1)  Send the wheel and tire assembly for an inspection to find the cause for the low tire.

(b)
Replace the wheel and tire assembly installed on the opposite side of that axle.

1)  Mark on the tire that it was on the same axle with a wheel and tire assembly that was replaced because of low tire pressure and send it for inspection for damage.
2)  Send the wheel and tire assembly for an inspection to find the cause for the low tire.
500 
May 01/01  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  12-15-51 Page 205 

 Air Refill Pressure  500 
12-15-51Page 206   Figure 202 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Aug 01/95 

RAIN REPELLENT CONTAINER - SERVICING
EFFECTIVITY
All Airplanes with Active Rain Repellent Systems
1.  General (Fig. 301)
A.  The rain repellent container is located in the flight compartment as shown in Fig. 301. The container is to be replaced when the sight level indicator in the reservoir indicates container replacement is necessary.
2.  Service Rain Repellent Container (Fig. 301)
A.  Close manual shutoff valve by turning handle to horizontal position.
WARNING:  IF REPELLENT CONTACTS EYES OR SKIN, IMMEDIATELY AND THOROUGHLY FLUSH AFFECTED AREA WITH WATER. IRRITATION MAY RESULT.
B.  Release container clamp and unscrew container from receptacle.
C.  Examine container seat and O-ring to ensure that tight seal will be obtained with new container.
D.  Screw new container into receptacle.
CAUTION:  TIGHTEN CONTAINER FINGER-TIGHT ONLY. EXCESSIVE TORQUE MAY CAUSE LEAKAGE.
E.  Tighten clamp.
F.  Turn manual shutoff valve to vertical position.
G.  Check that repellent level float in the visual reservoir is at the full position (top).
NOTE:  If a new rain repellent container is installed and the fluid level remains at the low level. Then removal and reinstallation of the rain repellent container is required to relieve the gas pressure. This allows the fluid level to show a new level.
May 01/98 12-16-1 Page 301
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

G11743
Rain Repellent Container Installation  506 
12-16-1  Figure 301  Feb 20/89 
Page 302 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

TOILET – SERVICING
1. General
A.  These servicing procedures apply to each toilet system. The drain fitting, flush port and drain valve handle are accessible by opening the servicing door (Fig. 201). Each time the toilet tank is serviced, always recharge the system with recommended amount of chemical precharge.
WARNING:  DO NOT OVERSERVICE THE TOILET SYSTEM. A LEAKAGE OF TOILET FLUID CAN POSSIBLY ENTER ELECTRICAL AND/OR ELECTRONIC SYSTEMS AND CAUSE A DANGEROUS MALFUNCTION. THIS COULD CAUSE AN UNWANTED EFFECT TO THE FLIGHT SAFETY OF THE AIRPLANE AND RESULT AS INJURY OR LOSS OF LIFE TO THE PERSONS ABOARD.
B.  Addition of antifreeze to toilet tanks is needed only when airplane is allowed to cold soak during cold weather operation. Refer to 12-50-0\MP for recommended antifreeze addition procedure.
C.  In adding antifreeze, ensure the total charge of chemical precharge and antifreeze mixture does not exceed 3 gallons to avoid overfilling of the toilet tank if toilet usage is considerable.
CAUTION:  TOILET FLUIDS ARE CORROSIVE TO THE AIRPLANE STRUCTURE. STAINS ON BODY SKIN INDICATE IN-FLIGHT LEAKAGE OR UNSATISFACTORY SERVICING PROCEDURES. IN-FLIGHT RELEASE OF ICE BUILDUP FROM THE FORWARD TOILET SERVICE PANEL MAY CAUSE NO. 2 ENGINE DAMAGE OR DAMAGE TO AIRPLANE STRUCTURE.
2.  Equipment and Materials
A.  Toilet service cart
B.  Y-fitting - Roylyn Part No. 2651-133; Roylyn, Inc., Glendale, California or equivalent; or drain plug wrench - Roylyn, Part No. 7899, Roylyn, Inc., Glendale, California
C.  Recommended Chemical Precharge (see Table 201 - Chemical Precharge)
3.  Service Toilet
A.  Open FLUSH MOTORS circuit breakers on panel P18.
B.  Open service panel and toilet drain cap (Fig. 201).
NOTE: Fluid in drain line indicates drain valve is leaking.
501 
May 01/99  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  12-17-0 Page 201 

TABLE 201
CHEMICAL PRECHARGE
Elkee Formula 1, Cyclo Manufacturing Co., Denver, Colorado Head-O-Matic, Alex Milne Ass., Ontario, Canada NFC A/C Toilet Deod, George Industries, Los Angeles, CA #101 Timsen Air Toilet Deodorant (Liquid or Powder) Unit Chemical Corp., Los Angeles, CA Aerofresh, Century Chemical Products, Elkhart, IN Sani-Pak 41-100, Celeste Industries, Easton, MD Sanitex QC, Selig Chemical Industries, Atlanta, GA Sani-Pak 41-008, Celeste Industries, Easton, MD (use for procedure II only)
　
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