壓 CHAPTER 29 - HYDRAULIC POWER 1(134)