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What is a case drain line?

A case drain line is a low pressure line that runs from the case drain outlet on the saw motor to the excavator oil tank. It is additional to the oil supply and return lines.

Most excavators do not have a case drain line installed, so at the time of equipping yourself with a new saw, you will probably also need to install a case drain line, if it is required for the model that you have chosen.

Many rock saws are advertised as not requiring a case drain, including the rock saws in our standard range, however there are some very good reasons for having one.

Is 'no case drain' a good thing?

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