Husqvarna PG 680 Operator's Manual

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CONTENTSEnglish – 3Contents Note the following beforestarting:KEY TO SYMBOLSSymbols on the machine ...................................... 2Explanation of warning levels ............................... 2CONTENTSContents ............................................................... 3PRESENTATIONDear customer! ..................................................... 4Design and features ............................................. 4PRESENTATIONWhat is what on the grinder? ................................ 6MACHINE´S SAFETY EQUIPMENTGeneral ................................................................. 7Power button ......................................................... 7Stop/run switch ..................................................... 7Emergency stop ................................................... 8Reset button ......................................................... 8ASSEMBLING AND ADJUSTMENTSGeneral ................................................................. 9Changing/fitting the diamonds .............................. 9Handle height ....................................................... 10Connect the machine ........................................... 10GRINDING GUIDEGrinding heads ..................................................... 11Diamond segments .............................................. 11Full and half sets of diamonds .............................. 12Determining the hardness of concrete ................. 13Diamond selection ................................................ 14OPERATINGProtective equipment ............................................ 15General safety precautions ................................... 15Speed and direction of rotation ............................ 17Basic working techniques ..................................... 20Variable speed drives/frequency converters ......... 20STARTING AND STOPPINGBefore starting ...................................................... 22Starting ................................................................. 22Stopping ............................................................... 23MAINTENANCEGeneral ................................................................. 24Maintenance schedule ......................................... 24Maintenance check list ......................................... 24Cleaning ............................................................... 25Functional inspection ............................................ 25Faults and trouble shooting .................................. 27TECHNICAL DATATechnical data ...................................................... 31! WARNING! Cutting, especially when DRYcutting, generates dust that comes fromthe material being cut, which frequentlycontains silica. Silica is a basiccomponent of sand, quartz, brick clay,granite and numerous other mineralsand rocks. Exposure to excessiveamount of such dust can cause:Respiratory disease (affecting yourability to breath), including chronicbronchitis, silicosis and pulmonaryfibrosis from exposure to silica. Thesediseases may be fatal;Skin irritation and rash.Cancer according to NTP* and IARC* */National Toxicology Program,International Agency for Research onCancerTake precautionary steps:Avoid inhalation of and skin contact withdust, mist and fumes.Wear and ensure that all bystanders wearappropriate respiratory protection suchas dust masks designed to filter outmicroscopic particles. (See OSHA 29CFR Part 1910.1200)Wet cut when feasible, to minimize dust.