Husqvarna 353 EPA I 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 346XP EP A II 353 EP A I Oper ator’ s manual (EP A) Please read the operator’ s man ual carefully and mak e sure you understand the instructions before using the machine.[...]

2 – English KEY T O SYMBOLS Ke y to symbols W ARNING! Chain saws can be dangerous! Careless or incorrect use can result in serious or fatal injury 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 : • Approv ed protective helmet • Ap[...]

English – 3 CONTENTS Contents KEY T O SYMBOLS K ey to symbols .............................................................. 2 CONTENTS Contents ....................................................................... 3 Bef ore using a new chain sa w ...................................... 4 SAFETY INSTRUCTIONS P ersonal protective equipment ......[...]

4 – English CONTENTS Bef ore using a new c hain saw • Please read the operator’ s manual carefully . • Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly . • Refuel, star t the chain saw and chec k the carburettor settings. See the instr uctions under the headings Fuel Handling,[...]

English – 5 SAFETY INSTR UCTIONS P ersonal pr otective equipment • Protective helmet • Hearing protection • Protective goggles or a visor • Glov es with saw protection • Protective trousers with sa w protection • Boots with saw protection, steel toe-cap and non-slip sole Generally clothes should be close-fitting without restricting y[...]

6 – English SAFETY INSTR UCTIONS Chain brake and front hand guar d Y our chain saw is equipped with a chain br ake that is designed to stop the chain immediately if you get a kic kback. The chain brak e reduces the risk of accidents, but only y ou can pre vent them. T ake care when using your sa w and make sure the kickbac k zone of the bar ne ve[...]

English – 7 SAFETY INSTR UCTIONS it cannot aff ect the mov ement of the front hand guard, the chain brak e can only be activated b y the iner tia of the counterweight. • The iner tia activated chain br ake is a v aluable f eature but there are cer tain f actors to remember (see point abov e). Throttle loc k The throttle lock is designed to pre [...]

8 – English SAFETY INSTR UCTIONS Muffler The muffler is designed to k eep noise le vels to a minim um and to direct e xhaust fumes aw a y from the user . In areas with a hot, dr y climate there is a high risk of fires. These areas are sometimes controlled by legislation and requirements that among other things the muffler must be equipped wit[...]

English – 9 SAFETY INSTR UCTIONS Grasp the chain sa w firmly , wrapping your fingers and thumbs around the handles. Apply full throttle and activate the chain br ake b y tilting your left wrist forw ard onto the front hand guard. Do not let go of the front handle. The chain should stop immediately . Throttle loc k • Make sure the throttle con[...]

10 – English SAFETY INSTR UCTIONS If the muffler on y our machine is fitted with a spark arrestor mesh this must be cleaned regularly . A bloc ked mesh will cause the engine to ov erheat and may lead to serious damage. Never use a m uffler if the spark arrestor mesh is missing or defective. Cutting equipment This section describes how to choos[...]

English – 11 SAFETY INSTR UCTIONS Some terms that describe the bar and chain When the cutting equipment supplied with your sa w becomes worn or damaged you must replace it with one of the bars and chains recommended by us . See the T echnical data section. Bar • Length (inches/cm) • Number of teeth on bar tip sprock et (T). Small number = sma[...]

12 – English SAFETY INSTR UCTIONS 4 Round file diameter 5 File depth It is very difficult to shar pen a chain correctly without the right equipment. W e recommend that you use our file gauge . This will help you obtain the maxim um kickbac k reduction and cutting perf ormance from your chain. See the T echnical data section f or inf ormation a[...]

English – 13 SAFETY INSTR UCTIONS • T o adjust the raker clearance y ou will need a flat file and a rak er gauge. • Place the gauge ov er the raker lip . • Place the file ov er the par t of the lip that protr udes through the gauge and file off the e xcess. The clear ance is correct when you no longer f eel any resistance as you dr aw t[...]

14 – English SAFETY INSTR UCTIONS Checking c hain lubrication • Check the chain lubrication each time you refuel. Aim the tip of the bar at a light coloured surf ace about 20 cm (8 inches) aw a y . After 1 minute running at 3/4 throttle you should see a distinct line of oil on the light surf ace. If the chain lubrication is not working: • Che[...]

