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371K
Operator’s Manual (EPA)
Read these instructions carefully and make sure you understand
them before using the machine.
101 91 78-95
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SYMBOL EXPLANATION Symbols on the power cutter: WARNING! Some dust created by power sanding, sawing, WARNING! The power cutter can be ! grinding, drilling and other construction dangerous! Careless and incorrect use can activities contains chemicals known (to the result in serious or fatal injury to the State of California) to cause cancer, birth operator or others. defects or other reproductive harm. Some examples of these chemicals are: Please read the instructions carefully and • Lead from le
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CONTENTS List of Contents Before using your new Power cutter • Read the Operator’s Manual carefully. Symbol explanation ..................................................... 2 • Check the assembly and adjustment of the cutting blade, see Safety instructions chapter ”Assembly”. Personal protective equipment ....................................... 4 • Start the engine and check the carburettor settings. See chapter ”Maintenance”, section ”Carburetor”. When adjusted The power cutter’s safety equipm
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SAFETY INSTRUCTIONS THE POWER CUTTER’S SAFETY WARNING! Incorrect or careless use of a power cutter can turn it into a dangerous tool EQUIPMENT ! that can cause serious or even fatal injury. It This section describes the power cutter’s safety equipment, its is extremely important that you read and function and how checks and maintenance are carried out to understand this manual. ensure that it operates correctly. (See the chapter “What is what“ to locate where this equipment is positioned on your
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SAFETY INSTRUCTIONS 3 Muffler Control, maintenance and service of the machine‘s safety equipment WARNING! During use and for some time after the muffler is very hot. Do not touch the WARNING! All service and repairs to the ! muffler if it is hot! power cutter require special training. This applies especially to the power cutter’s safety ! equipment. If the power cutter does not meet The muffler is designed to any of the controls listed below you should give the lowest possible noise contact your
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SAFETY INSTRUCTIONS 3 Muffler GENERAL SAFETY INSTRUCTIONS Never use a machine that has a defective muffler. IMPORTANT INFORMATION! Do not use the power cutter until you have read the entire contents of this Operator’s Manual. All servicing, in addition to the points listed in the section ”Control, maintenance and service of the power cutter’s safety equipment”, should be carried out by trained service specialists. • Use the equipment recommended in the chapter ”Personal safety equipment”. • Neve
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SAFETY INSTRUCTIONS GENERAL WORKING INSTRUCTIONS Fuel safety This section takes up the basic safety precautions for working (Filling/Fuel mixture/Storage) with the power cutter. Follow these general working instructions, but never use a machine without the possibility of calling for WARNING! Exercise great care when handling help in the event of an accident. fuel. Bear in mind the risk of fire, explosions ! and inhaling fumes. Basic safety precautions • Never fill the machine while IMPORTANT INF
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SAFETY INSTRUCTIONS Water cooling Over exposure to vibrations can result in blood-vessel or nerve injury to persons WARNING! Water cooling, which is only used ! suffering with blood circulation problems. for petrol-driven power cutters and when Seek medical attention if you experience cutting concrete, cools the cutting blade and physical symptoms that can be related to over ! increases its service life as well as reduce exposure to vibrations. Examples of such dust formation (see the section ”A
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SAFETY INSTRUCTIONS Pull in Care and storage Pull in occurs when the lower part of the blade is suddenly stopped or when the cut closes. (To avoid this see the section General ”How to avoid kickback” and ”Pinching/rotation” below). Husqvarna’s power cutters are robust and durable. However, as Pinching/rotation they are used for high speed operations all servicing should be carried out on time and as specified, so that the power cutter Pinching occurs when the cut closes. The power cutter can be
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SAFETY INSTRUCTIONS Abrasive blades CUTTING BLADES The cutting material in an abrasive blade consists of abrasive corn that is held together by an organic bonding agent. ”Reinforced blades” are made up of a fabric or fibre base that prevents total breakage at maximum working speed if the blade should be cracked or damaged. (The term reinforced does not refer to those cutting blades that are only reinforced around the flange). A cutting blade’s performance is determined by the type and size of ab
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SAFETY INSTRUCTIONS Guard Cutting blades Check that the guard is not crack or shows signs of any Type of cutting blades other damage. Clean the Check that the blade is inside of the guard before approved for the same or fitting a new blade. Check that higher speed according to the the guard can be adjusted and aproval plate of the engine. locked. Do not exceed the maximum working speed stated on the blade. Diamond blades Damage • Ensure the blade it not Diamond blades are basically made in the s
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WHAT IS WHAT? WARNING Cutters can be dangerous ! For safe operation follow all safety precautions in operator´s manual. IMPORTANT ENGINE INFORMATION 371K 71 cc VHVO71UB25RC HUSQVARNA AB HUSKVARNA SWEDEN THIS ENGINE CONFORMS TO 1997 U.S. EPA EMISSION REGULATION FOR SMALL NONROAD ENGINES. REFER TO OPERATOR´S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. 19 1 14 5 15 18 2 6 21 20 16 3 7 4 11 8 10 9 12 17 13 What is what on a power cutter? 1. Cylinder cover 12. Throttle 2. Muffler 13.
