McCulloch MAC 838 manuale d’uso

INSTRUCTION MANUAL IMP ORT AN T IN FO RM A TIO N: Plea se read t hese inst ru ctio ns caref ull y and make sur e you under st and th em befo re usi ng thi s uni t. Ret ain t hese instr uctions for fut ure refer ence. GB 1 15164026 R ev . 1 7/15/09 BR W[...]

2 ID ENTI FIC A TION (WHA T IS WH A T?) Chain Adjus tment T oo l (Bar T ool) Bar O il Fill Cap Chain Front H and Guar d Starter R ope ON/S T OP Switch Muffler Chok e/ Fast Idle Lever Fuel Mix Fill Cap Starter H ous ing Idle Speed Sc rew Bumper spik e Primer Bu lb Front Handle Guide B ar Bar Nuts Cy linder Cover Thrott le Lock out Rear Handle Thrott[...]

3 IDEN TIF ICA T ION OF SYM BOL S Mov e O N/ STOP s w itc h t o the ON pos ition. Slowly pres s primer bulb 6t i m e s . Pull the s tarter rope shar ply 5 tim es with your right hand. Pull the s tarter rope s harply with y our r ight hand unti l the engine s tarts . Pull c hoke/fas t idle lever out to the f ull extent (to the FULL C HO KE pos i- ti[...]

4 S Make s ure t he chain w ill not mak e contac t with any objec t w hile star ting the engine. Nev er try to s tart the s aw when t he guide bar is in a c ut. S Do not put pres sur e on the s aw at the end of the cut . Apply ing pres s ure c an c ause you t o lose c ontr ol of the c hain s aw w hen the c ut is completed a nd may cause s erious p [...]

5 S Mix and pour fuel i n an outdoor area on bare ground; s tore f uel in a cool , dry, well venti - lated plac e; and us e an approv ed, mark ed conta iner for all fuel pur pose s. Wipe up all fuel s pills before s tar ting s aw . S M ove at least 10 feet (3 meters ) from fuel- ing site bef ore s tarting engine. S Turn the engine of f and let s aw[...]

6 Thumb on underside of handle bar Elbow locked S K eep a good, firm gr ip on t he saw with bot h hands w hen the engine is r unning a nd don’t let go. A fir m gr ip will help y ou r educe k ic k - back and maintain c ontro l of the saw. K eep the fingers of your le ft hand enc irc ling and your left thumb under t he front handlebar . Keep y our [...]

7 ASSE M BL Y Protec tiv e gloves (not pr ovided) s hould be worn during as sembly. A TTA CHIN G THE BUMPER SPI KE The bumper s pike may be used as a piv ot when making a c ut. 1. Loos en and remov e the bar nuts and the clu tch cove r fro m th e saw . 2. A ttach the bumper spike w ith t he two sc rew s as illust rated. A T TA CHI NG THE BA R &[...]

8 Clutc h Cover Lower Hole Guide Bar Adjusting Pin 12. Ins tall bar nuts and finger tighten only . Onc e the c hain is tens ioned, you will need to tighten bar nuts. CHAIN TENSION (Including unit s with chain a lready inst alled ) WAR N I N G : Wear protec tiv e gloves when handling chain. The c hain is s harp and can c ut you ev en when it is not [...]

9 mixed w ith a good q uality 2-c yc le air -c ooled engine oil des igned to be mixed at a ratio of 40:1. A 40: 1 r atio is obtained by mix ing 0,125 liter of oil w ith 5 lite rs o f unleaded gas oline. DO NO T US E automotiv e or b oat oil. These oils will c aus e engine damage. When mix ing fuel follow the ins tr ucti ons pr inted on t he cont ai[...]

10 DIFFICUL T STARTI NG (or start ing a flooded engine) The engine may be flooded w ith too muc h fuel if it has not s tarted aft er 10 pulls. Flooded engines c an be clear ed of ex c ess fuel by pus hing the chok e/fas t idle lever in completely (to the OFF C HO KE position) and then following t he warm engine star ting proc edure listed abov e. E[...]

11 Natural c onditions that can c aus e a tree to fall in a partic ular dir ection inc lude: S The wind direc tion and s peed. S The lean of the t ree. The lean of a tree might not be apparent due to unev en or sloping terr ain. U s e a plumb or lev el to de- termine the direc tion of tree lean. S Weight and branc hes on one s ide. S Surrounding tr[...]

12 Overcut ting begins on the top s ide of the log with the saw agains t the log. W hen overc ut- ting use light downw ard pres s ure. Overcutting Un de rc utti ng Undercutti ng involv es cutting on the under- side of t he log with top of saw agains t the log. When underc utting us e light upw ard pres - sur e. Hold s aw firmly and maintain c ontro[...]

13 S Ma ke your fi st cut 1/3 of the w ay thr ough the bottom of the limb. S Ne xt ma ke a 2n d cut all the way t hrough the limb . Then c ut a third over cut leav ing a 3 to 5 cm c ollar fr om the trunk of the t ree. First cut Second cu t Third cut Col lar Pruning techniq ue SER VICE AND ADJ USTM ENT S WAR N I N G : Improper mai ntenanc e could r [...]

14 Replac e guide bar when the groove is wor n, the guide bar is bent or c rac ked, or when exc es s heating or burring of the rails occ urs . If replac ement is n eces s ary, use only t he guide bar specified for your saw in the re pair parts list or on the decal loc ated on the c hain s aw. SP ARK PLUG The spar k plug should be r eplaced each yea[...]

15 Wr o n g Squared O f f Corner T oo Much H ook A ngle WAR N I N G : Maint ain the pr oper hook angle acc ordi ng to the manuf act urer ’s s pecif i- cat ions f or the ch ain y ou are us ing. Impr oper hook angl e w ill inc reas e the c hanc e of k ic k - back w hich ca n res ult in s erious injur y . 4. C heck and low er depth gauges . Depth G [...]

16 TROUBLE CAU SE REMEDY Engine will not star t or w ill run only a few sec onds after star ting. 1. Ignition s witc h off. 2. Engine flooded. 3. Fuel tank empty. 4. Spark plug not fir ing. 5. Fuel not reac hing car buretor . 1. Mov e ignition s witc h to O N. 2. S ee “Difficult S tarting” in Operation S ection. 3. F ill tank w ith corr ect fue[...]

17 TECHNICAL DA TA S HEE T Engine Mac 83 8 Cy linder v olume, c m 3 38 Stroke, mm 32 Idle s peed, rpm 3000 Rec ommended max . speed, un loaded, rpm 12000 Power , kW 1,5 Ignit ion system Manufac turer Walbro T ype of i gnition s ys tem Induc tiv e Spark plug Champion Elec trode gap, mm 0,5 Fuel and lub ricat ion system Manufac turer Zama Carburetor [...]

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20 Husq var na AB SE - - 561 82 Hus k var na Sweden Visit our website at w ww.mcculloch - - eur ope.com[...]