First of all, start the chain saw, will start at the end of the rope to mo. When starting to gently pull the starting handle by hand, until the stop position, and then quickly pull down at the same time, before the pressure of the handle. The technician said, "don't pull the starter rope to the end, or you might pull it off.". In daily use, the user often does not pay attention to this detail. As time goes by, the starting rope is damaged easily. Also note, don't let the starting handle free recoil, should slow its back to the housing, so that the starting rope can be very good to roll up.
Li, NJ connected [chain chain, also known as the saw] chain saw, with a gasoline engine as power portable saw, mainly used for wood and paper material, its working principle is L shaped blade lateral movement by staggered saw chain of shearing action.
Third, if the engine power drops significantly, it may be due to soiling of the air filter. Remove the carburetor cover, remove air filters, remove the dirt around the filter, separate the two parts of the filter, clean the filter with the palm of the hand, or blow it clean from the inside out with compressed air. If the filter is stuck with dirt, the filter shall be placed in a special cleaner or in a clean, non flammable cleaning solution (e.g., warm soapy water), cleaned and dried. Do not use a brush to clean the filter. Re install the air filter, remember to check the door and the torsion spring position is correct.
Second, the engine needs to be idle for a period of time in order to cool the air flow and release most of the heat in the engine after the maximum throttle runs for a long time. It can avoid the installation on the engine parts (ignition device, carburetor) thermal overload.
Matters needing attention：1. check the tensioning of the chain frequently. Check and adjust. Close the engine and wear protective gloves. When the chain is attached to the lower part of the guide plate, the chain can be pulled by hand.2. the chain must always have a little oil spill. Every time you check the chain before you work, lubricate and lubricate the oil level of the tank. The chain can not work without lubrication, such as working with a dry chain, causing the cutting device to be damaged.3. never use old oil. Old engine oil does not meet the lubrication requirements, it is not suitable for chain lubrication.
