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 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (c)  
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.

 (d)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags: 1) 11C6, CSEU 1L AC

 or FLT CONT ELEC 1L AC
 2) 11C7, CSEU 1L DC
 or FLT CONT ELEC 1L DC

 (e)  
Make sure the amber RUDDER RATIO light on the P5 panel is OFF.

 (f)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: 1) 11C6, CSEU 1L AC

 or FLT CONT ELEC 1L AC
 2) 11C7, CSEU 1L DC
 or FLT CONT ELEC 1L DC

 (g)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags: 1) 11G17, CSEU 1R AC

 or FLT CONT ELEC 1R AC
 2) 11G18, CSEU 1R DC
 or FLT CONT ELC 1R DC

 (h)  
Make sure the RUDDER RATIO light on the P5 panel is OFF.

 (i)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: 1) 11G17, CSEU 1R AC

 or FLT CONT ELEC 1R AC
 2) 11G18, CSEU 1R DC
 or FLT CONT ELEC 1R DC

 (j)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags: 1) 11C8, CSEU 2L AC

 or FLT CONT ELEC 2L AC
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757
MAINTENANCE MANUAL

 2) 11C9, CSEU 2L DC
 or FLT CONT ELEC 2L DC

 (k)  
Make sure the RUDDER RATIO light on the P5 panel is OFF.

 (l)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: 1) 11C8, CSEU 2L AC

 or FLT CONT ELEC 2L AC
 2) 11C9, CSEU 2L DC
 or FLT CONT ELEC 2L DC

 (m)  
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags: 1) 11G27, CSEU 2R AC

 or FLT CONT ELEC 2R AC
 2) 11G28, CSEU 2R DC
 or FLT ELEC 2R DC

 (n)  
Make sure the RUDDER RATIO light on the P5 panel is OFF.

 (o)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: 1) 11G27, CSEU 2R AC

 or FLT CONT ELEC 2R AC
 2) 11G28, CSEU 2R DC
 or FLT CONT ELEC 2R DC

 S 215-166
 (14) Do these steps to do a check on the hydraulic signal interface:
 (a)  Push the RESET switch on the left and right RRCMs and do these
 checks:
 1)  Make sure all the fault balls on the RRCMs are black.
 2)  Make sure the amber RUDDER RATIO light on the P5 panel is
 OFF.
 3)  Make sure the amber RUDDER RATIO message does not come into
 view on the top EICAS display.
 (b)  Open these circuit breakers on the P11 panel and attach a
 DO-NOT-CLOSE tag:
 NOTE:____ Ignore the warnings you hear.
 1)  11C05 or 11H11, STAB TRIM CONT L

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(c)

(d)

(e)

(f)

(g)

757 MAINTENANCE MANUAL
Remove the power from the left hydraulic system (AMM 29-11-00/201) and do these checks:
 NOTE:____ Depress the brake/rudder pedals several times to
 bleed off unwanted hydraulic pressure.
 You will measure the time in the steps that follow.

 1)  Make sure the RUDDER RATIO light on the P5 panel can be seen in less than 30 seconds (after hydraulic power is removed).
 2)  Make sure an amber RUDDER RATIO message comes into view on the top EICAS display in less than 30 seconds (after hydraulic power is removed).
　
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