Stihl 020 T manuale d’uso

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Chainsaw Safety Manual ST I H) SM_Motorsäge_U1.fm Seite 0 Fr eitag, 12. September 200 3 12:31 12[...]

1 Chainsaw Safety M anual English / USA Pri nted on ch lor ine- free pape r . Printing inks cont ain veget able oils; paper ca n be recycled. © ANDREAS STIHL AG & Co. KG , 2004 0 457 1 84 3 0 21. M 11 . E 4. C P . P r i nted i n U S A STIHl Contents Some Import ant Safety Precautio ns for Chain Sa w Users ...... ........... ....... 2 Safety Pr[...]

2 Engl ish / USA Chainsaw Safety M anual A. A Summary of W arnings on kickbac k and oth er Select ed Risks – T aken Primarily from ANSI B 175. 1 (See al so “Safety Precautions“ sect ion of this Owner’ s Manual ) ! W arning! Kick back ma y occur when th e nose or tip of the g uide bar touch es an obje ct, or when the w ood cl oses in and pin[...]

3 Chainsaw Safety M anual English / U SA 4. Use caut ion when ha ndling fu el. Move th e chainsaw at le ast 10 feet (3 m) from the fueling poi nt before start ing the engin e. 5. Do not allow other per sons to be near t he chain saw when st arting or cutting with the chainsa w . Keep byst anders and anim als out of th e work a rea. 6. Do not st art[...]

4 Engl ish / USA Chainsaw Safety M anual The use of any chain saw may be hazardous. The saw c hain has ma ny sharp cu tters. If the cutters co ntact your flesh, they w ill cut you, ev en if the chai n is not moving. At full throttle, the chai n speed can rea ch 45 mph (20 m/s). It is import ant that you rea d, fully un derstand and observe the foll[...]

5 Chainsaw Safety M anual English / U SA These co nditions reduc e the hand's ability to feel and reg ulate temperature , produce n umbness and b urning sensati ons and may c ause nerv e and circ ulat ion d amage and ti ssue necro sis. All factor s which contr ibute to whitefi nger dise ase are not k nown, bu t cold w eather , smokin g and dis[...]

6 Engl ish / USA Chainsaw Safety M anual Wear an app roved safety hard hat t o protect your head. Chains aw nois e may dam age you r hearing. Alw ays wear sound barrie rs (ear plugs or ear muf flers) to p rotect yo ur hearing. Continu al and regul ar user s should have their hear ing checke d regularly . THE SA W Parts o f the chainsaw ; for illust[...]

7 Chainsaw Safety M anual English / U SA ! W arning! Proper tens ion of the cha in is ext remely import ant. In order to av oid improper setting, the tensioni ng proced ure must be follow ed as d escribed in yo ur manual. Alw ays make sure the hexagon al nut(s) for the s procket cover is (are) ti ghtened securely a fter tensioni ng the chain. N eve[...]

8 Engl ish / USA Chainsaw Safety M anual Fold the grip flush w ith the top of the cap. If the gr ip does no t lie completel y flush wi th the cap and the detent on the grip does not fit in the correspo nding recess i n the filler ne ck, the cap i s not properly s eated and tightened and you mu st repe at the above s teps. Slotted Cap ! W arning! Un[...]

9 Chainsaw Safety M anual English / U SA ! W arning! Be sure tha t the guide bar and c hain are clear of y ou and all o ther obstru ctions and objec ts, including the ground. When the engin e is star ted, the en gine speed with the s tarting thro ttle lock engaged will be fa st enough for the clutch to engage th e sprocket and , if the chain brake [...]

10 Engl ish / USA Chainsaw Safety M anual ! W arning! T o red uce the risk of fire or burn injury , keep the are a around the muff ler clean. Remove a ll debris s uch as p ine needles , branches or leaves. ! W arning! An improp erly mounted or d amaged cylinde r housing or a damaged / deformed muffler s hell ma y interfere with the c ooling effec t[...]

