Perkins 904D-E28T Operation And Maintenance Manual page 71

M0108133-04
• The Oil Condition Analysis determines the loss of
the oils lubricating properties. An infrared analysis
is used to compare the properties of new oil to the
properties of the used oil sample. This analysis
allows technicians to determine the amount of
deterioration of the oil during use. This analysis
also allows technicians to verify the performance
of the oil according to the specification during the
entire oil change interval.
71
Maintenance Section
Engine Oil Specification