Additional information
If distillate intended for use as heating oil is used with stationary engines
instead of diesel oil (EL heating oil according to DIN 51603 or Fuel No. 1 or
no. 2 according to ASTM D 396), the ignition behaviour, stability and behav-
iour at low temperatures must be ensured; in other words the requirements
for the filterability and cetane number must be satisfied.
To ensure sufficient lubrication, a minimum viscosity must be ensured at the
fuel pump. The maximum temperature required to ensure that a viscosity of
more than 1.9 mm
2
/s is maintained upstream of the fuel pump, depends on
the fuel viscosity. In any case, the fuel temperature upstream of the injection
pump must not exceed 45 °C.
The pour point indicates the temperature at which the oil stops flowing. To
ensure the pumping properties, the lowest temperature acceptable to the
fuel in the system should be about 10 ° C above the pour point.
Normally, the lubricating ability of diesel oil is sufficient to operate the fuel
injection pump. Desulphurisation of diesel fuels can reduce their lubricity. If
the sulphur content is extremely low (< 500 ppm or 0.05%), the lubricity may
no longer be sufficient. Before using diesel fuels with low sulphur content,
you should therefore ensure that their lubricity is sufficient. This is the case if
the lubricity as specified in ISO 12156-1 does not exceed 520 μm.
You can ensure that these conditions will be met by using motor vehicle die-
sel fuel in accordance with EN 590 as this characteristic value is an integral
part of the specification.
Handling of operating fluids
Handling of operating fluids can cause serious injury and damage to
the environment.
• Observe safety data sheets of the operating fluid supplier.
Analyses
Analysis of fuel oil samples is very important for safe engine operation. We
can analyse fuel for customers at MAN Diesel & Turbo laboratory PrimeServ-
Lab.
Use of diesel oil
Viscosity
Lubricity
Specification of gas oil/diesel oil (MGO)
D010.000.023-01-0001
General
2017-07-11 - de
010.000.023-01
MAN Diesel & Turbo
2 (2) D010.000.023-01-0001 EN
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