Chainsaw is very heavy and difficult to use, so it is important to observe safety regulations, Below I've listed a few things that must be required to comply. a) pull the chain on the chainsaw and friendship resolve its tension, as well as set the saw in position to work only during the stopped engine. b) Do not touch the circuit during operation and best protect themselves against contact. c) On chainsaw necessarily want to adjust the idle speed is when the circuit operates with a stationary engine. d) Timely change lubricants in engines to prevent such things as stupor engine that can result in very costly repairs. d) Avoid any sudden movements while keeping the tree and because it can all end in tears. e) During the job, always keep the saw straight, no wiggling, no hand. If something needs to be to correct or change always switch off the engine. Carefully work if there are people or animals. By following these tips you can easily and gladly will work cutting equipment.