Operator’s manual (EPA) 324RX-Series Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
KEY TO SYMBOLS Symbols WARNING! Clearing saws, brushcutters and trimmers can be dangerous! Careless or incorrect use can result in serious or fatal injury to the operator or others. It is extremely important that you read and understand the contents of the operator’s manual. Only use non-metallic, flexible cutting attachments, i.e. trimmer heads with trimmer cord. Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
CONTENTS Contents KEY TO SYMBOLS Symbols .................................................................... CONTENTS Contents .................................................................... Note the following before starting: ............................. INTRODUCTION Dear customer! .......................................................... WHAT IS WHAT? What is what on the clearing saw? ............................ GENERAL SAFETY PRECAUTIONS Impor tant ...............................................
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 water-powered plant.
WHAT IS WHAT? What is what on the clearing saw? 1 Blade 16 Air filter cover 2 Grease filler cap, bevel gear 17 Handle adjustment 3 Bevel gear 18 Locking nut 4 Cutting attachment guard 19 Support flange 5 Shaft 20 Support cup 6 Handlebar 21 Drive disc 7 Throttle control 22 Trimmer head 8 Stop switch 23 Socket spanner 9 Throttle lockout 24 Operator’s manual 10 Suspension 25 Transport guard 11 Cylinder cover 26 Allen key 12 Starter handle 27 Locking pin 13 Fuel tank 28 Harnes
GENERAL SAFETY PRECAUTIONS Important Personal protective equipment IMPORTANT! IMPORTANT! The machine is only designed for trimming grass, grass clearing and/or forestry clearing. 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.
GENERAL SAFETY PRECAUTIONS BOOTS Throttle lockout Wear boots with steel toe-caps and non-slip sole. The throttle lockout is designed to prevent accidental operation of the throttle control. When you press the lock (A) (i.e. when you grasp the handle) it releases the throttle control (B). When you release the handle the throttle control and the throttle lockout both move back to their original positions. This movement is controlled by two independent return springs.
GENERAL SAFETY PRECAUTIONS then the carburettor idle setting must be checked. See instructions under the heading Maintenance. Vibration damping system Your machine is equipped with a vibration damping system that is designed to reduce vibration and make operation easier. Stop switch Use the stop switch to switch off the engine.
GENERAL SAFETY PRECAUTIONS Quick release There is an easily accessible, quick release fitted at the front as a safety precaution in case the engine catches fire, or in any other situation that requires you to free yourself from the machine and harness. See instructions under the heading Adjusting the harness and clearing saw. Check that the harness straps are correctly positioned. Once the harness and machine have been adjusted, check that the harness quick release works correctly.
GENERAL SAFETY PRECAUTIONS Locking nut Cutting equipment This section describes how to choose and maintain your cutting equipment in order to: A locking nut is used to secure some types of cutting attachment. • Reduce the risk of blade thrust. • Obtain maximum cutting performance. • Extend the life of cutting equipment. IMPORTANT! Only use cutting attachments with the guards we recommend! See the chapter on Technical data.
GENERAL SAFETY PRECAUTIONS General rules Sharpening grass cutters and grass blades Only use cutting attachments with the guards we recommend! See the chapter on Technical data. • See the cutting attachment packaging for correct sharpening instructions. Sharpen blades and cutters using a single-cut flat file. • Sharpen all edges equally to maintain the balance of the blade. Keep the teeth of the blade correctly sharpened! Follow our instructions and use the recommended file gauge.
GENERAL SAFETY PRECAUTIONS • The filing angle is 15°. File alternate teeth to the right and those in between to the left. If the blade has been heavily pitted by stones it may be necessary to dress the top edges of the teeth with a flat file, in exceptional cases. If so, this should be done before filing with a round file. The top edges must be filed down by the same amount for all the teeth. Adjust the blade setting. This should be 1 mm.
ASSEMBLY Fitting the handlebar • Remove the screw at the rear of the throttle handle. • Slide the throttle handle onto the right side of the handlebar, (see diagram). • Put on the harness and hang the machine from the support hook. Now make a final adjustment so that the machine is in a comfortable working position when it hangs from the harness. Tighten the knob. Transport position, handlebar • Align the screw hole in the throttle handle with the hole in the handlebar.
ASSEMBLY Assembling the cutting equipment ! ! CAUTION! Use the recommended blade guard. See the Technical data section. WARNING! • Fit the drive disc (B) on the output shaft. When fitting the cutting attachment it is extremely important that the raised section on the drive disc/support flange engages correctly in the centre hole of the cutting attachment. If the cutting attachment is fitted incorrectly it can result in serious and/or fatal personal injury.
ASSEMBLY CAUTION! Use the recommended blade guard. See the Technical data section. G Fitting a trimmer guard and Superauto II 1" trimmer head F D K G F I K B J B C I C • Fit the drive disc (B) on the output shaft. • Turn the blade shaft until one of the holes in the drive disc aligns with the corresponding hole in the gear housing. • Insert the locking pin (C) in the hole to lock the shaft. • Place the blade (D) and support flange (F) on the output shaft. • • Fit the nut (G).
ASSEMBLY • Fit the bottom half of the trimmer head (K) to the cover (I) by pressing them together, with the cut-outs on the bottom half aligned with the catches on the cover. • Screw on the trimmer head/plastic blades (H) in the opposite direction to the direction of rotation. H H • To dismantle, follow the instructions in the reverse order. Fitting other guards and cutting attachments • To dismantle, follow the instructions in the reverse order.