11 Chainsaw Safety Manual English / U SA The muf fler and o ther part s of the engine (e.g. fins of the cylinde r , spark plug ) become h ot during opera tion and remain hot for a wh ile afte r stoppi ng the engine. T o r educe risk of burns do not touch the muff ler and other p arts while the y are hot. Don't work alone . Keep within calli ng[...]

12 Engl ish / USA Chainsaw Safety M anual ! W arning! Never t ouch a ch ain with your hand or any p art of your bo dy when the e ngine is runn ing , even when the chain i s not rot ating. The chain conti nues to rot ate for a short period af ter the throttle trigger is relea sed. ! W arning! Do not cut any mate rial other tha n wood or woode n obje[...]

13 Chainsaw Safety Manual English / U SA the powe rful force used to c u t wood ca n be revers ed (and w o rk again st the operator). I f the rotati ng chain is suddenl y stopped by contact w ith any solid ob ject like a log or bran ch or is pinched , there active fo rces may occu r insta ntly . These reactiv e forces may resu lt in l oss o f cont [...]

Chainsaw Safety Manual 14 English / U SA a) saws with a d isplacement o f less than 3.8 cubic inch es (62 cm ³). – must, i n their original condit ion, meet a 45° co mpute r deri ved kickb ack angle when equipped with certai n cut ting atta chments . – and mus t be equipped w ith at least two devic es to reduce th e risk of kick back in jury [...]

15 Chainsaw Safety Manual English / U SA When a k ickback occu rs, the guide bar may rot ate around the front han dle. If the cutting pos ition is such that the operator' s lef t hand is grip ping the front handle beh ind the hand guard, an d if the left hand rot ates aroun d the front han dle and mak es a suffic iently forceful c ontact with [...]

Chainsaw Safety Manual 16 English / U SA redu ce th e ris k of kic kback inj ury . O ther chains are des igned to obtain highe r cutting ef ficiency or sharp ening ease but may result in hig her kickback ten dency . STIHL ha s developed a c olor code system to help you i dentify th e STI HL redu ced ki ckba ck bar s and lo w kickba ck chains. Cutti[...]

17 Chainsaw Safety Manual English / U SA kickba ck energy . Improper l o wering or sharpeni ng of the dept h gauges or shaping of the cutters m ay increas e the chance and the poten tial energy of a kickba ck. Always cut with a pr operly sharpene d chain. Reduced kickback bar STIHL gre en labeled reduc ed kickback bars ar e design ed to reduce the [...]

18 Engl ish / USA Chainsaw Safety M anual B = Pushb ack: Push bac k occur s when the ch ain o n the top of the ba r is suddenly sto pped when it is pin ched, caugh t or encounter s a foreign o bject in t he wood. The reaction of the chai n drives the s aw straight bac k toward the operator and may cause loss of saw control . Pushbac k frequently oc[...]

19 Chainsaw Safety Manual English / U SA Escape p ath First cle ar the tree bas e and w ork area from inte rfering limbs an d brush and clean it s lower port ion with an ax . Then , es tablis h tw o path s of esca pe ( B) and remo ve all obst acles. Th ese pa ths should b e generally opposite to t he planned direction of t he fall of the tree (A) a[...]

20 Engl ish / USA Chainsaw Safety M anual Conventio nal cut A = felling notch - determines the directio n of the fall For a con ventional cut: : Properly pla ce fellin g notch perpendi cular to the l ine of fal l, close to the ground : Cut down at app. 45-degree angle to a depth of a bout 1/5 to 1/4 of the trunk di ameter : Make secon d cut ho rizo[...]

21 Chainsaw Safety Manual English / U SA B = F ellin g cut Conven tional an d open-face t echnique: : Begin 1 to 2 inches (2,5 to 5 cm) higher th an centre of f elling notch : Cut horizont ally towards th e felling notc h : Leave appro x.1/10 of diame ter uncut. T his is the h inge : Do not cu t through the h inge - you could lo se control of the d[...]

22 Engl ish / USA Chainsaw Safety M anual Felling cut for large diamet er trees: ! W arning! Felling a tree that has a dia meter greater than the lengt h of the gui de bar requires use of either the se ctioning felli ng cut or plunge-c ut method. Thes e methods are extremel y dangerous bec ause they inv olve t he us e of th e nos e of th e gui de b[...]

