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Husqvarna 524R Operator's Manual

Husqvarna 524R Operator's Manual

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Oper ator ' s manual
Please r ead the operator's manual carefully and make sure you understand the instructions
before using the machine.
E E E E n n n n g g g g l l l l i i i i s s s s h h h h


Table of Contents

Summary of Contents for Husqvarna 524R

  • Page 1 Oper ator ′ s manual 524R Please r ead the operator’s manual carefully and make sure you understand the instructions before using the machine. E E E E n n n n g g g g l l l l i i i i s s s s h h h h...
  • Page 2: Key To Symbols

    KEY T O SYMBOLS Symbols W ARNING! Clearing saws, Wear sturdy, non-slip boots. 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 Only use non-metallic, flexible operator’s manual.
  • Page 3: Table Of Contents

    CONTENTS Contents Note the f ollowing before starting: KEY TO SYMBOLS Symbols ..............2 Please read the oper ator’s manual carefully. CONTENTS Contents ............... 3 W ARNING! Long-term exposure to noise can result in permanent hearing Note the following before starting: ......3 impairment.
  • Page 4: Intr Oduction

    The business concept is to develop, manufacture and market motor driven products for forestry and gardening as well as for building and construction industry. Husqvarna ′ s aim is also to be in the front edge according to ergonomics, usability, security and environmental protection.
  • Page 5: Wha T Is What

    WHA T IS WHA T? What is what on the brush cutter? Blade 16 Air filter cover Grease filler cap, bevel gear 17 Handle adjustment Bevel gear 18 Locking nut Cutting attachment guard 19 Support flange Shaft 20 Support cup Handlebar 21 Drive disc Throttle control...
  • Page 6: General Safety Preca Utions

    GENERAL SAFETY PRECA UTIONS Impor tant Personal protective equipment IMPORTANT! IMPOR TANT! The machine is only designed for trimming grass, grass A clearing saw, brushcutter or trimmer can be clearing and/or forestry clearing. dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operator or others.
  • Page 7: Machine ' S Safety Equipment

    GENERAL SAFETY PRECA UTIONS BOO TS control and the throttle lockout both move back to their original positions. This movement is controlled by two Wear boots with steel toe-caps and non-slip sole. independent return springs. This arrangement means that the throttle control is automatically locked at the idle setting.
  • Page 8 GENERAL SAFETY PRECA UTIONS be chec ked. See instructions under the heading Vibration damping system Maintenance. Y our machine is equipped with a vibration damping system that is designed to minimize vibration and make operation easier. Stop s witch Using incorrectly wound cord or a blunt or incorrect cutting attachment (wrong type or incorrectly filed, see Use the stop s witch to switch off the engine.
  • Page 9 GENERAL SAFETY PRECAUTIONS under the heading Adjusting the harness and brush Regularly check that the muffler is securely attached to cutter. the machine. Check that the harness straps are correctly positioned. Once the harness and machine have been adjusted, check that the harness quick release works correctly. If the muffler on your machine is fitted with a spark Muffler arrestor mesh this must be cleaned regularly.
  • Page 10: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS When fitting, tighten the nut in the opposite direction to the WARNING! Always stop the engine direction of rotation of the cutting attachment. To remove before doing any work on the cutting it, undo the nut in the same direction as the cutting attachment.
  • Page 11: Sharpening Grass Cutters And Grass Blades

    GENERAL SAFETY PRECAUTIONS Keep the correct setting on the saw blade! Follow our A correctly sharpened blade is essential for working instructions and use the recommended setting tool. An efficiently and to avoid unnecessary wear to the blade and incorrectly set saw blade increases the risk of jamming brush cutter.
  • Page 12: Trimmer Head

    GENERAL SAFETY PRECAUTIONS Trimmer head IMPORTANT! Always ensure the trimmer cord is wound tightly and evenly around the drum, otherwise the machine will generate harmful vibration. • Only use the recommended trimmer heads and trimmer cords. These have been tested by the manufacturer to suit a particular engine size.
  • Page 13: Assembly

    ASSEMBLY Fitting the handlebar Transport position, handlebar • Remove the screw at the rear of the throttle handle. • The handlebar can easily be turned to fit along the • Slide the throttle handle onto the right side of the shaft for easier transportation and storage.
  • Page 14: Fitting A Blade Guard, Grass Blade And Grass Cutter

    ASSEMBLY Fitting a blade guard, grass blade Fitting the blade guard and saw and grass cutter blade • Remove the mounting plate (H). Fit the adapter (I) and bracket (J) with the two screws (K) as shown. Fit the blade guard (A) to the adapter using the 4 screws (L) as shown.
  • Page 15: Fitting A Trimmer Guard And Superauto Ii 1" Trimmer Head

