20. USE OF FUEL, COOLANT AND LUBRICANTS
20.3 FUEL SYSTEM
20.3.1 GENERAL
Cleanliness of diesel fuel determines the service life of the fuel injection components. Water and contaminants, allowed
to reach precision injection components, cause rapid wear and poor performance. Clean fuel and regular servicing
of the fuel tank and fuel filtering components are necessary for long service life. Always clean the area around the fuel
tank filler cap before refueling.
REMARK
Below -12°C (10°F) the paraffin in Grade 2 diesel fuel will change to wax particles and clog the fuel filters. For best
results use Grade 1 in cold weather.
Check the solution periodically and at normal operating temperature, to be sure the cooling system has sufficient
protection against freezing.
> A WANG_
Fire hazard - never mix gasolme, gasohol and/or alcohol wrth dresel fuel. This practice creates an extreme
fire hazard and under certain conditions an explosion which could result in personal injury or death.
I A WARNlNG 1
Never remove the fuel tank filler cap or refill the fuel tank while the engine is running or hot or when the
machine is indoors. Fumes are dangerous, a spark or flame could result in a fire or explosion.
20.3.2 DIESEL FUEL SPECIFICATIONS
ASTM refers to American Society for Testing and Materials. The D-396 fuels must also meet the cetane number and
sulfur requirements of the D-975 specifications.
DIESEL FUEL SPECIFICATIONS
Type of Operation Preferred Specifications
Normal Service Above -12°C (10°F)
ASTM D-975 Grade 2/D
ASTM D-396 Grade 2
II
Below -12°C (10°F) or Extended Idling
I
ASTM D-975 Grade I-D
ASTM D-396 Grade 1
II
Optionally, the equivalent grades of recognized Federal Government specifications may be used; latest revisions of
W-F-800a.
3-l 3
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