Husqvarna Cut-n-Break K 760 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 K 760 Oper ator’ s manual Please read the operator’ s manual car efully and make sur e you understand the instructions bef ore using the machine. It is the owner’ s responsibility to mak e sure that an y person who use this pow er cutter hav e read this manual![...]

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 . W ear personal protectiv[...]

English – 3 CONTENTS Contents KEY T O SYMBOLS Symbols on the machine: ............................................. 2 Explanation of warning lev els ...................................... 2 CONTENTS Contents ...................................................................... 3 PRESENT A TION Dear customer! .....................................[...]

4 – English PRESENT A TION Dear customer! Thank you f or choosing a Husqvarna product! It is our wish that you will be satisfied with y our product and that it will be your companion f or a long time. A purchase of one of our products gives y ou access to professional help with repairs and ser vices. If the retailer who sells your machine is not[...]

English – 5 PRESENT A TION What is what on the power cutter - K 760? 1 F ront handle 2 W ater tap 3 W ar ning decal 4 Air filter cov er 5 Cylinder cov er 6 Choke 7 Throttle lock out 8 Throttle control 9 Star t throttle lock 10 Stop s witch 11 Disconnection function f or OilGuard (K760 OilGuard) 12 Star ter handle 13 Star ter 14 Muffler 15 Adjus[...]

6 – English MA CHINE´S SAFETY EQUIPMENT General This section describes the machine ′ s safety equipment, its pur pose, and ho w checks and maintenance should be carried out to ensure that it operates correctly . Throttle loc kout The throttle trigger lock is designed to pre vent accidental operation of the throttle. When the loc k (A) is press[...]

English – 7 MA CHINE´S SAFETY EQUIPMENT Vibration damping system • Y our machine is equipped with a vibration damping system that is designed to reduce vibration and mak e operation easier . • The machine ′ s vibration damping system reduces the transf er of vibration between the engine unit/cutting equipment and the machine ′ s handle u[...]

8 – English CUTTING BLADES General • Cutting blades are av ailable in two basic designs; abrasiv e baldes and diamond blades . • High-quality blades are often most economical. Lower quality blades often ha ve inferior cutting capacity and a shor ter ser vice lif e, which results in a higher cost in relation to the quantity of material that is[...]

English – 9 CUTTING BLADES Abrasive blades f or different materials Diamond blades General • Diamond blades consist of a steel core provided with segments that contain industrial diamonds. • Diamond blades ensure lower costs per cutting oper ation, f e wer b lade changes and a constant cutting depth. • When using diamond blades make sure th[...]

10 – English ASSEMBLING AND ADJUSTMENTS General Checking the drive shaft and flange washers When the blade is replaced with a ne w one, chec k the flange washers and the drive shaft. • Check that the threads on the drive shaft are undamaged. • Check that the contact surf aces on the blade and the flange w ashers are undamaged, of the corre[...]

English – 11 FUEL HANDLING General Fuel Gasoline • Use good quality unleaded gasoline. • The lowest recommended octane grade is 87 ((RON+MON)/2). If you run the engine on a lower octane grade than 87 so-called knoc king can occur. This gives rise to a high engine temperature and increased bearing load, which can result in serious engine damag[...]

12 – English FUEL HANDLING Fueling Ne ver start the machine: • If you hav e spilled fuel or chain oil on the machine. Wipe off the spillage and allow remaining fuel to e vaporate. • If you hav e spilled fuel on yourself or your clothes , change your clothes . W ash any part of your body that has come in contact with fuel. Use soap and water .[...]

English – 13 OPERA TING Protective equipment General • Do not use the machine unless you are ab le to call for help in the e vent of an accident. P ersonal protective equipment Y ou must use appro ved personal protectiv e equipment whene ver y ou use the machine. Personal protectiv e equipment cannot eliminate the risk of injur y but it will re[...]

14 – English OPERA TING W ork area safety • Obser ve y our surroundings to ensure that nothing can aff ect your control of the machine. • Ensure that no one/nothing can come into contact with the cutting equipment or be hit by par ts if the blade breaks. • Do not use the machine in bad weather , such as dense f og, hea vy rain, strong wind,[...]

English – 15 OPERA TING Kickbac k Kickbac k is the sudden upward motion that can occur if the blade is pinched or stalled in the kic kback zone. Most kickbac ks are small and pose little danger. Howe ver a kickbac k can also be ver y violent and throw the po w er cutter up and back to wards the user in a rotating motion causing serious or ev en f[...]

16 – English ST ARTING AND ST OPPING Before starting • P erform daily maintenance. See instr uctions in the section "Maintenance". Star ting • Decompression valve: Press in the valve to reduce the pressure in the cylinder , this is to assist star ting the power cutter . The decompression v alve should alwa ys be used when star ting.[...]

English – 17 ST ARTING AND ST OPPING • With a cold engine: The machine stops when the engine fires becase the chokel control is pulled out. Press the choke control and the decompression v alve. Pull the star ter handle until the engine star ts. • When the engine star ts, quickly apply full throttle to automatically disengage f ast idle. Stop[...]

18 – English MAINTENANCE General • Let your Husqvarna dealer regularly check the machine and make essential adjustments and repairs . Maintenance schedule In the maintenance schedule you can see which parts of your machine that require maintenance, and with which intervals it should take place . The inter vals are calculated based on daily use [...]

English – 19 MAINTENANCE Cleaning External cleaning • Clean the machine daily by rinsing it with clean water after the work is finished. Cooling air intake • Clean the cooling air intake when needed. Spark plug • If the machine is low on power , difficult to star t or runs poorly at idle speed: alwa ys check the spark plug first bef ore [...]

20 – English MAINTENANCE Replacing the drive belt • First release the two bolts and then the adjuster scre w to release the belt tension. • Now unscrew the bolts and dismantle the belt guard. • Remove the belt from the belt pulle y . • The cutting head is now loose and can be remov ed from the machine . Remove the rear belt guard b y rele[...]

English – 21 MAINTENANCE Starter Changing a broken or w orn star ter cord • Loosen the screws that hold the star ter against the crankcase and remov e the star ter . • Pull the cord out about 30 cm and lift it into the cut-out in the peripher y of the star ter pulley . When the cord is intact: Release the spring tension by letting the pulley [...]

22 – English MAINTENANCE Fitting the starter • T o fit the star ter , first pull out the star ter cord and place the star ter in position against the crankcase. Then slowly release the star ter cord so that the pulley engages with the pawls . • Tighten the screws. Fuel system General • Check that the fuel cap and its seal are not damaged.[...]

English – 23 TECHNICAL D A T A T echnical data Cutting equipment Motor K760 Cylinder displacement, cm 3 /in 3 74/4,5 Cylinder bore, mm/inch 51/2 Stroke , mm/inch 36/1,4 Idle speed, r pm 2700 Recommended max. speed, r pm 9300 (+/- 150) P ower , kW/ r pm 3,7/9000 Ignition system Manuf acturer of ignition system SEM T ype of ignition system CD Spark[...]

24 – English 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 Construction Products are pleased to e xplain the emissions control system warranty on your 2009 and later small nonroad engine . In U .S. and Canada, new small [...]

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´®z+UC[¶5h¨ 2009-12-29 ´®z+UC[¶5h¨ 1153355-95 ! 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 excessive amount of suc h dust can[...]