2.  
When starting in ambient temperatures of -34°C (-29°F) or below, lubricat-ing oil MIL-L-7808 must be used. It is not advisable to mix MIL-L-23699 or DOD-L-85734 oil with MIL-L-7808 oil.

3.  
If the type oil being used is not available, another authorized type oil may be added. When one type oil is mixed with another, it is not necessary to drain the system and re.ll with one type oil. No mixing is allowed for cold temperature operation. For transmissions and gear boxes, when one type of oil is mixed with another, it is not necessary to drain the system and re.ll with one type oil.

4.  
For operation below -34°C (-29°F), MIL-H-5606 (NATO Code H-515) shall be used. Mixing MIL-H-5606 with MIL-H-83282 degrades .re-resistant qualities of MIL-H-83282.

5.  
Fuel settling time for jet (JP) fuel is 1 hour per foot depth of fuel. Allow the fuel to settle for the prescribed period before any samples are taken (about 4 hours for proper settling).

6.  
DOD-L-85734 oil is the preferred oil for use in the main transmission, intermediate gearbox, and tail gearbox, except for cold temperature opera-tion.

7.  
DOD-L-85734 oil should not be used in the engines or the auxiliary power unit (APU). If DOD-L-85734 oil is inadvertently added to the engines or APU, the system should be drained and the correct oil added. There is no need to .ush the system.

8.  
When changing from MIL-L-7808 or MIL-L-23699 oil to DOD-L-85734 (and vice versa), drain the oil from the system and re.ll with desired oil. There is no need to .ush the system before re.lling.

Table 2-5. Approved Fuels

SOURCE U. S. Military Fuel NATO Code No.  PRIMARY/STANDARD FUEL JP-4 F-40  ALTERNATE FUELS JP-5 F-44  JP-8 F-34 
COMMERCIAL FUEL (ASTM-D-1655)  JET B  JET A  JET A-1 
2-81 

Table 2-5. Approved Fuels (Cont) Table 2-5. Approved Fuels (Cont)
SOURCE  PRIMARY/STANDARD  ALTERNATE FUELS 
FUEL 
American Oil Co.  American JP-4  American Type A 
Atlantic Rich.eld  Arcojet B  Arcojet A  Arcojet A-1 
Rich.eld Div.  Rich.eld A  Rich.eld A-1 
B. P. Trading  B. P. A. T. G  B. P. A. T. K. 
Caltex Petroleum Corp.  Caltex Jet B  Caltex Jet A-1 
City Service Co.  CITCO A 
Continental Oil Co.  Conoco JP-4  Conoco Jet-50  Conoco Jet-60 
Exxon Co. U. S. A.  Exxon Turbo Fuel B  Exxon A  Exxon A-1 
Gulf Oil  Gulf Jet B  Gulf Jet A  Gulf Jet A-1 
Mobil Oil  Mobil Jet B  Mobil Jet A  Mobil Jet A-1 
Phillips Petroleum  Philjet JP-4  Philjet A-50 
Shell Oil  Aeroshell JP-4  Aeroshell 640  Aeroshell 650 
Sinclair  Superjet A  Superjet A-1 
Standard Oil Co.  Jet A Kerosene  Jet A-1 Kerosene 
Chevron  Chevron B  Chevron A-50  Chevron A-1 
Texaco  Texaco Avjet B  Avjet A  Avjet A-1 
Union Oil  Union JP-4  76 Turbine Fuel 
INTERNATIONAL  NATO F-40  NATO F-44  NATO F-34 
FUEL 
Belgium  BA-PF-2B 
Canada  3GP-22F  3-6P-24C 
Denmark  JP-4 MIL-T-5624 
France  Air 3407A 
Germany  VTL-9130-006  UTL-9130-007 
UTL-9130-010 
Greece  JP-4 MIL-T-5624 
Italy  AA-M-C-1421  AMC-143 
Netherland  JP-4 MIL-T-5624  D. Eng RD 2493 
Norway  JP-4 MIL-T-5624 
Portugal  JP-4 MIL-T-5624 
Turkey  JP-4 MIL-T-5624 
United Kingdom (Britain)  D. Eng RD 2454  D. Eng RD 2498 
　
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