12-11-00
 ALL  ú ú 01 Page 311 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 S 653-246
 (2)  
Do not put ground equipment below the fuel system vents at the wingtips. The fuel tanks are vented through the wingtip vents. An explosive mixture of fuel vapor can exist at these locations.

 S 653-247

 (3)  
Added fuel weight will compress the landing gear shock struts and lower the airplane. Make sure all stands, ladders, vehicles and equipment that can come in contact with the airplane are removed before the refuel operation begins.

 N. Personnel Precautions
 S 653-248
 WARNING:_______OBEY THE PERSONNEL PRECAUTIONS DURING A REFUEL OPERATION. IF YOU DO NOT OBEY THESE REQUIREMENTS, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (1)  Personnel that refuel the airplane must be trained in the safe operation of these systems and procedures:
 (a)  
737 fuel servicing operations.

 (b)  
Fuel servicing equipment

 (c)  
Fuel spill prevention

 (d)  
Emergency controls

 (e)  
Emergency equipment

 (f)  
Emergency fuel spill and fire protection procedures

 (g)  
Fuel vapor hazard locations (wingtips, engine locations, etc.).

 S 653-249
 (2)  
Personnel must wear eye protection (chemical splash goggles or safety glasses and face shield) during the connection of the fuel hose and during the initial pressurization of the hose after hookup.

 S 653-250

 (3)  
At some airport locations, a fuel safety person may be needed to monitor the airplane refuel operations.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 12-11-00
 ALL  ú ú 01 Page 312 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
 O. Fueling Zone
 S 653-251
 WARNING:_______OBEY THE FUELING ZONE PRECAUTIONS. IF YOU DO NOT OBEY THESE REQUIREMENTS, A FIRE OR AN EXPLOSION, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (1)  
Refuel operations must only be done in airport approved areas. Correct separation distances must be available in these areas.

 S 653-252

 (2)  
A fueling zone exists around the airplane anytime the airplane is being prepared for a refuel operation or during a refuel operation.

 S 653-253

 (3)  
Fire protection equipment, emergency rescue equipment, approved fire extinguishers, must be available in these areas.

 S 653-254

 (4)  
Within the fueling zone, obey these requirements:

 (a)  
Obey the equipment separation requirements (Table 302 and 303).

 (b)  
Only authorized persons and vehicles are permitted in the fueling zone.

 (c)  
Passengers are not allowed in the fueling zone.

 (d)  
All personnel must assume that a refuel operation is in progress any time a fuel service vehicle is in the fueling zone.

 (e)  
Limit maintenance activity on the airplane to work that does not increase the risk of igniting fuel vapor.

 (f)  
All electrical equipment must be rated for the hazardous location where it will operate.

 (g)  
Do not keep the vehicle engines running unless it is necessary for airplane maintenance or servicing.

 (h)  
Metal wheels or studded tires are not permitted.

 (i)  
Do not approach within 50 feet (15 meters) of the airplane with these items: 1) Open flames. 2) Heat sources. 3) Lighted smoking material. 4) Shoes with metal clips. 5) Other potential ignition sources.

 P. Adverse Weather Conditions Precautions
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 12-11-00
 ALL  ú ú 01 Page 313 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
　
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