(a)  
6E1, FUEL VALVES L SPAR

 (b)  
6C1, FUEL COND CONT L

 I.  
Do a Test of the Alternating Current Motor Pump (ACMP) in the Left Hydraulic System With the Engines in Operation

 S 865-279
 (1)  
Put the L HYD PUMPS ELEC switch, on the hydraulic control panel, in the ON position.

 S 215-280

 (2)  
Make sure the ACMP in the left hydraulic system, in the left wheel well, starts after 4 seconds.

 S 865-281

 (3)  
Put the L HYD PUMPS ELEC switch, on the hydraulic control panel, in the OFF position.

 S 215-282

 (4)  
Make sure the ACMP in the left hydraulic system, in the left wheel well, stops in less than 1 second.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 J.  Do a Test of the Engine-Driven Pump (EDP) in the Right Hydraulic System With the Engines in Operation
 S 215-283
 (1)  If the right engine is in operation, do these steps:
 (a)  
Make sure these lights on the hydraulic control panel are on: 1) SYS PRESS light for the right hydraulic system 2) PRESS light for the right EDP.

 (b)  
Put the R HYD PUMPS ENG switch, on the hydraulic control panel, in the ON position.

 S 215-284
 (2)  If the right engine is not in operation, do these steps:
 (a)  
Put the R HYD PUMPS ENG switch, on the hydraulic control panel, in the ON position.

 (b)  
Make sure these lights on the hydraulic control panel are on: 1) SYS PRESS light for the right hydraulic system 2) PRESS light for the right EDP.

 (c)  
Operate the right engine at minimum power (AMM 71-00-00/201).

 S 215-286
 (3)  
Make sure the R HYD PRESS indication, on the EICAS display, is 2850 to 3150 psi.

 S 215-287

 (4)
Make sure these lights on the hydraulic control panel are off:

 (a)  
SYS PRESS light for the right hydraulic system

 (b)  
PRESS light for the right EDP.

 S 215-288
 (5)  
Make sure the EICAS message, R HYD ENG PUMP, does not show on the EICAS display.

 S 215-289

 (6)  
Make sure the EICAS message, R HYD ELEC PUMP, shows on the EICAS display.
　
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