McCulloch MC4218AV manuale d’uso

WAR NI NG : Read and foll ow all Safety Rul es and O perating Instructions befo re using this product. F ailure to do so can result in serious injury . ADVER TE NCIA : Lea el manual de instruccio nes y siga todas las advertencias e instrucciones de seguridad. El no hacerl o puede resultar en lesi ones graves. A VERT ISS EMENT : Lire le manuel d’ [...]

2 IDENT IFICATION OF SYMB OLS W ARNING ! This c hain s aw can be danger ous! Car eles s or improper us e c an caus e ser ious or ev en fatal i njury. Read and unders tand the instr uction manual before using the c hain saw. Alway s use two hands when operating t he chain s aw. WAR N I N G ! C ontact ing the guide bar tip with any ob- ject should be[...]

3 Snug F itt ing Clo thi ng Saf ety Shoe s Safe ty C hap s Heavy Duty Gloves Eye Protection Hearing Protec tio n Safe ty Ha t S Keep all parts of y our body aw ay from the chain w hen the engine is running. S Keep childr en, by s tanders , and animals a minimum of 30 feet (10 meters) away fr om the work area. Do not allow other people or animals to[...]

4 S Pinch -Kickback can oc c ur when t he the wood c loses in and pinches the moving saw chain in the cut along the t op of the guide bar and the s aw chain is suddenly stopped. This sudden s topping of the chain r esult s in a r evers al of the c hain forc e used to c ut wood and c aus es the saw t o move in the opposite dir ection of the chain r [...]

5 KICKBACK SAFETY FEA TURES WAR N I N G : The following f eatures are inc luded on your s aw to help reduce t he hazar d of k ick bac k; how ev er , s uch featur es will not totally eliminate this danger . As a chain s aw us er , do not r ely only on s afety de- vic es . Y ou mus t follow all safet y prec au- tions, instruc tions , and maintenance [...]

6 Com puted kickb ack a ngl e ( CKA ) T abl e BAR P/N Length C HAIN P/N 530044693 18 ″ MODE L CKA wit hout cha in brake MC4218AV 33 _ 530051478 NOTE: I ft h i ss a w i st ob eu s e d f o rc o m - merc ial logging, a c hain brak e is required and s hall not be remov ed or other wis e dis- abled to c omply with Federal O SH A Regula- tions f or Com[...]

7 Adjustment loc ated on c lutc h c over Inside view of clutc h cov er 4. Turn the adjusting s c rew by hand c oun- terc lock wis e until the adjusting pin just touches t he stop. T his s hould allow the pin to be near t he corr ect pos ition. 5. Slide guide bar on bar bolts until guide bar s tops agains t clut ch drum s proc ket . Guid e bar Bar b[...]

8 4. Lift up tip of guide bar to chec k for s ag. Releas e tip of guide bar, then t urn ad- justing sc r ew 1 / 4 turn cloc k wis e. Repeat until sag does not ex ist. Adjus ting Sc rew - - 1 / 4 Tur n 5. While lift ing tip of guide bar , tighten bar nuts s ec urely w ith the bar tool. Bar Nuts 6. U se the sc rewdr iver end of the bar tool to move c[...]

9 THROTTLE LOCK- - OUT The THROTTLE LOC K- - O UT must be pres sed bef ore y ou can s queez e the throt tle trigger. Th is feature pr events y ou fr om acci - dentally s queez ing the tr igger . CHOKE/ F AST I DLE LEVER The c hoke and f ast idle are s et by pulling the CHOKE/F AST IDLE LEVER out to the full ex- tent for c old s tarting or after r e[...]

10 T o stop the engine mov e the O N/S TOP sw itch to the STOP pos ition. T o start t he engin e hold the s aw fi rmly on the ground as illus trat ed. Make su re the c hain is free to turn with out contacting any obje ct. Left Hand on Front Handle Starter Rope H andle Right Foot Thr ough Rear Handle Us e only 15 ″ -- 1 8 ″ (40 - - 45 cm) o f ro[...]