English – 15 SAFETY INSTR UCTIONS Bar Check regularly: • Whether there are burrs on the edges of the bar . Remov e these with a file if necessar y . • Whether the groov e in the bar has become badly wor n. Replace the bar if necessar y . • Whether the tip of the bar is une ven or badly w orn. If a hollow f or ms on the underside of the bar[...]

16 – English SAFETY INSTR UCTIONS 3 Most kickbac k accidents happen dur ing limbing. Make sure you are standing firmly and that there is nothing in the wa y that might make you trip or lose your balance . Lack of concentr ation can lead to kickbac k if the kickbac k zone of the bar accidentally touches a branch, nearb y tree or some other object[...]

English – 17 SAFETY INSTR UCTIONS Starting • Ne ver start a chain saw unless the bar , chain and all cov ers are fitted correctly . • The chain brak e should be activated when starting (see section on “Star ting”). Do not drop star t. This method is very dangerous because you ma y lose control of the saw (see section on “Star ting”).[...]

18 – English SAFETY INSTR UCTIONS General w orking instructions Bef ore using a chain saw y ou must understand the eff ects of kickbac k and how to av oid them. See instructions under the heading How to a v oid kickbac k. Bef ore using a chain saw y ou must understand the diff erence between cutting with the top and bottom edges of the bar . See [...]

English – 19 SAFETY INSTR UCTIONS There are five important factors you should consider before making a cut: 1 Make sure the cutting equipment will not jam in the cut. 2 Make sure the object y ou are cutting will not split. 3 Make sure the chain will not strike the g round or any other object during or after cutting. 4 Is there a risk of kickback[...]

20 – English SAFETY INSTR UCTIONS Star t by cutting from abo v e (about 1/3 of the wa y through). Finish by cutting from belo w so that the two cuts meet. Limbing When limbing thick br anches you should use the same approach as f or cutting. Cut difficult branches piece b y piece. T ree felling tec hnique Safe distance The saf e distance between[...]

English – 21 SAFETY INSTR UCTIONS Felling F elling is done using three cuts. First you make the directional cuts, which consist of the top cut and the bottom cut, then y ou finish with the f elling cut. By placing these cuts correctly you can control the f elling direction very accurately . Directional cuts T o make the directional cuts you begi[...]

22 – English SAFETY INSTR UCTIONS Limbing Make sure that y ou can stand and move about saf ely . Work on the left side of the trunk. W or k as close as possib le to the chain saw f or maximum control. If possible, let the w eight of the chain saw rest on the trunk. K eep the tr unk between y ou and the chain saw as y ou mov e along the trunk. Cut[...]

English – 23 WHA T IS WHA T? What is what on the chain sa w? Husqvarna 346XP/353 Husqvarna AB Huskvarna, SWEDEN XXXX XXXXXXX 23 26 25 1 Cylinder cov er 2 F ront handle 3 F ront hand guard 4 Star ter 5 Chain oil tank 6 Star ter handle 7 Adjuster screws , carburettor 8 Choke control/Start throttle lock 9 Rear handle 10 Stop s witch (Ignition on/off[...]

24 – English ASSEMBL Y Fitting the bar and chain Check that the chain br ake is in disengaged position b y moving the front hand guard to wards the front handle . Remov e the bar nuts and remove the clutch co v er (chain brak e). T ake off the transportation r ing (A). Fit the bar ov er the bar bolts. Place the bar in its rear most position. Plac[...]

English – 25 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[...]

26 – English FUEL HANDLING Chain oil • The chain lubrication system is automatic and we recommend the use of special oil (chain oil) with good adhesion characteristics. • In countries where no special chain oil is av ailable , EP90 transmission oil can be used. • Ne ver use w aste oil. This results in damage to the oil pump , the bar and th[...]

English – 27 FUEL HANDLING[...]

