29-11-00
 ALL  ú ú 01 Page 513 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (b)  
11D29, HYDRAULIC ENG PUMP SOV R or
 HYDRAULIC ENG PUMP SUPPLY RIGHT

 (c)  
11K9, LEFT ENGINE OIL PRESS

 (d)  
11K14, L ENG PUMP VLV DEPRESS or
 LEFT ENGINE PUMP DEPRESS

 (e)  
11K15, ELEC PUMP C1

 (f)  
11K16, ELEC PUMP RIGHT

 (g)  
11K17, SYSTEM PRESS LEFT

 (h)  
11K18, SYSTEM PRESS CENTER

 (i)  
11K19, HYDRAULICS QTY CTR

 (j)  
11K20, HYDRAULICS QTY LEFT

 (k)  
11K21, HYDRAULICS QTY RIGHT

 (l)  
11K22, RESERVE BRAKE SOURCE

 (m)  
11K23, R ENG PUMP VLV DEPRESS or
 R ENG PUMP DEPRESS

 (n)  
11K24, ELEC PUMP C2

 (o)  
11K25, ELEC PUMP LEFT

 (p)  
11K26, SYSTEM PRESS RIGHT

 (q)  
11K35, RIGHT ENGINE OIL PRESS

 (r)  
EICAS (6 locations)

 S 865-087
 (8)  Make sure these circuit breakers on the power distribution panel, P6, are closed:
 (a)  
6C1, FUEL CONT CONT L

 (b)  
6C2, FUEL COND CONT R

 (c)  
6K13, HYD EMP ENABLE C1

 (d)  
6K14, HYD EMP ENABLE R1

 (e)  
6K19, HYD EMP ENABLE C2

 S 865-091
 (9)  Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
 (a)  11D31, HYDRAULICS PTU CONT
 S 865-092
 (10)
 Push the ELEC/HYD switch on the EICAS MAINT panel, on the right side panel, P61.

 S 215-093

 (11)
 Make sure the L, C, and R HYD QTY indication on the EICAS display is at least 0.80.

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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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
 E.  Do a Test of the Alternating Current Motor Pump (ACMP) in the Left Hydraulic System with the Engines Not in Operation
 S 865-137
 (1)  Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
 (a)  
11K15, ELEC PUMP C1

 (b)  
　
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