11 S This saw is equipped with a chain brake. The brak e is des igned to s top the c hain if kickb ack o ccurs. S The inert ia- - ac tiv ated chain brake is activ ated if the front hand guard is pushed forwar d, either manually (by hand) or automatically ( by sudden movement). S If the br ake is alread y ac tiv ated, it is disenga ged by pulling th[...]

12 Directio n of Fall 45 _ Pl an a clear ret reat pa th FELLI NG LARGE TR EES (6 inc hes ( 15 cm) in diameter or larger) The notch method is used to fell large tr ees. A notc h is c ut on the s ide of the tree in the de- sir ed direct ion of f all. After a felling cut is made on the opposite s ide of tree, t he tree will tend to fall into the notc [...]

13 Overcutting Un de rc utti ng Undercutti ng involv es c utting on the under - side of t he log with top of s aw agains t the log. When underc utting use light upw ard pres - sur e. Hold s aw fir mly and maintain cont rol. The saw w ill tend to pus h back tow ard y ou. WAR N I N G : N ever t urn s aw ups ide down to underc ut. T he saw c annot be [...]

14 S Remov e larger, suppor ting branc hes with the cut ting tec hniques des c ribed in BU CK - ING WITHOUT A SUPPO RT . S Alway s us e an overc ut to cut small and free - ly hanging limbs . Under cut ting c ould c ause limbs to f all and pinch the s aw. PRUNING WAR N I N G : Limit pruning to limbs shoul der height or below. Do not c ut if branc he[...]

15 CHECK GUIDE BAR Conditions whic h require guide bar mainte- nance: S Saw c uts to one s ide or at an angle. S Saw has t o be forc ed thr ough the c ut. S Inadequate supply of oil to bar/c hain. Chec k the condition of guide bar eac h time chain is shar pened. A wor n guide bar will damage the chain and make cutt ing dif ficult. After eac h us e,[...]

16 CLEANING THE SP ARK ARREST - ING SCREEN Cleaning is required ev ery 25 hour s of op- eration or annually, whichev er c omes firs t. 1. Loos en and remov e the nut from the ex - haust outlet c ov er . 2. R emove the ex haust oulet c over. 3. R emove s park arr esting s cr een. Handle sc reen c arefully t o prevent damage. 4. C lean the s park ar [...]

17 S File chain to meet t he specific ations as show n. 30 ˚ 80 ˚ 60 ˚ Rounded Corner 0.025 inch (0.65 m m) Right Hook Angle Wrong Squared O f f Corner T oo Much Hook A ngle WAR N I N G : M ainta in t he proper hook ang le acc ording t o the manuf act urer ’s spec ific ations f or the c hain you ar e us ing. Im - proper hook angle w ill inc re[...]

18 FUEL SYSTEM Under FU ELING E NG INE in the OPERA- TION sec tion of this manual, s ee mess age labeled IMPORT ANT regarding the use of gasohol in y our c hain s aw . Fuel s tabilizer is an acc eptable alternativ e in minim iz ing the formation of fuel gum deposits dur ing stor- age. Add stabiliz er to the gasoline in the fuel tank or fuel s torag[...]

19 LIMI TED WA RRANTY McC ullo ch, a div ision of Hus qvar na Con- sumer O utdoor Pr oducts N .A., Inc ., war - rants t o the or iginal c onsumer purc haser t hat each new McC ull och brand gas oline c hain saw is free fr om defec ts in material and work manship and agr ees to repair or r eplace under this warranty any defec tiv e gasoline chain s [...]

20 ter as soon as a problem exis ts . W arr anty re - pairs s hould be c ompleted in a reas onable amount of time, not to ex c eed 30 day s. I f y o u have any questions regar ding your warrant y rights and r espons ibilities , you sh ou l d co nt a ct your n eares t authoriz ed s erv ice center, call McC ulloc h at 1 - - 800 - - 554 - - 6723, or s[...]