Have you tried it on the mower yet?
Belt tension springs.
Belt tension springs.
My helper was 205 and the bobcat would pull him no problem including "softened" springs and all.Originally posted by Tvov
Along with what Switchless said, you don't necessarily need to adjust the springs so that they are so stiff that you can't pull on the handles. If all the controls and adjustments are setup correctly, you should have plenty of pull/traction without wearing out your hands.