23 Chainsaw Safety Manual English / U SA If you are inexperienced with a chainsa w , plunge-cut ting should n ot be attempted . Seek the help o f a professi onal. Limbing Limbing is removi ng the branc hes from a fallen tre e. ! W arning! There is an e xtreme dang er of kick back during the limbing op eration. Do not work with the nose of the bar .[...]

24 Engl ish / USA Chainsaw Safety M anual 5. Logs und er strain: Risk of pi nching! Always s tart relieving cut (1) at compre ssion s ide (A) .Then make buck ing cu t (2) at ten sion side (B) . If the saw pi nches, stop the engine and remo ve it from th e log. 6. Only p roperly tra ined profession als should work in an area where th e logs, lim bs [...]

25 Chainsaw Safety Manual English / U SA result. I f your muf fler was equi pped with a spa rk-arresting scre en to reduce the risk of fire (e. g. in t he USA, Canada and Australia ), never opera te your saw if the screen i s missing or dam aged. Remember that the ris k of forest fires is greater in hot or dry weath er . Keep the cha i n, bar and s[...]

26 Engl ish / USA Chainsaw Safety M anual 1) STIHL d ealer 2) se e "Cha in br ake" Maintenance Chart Please not e that the foll owing mainte nance intervals apply for norma l operating c onditions only . If you r daily wo rking time is l onger than normal or cuttin g conditi ons are dif ficult (very d usty work a rea, resin -rich wood, tr[...]

27 Chainsaw Safety Manual English / U SA 2) Firmly tight en cylinder base screws of professio nal saws (3.4 kW or more) af ter 10 to 20 h ours of operation * se e “Guide to Using this Ma nual“ Please not e that the foll owing mainte nance intervals apply for norma l operating c onditions only . If your dai ly working time is lon ger than normal[...]

28 Engl ish / USA Chainsaw Safety M anual 1 T wis t lock 2 Carburet or adjusti ng screws 3 Fuel pum p (easy star t*) 4 Decomp ressio n valve* 5 Chai n bra ke 6 Muffl er 7 Chain spro cket 8 Chain s procket co ver 9 Chain cat c her 10 Chain t ensioner (side) 11 Chain t ensioner (front) 12 Guide bar 13 Oilomat ic saw cha in 14 Adjustin g wheel of quic[...]

29 Chainsaw Safety Manual English / U SA 16 Oil filler cap 17 Bumper sp ike 18 Front hand guard 19 Front hand le (handelba r) 20 S tarter gri p 21 S park pl ug boot 22 Mast er Con trol le ver 23 Fuel f iller cap 24 Throttle tri gger 25 Throttle tri gger interlock 26 Rear ha ndle 27 Rear ha nd guard # Serial numbe r 26 27 208BA004 KN 17 16 18 19 21 [...]

30 Engl ish / USA Chainsaw Safety M anual Definitions 1 Twist Loc k Lock for c arbure tor b ox cove r . 2 Carburetor Adjusting Screws For fine t uning the ca rburetor . 3F u e l P u m p Fills c arburetor with fuel to simplify start ing. 4 Decomp ression Valve Releas es comp ressi on pres sure to make s tart ing easie r . 5 Chain Brake A devic e to [...]

31 Chainsaw Safety Manual English / U SA 26 Rear Handle The sup port handle for the right hand, l ocated at the rear of t he saw . 27 Rear Hand Guard Gives ad ded protection to operator' s right hand . Guide Bar Nose The exp osed end of th e guid e bar . (not illu strated, see chapter "T ensioning the Saw Ch ain") Clutch Coup les e n[...]

32 Engl ish / USA Chainsaw Safety M anual[...]

! WARNING! The eng i ne exha ust from this product contai ns chemic als known to the State of Cali fornia to caus e cance r, birth defects or other re product i ve ha rm. ! WARNING! The engi ne ex haust fro m this prod uct contai ns chemic als known t o the State of Cali fornia to caus e cance r, birth defects or other re product i ve ha rm. 0457 1[...]