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If your Husqvarna product is equipped with the two stroke engine, it must always be run using a mixture of gasoline and two stroke oil. When mixing fuel, even small and accuracies can drastically affect the ratio of the mixture, never refuel the machine while the engine is running or is hot from recent use and always make sure your fueling area has plenty of ventilation. After refueling, move the machine at least 10 feet from the refueling point before starting it. Never start the machine if you have spilled fuel on the machine, wipe off spillage and allow remaining fuel to evaporate before use. Never start the machine if you have spilled fuel on yourself or your clothes. Because all engines equipped with catalytic converters must be run on unleaded fuel mixtures, it’s important that you choose good quality unleaded gasoline. Leaded gasoline will destroy your products' catalytic converter, causing it to no longer function properly. While the manual says you can use 87 octane, you should use at least 89 octane in order to prevent knocking, a condition caused by high engine temperature and increased bearing load, sometimes resulting in serious engine damage.
For best results, use Husqvarna brand two stroke engine oil that is FT certified. This oil's specially formulated for air cooled two stroke engines. All Husqvarna products use a 50 to 1 mix which means 2.6 ounces of oil are used to 1 gallon of gas. Husqvarna two stroke oil comes in convenient bottles that are easily added to 1 gallon of gas with no measuring required. Never use 2 stroke oil intended for water cooled engines such as TCW3, sometimes referred to as outboard oil. When mixing, never attempt to mix the oil with the fuel on the gas tank on the unit. Always mix gasoline and oil in a clean container intended for fuel. Start by filling half the amount of the gasoline to be used then add the entire amount of two stroke oil. Shake the fuel mixture for at least 10 to 15 seconds; add the remaining amount of gasoline and re shake for 10-15 additional seconds. Next, untwist and remove the fuel cap, pour the fuel into the tank to 80% of capacity. When finished, fasten the fuel cap securely and wipe up any fuel spillage around the unit. Do not mix more than 1 month's supply of fuel at a time, if the machine is going to be stored for an extended length of time, the fuel tank should be emptied and cleaned. Proper lubrication not only extends the life of your Husqvarna product, but it also helps prevent the chain from breaking which could lead to serious or fatal injuries. Start by checking your chain oil. Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm summer or cold winter weather. As a chainsaw manufacturer, we have developed optimal chain oil, use this oil in order to maximize chain life and also minimize environmental damage. If our own chain oil is not available, make sure you use an oil specifically designed for bar and chains. Never use waste oil which can be dangerous to you, damage the oil pump and the machine and also harm the environment. All of our chainsaws have an automatic chain lubrication system on some models; the oil flow is also adjustable. The saw chain oil tank and the fuel tank are designed so that the fuel runs out before the chain oil. However, this safety feature requires that you use the correct oil. If the oil is too thin, it will run out before the fuel.
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When operating your chainsaw, avoid all situations which you considered to be beyond your capability. If you still feel uncertain about operating procedures after watching these videos, please consult an expert before continuing. Also consider taking a chainsaw course through you local dealer or forestry school and of course, read the owner's manual. Before you begin, make sure you are using the latest in chainsaw safety equipment. This includes a protective helmet with hearing protection or ear plugs, protective goggles or a visor, gloves with saw protection, trousers with saw protection, boots with saw protection steel toe cap and non slip soles. Always have a first aid kit, fire extinguisher and shovel nearby.
Every Husqvarna chainsaws equipped with the chain brake that is design to stop the chain should you encounter any kickback. The chain break reduces the risk of accidents but only you can prevent them. Take care when using your saw and make sure the kickback zone of the bar never touches any object. The chain break can either be activated manually with your left hand or automatically by the inertia release mechanism. Kickback can be very sudden and violent; most kickbacks are minor and may not always activate the chain break. If this happens, you should hold the chain saw firmly and not let go. Use the chain break as a parking brake when moving over short distances in order to reduce the risk of a moving chain accidentally hitting your leg or anyone else's leg. The way the chain brake is activated depends on the force of the kickback and the position of the chainsaw in relation to the object that the kickback zone strikes. If you get a violent kickback while the kickback zone of the bar is farthest away from you, the break is design to be activated by the inertia in the kickback direction. If the kickback is less violent or the kickback zone of the bar is closer to you, the chain brake is design to be activated manually by the movement of your left hand. Never refuel the machine while the engine is running or is hot from recent use and always make sure your fueling area has plenty of ventilation. After fuelling, move the machine at least 10 feet from the refueling point before starting it. Never start the machine if you have spilled fuel or a chain oil in the machine. Wipe off spillage and allow remaining fuel to evaporate. Never start the machine if you have spilled fuel on yourself or your clothes. Always wear safety glasses and the glove on the hand that is holding the bar and chain. Before
beginning, it is imperative that the chain brake is in disengaged position by moving the front hand and guard towards the front handle. Only a dealer can replace the cover if you remove it while the chain brake is in engaged. Remove the bar nuts and the clutch cover, remove the transportation rings or spacers and discard. Fit the bar over the bar bolts and place the bar in its rearmost position. Place the chain over the drive's bracket; notice the orientation of the chain with the cutter teeth facing forward on the top edge of the bar for it to be installed correctly. Locate the drive links in the groove on the bar, begin on the top edge of the bar and check that the drive links of the chain fit correctly over the drive's bracket and that the chain is correctly located in the groove in the bar. Place the chain adjuster pin in the clutch cover into the hole in the bar then fit the clutch cover onthe unit. Tighten the bar nuts, finger tight. Tension the chain by turning the chain tensioning screw clockwise using the combination spanner while holding up the bar tip. The chain is correctly tensioned when the bottom of the drive link can’t be visibly lifted above bar but the chain can still be turned easily by the hand. Tighten the bar knots with the combination spanner, do not over tighten. When using a saw with tool-less tensioning, turn the hand on 1/2 turn counter clockwise and then use the thumb wheel to tighten the chain. After fitting a new chain, the chain tension has to be checked frequently until the chain has run in. A correctly tensioned chain ensures good cutting performance and long life; never adjust the chain while it is hot. The position of the chain tensioning screw on our chainsaws varies from model to model; refer to your manual for actual location of the tensioning screw |
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