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A

757
MAINTENANCE MANUAL

 2)  Fill the flap transmission with oil to the level of the fill port.
 S 413-005
 (2)  Install the plug for the fill port, if it was removed.
 D.  Put the Airplane Back to Its Usual Condition
 S 863-017
 (1)  
Move the flap control lever to the zero (FLAPS UP) detent.

 S 213-018

 (2)  
Make sure that the TE flaps and LE slats move to the fully retracted position.

 S 093-019

 (3)  
Remove the DO-NOT-OPERATE tag from the flap control lever, if installed.

 S 863-020

 (4)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel:

 (a)  
6D20, ALTN SLAT PWR

 (b)  
6D23, ALTN FLAP PWR

 S 863-021
 (5)  Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
 (a)  
11B18, WARN ELEX B

 (b)  
11D31, HYDRAULICS PTU CONT

 (c)  
11H23, FLAP/SLAT ALTN DR SHUTOFF ARM

 (d)  
11J18, FLAP LOAD RELIEF

 (e)  
11J33, WARN ELEX A

 S 093-022
 WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).

 S 863-023

 (7)  
Remove the pressure from the center hydraulic system
 (AMM 29-11-00/201).

 (8)
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 863-024
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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757 MAINTENANCE MANUAL
 POTABLE WATER SYSTEM - SERVICING
________________________________
 1.  General
_______
 A.  This procedure gives the instructions to drain the potable water system and to fill the potable water tank.
 B.  This Chapter/Section/Subject/Page Block uses Configurations (CONFIGs) to identify different water system configurations used by operators: CONFIGURATION 1:
 airplanes with standard capacity (60 gal) water tank -ie, used for airplanes with the recirc toilet system.
 CONFIGURATION 2: airplanes with increased capacity (120 gal) water tank -ie, used for airplanes with the vacuum waste system.
 C.  If an operator does not have a particular configuration in their fleet, that CONFIG's procedure will be LIMITED as CONFIGURATION NOT USED and will contain no instructions.
 TASK 12-14-01-683-001-001
 2.  Drain the Potable Water System (Fig. 301)
______________________________
 A.  Access
 (1)  
Location Zone 165 Area Aft of Bulk Cargo Compartment (Left)

 (2)  
Access Panel 165AL Potable Water Service Panel (757-200 4DR Airplanes) 165BL Potable Water Service Panel (757-200 OWX Airplanes)

 B. Procedure ú ú S 683-071-001 ú         ú
WARNING:_______IF THE POTABLE WATER SYSTEM IS NOT DRAINED OR IN NORMAL SERVICE ú A MINIMUM OF ONE TIME EACH THREE DAYS, THE GROWTH OF BACTERIA ú CAN OCCUR. IF BACTERIA GROWTH CONTINUES, AND YOU DRINK THE ú WATER, ILLNESS CAN OCCUR. ú ú (1) Obey this warning for this task.
 S 863-002-001
 (2)  
Open the applicable HEATERS LAV WATER circuit breaker on the right miscellaneous electrical equipment panel, P37, row F and attach a DO-NOT-CLOSE tag.

 S 863-003-001

 (3)  
Open the applicable HEATERS LAV WATER or LAV WTR HTR circuit breaker on the miscellaneous relay panel, P70, row A and attach a DO-NOT-CLOSE tag.