28 – English ST AR TING AND ST OPPING Star ting and stopping Cold engine Starting: The chain brak e should be activ ated when star ting the chain saw . Activate the chain brak e by pushing the front hand guard f orwards . Ignition; choke: Set the choke control in the chok e position. This should automatically set the stop s witch to the star t po[...]

English – 29 ST AR TING AND ST OPPING Pull the front hand guard tow ards the front handle. The chain brak e is now disengaged. Y our saw is ready f or use. Stopping Stop the engine by s witching off the ignition.[...]

30 – English MAINTENANCE Carb urettor Y our Husqvarna product has been designed and manuf actured to speci fi cations that reduce har mful emissions. After the engine has used 8-10 tanks of fuel the engine will be run-in. T o ensure that it continues to run at peak perf ormance and to minimise har mful exhaust emissions after the running-in per [...]

English – 31 MAINTENANCE gas at the same time as the machine “ 4-cycles ” much, the setting is too rich. T ur n the high speed needle H until the setting sounds correct. For optimum setting of the carb uretor , contact a quali fi ed servicing dealer who has a rev olution counter at his disposal. Correctly adjusted carb urettor When the carbu[...]

32 – English MAINTENANCE Fitting the starter • To fi t the star ter , fi rst 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 . • Fit and tighten the screws that hold the starter . Air fi lter The air fi lter must be regular[...]

English – 33 MAINTENANCE Consequently , ne ver w ork in an enclosed or badly ventilated area. Good air circulation should alwa ys pre v ail when working in snowy hollo ws, ra vines or in con fi ned conditions. Needle bearing lubrication The clutch drum is fi tted with one of the follo wing drive sprock ets: • A Spur sprock et (the chain sproc[...]

34 – English MAINTENANCE Heated handles (346XPG, 353G) On models with the model code XPG/G both the front handle bar and the rear handle are equipped with electrical heating coils. These are supplied with electricity from a generator b uilt into the chain saw . When the s witch is pushed upwards , the heat is s witched on. When the s witch is pus[...]

English – 35 MAINTENANCE Below y ou will fi nd some g eneral maintenance instructions. Daily maintenance 1 Check the throttle trigger f or smooth operation. If any binding occurs or if engine f ails to return to idle, the machine should be taken to y our dealer, bef ore it is used again. Also , be sure that the trigger cannot be pulled until the[...]

36 – English TECHNICAL D A T A T echnical data 346XP 353 Engine Cylinder volume , cu.in/cm 3 2,75/45,0 3,15/51,7 Cylinder bore, inch/mm 1,65/42 1,77/45 Stroke , inch/mm 1,28/32,5 1,28/32,5 Idle speed, r pm 2700 2700 P ower , kW/ r pm 2,5/9600 2,4/9000 Ignition system Manuf acture SEM SEM T ype of ignition system CD CD Spark plug NGK BPMR 7A Champ[...]

English – 37 TECHNICAL D A T A Recommended original and replacement bar and chain combinations F ollowing is a list of recommended cutting equipment f or the Husqvarna chain saw models 346XP and 353. The combinations of power head, bar and chain ha ve been inv estigated in accordance with the kickback and vibr ation requirements of ANSI B 175.1 ?[...]

38 – English FEDERAL EMISSION CONTR OL W ARRANTY ST A TEMENT ´®z+H4Q¶5{¨ ´®z+H4Q¶5{¨ Y OUR W ARRANTY RIGHTS AND OBLIGA TIONS The EP A (The US Environmental Protection Agency), Environment Canada and Husqv ar na Forest & Garden are pleased to e xplain the emissions control system warranty on your 2001 and later small nonroad engine . I[...]

English – 39 FEDERAL EMISSION CONTR OL W ARRANTY ST A TEMENT EMISSION CONTROL W ARRANTY P AR TS LIST 1 Carburetor and internal par ts 2 Intake pipe , air fi lter holder and carburetor bolts . 3 Air fi lter and fuel fi lter cov ered up to maintenance schedule. 4 Ignition System 1 Spark Plug, covered up to maintenance schedule 2 Ignition Module [...]

´®z+H4Q¶5{¨ 2003-10-30 ´®z+H4Q¶5{¨ 1140204-95[...]