S 215-230

 (33)
 Make sure the ACMP C2 in the center hydraulic system, in the aft left wing-to-body fairing, stops in less than 1 second.

 S 865-227
 S 865-229
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757 MAINTENANCE MANUAL
 S 865-231
 (34) Put these switches on the hydraulic control panel in the OFF position:
 (a)  
C HYD PUMPS ELEC 1

 (b)  
C HYD PUMPS ELEC 2.

 S 865-232
 (35)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11K16, ELEC PUMP RIGHT

 (b)  
11K25, ELEC PUMP LEFT

 H.  
Do a test of the Engine-Driven Pump (EDP) in the Left Hydraulic System With the Engine in Operation

 S 865-233
 (1)  Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag :
 (a)  11D31, HYDRAULIC PTU CONT
 S 865-235
 (2)  Put these switches, on the hydraulic control panel, in the OFF position:
 (a)  
L and R HYD PUMPS ELEC

 (b)  
C HYD PUMPS ELEC 1 and 2

 (c)  
L and R HYD PUMPS ENG.

 S 215-236
 (3)  
Make sure these lights on the hydraulic control panel are on:

 (a)  
SYS PRESS light for the left hydraulic system

 (b)  
PRESS light for the left EDP.

 (4)  
Operate the left engine at minimum power (AMM 71-00-00/201).

 S 215-238

 (5)  
Make sure these lights on the hydraulic control panel are on:

 S 865-237
 (a)  SYS PRESS light for the left hydraulic system
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 (b)  PRESS light for the left EDP.
 (6)  S 215-239Make sure the L HYD PRESS indication, on the EICAS display, is 0 to 200 psi.
　
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