H1153174-95,426LST,430LS,US.fm Page 1 Monday, November 30, 2009 10:56 AM Operator’s manual 426LST 430LS Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
H1153174-95,426LST,430LS,US.fm Page 2 Monday, November 30, 2009 10:56 AM KEY TO SYMBOLS Symbols Other symbols/decals on the machine refer to special certification requirements for certain markets. The engine is switched off by moving the stop switch to the stop position. CAUTION! The stop switch automatically returns to the start position. In order to prevent unintentional starting, the spark plug cap must be removed from the spark plug when assembling, checking and/or performing maintenance.
H1153174-95,426LST,430LS,US.fm Page 3 Monday, November 30, 2009 10:56 AM CONTENTS Contents KEY TO SYMBOLS Symbols ................................................................ CONTENTS Contents ............................................................... Note the following before starting: ........................ INTRODUCTION Dear customer! ..................................................... WHAT IS WHAT? What is what? .......................................................
H1153174-95,426LST,430LS,US.fm Page 4 Monday, November 30, 2009 10:56 AM INTRODUCTION Dear customer! Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689, when the Swedish King Karl XI ordered the construction of a factory on the banks of the Huskvarna River, for production of muskets. The location was logical, since water power was harnessed from the Huskvarna River to create the waterpowered plant.
H1153174-95,426LST,430LS,US.
H1153174-95,426LST,430LS,US.fm Page 6 Monday, November 30, 2009 10:56 AM GENERAL SAFETY PRECAUTIONS Important Personal protective equipment IMPORTANT! IMPORTANT! The machine is only designed for trimming grass. A clearing saw, brushcutter or trimmer can be dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others. It is extremely important that you read and understand the contents of this operator’s manual.
H1153174-95,426LST,430LS,US.fm Page 7 Monday, November 30, 2009 10:56 AM GENERAL SAFETY PRECAUTIONS CLOTHING Throttle lockout Wear clothes made of a strong fabric and avoid loose clothing that can catch on twigs and branches. Always wear heavy, long pants. Do not wear jewellery, shorts sandals or go barefoot. Secure hair so it is above shoulder level. The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e.
H1153174-95,426LST,430LS,US.fm Page 8 Monday, November 30, 2009 10:56 AM GENERAL SAFETY PRECAUTIONS Cutting attachment guard For mufflers it is very important that you follow the instructions on checking, maintaining and servicing your machine. Never use a machine that has a faulty muffler. This guard is intended to prevent loose objects from being thrown towards the operator. The guard also protects the operator from accidental contact with the cutting attachment.
H1153174-95,426LST,430LS,US.fm Page 9 Monday, November 30, 2009 10:56 AM GENERAL SAFETY PRECAUTIONS Cutting equipment Trimmer head This section describes how to choose and maintain your cutting equipment in order to: • Reduce the risk of blade thrust. • Obtain maximum cutting performance. • Extend the life of cutting equipment. IMPORTANT! Always ensure the trimmer cord is wound tightly and evenly around the drum, otherwise the machine will generate harmful vibration.
H1153174-95,426LST,430LS,US.fm Page 10 Monday, November 30, 2009 10:56 AM ASSEMBLY Fitting the loop handle • Position the handle on the shaft. Note that the handle must be mounted below the arrow on the shaft. Fitting the trimmer guard and trimmer head • Fit the correct trimmer guard (A) for use with the trimmer head. A • Slide the spacer into the slot in the loop handle. Fit the nut and screw. Tighten. • Tighten the two screws. • Fit the drive disc (B) on the output shaft.
H1153174-95,426LST,430LS,US.fm Page 11 Monday, November 30, 2009 10:56 AM FUEL HANDLING Fuel safety Gasoline Never start the machine: 1 If you have spilled fuel on it. Wipe off the spillage and allow remaining fuel to evaporate. 2 If you have spilled fuel on yourself or your clothes, change your clothes. Wash any part of your body that has come in contact with fuel. Use soap and water. 3 If the machine is leaking fuel. Check regularly for leaks from the fuel cap and fuel lines.
H1153174-95,426LST,430LS,US.fm Page 12 Monday, November 30, 2009 10:56 AM FUEL HANDLING Mixing • Always mix the gasoline and oil in a clean container intended for fuel. • Always start by filling half the amount of the gasoline to be used. Then add the entire amount of oil. Mix (shake) the fuel mixture. Add the remaining amount of gasoline. • Fueling ! Mix (shake) the fuel mixture thoroughly before filling the machine’s fuel tank.
H1153174-95,426LST,430LS,US.fm Page 13 Monday, November 30, 2009 10:56 AM STARTING AND STOPPING Check before starting • Check that the trimmer head and trimmer guard are not damaged or cracked. Replace the trimmer head or trimmer guard if they have been exposed to impact or are cracked. • Never use the machine without a guard nor with a defective guard. • All covers must be correctly fitted and undamaged before you start the machine.
