When we buy new device such as Makita HR4000C we often through away most of the documentation but the warranty.
Very often issues with Makita HR4000C begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Power Hammer Makita HR4000C is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Power Hammer on our side using links below.