Husqvarna K650 manuale d’uso

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 K650 Cut-n-Br eak Oper ator’ s manual (EP A) Please read the operator’ s manual carefully and mak e sure you understand the instructions before using the machine.[...]

2 – English KEY T O SYMBOLS Symbols on the machine: W ARNING! The machine can be a dangerous tool if used incorrectly or carelessly , which can cause serious or f atal injur y to the operator or others. Please read the operator’ s manual carefully and make sure y ou understand the instructions before using the machine . Alwa ys wear : • Prote[...]

English – 3 CONTENTS Contents KEY T O SYMBOLS Symbols on the machine: ............................................. 2 Symbols in the operator’ s manual: ............................... 2 CONTENTS Contents ...................................................................... 3 WHA T IS WHA T? What is what on the power cutter? ..................[...]

4 – English WHA T IS WHA T? What is what on the power cutter? HUSQVARNA CONSTRUCTION PRODUCTS 1 Operator’ s manual (EP A) 2 Combination spanner 3 Air filter cov er 4 F ront handle and water tap 5 W ar ning decal 6 Choke 7 Stop s witch 8 Star t throttle lock 9 Throttle lock out 10 T ype plate 11 Cylinder cov er 12 Star ter handle 13 Star ter 14[...]

English – 5 SAFETY INSTR UCTIONS Steps before using a ne w power cutter • Please read the operator’ s manual carefully and make sure you understand the instructions bef ore using the machine. • The machine is only designed f or cutting hard materials, such as concrete, brick, masonry as well as cast iron and cement pipes. • Check the asse[...]

6 – English SAFETY INSTR UCTIONS General safety precautions W ork area safety • K eep wor k area clean and well lit. Cluttered or dark areas invite accidents . • Ne ver use the machine indoors . Be aw are of the dangers of inhaling the engine’ s exhaust fumes. • Do not use the machine in bad weather , such as dense f og, rain, strong wind[...]

English – 7 SAFETY INSTR UCTIONS Fuel safety (Refuelling/Fuel mixture/Stora ge.) • Ne ver refuel the machine while the engine is running. • Make sure there is plenty of v entilation when refuelling or mixing fuel (gasoline and 2-stroke oil). • Mov e the machine at least 10 ft (3 m) from the refuelling point bef ore star ting it. • Ne ver [...]

8 – English SAFETY INSTR UCTIONS CA UTION! Nev er use a machine that has a f aulty muffler . Throttle loc kout The throttle trigger lock is designed to pre v ent accidental operation of the throttle. When the loc k (A) is pressed in this releases the throttle (B). The trigger lock remains pressed in as long as the throttle is pressed. When the g[...]

English – 9 SAFETY INSTR UCTIONS Throttle loc kout • Make sure the throttle control is loc ked at the idle setting when the throttle lock out is released. • Press the throttle lock out and make sure it retur ns to its original position when you release it. • Check that the throttle control and throttle loc kout mov e freely and that the ret[...]

10 – English SAFETY INSTR UCTIONS Blade vibrations The blades can become out of true and vibrate if a too high f eed pressure is used. A lower f eed pressure can stop the vibration. Otherwise replace the blades . See the instructions under the heading Assembling the b lades. The blades shall be intended f or the mater ial to be cut. Material Diam[...]

English – 11 SAFETY INSTR UCTIONS • Cut in the same direction when cutting into an e xisting cut. A void cutting at an angle to the previous cut otherwise there is a risk of the blade jamming or that the machine can ”climb in the cut”. • Alwa ys cut from top to bottom (A). Remov e the cutter and use a crowbar to remo ve the material that [...]

12 – English SAFETY INSTR UCTIONS General rules • Ne ver cut upw ards or tow ards you so that the kic kback zone becomes activ ely cutting. • Alwa ys hold the machine in a fir m grip with both hands. Hold it so that the thumbs and fingers grip round the handles. • K eep a good balance and a fir m foothold. • When cutting vertically , a[...]

