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).
 NOTE: This fuel additive is not approved for GE engines.
____
 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.
 NOTE: This fuel additive is not approved for GE engines.
____
 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).
 NOTE: This fuel additive is not approved for GE engines.
____
 a)  Fluid TGF-M may be used at a mixture of no more than
 0.15 percent each, by volume.
 S 603-057
 (18) Prepare the engines for operation (AMM 71-00-00/201).
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 S 213-058
 (19) Use the oil temperature indicators on the P2-2 panel to mnitor the engine oil temperature when the engines are not running.
 (a)  If the engine oil temperature approaches -40°F (-40°C), do these steps: 1) Remove the engine inlet and exhaust covers.
 CAUTION: MAKE SURE THE ENGINE CORE TEMPERATURE IS ABOVE -40°F
_______ (-40°C) BEFORE YOU START THE ENGINE. IF THE ENGINE CORE TEMPERATURE IS BELOW -40°F (-40°C), DAMAGE TO THE ENGINE BEARINGS CAN OCCUR.
 2)  Heat the engine core to a minimum of -40°F (-40°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 is above -40°F (-40°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 163-083
 (20) AIRPLANES WITH FORWARD AIRSTAIR; Do these steps when the airstair is put in the stowed position:
 CAUTION: REMOVE ALL ICE AND SNOW FROM THE AIRSTAIRS BEFORE YOU STOW
_______ THE AIRSTAIR IN THE FUSELAGE. ICE AND SHOW WILL MELT INSIDE THE FUSELAGE AND CAN DRAIN ONTO THE ELECTRONIC EQUIPMENT.
 (a)  Remove all ice and snow from the airstair before it is moved to the stowed position.
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 (b)  After the airstair is in the stowed postion, do these steps: 1) Get access to the airstair through the Electronic Equipment Access Door, 1201L. 2) Check for water on the drip shields and around the electronic equipment. 3) Remove all water on the drip shields and around electronic equipment.
 4)  Go out of the Electronic Equipment Bay and close the Electronic Equipment Access Door, 1201L.
 S 863-059
 (21)
 Use the procedures in Power Plant Operation - Cold Weather (AMM 71-00-00/201) to start the engines.

 S 803-060

 (22)
 Observe the flight crew and portable oxygen systems.

 (a)  It may be noted that the pressure in the flight crew and portable oxygen systems may indicate lower than normal at cold temperatures (AMM 12-15-21/301).
 TASK 12-33-02-003-061
 5.  Interior Ice Removal (Fig. 301)
____________________
 A.  General
 (1)  After every 50 flight hoursof continuous airplane operation in cold weather, you must do the Overall Ice Removal steps.
　
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