    ASSEMBLY the spanner in the opposite direction to the direction Insert a finger into the centre hole of the cover (I) while of rotation (Caution! left-hand thread). grasping the cover with your other fingers. Using the index finger and thumb of your other hand, release the two catches (J) that engage in the cut-outs in the bottom half (K).
  • Page 16: Adjusting The Harness And Brush Cutter

    ASSEMBLY guard onto the fitting on the shaft and secure it with situation that requires you to free yourself from the the bolt (L). machine and harness. Spreading the load on your shoulders A well-adjusted harness and machine makes work much easier.
  • Page 17: Fuel Handling

    Contact your local petrol operation. station to find out where to dispose of excess fuel. • For the best result and function use HUSQVARNA • The transport guard must always be fitted to the engine oil.
  • Page 18 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. Fuelling WARNING! Taking the following precautions, will lessen the risk of fire: Do not smoke or place hot objects near fuel.
  • Page 19: Starting And Stopping

    STARTING AND STOPPING Check before starting trimmer guard if they have been exposed to impact or are cracked. • Check the blade to ensure that no cracks have formed at the bottom of the teeth or by the centre hole. The most common reason why cracks are formed is that sharp corners have been formed at the bottom of the teeth while sharpening or that the blade has been...
  • Page 20 STARTING AND STOPPING Primer bulb: Press the air purge repeatedly until fuel Starting begins to fill the bulb. The bulb need not be completely filled. 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.
  • Page 21: Working Techniques

    WORKING TECHNIQUES General working instructions yourself incorrectly or make the cut in the wrong place the tree may hit you or the machine and cause you to lose control. Both situations can cause serious IMPORTANT! personal injury. This section describes the basic safety precautions for working with brush cutters and trimmers.
  • Page 22 WORKING TECHNIQUES • Control the felling direction (take advantage of the • Start at whichever end of the area is easiest, and clear wind). an open space from which to work. • Work systematically to and fro across the area, WARNING! Neither the operator of the clearing a width of around 4-5 m on each pass.
  • Page 23 WORKING TECHNIQUES • To fell to the left, the bottom of the tree should be wood. Small stems require more pressure, while large pushed to the right. Tilt the blade and bring it stems require less pressure. diagonally down to the right, exerting firm pressure. At the same time push the stem using the blade guard.
  • Page 24 WORKING TECHNIQUES Grass clearing using a grass blade can also damage sensitive bark on trees and bushes, and damage fence posts. • Reduce the risk of damaging plants by shortening the cord to 10-12 cm and reducing the engine speed. •...
  • Page 25: Maintenance

    MAINTENANCE Carburettor Muffler WARNING! The complete clutch cover and shaft must be fitted before the machine is started, otherwise the clutch CAUTION! Some mufflers are fitted with a catalytic can come loose and cause personal converter. See chapter on Technical data to see whether injury.
  • Page 26: Cooling System

    MAINTENANCE Cooling system 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. Air filter To keep the working temperature as low as possible the machine is equipped with a cooling system.
  • Page 27: Bevel Gear

    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.
  • Page 28: Maintenance Schedule

    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 Operator’s Manual.
  • Page 29: Technical Data

    TECHNICAL DATA Technical data 524R Engine Cylinder displacement, cm 25,0 Cylinder bore, mm Stroke, mm Idle speed, rpm 3100 Recommended max. speed, rpm 11000 Speed of output shaft, rpm 8300 Max. engine output, acc. to ISO 8893, kW/ rpm 0,8 / 7000 Catalytic converter muffler...
  • Page 30: Ec-Declaration Of Conformity

    We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declare that the brush cutters Husqvarna 524R with serial numbers dating from 2016 onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S DIRECTIVE: - of May 17, 2006 ”relating to machinery”...
  • Page 31 Super Auto II Super Auto II 1 " 4,0 m 15 cm ~2,0 m 6 " 6,5 ' 15 cm 6 "...
  • Page 33 8,5 m 10 cm 4" 4,2 m "Clic" 15 cm 6"...
  • Page 34 4,25 m 4,25 m 15 cm 6" 15 cm 6"...
  • Page 35 T35, T35x 8,5 m 10 cm 4" 4,3 m "Clic" 15 cm 6"...
  • Page 36 Original instructions 1157372-26 ´®z+U<h¶64¨ ´®z+U<h¶64¨ 2016-04-26...

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