English – 13 ASSEMBL Y Assembling the blades Husqv arna blades are especially man ufactured and appro ved f or freehand cutting with the K650 Cut-n-Break. The blades hav e integrated belt pulley halv es and are to be changed in pairs. • Loosen the bar nuts, unscre w the clamping screw anticlockwise a f ew turns and then refit the bar as far as[...]

14 – English FUEL HANDLING Fuel CA UTION! The machine is equipped with a two-strok e engine and must alwa ys been run using a mixture of gasoline and two-strok e engine oil. It is impor tant to accurately measure the amount of oil to be mix ed to ensure that the correct mixture is obtained. When mixing small amounts of fuel, e ven small inaccurac[...]

English – 15 ST ARTING AND ST OPPING Bef ore star ting W ater connector Connect the water hose to the w ater supply . The water flo w is regulated using the water tap . Starting a cold engine Decompression v alve: Press in the v alve to reduce the pressure in the cylinder , this is to assist star ting the power cutter . The decompression v alve [...]

16 – English MAINTENANCE Inspecting and adjusting the drive belt • The drive belt is fully enclosed and well-protected from dust, dir t and mechanical damage when cutting. • Check the driv e belt adjustment by f eeling with your fingers as illustrated. A correctly adjusted drive belt should hav e about 5 mm of movement. • T o adjust the dr[...]

English – 17 MAINTENANCE • Pull off the cutting arm by pulling it straight f orwards , as illustrated. • Remov e the complete dr ive belt (D). • Loosen the six screws (F) holding the guards on the cutting arm. • Fit the new driv e belt (K). • Refit the guards and belt cov er. • The bar (M) must be positioned on plate (L) so that the [...]

18 – English MAINTENANCE Air filter Air filters must be regularly cleaned to remov e dust and dir t in order to av oid: • Carburettor malfunctions • Star ting problems • Less power • Unnecessar y wear to engine parts • Excessive fuel consumption. The air filter system consists of an oiled f oam plastic filter (1) and a paper filter[...]

English – 19 MAINTENANCE Star ter Changing a br oken or worn starter cord • Loosen the filter and cylinder cov er. • Loosen the screws that hold the starter against the crankcase and remov e the star ter. • Pull out the cord appro x. 30 cm (12 inches) and hook it into the notch in the rim of the pulley . Release the recoil spring by lettin[...]

20 – English MAINTENANCE Changing a br oken recoil spring • Undo the bolt in the centre of the pulley and remo ve the pulley . • Bear in mind that the return spr ing lies tensioned in the star ter housing. • Loosen the bolts holding the spring cassette. • Remov e the recoil spr ing by turning the star ter over and loosen the hooks, with t[...]

English – 21 MAINTENANCE Cooling system T o keep the working temperature as low as possib le 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 cov er (directs cold air over the cylinder). Clean the co[...]

22 – English TECHNICAL D A T A ´®z+SNQ¶5[¨ ´®z+SNQ¶5[¨ T echnical data Cutting equipment Max. blade speed, rpm 6200 K650 Cut-n-break Engine Cylinder displacement, cu.in/cm 3 71 Cylinder bore, inch/mm 1,97/50 Stroke , inch/mm 1,42/36 Idle speed, r pm 2500 Recommended max. speed, r pm 9750 (+/- 250) Po w e r, k W 3,5 Ignition system Manuf a[...]

English – 23 FEDERAL EMISSION CONTR OL W ARRANTY ST A TEMENT Y OUR W ARRANTY RIGHTS AND OBLIGA TIONS The EP A (The US Environmental Protection Agency), Environment Canada and Husqv ar na Constr uction Products are pleased to e xplain the emissions control system warranty on your 2001 and later small nonroad engine . In U .S. and Canada, new small[...]

´®z+SNQ¶5[¨ 2009-01-10 ´®z+SNQ¶5[¨ 1151464-95 ! W ARNING! Cutting, especially when DR Y cutting, generates dust that comes from the material being cut, which frequentl y contains silica. Silica is a basic component of sand, quar tz, brick cla y , granite and numer ous other minerals and r ocks. Exposure to e xcessive amount of suc h dust ca[...]