H1153174-95,426LST,430LS,US.fm Page 14 Monday, November 30, 2009 10:56 AM STARTING AND STOPPING CAUTION! Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is fully extended. This can damage the machine. Stopping 14 – English P STO RUN Stop the engine by switching off the ignition.
H1153174-95,426LST,430LS,US.fm Page 15 Monday, November 30, 2009 10:56 AM WORKING TECHNIQUES General working instructions 6 Always hold the machine with both hands. Hold the machine on the right side of your body. 7 Keep the cutting attachment below waist level. 8 The engine must be switched off before moving. 9 Never put the machine down with the engine running unless you have it in clear sight. IMPORTANT! This section takes up the basic safety precautions for working with a trimmer.
H1153174-95,426LST,430LS,US.fm Page 16 Monday, November 30, 2009 10:56 AM WORKING TECHNIQUES Basic working techniques Clearing Always slow the engine to idle speed after each working operation. Long periods at full throttle without any load on the engine can lead to serious engine damage. • The clearing technique removes all unwanted vegetation. Keep the trimmer head just above the ground and tilt it. Let the end of the cord strike the ground around trees, posts, statues and the like.
H1153174-95,426LST,430LS,US.fm Page 17 Monday, November 30, 2009 10:56 AM MAINTENANCE Carburetor Adjustment of the idle speed Check that the air filter is clean. When the idle speed is correct, the cutting attachment should not rotate. If adjustment is required, close (turn clockwise) the idle adjustment screw T, with the engine running, until the cutting attachment starts to rotate. Open (turn anticlockwise) the screw until the cutting attachment stops.
H1153174-95,426LST,430LS,US.fm Page 18 Monday, November 30, 2009 10:56 AM MAINTENANCE replaced after about a month in operation or earlier if necessary. • Excessive fuel consumption. 0,6 - 0,7 mm (426 LST) 0,9 - 1,0 mm (430 LS) CAUTION! Always use the recommended spark plug type! Use of the wrong spark plug can damage the piston/ cylinder. Check that the spark plug is fitted with a suppressor. Fuel filter When the engine runs short of fuel supply, check the fuel cap and the fuel filter for blockage.
H1153174-95,426LST,430LS,US.fm Page 19 Monday, November 30, 2009 10:56 AM MAINTENANCE Maintenance schedule The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section. Maintenance Daily maintenance Clean the outside of the machine. X Make sure the throttle trigger lock and the throttle function correctly from a safety point of view. X Check that the stop switch works correctly.
H1153174-95,426LST,430LS,US.fm Page 20 Monday, November 30, 2009 10:56 AM TECHNICAL DATA Technical data 426LST 430LS Motor Cylinder displacement, cu.in/cm3 1,55/25,4 1,80/29,5 Cylinder bore, inch/mm 1,34/34 1,50/38 Stroke, inch/mm 1,10/28 1,03/26 Idle speed, rpm 3000 3000 Recommended max. speed, rpm 11500 10000 Speed of output shaft, rpm 5500 6850 Max. engine output, acc.
H1153174-95,426LST,430LS,US.fm Page 21 Monday, November 30, 2009 10:56 AM FEDERAL AND CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (U.S. Environmental Protection Agency), CARB (California Air Resources Board), Environment Canada and Husqvarna Forest & Garden are pleased to explain the emissions control system’s warranty on your 2009 and later small off-road engine. In U.S.
H1153174-95,426LST,430LS,US.fm Page 22 Monday, November 30, 2009 10:56 AM FEDERAL AND CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT EMISSION WARRANTY PARTS LIST 1 Carburetor and internal parts 2 Intake pipe, airfilter holder and carburetor bolts. 3 Airfilter and fuelfilter covered up to maintenance schedule. 4 Spark Plug, covered up to maintenance schedule 5 Ignition Module 6 Fuel tank WHAT IS NOT COVERED All failures caused by abuse, neglect or improper maintenance are not covered.
H1153174-95,426LST,430LS,US.fm Page 23 Monday, November 30, 2009 10:56 AM T25 2 3 2,0-2,4 mm .079-.
H1153174-95,426LST,430LS,US.fm Page 24 Monday, November 30, 2009 10:56 AM S35 2 3 2,4-2,7 mm .095-.
H1153174-95,426LST,430LS,US.fm Page 25 Monday, November 30, 2009 10:56 AM S35 3 2 2,4-2,7 mm .095-.
H1153174-95,426LST,430LS,US.fm Page 26 Monday, November 30, 2009 10:56 AM T35, T35x 2 3 2,4-2,7 mm .095-.
H1153174-95,426LST,430LS,US.
H1153174-95,426LST,430LS,US.