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ASSEMBLY Fitting the cutting head Fitting the cutting blade Husqvarna cutting blades are Remove the bolt (1) and nut manufactured and approved (2). Remove the cover. Fit the for freehand cutting. The drive belt over the clutch paper labels on each side of drum. Refit the cover and the blade are there to tighten the bolt (1) and nut (2). distribute the pressure from the flange washer and prevent the blade from slipping. The blade is placed between 2 1 the flange hub (A) and the flange washer (B).
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FUEL HANDLING Fuelmix Fuelling IMPORTANT! The power cutter is equipped with a two-stroke engine and must always been run using a mixture of gasoline WARNING!The following precautions reduce and two-stroke engine oil. It is important to accurately measure the risk of fire: ! the amount of oil to be mixed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, even small • Do not smoke or place any sources of heat in the inaccuracies can drastically affect the ratio of t
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START AND STOP Start Start and stop WARNING! Before starting observe the WARNING! The cutting blade can rotate when following: the engine starts. Make sure it can rotate ! ! freely. • Do not start the power cut without the cutting arm or Take hold of the front handle cutting head fitted. Otherwise the clutch can come using your left hand. Place loose and cause personal injury. your right foot on the lower • Always move the power cutter from the filling area section of the rear handle and before
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MAINTENANCE Belt pulley and clutch Adjusting the drive belt Never start the engine when the belt pulley and clutch are • The drive belt is fully removed for maintenance. enclosed and well protected from dust, dirt and A mechanical effects during the cutting process. • To tension the drive belt, slightly loosen the bolts (A), which secure the cutting head and belt guard. • Turn the tensioning screw so that the nut (B) is located B directly under the arrow on the cover. Shake the head to ensure th
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MAINTENANCE Conditions Carburetor Carburetor • Before any adjustments are made the air filters should be Your Husqvarna product has been designed and manufactured clean and the cylinder cowling fitted. Adjusting the carburetor to specifications that reduce harmful emissions. while a dirty air filter is in use will result in a leaner mixture After your unit has been run 8-10 tanks of fuel the engine has when the filter is finally cleaned. This can give rise to serious broken in. To ensure that yo
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MAINTENANCE Fuel filter • The fuel filter sits inside the fuel tank. • The fuel tank must be protected from contamination when filling. This reduces the risk of operating disturbances caused by blockage of the fuel filter. • The filter cannot be cleaned but must be replaced with a new filter when it blocked. The filter should be changed at least once per year. Air filter The air filter should be cleaned regularly removing dust and dirt to avoid: • Carburettor malfunction • Starting problems 2 •
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MAINTENANCE Tensioning the recoil spring Starter WARNING! • Lift up the starter cord from • The recoil spring sits in its tensioned posi- the cut out on the pulley and ! tion in the starter housing and can with turn the pulley approx. 2 careless handling fly out and cause personal turns clockwise. injury. • When replacing the recoil spring or the NOTE! Ensure the starter starter cord great care should be exercised. pulley can be turned at least Always wear protective glasses. a further 1/2 turn
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MAINTENANCE Spark plug Cooling system To maintain as low an operating temperature as possible the power cutter is equipped with a cooling system. The condition of the spark plug is affected by: The cooling system consists of: • An incorrect carburettor 0,5 mm setting. 1. An air intake on the • An incorrect fuel mixture starter unit. (too much oil). • A dirty air filter. 2. Air flow guide. 5 These factors cause deposits 3. Cooling fins on the on the spark plug electrode flywheel. 4 that may resu
