Husqvarna K750 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 K750 Oper ator’ s manual (EP A) Please r ead the operator’ s manual carefully and mak e sure y ou understand the instructions before using the machine.[...]

2 – English KEY T O SYMBOLS K ey to symbols 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: • Protective hel[...]

English – 3 CONTENTS Contents KEY T O SYMBOLS K ey to symbols ............................................................. 2 CONTENTS Contents ...................................................................... 3 WHA T IS WHA T? What is what on the po wer cutter? ............................... 4 SAFETY INSTR UCTIONS Steps bef ore using a new[...]

4 – English WHA T IS WHA T? What is what on the po wer cutter? 14 8 6 7 26 13 12 1 5 25 2 23 10 9 17 16 18 21 22 27 24 15 20 3 4 19 11 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 ([...]

English – 5 SAFETY INSTR UCTIONS Steps bef ore using a ne w power cutter • Please read the operator’ s manual carefully . • Check the cutting b lade’ s mounting, see the chapter ”Assembly”. • Star t the engine and check the idling setting, see instructions under the heading Maintenance. When the carburettor is set correctly the cutt[...]

6 – English SAFETY INSTR UCTIONS • Heavy-duty , firm gr ip glo ves. • Tight-fitting, heavy-duty and comf or tab le clothing that permits full freedom of movement. • Use leg-guards recommended f or the mater ial to be cut. • Boots with steel toe-caps and non-slip sole • Alwa ys hav e a first aid kit nearby . Mac hine ′ s safety equi[...]

English – 7 SAFETY INSTR UCTIONS positions . This is controlled by two independent return spr ing systems. This means that the throttle trigger is automatically lock ed in the idle position. Guar d for the b lade This guard is fi tted abov e the cutting blade and is designed to pre vent par ts of the b lade or cutting fragments from being thrown[...]

8 – English SAFETY INSTR UCTIONS Chec king the blade guard Check that the guard is complete and without an y cracks or def or mations. General safety precautions • A power cutter is designed to cut hard materials, such as masonr y . Observe the increased risk of kickbac k when cutting soft materials. See instructions under the heading How to a [...]

English – 9 SAFETY INSTR UCTIONS General w orking instructions Basic safety rules • Look around you: - T o ensure that people, animals or other things cannot aff ect your control of the machine . - T o make sure that none of the abo ve come into contact with the cutting blade . • Do not use the machine in bad weather , such as dense f og, rai[...]

10 – English SAFETY INSTR UCTIONS • Mov e the blade slo wly forw ards and backwards to achie v e a small contact area between the b lade and the mater ial to be cut. This reduces the temperature of the blade and ensures eff ective cutting. • F eed down the machine in line with the blade . Pressure from the side can damage the blade and is v e[...]

English – 11 SAFETY INSTR UCTIONS Pinching/r otation If the cut is pressed together this can lead to jamming. The machine can be pulled down suddenly with a v er y pow erful jerk. How to a void pinc hing Suppor t the work piece in such a wa y that the cut remains open during the cutting operation and when the cut is finished. Cutting blades Gene[...]

12 – English SAFETY INSTR UCTIONS Ensure the blade it not cr acked or damaged in an y other wa y . T est the abrasiv e disc by hanging it on y our finger and tapping it lightly with a screwdriv er or the like. If the disc does not produce a resonant, ringing sound it is damaged. Diamond blades Diamond blades consist of a steel body pro vided wit[...]

English – 13 ASSEMBL Y Chec king the drive axle and flange washers Check that the threads on the driv e shaft are undamaged. Check that the contact surf aces on the blade and the flange washers are undamaged, of the correct dimension, clean, and that they run properly on the drive axle. Do not use warped, notched, indented or dir ty flange was[...]

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 FUEL HANDLING Disconnection function f or OilGuard Machines fitted with OilGuard hav e a built-in system f or identifying incorrect fuel mixtures. Once the machine is running, a detector reads the fuel quality which takes about ten seconds. If the correct amount of Husqvarna OilGuard oil has been used, the machine will run at a nor [...]

16 – English ST AR TING AND ST OPPING Starting and stopping Starting a cold engine Ignition: Slide the ignition s witch to the left. Choke: Pull the choke control fully out. Start throttle lock: Press in the throttle trigger lock, throttle control and then the star t throttle lock (A). Release the throttle control and it is lock ed in the half th[...]

English – 17 MAINTENANCE T ensioning the drive belt • When the machine is equipped with a friction retarder , a scraping sound can be heard from the bearing housing when the blade is turned by hand. This is quite nor mal. Please contact an accredited Husqvarna workshop if you hav e any questions . • The drive belt is fully enclosed and well p[...]

18 – English MAINTENANCE Adjusting the idle speed Adjust the idle speed using the T scre w . When an adjustment is necessar y , first tur n the scre w clockwise until the b lade star ts to rotate. Now turn the screw anti-clockwise until the blade stops rotating. Rec. idle speed: 2700 r pm Fuel filter • The fuel filter sits inside the fuel ta[...]

English – 19 MAINTENANCE Starter Changing a br oken or worn starter cord • Loosen the screws that hold the starter 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 ro[...]

20 – English MAINTENANCE • Remov e the recoil spring by turning the star ter over and loosen the hooks, with the help of a scre wdriver . The hooks hold the return spr ing assembly on the starter . • Lubricate the recoil spr ing with light oil. Fit the pulley and tension the recoil spring. Fitting the starter • T o fit the star ter , firs[...]

English – 21 MAINTENANCE General maintenance instructions Below y ou will find some general maintenance instructions. If you hav e more questions, contact y our ser vice agent. Daily maintenance 1 Check that the components of the throttle control w or k smoothly (throttle control and throttle trigger lock). 2 Check the tension of the driv e belt[...]

22 – English TECHNICAL D A T A ´®z+Rz)¶5C¨ ´®z+Rz)¶5C¨ T echnical data Cutting equipment Engine K750 Cylinder displacement, cu.in/cm 3 74 Cylinder bore, inch/mm 2,0/51 Stroke , inch/mm 1,42/36 Idle speed, r pm 2700 Recommended max. speed, rpm 9300 (+/- 150) P ow er , kW/ r pm 3,7/9000 Ignition system Manuf acturer of ignition system SEM T[...]

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 arna 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+Rz)¶5C¨ 2007-06-20 ´®z+Rz)¶5C¨ 1150900-95 .[...]