Husqvarna 426EX Operator'S Manual Download Page 1

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426Ex

Oper

ator’s manual

Please r

ead the operator’s manual carefully and make sure you understand the instructions

before using the machine.

H1153175-95,426Ex,US.fm Page 1 Monday, November 30, 2009 11:20 AM

Summary of Contents for 426EX

Page 1: ...E E E En n n ng g g gl l l li i i is s s sh h h h 426Ex Operator s manual Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...opped stop the blade from rotating by letting the blade come in contact with the ground The operator of the machine must ensure while working that no persons or animals come closer than 15 metres Arrows which show limits for handle positioning Always wear approved protective gloves Wear sturdy non slip boots Other symbols decals on the machine refer to special certification requirements for certai...

Page 3: ...ing techniques 16 MAINTENANCE Carburetor 17 Muffler 17 Cooling system 17 Spark plug 18 Fuel filter 18 Air filter 18 Angle gear 18 Adjusting the edger s cutting depth 19 Maintenance schedule 20 TECHNICAL DATA Technical data 21 FEDERAL AND CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS 22 WARNING Long term exposure to noise can result in permanent hearing impair...

Page 4: ... and market high quality motor driven products for forestry and gardening as well as for building and construction industry Your purchase gives you access to professional help with repairs and service whenever this may be necessary If the retailer who sells your machine is not one of our authorized dealers ask for the address of your nearest servicing dealer It is our wish that you will be satisfi...

Page 5: ...gear 4 Blade guard 5 Shaft 6 Loop handle 7 Stop switch 8 Throttle lockout 9 Throttle control 10 Spark plug cap and spark plug 11 Cylinder cover 12 Starter handle 13 Fuel tank 14 Air purge 15 Choke control 16 Air filter cover 17 Combination spanner 18 Locking pin 19 Operator s manual 20 Locking nut 21 Support flange 22 Drive disc ...

Page 6: ...cialists See instructions under the heading Maintenance All covers guards and handles must be fitted before starting Ensure that the spark plug cap and ignition lead are undamaged to avoid the risk of electric shock The operator of the machine must ensure while working that no persons or animals come closer than 15 metres WARNING This machine produces an electromagnetic field during operation This...

Page 7: ...he idle setting 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 Check that the throttle control and throttle lockout move freely and that the return springs work properly See instructions under the heading Start Start the machine and apply full throttl...

Page 8: ...ine is fitted with this kind of screen 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 Regularly check that the muffler is securely attached to the machine If the muffler on your machine is fitted with a spark arrestor screen this must be cleaned regularly A blocked screen will cause...

Page 9: ... damaged cutting attachment should always be replaced A non balanced blade induces heavy vibrations that may damage the machine WARNING Always stop the engine before you work on any part of the cutting equipment This continues to move even after the throttle is released Check that the cutting equipment has stopped completely and remove the HT lead from the spark plug before you start any work on i...

Page 10: ... Block the blade rotation by inserting the locking pin E in the hole behind the blade guard engaging it in the corresponding hole in the drive disc 3 Fit the blade B on the drive disc 4 Fit the support flange C The support flange must be fitted with its outer edge hard up against the blade 5 Fit the locking nut D CAUTION The locking nut has a left hand thread Tighten the locking nut to a torque of...

Page 11: ...en small inaccuracies can drastically affect the ratio of the mixture Gasoline CAUTION Always use a quality gasoline oil mixture with an octane rating of at least 87 octane RON MON 2 If your machine is equipped with a catalytic converter see chapter on Technical data always use a good quality unleaded gasoline oil mixture Leaded gasoline will destroy the catalytic converter Use low emission gasoli...

Page 12: ...ank should be emptied and cleaned Fueling Clean the area around the fuel cap Contamination in the tank can cause operating problems Ensure that the fuel is well mixed by shaking the container before filling the tank 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 an...

Page 13: ...the starter handle slowly pull out the cord with your right hand until you feel some resistance the starter pawls grip now quickly and powerfully pull the cord Never wrap the starter cord around your hand Reset the choke when the engine fires repeat pulling the cord until the engine starts CAUTION Do not pull the starter cord all the way out and do not let go of the starter handle when the cord is...

Page 14: ...STARTING AND STOPPING 14 English Stopping The engine is switched off by moving the stop switch to the stop position S T O P R U N ...

Page 15: ...modified outside its specifications Only use the machine for the purpose it was intended for Basic safety rules 1 Look around you To ensure that people animals or other things cannot affect your control of the machine To ensure that people animals etc do not come into contact with the cutting attachment or loose objects that are thrown out by the cutting attachment CAUTION Do not use the machine u...

Page 16: ...ct the HT lead from the spark plug Check that the machine is not damaged Repair any damage Safety instructions after completing work Make sure the cutting attachment has stopped before cleaning carrying out repairs or an inspection Disconnect the HT lead from the spark plug Always wear heavy duty gloves when repairing the cutting attachment This is extremely sharp and can easily cause cuts Store t...

Page 17: ...you should clean the screen at least once a week This is best done with a wire brush On mufflers without a catalytic converter the screen should be cleaned weekly or replaced if necessary On mufflers fitted with a catalytic converter the screen should be checked and if necessary cleaned monthly If the screen is damaged it should be replaced If the screen is frequently blocked this can be a sign th...

Page 18: ...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 Air filter 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 reg...

Page 19: ...the desired cutting depth Tighten the wing nut CAUTION Use only HUSQVARNA replacement parts Use of other brands of replacement parts can cause damage to your unit or injury to the operator or others Your warranty does not cover damage or liability caused by the use of accessories and or attachments not specifically recommended by HUSQVARNA ...

Page 20: ...tarter and starter cord X Check that the vibration damping elements are not damaged X Clean the outside of the spark plug Remove it and check the electrode gap Adjust the gap to 0 5 mm 20 or replace the spark plug Check that the spark plug is fitted with a suppressor X Clean the machine s cooling system X Clean or replace the spark arrestor screen on the muffler only applies to mufflers without a ...

Page 21: ...put shaft rpm 9200 Max engine output acc to ISO 8893 kW rpm 0 87 7500 Catalytic converter muffler No Speed regulated ignition system No Ignition system Spark plug NGK CMR7H Electrode gap inch mm 0 024 0 028 0 6 0 7 Fuel and lubrication system Fuel tank capacity US pint litre 1 37 0 65 Weight Weight without fuel Lbs kg 14 6 6 6 Cutting equipment Blade 503 84 82 02 531 03 04 35 Z636715110 Blade guar...

Page 22: ...w usa husqvarna com WARRANTY COMMENCEMENT DATE The warranty period begins on the date the engine or equipment is delivered to an ultimate purchaser LENGTH OF COVERAGE Husqvarna Forest Garden warrants to the ultimate purchaser and each subsequent owner that the engine or equipment is designed built and equipped so as to conform with all applicable regulations adopted by EPA and CARB and is free fro...

Page 23: ...warrant failures of warranted parts caused by the use of a non exempted add on or modified part HOW TO FILE A CLAIM If you have any questions regarding your warranty rights and responsibilities you should contact your nearest authorized servicing dealer or call Husqvarna Forest Garden at 1 800 487 5951 or visit www usa husqvarna com WHERE TO GET WARRANTY SERVICE Warranty services or repairs are pr...

Page 24: ...1153175 95 z U1 5u z U1 5u 2009 11 30 ...

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