MAINTENANCE BASICS
7-7
FUEL
The fuel injection pump is a precision device. If the fuel in the fu-
el injection pump contains water or dirt, this will damage the fuel
injection pump.
• Proceed with utmost care when storing or refuelling, to avoid
intrusion of impurities into the fuel.
• Always use the fuel specified in the operating and mainte-
nance manuals.
• If the temperature of diesel fuel falls below 5°F (-15°C), par-
affin may precipitate, blocking filters and hoses. For this rea-
son, always use a diesel fuel appropriate for these
temperatures.
• To prevent humidity from condensing in the fuel tank, always
refill the fuel tank after daily work has been finished.
• After refuelling, wait at least ten minutes before draining off
dirt precipitations and water. Swirled up impurities will pre-
cipitate again during this period of time.
• If the fuel tank has been „run empty" or filters have been re-
placed, ventilate the fuel system. Refer to chapter "Mainte-
nance Every 500 Operating Hours".
• If you use fuels with a sulphur content between 0.5 and
1.0%, cut in half the interval for an oil change. If you use fu-
els with a sulphur content of over 1.0%, quarter the interval
for an oil change.
STORAGE OF OIL AND FUEL
• Store oil and fuel in-doors in sufficiently ventilated rooms to
avoid contamination with water, dirt, or other impurities.
• Position barrels which you want to store over longer periods
of time sidewards. Store them in such way that the feed
opening is on the side. In this way, you avoid formation of
humidity in the barrel.
• Cover barrels that you want to store in the open with a wa-
tertight foil or take other appropriate measures to protect the
barrels.
• To avoid a negative influence on the quality during long-time
storage, always proceed according to the "first in - first out"
principle, i.e. use first that oil or fuel which is stored longest.
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