S 213-053

 (13)
 Visually check the landing gear.

 (a)  Wipe the inner cylinder with a clean cloth to check for hydraulic leakage from the seals.
 S 213-054
 (14)
 Check the tire pressure and inflate the tires as required (AMM 12-15-06/301).

 S 213-055

 (15)
 Check the main gear shock strut and the body gear shock strut and service as required (AMM 12-15-03/301 and AMM 12-15-04/301)

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747-400 MAINTENANCE MANUAL
 S 213-056
 (16)
 Check the nose gear shock strut, and service as required (AMM 12-15-05/301).

 S 863-057

 (17)
 When adding fuel, you must use these requirements:

 (a)  Make sure the fuel temperature is at least 6°F (3°C) above the fuel freeze point or -45.4°F (-43°C), whichever is higher. Use the ASTM method to determine the freeze point.
 NOTE: The Fuel Quantity Indicator on the wing fuel station can
____ indicate slowly or not show numbers in extreme cold conditions. Use an external fuel flow meter to show the amount of fuel added to the airplane.
 1)  Use fuels that meet specification ASTM D1655; or
 2)  Use fuels that meet specification GOST 10227: a) RT (PT, Russian spelling) b) TS-1 (TC-1, Russian spelling)
 (b)  Approved fuel additives are:
 NOTE: Adding an anti-icing fuel additive may help in the
____
 sumping of the fuel tanks.

 1)  Fuel Additive, specification GOST 8313, Fluid I (also known as Fluid E) a) Fluid I may be used at a mixture of no more than 0.15
 percent by volume.
 2)  Fuel Additive, specification TU-6-10-1458, Fluid I-M (also known as Fluid E-Methanol) a) Fluid I-M may be used at a mixture of no more than 0.15
 percent each, by volume. 3) Fuel Additive, specification GOST 17477, Fluid TGF. a) Fluid TGF may be used at a mixture of no more than 0.15 percent by volume.
 4)  Fuel Additive, specification TU-6-10-1457, Fluid TGF-M (also known as Fluid TGF-Methanol). a) Fluid TGF-M may be used at a mixture of no more than
 0.15 percent each, by volume.
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MAINTENANCE MANUAL

 S 603-058
 (18)
 Prepare the engines for operation (AMM 71-00-00/201).

 S 213-059

 (19)
 Use the EICAS to monitor the engine oil temperature when the engines are not running.

 (a)  If the engine oil temperature shown on he EICAS
 approaches -27.4°F (-33°C), do the steps that follow:
 1) Remove the engine inlet and exhaust covers.

 CAUTION: MAKE SURE THE ENGINE CORE TEMPERATURE IS
_______ ABOVE -27.4°F (-33°C) BEFORE YOU START THE ENGINE. IF THE ENGINE CORE TEMPERATURE IS BELOW -27.4°F (-33°C), DAMAGE TO THE ENGINE BEARINGS CAN OCCUR.
 2)  Heat the engine core to a minimum of -27.4°F (-33°C) with a heater, MARK I COLDBUSTER or suitable substitute: a) If you use a multiple hose ground cart heater, MARK I
 COLDBUSTER, direct one heater hose in the inlet to heat the engine core, and one heater hose on the engine gearbox.
 b)  If you use a multiple hose ground cart (YMP-350 heater), direct one heater hose in the inlet to heat the engine core, and one heater hose on the engine gearbox.
 c)  If you use a single hose ground cart (Herman Nelson heater), direct the heater hose on the engine gearbox.
 3)  Make sure the engine oil temperature on the EICAS is above -27.4°F (-33°C) to prevent damage to the engine bearings before you start the engines. a) See cold weather starting procedures and engine
 operating limits (AMM 71-00-00/201).
 S 863-060
 (20) Start the engines (Automatic Start) (AMM 71-00-00/201).
　
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