(a)  
SYS PRESS light for the center hydraulic system

 (b)  
PRESS light for the ACMP C1

 (c)  
PRESS light for the ACMP C2.

 S 735-207
 (15) Do these steps to do a test of the ACMP C1 enable relay:
 (a)  
Open this circuit breaker on the P6 panel and attach DO-NOT-CLOSE tags: 1) 6K13, HYD EMP ENABLE C1

 (b)  
Remove the isolation request relay, K122, on the P6 panel.

 (c)  
Install a jumper between the pins B1 and B2 on the connector D542, on the P6 panel.

 (d)  
Put the R BUS TIE switch, on the P5 panel, in the ISLN position.

 (e)  
Put the C HYD PUMPS ELEC 1 switch, on the hydraulic control panel, in the ON position.

 (f)  
Make sure the ACMP C1 in the center hydraulic system, in the aft left wing-to-body fairing, does not start.

 (g)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel: 1) 6K13, HYD EMP ENABLE C1

 (h)  
Make sure the ACMP C1 in the center hydraulic system, in the aft left wing-to-body fairing, starts after 2 seconds.

 (i)  
Open this circuit breaker on the P6 panel and attach a DO-NOT-CLOSE tag: 1) 6K13, HYD EMP ENABLE C1

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 29-11-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (j)  
Make sure the ACMP C1 in the center hydraulic system, in the aft left wing-to-body fairing, stops.

 (k)  
Remove the jumper between the pins B1 and B2 on the connector D542, on the P6 panel.

 (l)  
Make sure the ACMP C1 in the center hydraulic system, in the aft left wing-to-body fairing, starts after 2 seconds.

 (m)  
Put the C HYD PUMPS ELEC 1 switch, on the hydraulic control panel, in the OFF position.

 (n)  
Install the isolation request relay, K122, on the P6 panel.

 (o)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel: 1) 6K13, HYD EMP ENABLE C1

 S 865-211
 (16) Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
 (a)  11K15, ELEC PUMP C1
 S 095-339
 (17) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:
 (a)  11K24, ELEC PUMP C2
 S 865-212
 (18)
 Put the left and right BUS TIE switches, on the P5 panel, in the AUTO position.
　
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