Vedeneyev M-14P, Maintenance Manual

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ENGINE M-14P - APPENDICES
Appendix 1
FUEL AND LUBRICANTS
1. FUEL
Engine M-14P should be operated on gasoline B91/115. Physical and chemical properties of gasoline
B91/115:
Octane rating ........................................... ................................ Not less than 91
Gasoline rating (rich mixture) .......................... ........................ Not less than 115
Lead tetraethyl content ................................. ........................... Up to 2.5 g/kg
Low heat value .......................................... .............................. Not less than 10,300 kcal/kg
Fractional composition:
Beginning of distillation ............................. ............................... Not below 40 °C
10 % distillation ..................................... ................................... Not above 82 °C
50 % distillation ..................................... ................................... Not above 105 °C
90 % distillation ..................................... ................................... Not above 145 °C
97.5 % distillation ................................... .................................. Not above 180 °C
Residue and losses .................................... ............................. Up to 2.5 ^
Vapor pressure .......................................... .............................. From at least 200 to 360 mm Hg,
maximum
Acidity ................................................. ..................................... Up to 1 mg KOH per 100 ml
Initial solidification temperature ...................... ......................... Not above minus 60 °C
Iodine value ............................................ ................................. Not over 10 g iodine per 100 ml
Sulfur content .......................................... ................................ Up to 0.05 %
Actual resins ........................................... ................................. Up to 2 mg per 100 ml
Aromati c carbohydrate content ........................... .................... None
Stability period ........................................ ................................. Not- leas than 8 h
Paraoxidiphenyl amine content ........................... .................... 0.004 to 0.005 %
Content of water-soluble acids and alkalis .............. ................ None
Water and mechanical impurities ......................... ................... None
Copper plate test ....................................... .............................. Withstands
Transparency ............................................ ............................... Transparent
Color ................................................... ..................................... Green
It is allowed, to operate the engine on gasolines whose physical and chemical properties correspond to those of
gasoline B91/115. Their physical and chemical properties:
Specific gravity ........................................ ................................ 0,718 g/cm
3
Lead tetraethyl content ................................. ........................... 1.2 g/kg
Octane rating (engine method) ........................... ..................... 95.5
Heat value .............................................. ................................. 10,430 kcal/kg
Gasoline rating (rich mixture) .......................... ........................ 126
Fractional composition:
10 % distillation ......................................................................... 44 °C
50 % distillation ..................................... ................................... 102 °C
90 % distillation ..................................... ................................... 124 °C
98 % distillation ..................................... ................................... 143 °C
Final boiling point ................................... .................................. 148 °C
Residue and losses .................................... .............................. 2 %
Vapor pressure .......................................... .............................. 248 mm Hg
Acidity ................................................. ..................................... 1 mg KOH per 100 ml
Actual resins ........................................... ................................. 0.5 mg of resins per 100 ml
Iodine value ............................................ ................................. 0.5 g iodine per 100 ml
Sulfur content .......................................... ................................ 0.01 %
Copper plate test ....................................... .............................. Withstands
Solidiflcation temperature .............................. .......................... Minus 60 °C
Water content ........................................... ............................... None
Content of water-soluble acids and. alkalis .............. ............... None
Aromatic carbohydrate content ........................... ..................... 25.1 %
To wash engine parts, preserve and. depreserve the engine,use unleaded gasolines indicated in Table 1.