757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 2(30)

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 D.  Reservoir Fill Filter Module
 (1)  Fluid from the hand pump and pressure fill connection flows through the filter module. The filter prevents contamination of the system during ground filling. The filter is a nonbypass unit containing a noncleanable filter element.
 E.  Reservoir Fill Selector Valve
 (1)  This manual valve selects which reservoir is to be filled. An electric switch on the valve connects the remote quantity indicator to the quantity transmitter of the reservoir to be filled. The valve shuts off all ports in the closed position. When the valve is in the closed position the electric switch is in the OFF position.
 F.  Reservoir Remote Quantity Indicator
 (1)  The remote quantity indicator shows the fluid level in the reservoir being filled. The fill selector valve controls which reservoir is monitored by the indicator.
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A

757
MAINTENANCE MANUAL

FILTER MODULE, AND SELECTOR VALVE, BSEE QUANTITY INDICATOR 
CSEE PUMP MANUAL FILL RESERVOIR 
SEE A 
FILTER MODULE RESERVOIR FILL 
INDICATOR QUANTITY RESERVOIR 
OUTBDFWD SELECTOR VALVE RESERVOIR FILL  A BSEE CONNECTION PRESSURE FILL  FWD 
CONNECTION PRESSURE FILL  FILL PUMP MANUAL RESERVOIR 
B 
PUMP HANDLE 

SUCTION HOSE  FWD 
C  OUTBD 
Figure 1 Reservoir Central Fill System 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

757
MAINTENANCE MANUAL

 3. Operation
_________
 A. Functional Description
 (1)  The ground servicing system fills all hydraulic reservoirs from one location. A manual fill mode and a pressure fill mode can be used for servicing. The reservoir is filled in the manual fill mode with flow from a container of fluid using the hand pump. The pressure fill mode directs flow from a ground servicing cart to the selected system reservoir return lines to fill the reservoir. The selector valve selects the reservoir to be filled. A switch on the valve connects the remote indicator to the respective quantity transmitter.
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A
757 FAULT ISOLATION/MAINT MANUAL
GROUND SERVICING SYSTEM
COMPONENT SHT 102 FIG.  QTY  ACCESS/AREA  REFERENCE 
CIRCUIT BREAKERS -- 1  FLIGHT COMPARTMENT, P11 PANEL 
HYDRAULICS QTY CTR, C4192  1  11K19  * 
HYDRAULICS QTY LEFT, C1101  1  11K20  * 
HYDRALICS QTY RIGHT, C4193  1  11K21  * 
CONNECTION - PRESSURE FILL  -- 1  197KL, AFT LEFT WING-TO-BODY FAIRING 29-18-00 
　
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