41B/155B Operator's manual Read through the Operator‘s manual carefully and understand the content before using the machine.
SYMBOL EXPLANATION Symbols WARNING! Careless or incorrect use of the blower can result in serious damage or fatal injury to the operator or others. Read through the Operator‘s Manual carefully and understand the content before using the machine. Always use • A protective helmet where there is a risk of falling objects • Ear protection • Approved eye protection Other symbols/decals on the machine refer to special certification requirements for certain markets.
CONTENTS Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and appearance of products without prior notice. ! WARNING! Under no circumstances should you modify the original design of the blower without approval from the manufacturer. Always use genuine spare parts. Unauthorised modifications or accessories may lead to serious injury or death. List of contents SYMBOL EXPLANATION Symbols ........................................................
SAFETY INSTRUCTIONS Personal protective equipment MPORTANT INFORMATION BREATHING PROTECTION Breathing protection should be worn if there is a risk of dust. • A blower used incorrectly or carelessly can become a dangerous tool, which can cause serious damage or fatal injury to the operator or others. It is very important that you read and understand the content in this manual. • When using a blower, personal protective equipment approved by the appropriate authorities must be used.
SAFETY INSTRUCTIONS 3. Vibration damping system Your machine is equipped with a vibration damping system, which is designed to give as vibration-free and comfortable use as possible. The machine’s vibration damping system reduces the transfer of vibrations. ! WARNING! Over exposure to vibrations can result in blood-vessel or nerve injury to persons suffering with blood circulation problems. Seek medical attention if you experience physical symptoms that can be related to over exposure to vibrations.
SAFETY INSTRUCTIONS Control, maintenance and service of the machine‘s safety equipment IMPORTANT INFORMATION 3. Muffler 1. Never use a machine that has a defective muffler. • All service and repairs to the machine require special training. 2. Check regularly that the muffler is secure. • This applies especially to the machine‘s safety equipment. If the machine does not meet any of the controls listed below you should contact your service workshop. 3.
SAFETY INSTRUCTIONS General safety instructions IMPORTANT INFORMATION • The only accessories to be used with the engine unit as a drive source are the cutting units we recommend in the chapter “Technical data“. • Never use the machine if you are tired, if you have consumed alcohol, or if you are taking medicines that can affect your sight, your judgement or the control of your body. • Use personal protective equipment. See the section “Personal protective equipment“.
SAFETY INSTRUCTIONS ! WARNING! Always use the harness when working with the machine, otherwise it will not be possible to operate it safety and this can result in injury to yourself or others. Never use a harness with a faulty quick release. Quick release On the front is an easily accessible, quick release catch: • Pull out the red strap. • The hip strap and one shoulder strap will be automatically released at the same time and the harness and the engine unit will slide to the ground.
SAFETY INSTRUCTIONS 5. Never operate the blower in poorly ventilated spaces where exhause fumes might otherwise be inhaled. 6. Do not operate the blower while standing on a ladder or a stand. 7. Avoid usage in unfavourable weather conditions. For example, thick fog, heavy rain, strong winds or extreme cold, etc. To work in bad weather conditions is tiring and can create dangerous circumstances, e.g. slippery surfaces. 8. Make sure you can walk and stand safely.
WHAT IS WHAT? 6 12 8 1 13 11 7 2 9 10 4 15 3 14 5 What is what on the blower? 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15.
ASSEMBLY D A G H E B C F Assembly of the blower 1. Connect the flexible hose (A) to the fan’s outlet tube (B) with a hose clamp. 2. Connect the operating tube (C) to the flexible hose with a hose clamp. 3. Fit the control handle (D) on the operating tube (C). 4. Fit the left handle (E) on the operating tube and tighten the screw (F). 5. Connect the intermediate tube (G) and air nozzle (H). Push the tubes together and turnthem so that they lock together.
FUEL HANDLING Fuel mixture NOTE! The machine is fitted with a two-stroke engine and must always be run on a mixture of petrol and two-stroke oil. It is important to measure the quantity of oil accurately, to ensure the correct mixture ratio. Small discrepancies in the amount of oil have a great bearing on the proportions of the fuel mixture when mixing small amounts of fuel. ! WARNING! Always provide good ventilation when handling fuel.
START AND STOP Start and stop ! WARNING! Always move the machine from the filling area before starting. Place the machine on a flat surface. Make sure no unauthorised persons are in the working area, otherwise there is a risk of serious personal injury. The safety distance is 15 metres. Cold engine IGNITION: Set the stop switch to the start position. CHOKE: Set the choke control in the choke position. AIR PURGE: Press the air purge diaphragm repeatedly until fuel begins to fill the diaphragm.
MAINTENANCE Carburettor Basic setting Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. After your unit has been run 8-10 tanks of fuel the engine has broken in. To ensure that your unit is at peak performance and producing the least amount of harmful emissions after break in, have your authorized servicing dealer, who has a revolution counter at his disposal, to adjust your carburettor for optimum operating conditions.
MAINTENANCE Muffler Cooling system NOTE! Some mufflers are fitted with a catalytic converter. See “Technical data” to see whether your machine is fitted with a catalytic converter. To maintain as low operating temperature as possible the engine is equipped with a cooling system. The cooling system consists of: 1.An air intake on the starter unit. The muffler is designed to dampen the noise level and to direct the exhaust fumes away from the user.
MAINTENANCE Air filter Maintenance schedule The air filter should be cleaned regularly removing dust and dirt to avoid: • carburettor malfunction • starting problems • reduced engine power • unnecessary wear to engine parts • abnormal fuel consumption Clean the filter after every 25 hours or more regularly if operating conditions are exceptionally dusty. Below follows some general maintenance instructions. If you need further information please contact your service workshop.
MAINTENANCE Weekly maintenance 1.Check the starter, the starter cord and the return spring. 2.Make sure that the vibration damping elements are not damaged. Monthly maintenance 1 1.Clean the fuel tank. 2 2.Clean the carburettor and the area surrounding it. 2 3.Clean the fan and the area around it. 3 3.Clean the outside of the spark plug. Remove and check the electrode gap. Adjust the gap to 0.5 mm or change the spark plug. 4.Clean the cooling fins on the flywheel. 1 4.
TECHNICAL DATA Technical data 141B 155B Engine Cylinder capacity, cu. in/cm3 Cylinder bore, inch/mm Stroke length, inch/mm Idling speed, rpm Recommended max. speed, rpm Max. engine output, acc.
EU declaration of conformity (Only applies to Europe) (Directive 89/392/EEC, Annex II, A) We, Husqvarna AB, S-561 82 Huskvarna, Sweden, tel: +46 36-146500, declare under sole responsibility that the blowers Husqvarna141B and 155 from 2000’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), are in conformity with the following standards or other normative documents following the provisions in the COUNCIL’S DIRECTIVES: - of June 22 1998 “rel
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