S 213-078
 (18) Examine the end of the drain tube and the seal in the drain cap for damage or deterioration.
 NOTE: You must replace the drain tube nipple or the drain cap seal
____
 if they are damaged.

 (a)  Turn the CLOSE lever in the direction of the CLOSED arrow and hold the CLOSED lever in the closed position.
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 (b)  
Turn the OPEN lever momentarily in the opposite direction of the OPEN arrow to lock the flapper valve in the closed position.

 (c)  
Release both levers.

 S 013-045
 (19) Close the drain cap.
 NOTE: On the service panels with the interlocking drain
____ cap/drain plug, the drain cap will not close if the drain plug in not installed correctly.
 G. Put the Airplane To Its Usual Condition
 S 013-046
 (1)  Close the service panel door.
 TASK 12-17-00-103-048
 3. Service Panel Cleaning
______________________
 A. Equipment
 (1)  Soft-bristle brush or sponge
 B. Consumable Materials
 (1)  Manual alkaline emulsion cleaner (Ref 12-40-00/201)
 C. References
 (1)  AMM 12-40-00/201, Cleaning and Washing
 D. Access
 (1)  
Location Zones
 103 Forward Lavatory
 113 Left Aft Lavatory
 114 Right Aft Lavatory

 (2)  
Access Panels
 1104 Forward Toilet Panel
 1502 Toilet Service Door

 E. Procedure
 S 163-049
 (1)  Regularly wash the panel with water and cleaner.
 NOTE: Use a soft bristle brush or a sponge when it is necessary
____
 to remove contamination.

 S 163-050
 (2)  Dry the service panel with a clean cloth.
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 PERIODIC LUBRICATION - SERVICING
________________________________
 TASK 12-20-00-643-001
 1.  Servicing - General___________________
 A. Lubrication (AMM 20-30-21/201)
 S 643-003
 CAUTION: LUBRICATE ONLY THE BEARINGS AND BUSHINGS THAT HAVE LUBRICATION
_______ FITTINGS. LUBRICATION OF THE BEARINGS AND BUSHINGS WITH TEFLON WILL CAUSE DETERIORATION OF THE TEFLON AND WILL DECREASE THE BEARING LIFE.
 (1)  Some bearings and bushings used on the airplane have teflon bearing surfaces. It is not necessary to lubricate these bearings.
 (a)  Data about how to lubricate an airplane is given in the subsequent subjects of this section.
FILL TO LEVEL PAINT BRUSH OF FILLER PORT GREASE GUN HAND GREASE GUN OIL CAN

FILL 
MIL-H-5606 

ZERK 
MIL-G-23827 

LUBRICATION REQUIREMENTS NOT
IN CHAP 12

FOR LUBRICATION REQUIREMENT, REFER TO CHAPTER 27, JACKSCREW LUBRICATOR RESERVOIRS - UNIT SERVICING

METHOD OF APPLICATION 
TYPE OF LUBRICANT 

SAMPLE SYMBOLS
Lubrication Symbols Figure 301
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 (b)  The grease guns, brushes and oil cans must be clean and free of all things but the lubricant you will use.
 NOTE: Some incompatibility may exist between MIL-G-23827 and
　
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