(c)
Do not operate hydraulic system B or the standby hydraulic system (placard controls) if the No. 2 tank is empty.
(d)
If the hydraulic exchangers are not below the top level of the fuel, the system becomes too hot.
S 653-238
WARNING: IF A FUEL LEAKAGE OCCURS DURING REFUELING, DO NOT DO THE APU
_______ SHUTDOWN PROCEDURE. SUDDEN SHUTDOWN OF THE APU WHILE IT IS ON CAN CAUSE A PRESSURE SURGE OF BURNING GASES OUT OF THE APU. THE BURNING GASES CAN CAUSE A FIRE OR EXPLOSION.
(8) If the APU is used for refueling, do the steps that follow:
(a)
Make sure the APU is started and is running before the refuel equipment is attached.
(b)
Remove the refuel equipment before the APU shutdown procedure.
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737-300/400/500MAINTENANCE MANUAL
~............................................................... | TABLE 301 - TOTAL USEABLE FUEL | ................................................................. | FUEL TANK | U.S. GALLONS | IMPERIAL | LITERS | | | | GALLONS | | ................................................................. | CENTER WING TANK | 2313 | 1926 | 8756 | ................................................................. | NO. 1 MAIN TANK | 1499 | 1248 | 5674 | ................................................................. | NO. 2 MAIN TANK | 1499 | 1248 | 5674 | ................................................................. | TOTAL FUEL | 5311 | 4422 | 20104 | 2...................…..............…..............….............1
J. Airplane Separation Distance From Equipment Limits
S 653-239
WARNING: OBEY THE AIRPLANE SEPARATION DISTANCES DURING A REFUEL
_______ OPERATION. IF YOU DO NOT OBEY THESE REQUIREMENTS A FIRE OR AN EXPLOSION CAN OCCUR.
(1) Maintain the separation distance for equipment or ignition sources given in Table 302.
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ALL ú ú 01 Page 307 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
~................................................................. | TABLE 302 | ................................................................... | | REFUEL/DEFUEL | | EQUIPMENT OR IGNITION SOURCES | SEPARATION DISTANCE | | | *[1] | ................................................................... | Adjacent airplanes with running engine(s) | Wing span of | | or APU | airplane being | | | fueled | ................................................................... | Fuel service equipment . measured from | 10 feet (3 meters) | | engine or exhaust system | from fuel vents | ................................................................... | Ground power units | 20 feet (6 meters) | ................................................................... | Airplane servicing equipment . measured | 10 feet (3 meters) | | from the engine or exhaust system | | ................................................................... | Airplane servicing equipment during an | Not under the | | overwing refuel operation | trailing edge of | | | the wing | ................................................................... | Electrical equipment that is likely to | 50 feet (30 meters) | | cause arcs or sparks | | ................................................................... | Photographic equipment/flash units | 10 feet (3 meters) | ................................................................... | Battery powered equipment | 10 feet (3 meters) | | | from fuel servicing | | | equipment or fuel | | | spills | ................................................................... | Open flames, heat sources, | 50 feet (15 meters) | | lighted smoking material | | | and any other potential | | | ignition sources | | ................................................................... | Electrical transmitting equipment | Reference Table 303 | 2...........................................….....................1
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