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Husqvarna 450 manual

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Table of contents for the manual

  • Page 1

    Operator’s Manual Read these instructions carefully and make sure you understand them befor e using the 450. Manuel d’utilisation V euillez lire attentiv ement ces instructions et assurez-vous de bien les comprendre a vant d’utiliser la machine modèle 450. Manual del operador Lea cuidadosamente estas instrucciones y asegúrese de que las com[...]

  • Page 2

    CONTENTS Content Page T able of contents ………………………….. 2 Unpacking .................................................. 2 T ransporting ............................................... 2 Sound Data ................................................ 2 I ntroduction, personal safety ...................... 3 Registration of the product ?[...]

  • Page 3

    INTRODUCTION Common sense: The focus of this manual is HOW to operate and service the equipment safely . It is not possible to cover every conceivable situation you can face when using this equipment. Therefore use this product only in a manner described in this manual. Operation or handling the machine in any other manner can lead to serious injur[...]

  • Page 4

    4 REGISTER THE PRODUCT Please register your new 450 with Husqvarna Construction Products by mailing in the registration card that came with the machine or you can register on the internet site www .husqvarnawarranty .com Registration will allow us to contact in case of any critical updates or recalls on this machine. W arranty registration has also[...]

  • Page 5

    5 SAFETY W ARNINGS W ARNING Failure to comply with the following warnings could result in serious bodily injury or death! PERSONAL SAFETY • Read and understand instructions before operating saw . • Always wear safety approved hearing, eye, head and respiratory protection. • Wear boots with non-slip soles to provide proper footing. Steel-toed [...]

  • Page 6

    6 EXCEL SERIES BLADES The Excel Series of diamond blades have been designed specically for the Soff-Cut Ultra Early Entry dry cutting system of green concrete. These specialty blades are designed to increase speed and life while cutting a wide range of aggregates. Choose the correct specication of diamond blade for your area as follows: Purpl[...]

  • Page 7

    WHA T IS WHA T B F What is what? A. Oil ll & dipstick B. Air cleaner C. Fuel shut of f lever D. Fuel tank E. Oil drain hose F . Engine choke G. Hour meter/T achometer H. Hood I. Engine on/off switch J. Front guide K. Rear guide L. Recoil starter M. Handle locking knob N. Engine throttle control O. Guide arm lever P . Blade depth release leve[...]

  • Page 8

    8 OPERA TING INSTRUCTIONS Experience is very important when running the 450 saw . A skilled worker is highly recommended. Always do an inspec- tion of the saw before starting the engine. Open the hood (H) and check the fuel (D) and oil level (A) per the enclosed engine manual. SAE 10W/30 oil and unleaded gasoline with an 87 or higher octane should [...]

  • Page 9

    9 FUEL HANDLING PROPER FUEL T aking the following precautions will lessen the risk of injury and property damage: - Use extreme care in handling gasoline. It is extremely ammable and the vapors are explosive. - Extinguish all cigarettes, cigars, pipes, and other sources of ignition. - Use only approved gasoline containers. - Never remove gas cap[...]

  • Page 10

    10 Engine Oil Checking, Adding and Changing Oil Check the engine oil level (B) daily with saw fully lowered and the engine level. See the enclosed Robin manual for more details. Use SAE 10W-30 viscosity detergent automotive type with API service class SE or higher grade oil. Note: Engine holds approximately 0.6 quart (0.6 liter) when changing. Chan[...]

  • Page 11

    11 As concrete hydrates or cures and begins to set, it develops internal stresses which may cause random cracks. Random cracks cast doubt on the quality and workmanship of the concrete. Contraction joints are cut in concrete to relieve these stresses before they seek their own relief in the form of random crack. The Sof f-Cut Ultra Early Entry syst[...]

  • Page 12

    12 “ The timing of concrete operations - especially nishing and jointing - is critical” , states a quote from the foreword of the American Concrete Institute (ACI) 302.1 R-96. It goes on to say that “Failure to address this issue can contribute to unde- sirable characteristics in the wearing surface as cracking...” (It mentions other pro[...]

  • Page 13

    13 TROUBLESHOOTING ENGINE RUNS ROUGH, BACK FIRES OR CAN NOT REACH FULL SPEED - Check if there is fuel in the tank and it is the correct fuel. Make sure there is no water in the fuel. - Check that the spark plugs are clean and properly gapped. - Check that choke is in the “off” position after engine is warm. - Check that air lter is not dirty[...]

  • Page 14

    14 TECHNICAL SPECIFICA TIONS Weight and Dimensions 450 Weight – dry 132 lbs 60 kg Weight with gasoline and oil full 139 lbs 63 kg Length 34 inch 864 mm Width 19 inch 483 mm Height 21 inch 533 mm Blade Material cut Green concrete only Blade type 8.0” (203 mm) dry cut with tri-arbor Blade rotation Counter clockwise, upcutting Blade shaft speed 33[...]

  • Page 15

    15 W ARRANTY HUSQV ARNA EQUIPMENT W ARRANTY New 450 sold by Husqvarna Construction Products are warranted to be free from manufacturing defects in normal service for a period of six (6) months for labor and up to one (1) year on parts from date of purchase by the original consumer purchaser or date of introduction into rental company eet. Our ob[...]

  • Page 16

    2009-13 505 41 78-08 Print ed In U.S.A.[...]