You will find that while most mcculloch chain saws our light and seemed to be very simple in construction they are in fact more complicated and need to be taken care of with proper maintenance to make sure that they run at their optimum performance. Always make sure that the chain has the proper tension to avoid any injury or damage to yourself or the saw. Always make sure to read the user’s manual and keep all the tools available so you can tighten your blade and keep a properly oiled before and after each job.