Even though hydraulic oils are made to withstand significant heat, and can even be heated up to their boiling point and still maintain their consistency and handling characteristics, they should not be allowed to get too hot they will break down, and the viscosity will increase dramatically, and they will lose the ability to lubricate moving parts, either of which can lead to an expensive repair or a mechanical failure.
Your favorite armchair doesn't look very good after many years of use. Wondering whether to buy a new one or give it a second life? See how much does it cost to renovate furniture and when is it worth doing it?
