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Husqvarna K650 Operator's Manual

Husqvarna cut-n-break operator's manual.
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Operator's manual (EPA)
K650 Cut-n-Break
Please read the operator's manual carefully and make sure you understand the
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
instructions before using the machine.


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   Summary of Contents for Husqvarna K650

  • Page 1

    Operator’s manual (EPA) K650 Cut-n-Break Please read the operator’s manual carefully and make sure you understand the 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

    Symbols on the machine: WARNING! The machine can be a dangerous tool if used incorrectly or carelessly, which can cause serious or fatal injury to the operator or others. Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.

  • Page 3: Table Of Contents

    Contents KEY TO SYMBOLS Symbols on the machine: ... Symbols in the operator’s manual: ... CONTENTS Contents ... WHAT IS WHAT? What is what on the power cutter? ... SAFETY INSTRUCTIONS Steps before using a new power cutter ... Personal protective equipment ... General safety precautions ...

  • Page 4: What Is What

    HUSQVARNA CONSTRUCTION PRODUCTS What is what on the power cutter? 1 Operator’s manual (EPA) 2 Combination spanner 3 Air filter cover 4 Front handle and water tap 5 Warning decal 6 Choke 7 Stop switch 8 Start throttle lock 9 Throttle lockout...

  • Page 5: Safety Instructions

    Do not use the power cutter if the idle speed is not adjusted correctly! • Let your Husqvarna dealer regularly check the power cutter and make essential adjustments and repairs. WARNING! Under no circumstances may the design of the machine be modified without the permission of the manufacturer.

  • Page 6: General Safety Precautions

    SAFETY INSTRUCTIONS General safety precautions WARNING! 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.

  • Page 7: Machine's Safety Equipment

    SAFETY INSTRUCTIONS Fuel safety (Refuelling/Fuel mixture/Storage.) WARNING! Take care when handling fuel. Bear in mind the risk of fire, explosion and inhaling fumes. • Never refuel the machine while the engine is running. • Make sure there is plenty of ventilation when refuelling or mixing fuel (gasoline and 2-stroke oil).

  • Page 8: Checking, Maintaining And Servicing The Machine's Safety Equipment

    SAFETY INSTRUCTIONS CAUTION! Never use a machine that has a faulty muffler. WARNING! The exhaust fumes from the engine are hot and may contain sparks which can start a fire. Never start the machine indoors or near combustible material! IMPORTANT! For mufflers it is very important that you follow the instructions on checking, maintaining and servicing your machine.

  • Page 9: Diamond Blades

    SAFETY INSTRUCTIONS Throttle lockout • Make sure the throttle control is locked at the idle setting when the throttle lockout is released. • Press the throttle lockout and make sure it returns to its original position when you release it. •...

  • Page 10: General Working Instructions

    SAFETY INSTRUCTIONS Blade vibrations The blades can become out of true and vibrate if a too high feed pressure is used. A lower feed pressure can stop the vibration. Otherwise replace the blades. See the instructions under the heading Assembling the blades. The blades shall be intended for the material to be cut.

  • Page 11

    (B). • Follow the same saw cut, but further in the work piece (C), and repeat the work with the crowbar. WARNING! When cutting vertically, always cut from the top of the cut and down. Never cut from the bottom of the cut and up.

  • Page 12

    SAFETY INSTRUCTIONS General rules • Never cut upwards or towards you so that the kickback zone becomes actively cutting. • Always hold the machine in a firm grip with both hands. Hold it so that the thumbs and fingers grip round the handles.

  • Page 13: Assembly

    Assembling the blades Husqvarna blades are especially manufactured and approved for freehand cutting with the K650 Cut-n-Break. The blades have integrated belt pulley halves and are to be changed in pairs. • Loosen the bar nuts, unscrew the clamping screw anticlockwise a few turns and then refit the bar as far as it...

  • Page 14: Fuel Handling

    This gives rise to a high engine temperature, which can result in serious engine damage. Two-stroke oil • For best results and performance use HUSQVARNA two- stroke engine oil, which is specially formulated for our air- cooled two stroke-engines. •...

  • Page 15: Starting And Stopping

    STARTING AND STOPPING Before starting WARNING! Note the following before starting: Do not start the power cutter without the clutch cover fitted. Otherwise the clutch could come loose and cause personal injuries. Always move the machine away from the refuelling area before starting. Ensure that you and the machine have a good working stance and that the blades can rotate freely.

  • Page 16: Maintenance

    Inspecting and adjusting the drive belt • The drive belt is fully enclosed and well-protected from dust, dirt and mechanical damage when cutting. • Check the drive belt adjustment by feeling with your fingers as illustrated. A correctly adjusted drive belt should have about 5 mm of movement.

  • Page 17: Belt Pulley And Clutch

    Belt pulley and clutch Never start the engine when the belt pulley and clutch have been removed. Carburetor Your Husqvarna product has been designed and manufactured to specifications that reduce harmful emissions. Function The carburettor governs the engine speed via the throttle. Air and fuel are mixed in the carburettor.

  • Page 18: Air filter

    A. This filter should be checked weekly and replaced if necessary. In order to obtain a good filtering effect, the filter must be replaced regularly or cleaned and oiled. A special HUSQVARNA oil has been produced for this purpose. •...

  • Page 19: Starter

    Starter WARNING! When the recoil spring is wound up in the starter housing it is under tension and can, if handled carelessly, pop out and cause personal injury. Always be careful when changing the recoil spring or the starter cord. Always wear protective goggles.

  • Page 20: Spark Plug

    Changing a broken recoil spring • Undo the bolt in the centre of the pulley and remove the pulley. • Bear in mind that the return spring lies tensioned in the starter housing. • Loosen the bolts holding the spring cassette. •...

  • Page 21: Cooling System

    Cooling system To keep the working temperature as low as possible the machine is equipped with a cooling system. The cooling system consists of: 1 Air intake on the starter. 2 Air guide plate. 3 Fins on the flywheel. 4 Cooling fins on the cylinder. 5 Cylinder cover (directs cold air over the cylinder).

  • Page 22: Technical Data

    Gear ratio Max. peripheral speed, m/s 9” 48/79 Max. blade speed, rpm 6200 ´®z+SNQ¶5[¨ ´®z+SNQ¶5[¨ 22 – English TECHNICAL DATA K650 Cut-n-break 1,97/50 1,42/36 2500 9750 (+/- 250) Champion RCJ 6Y/ NGK BPMR 7A 0,02/0,5 Tillotson W CAT: 5,7 10,3...

  • Page 23: Federal Emission Control Warranty Statement

    REPAIR OR REPLACEMENT OF PARTS Repair or replacement of any warranted part will be performed at no charge to the owner at an approved Husqvarna Construction Products servicing dealer. If you have any questions regarding your warranty rights and responsibilities, you should contact your nearest authorized servicing dealer or call Husqvarna Construction Products, at 1-800-323 3553.

  • Page 24

    WARNING! Cutting, especially when DRY cutting, generates dust that comes from the material being cut, which frequently contains silica. Silica is a basic component of sand, quartz, brick clay, granite and numerous other minerals and rocks. Exposure to excessive amount of such dust can cause: Respiratory disease (affecting your ability to breath), including chronic bronchitis,...

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K650 cut-n-break

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