ASSEMBLY Correct height Adjust the shoulder strap so that the cutting attachment is parallel to the ground. Correct balance Let the cutting attachment rest lightly on the ground. If you use a saw blade it should balance about 10 cm above the ground to prevent contact with stones and the like. Adjust the position of the suspension ring to balance the clearing saw correctly.
FUEL HANDLING Fuel handling Gasoline Never start the machine: Always use an unleaded quality petrol of at least 90 octane (RON). 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.
FUEL HANDLING When the oil level is low, top up using engine oil to the edge of the oil refill hole. Only use recommended engine oil. Fueling ! WARNING! Taking the following precautions, will lessen the risk of fire: Do not smoke or place hot objects near fuel. Always shut off the engine before refuelling. Always stop the engine and let it cool for a few minutes before refuelling. When refuelling, open the fuel cap slowly so that any excess pressure is released gently.
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. Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole.
STARTING AND STOPPING Choke: Set the choke control in the choke position. Primer bulb: Press the air purge repeatedly until fuel begins to fill the bulb. The bulb need not be completely filled. O I Starting ! WARNING! When the engine is started with the choke in either the choke or start throttle positions the cutting attachment will start to rotate immediately. Hold the body of the machine on the ground using your left hand (CAUTION! Not with your foot!).
WORKING TECHNIQUES General working instructions may hit you or the machine and cause you to lose control. Both situations can cause serious personal injury. IMPORTANT! This section describes the basic safety precautions for working with clearing saws and trimmers. If you encounter a situation where you are uncertain how to proceed you should ask an expert. Contact your dealer or your service workshop. Avoid all usage which you consider to be beyond your capability.
WORKING TECHNIQUES The ABC of clearing • Always use the correct equipment. • Make sure the equipment is well adjusted. • Follow the safety precautions. • Organise your work carefully. • Always use full throttle when starting to cut with the blade. • Always use sharp blades. • Avoid stones. • Control the felling direction (take advantage of the wind).
WORKING TECHNIQUES • You should plan the strip so that you avoid going over ditches or other obstacles on the ground. You should also orient the strip to take advantage of wind conditions, so that cleared stems fall in the cleared area of the stand. • To fell to the right, the bottom of the tree should be pushed to the left. Tilt the blade and bring it diagonally up to the right.
WORKING TECHNIQUES Brush cutting with a saw blade • Thin stems and brush are mown down. Work with a sawing movement, swinging sideways. • Try to cut several stems in a single sawing movement. • With groups of hardwood stems, first clear around the group. Start by cutting the stems high up around the outside of the group to avoid jamming. Then cut the stems to the required height. Now try to reach in with the blade and cut from the centre of the group.
WORKING TECHNIQUES Cutting • The trimmer is ideal for cutting grass that is difficult to reach using a normal lawn mower. Keep the cord parallel to the ground when cutting. Avoid pressing the trimmer head against the ground as this can ruin the lawn and damage the tool. • Do not allow the trimmer head to constantly come into contact with the ground during normal cutting. Constant contact of this type can cause damage and wear to the trimmer head.
MAINTENANCE Carburetor ! WARNING! The complete clutch cover and shaft must be fitted before the machine is started, otherwise the clutch can come loose and cause personal injury. Function Muffler CAUTION! Some mufflers are fitted with a catalytic converter. See chapter on Technical data to see whether your machine is fitted with a catalytic converter. The muffler is designed to reduce the noise level and to direct the exhaust gases away from the operator.
MAINTENANCE Cooling system Air filter To keep the working temperature as low as possible the machine is equipped with a cooling system. The air filter must be regularly cleaned to remove dust and dirt in order to avoid: • Carburettor malfunctions • Starting problems • Loss of engine power • Unnecessary wear to engine parts • Excessive fuel consumption. Clean the filter every 25 hours, or more regularly if conditions are exceptionally dusty.
MAINTENANCE Oiling the air filter Always use HUSQVARNA filter oil, art. no. 531 00 92-48. The filter oil contains a solvent to make it spread evenly through the filter. You should therefore avoid skin contact. Put the filter in a plastic bag and pour the filter oil over it. Knead the plastic bag to distribute the oil. Squeeze the excess oil out of the filter inside the plastic bag and pour off the excess before fitting the filter to the machine. Never use common engine oil.
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. The user must only carry out the maintenance and service work described in this manual. More extensive work must be carried out by an authorised service workshop. Maintenance Clean the outside of the machine. Check that the harness is not damaged. Check that the suspension ring is not damaged.
TECHNICAL DATA Technical data 324Rx Engine Cylinder displacement, cu.in/cm3 1,53/25,0 Cylinder bore, inch/mm 1,38/35 Stroke, inch/mm 1,03/26 Idle speed, rpm 3100 Recommended max. fast idle speed, rpm 11000 Speed of output shaft, rpm 8300 Max. engine output, acc.
TECHNICAL DATA 324Rx Approved accessories Type Cutting attachment guard, Art. no.
FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (The US Environmental Protection Agency), Environment Canada and Husqvarna Forest & Garden are pleased to explain the emissions control system warranty on your 2001 and later small nonroad engine. In U.S. and Canada, new small nonroad engines must be designed, built and equipped to meet the federal stringent anti-smog standards.
Super Auto II Super Auto II 1" 1 2 3 4 2,4 mm .
S35 2 3 2,4-2,7 mm .095-.
S35 3 2 2,4-2,7 mm .095-.
T35, T35x 2 3 2,4-2,7 mm .095-.
1150262-95 ´®z+R:=¶5I¨ ´®z+R:=¶5I¨ 2008-03-31