Table below shows hydraulic oils recommended for hammer use. The most suitable
oil is selected in such a way that the temperature of the hydraulic oil in continuous
use is in the ideal area on the chart and the hydraulic system is used to best
advantage.
Problems due to incorrect hydraulic oil viscosity in the hammer:
Oil too thick
Difficult start up
Stiff operation
Hammer strikes slowly
Danger of cavitation in pumps and in the hydraulic hammer
Sticky valves
Filter bypass opens, impurities in the oil are not removed
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