Craftsman 358356281 User Manual GASOLINE CHAIN SAW Manuals And Guides L0805040
CRAFTSMAN Chainsaw, Gas Manual L0805040 CRAFTSMAN Chainsaw, Gas Owner's Manual, CRAFTSMAN Chainsaw, Gas installation guides
User Manual: Craftsman 358356281 358356281 CRAFTSMAN GASOLINE CHAIN SAW - Manuals and Guides View the owners manual for your CRAFTSMAN GASOLINE CHAIN SAW #358356281. Home:Lawn & Garden Parts:Craftsman Parts:Craftsman GASOLINE CHAIN SAW Manual
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IMPORTANT MA_-_A L Do Not Throw Away IIIIIIIIII II I i iii iiiiiiii i iiiiiii i j ii Operator's Manual • • • Assembly Operation Maintenance Repair Parts MODEL NO. 358356281-2.8118" 358.356332,3.3120" /C.RFIFTSMFIN, 2.8118" 33/20" GASOLI N E CHAIN ...................... ., ..... ,, d_WARNING: Model No. - Sold by Sears, L 1'- , ,,,, , ' i" Serial No. Retain these numbers for future 530.081372-2-09/15/93 ,- Record in the space provided below the Model No. and Serial No. of your saw. These numbers are located on the starting instructions decal. Carefully read and follow Safety Rules, Precautions and Operating instructions. Failure to do so can result in serious personal injury. .... SAW •• / Roebuck | j • and Co., Hoffman i i, Estates, ii reference. k IL 60179 i i -. USA ,,,,, , © 1993, Sears, Roebuck and (20. FULL ONE YEAR WARRANTY ON GASOLINE CHAIN SAW (Excluding Bar, Chain, Spark Plush Air Filter and Starter RoPe) :__ For one year from date of purchase, when you maintain, lubncate, and tune up this chain saw according to the operating arid mam_nance instructions in the o.pe.ra, tor's, manual, Sears wifl repair defects in material or workmanship in this gasoline chain saw at no cnarge. I his warranty excludes oar, cnain, spark plug, air flRer, and starter rope which are expendable parts and become w0m our ng normal use. _>e_. if this chain saw is used for commercial or rental purposes, this warranty does not apply. WARRANTY SERVICE IS AVAILABLE BY REDJRNiNG THE CHAIN SAW TO THE NEAREST SEARS SERVICE CENTER/DEPARTMENT IN THE UNITED STATES, This warranty gives you specific legal dghts, and you may also have other rights which vary from state to state. .................... ....... Sears, ,Roebuck and Co., Dept. D/731-CR.W, Sears Tower, Ch!cago, !L 60684 Sold by Sears, Roebuck and Co., Dept. D/817W_ Hoffinan Estate, TABLE IL 60179 USA . _ OF CONTENTS Specifications ............................... SPECIAL SAFETY SECTION ..................... Know Your Chain Saw Preparing Your Saw For Use ................... Accessories ......... _.......... ............ 2 3 6 7 .1() Using Your Saw ........................... TyPes of Cutting Maintenance ........... : ................... Repair Parts Quick Reference Page " ' 11, 12 16 23 27 " SPECIFICATIONS 3583ss2_ (2_;} ................... CU, IN. DISPLACEMENT GU_D_ _--_UC_mCK_K' , , ,: , 2.8 in._ 18" Lo._ck ® Guide Bar Stock No. 71-36372 !8" - 325 ExtendedPitch Chrome Cut_rs - 72 Drive Unks - Stock No. 71.3634 ' CHAIN LOW-KICKE_CK SPARKPLUG 33 in.= 20_ Lo-Kick® Guide Bar Stock No, 71-36373 20_ - 325 ExtendedPitch ChromeCutters - 78 Drive Unks _ StockNo. 71-3635 Champion CJ-4 (StOCkNo. 71-36401) .025_ SPARKPLUG GAP ......... iGNITiON MODULE.AIR GAP s0:i_"_ ,008 tO.0i4" FUEL MIX Gasofine/OitMixture"40'it ................ MUFFLER ,,, _ • SparkArresting/Temperature Umiting USDA Approv.ed. ............. AdjustableAutomatic 20 oz. , ....... OIL TANKCAPAX3WY 10 oz. THROTTLELOCK-OUT HANDLEBAR LOW-KICK_C_ START-STOP CHAIN HANOGUARD SW|TCH STARTERHANDLE • REDUCE GUIDE TRIGGER BAR D-KICK_J_,CK GU_tDE START-STOP BAR SWITCH CONTROl FUEL FRONT,CHA!N C_kTCHER (ON CR AN¥,£TJkSE UNDER BARClAMP) 2 ---;,- CHOK_ ! , ......... SPECIAL .IHI ii i iiii ,,,, SAFETY personalinjury. Donotretyonlyonthesafefydevicesprov/ded w/th yoursaw. As a chain saw user, you must take special safety precautions to help keep your cutting jobs free from accident or injury. AKICKBACK WARNING Kickback can occur when the moving chain contacts an _ at the upperportionofthetipoftheguide bar or when thewood €loses in and ptncheethesew chain in the cut, Contact at the upper portton of the tip of the guide barcan cause the chain to dig into theobject and stop the chain for an Instant. The result is s lightning fast, reverse reaction which k_cksthe guide bar upand back toward the operator, ff the saw chain ispinched along the top of the gulde bar, the guide bar can be driven rapidly back toward the operator. Either of these reactions can cause loss of saw control which can result in serious 'injury. KICKBACK / PATH REDUCING 5. 6. 7. 8. 9. 1. AREA 2. Figure 2 STAND TO THE LEFT OF THE SAW 3. LOCKED 4. LEFTHAND 5. UNOF.R SlOe OF HANDLEBAR Figure 31 || i KICKBACK Begin and continue cutting at lull throttle, if the chain is moving at a slower speed, there is greater chance for kickback. Cut only one log at a time. Use extreme caution when re-entering a cut. Do not attempt plunge cuts. Watch for shifting logs orotherforces that could close a cut and pinch or fail into the chain. Use only the Reduced-Kickback Guide Bar and Low.Kickback Chain specifiedfor yoursaw. MAINTAINING AVOID OBSTRUCTIONS ! ..............,=, ,, 1. Recognize that kickback can happen. With a basic understanding of kickback, you can reduce the element of Surprise which contributes to accidents. 2. Never iat the moving chain €ontact anyobject at the Up of the guide bar. Figure1. 3. Keep the working area free from obstructions such as other trees, branches, rocks, fences, stumps, etc. Figure 2. Eliminate or avoid any obstructionthat your saw chain could hit while you are cutting through a particular log or branch. 4. Keep your saw chain sharp and properly tensioned. FollowSears chainsharpeningand maintenance instructions.Checktensionat regular intervals withtheenginestopped,neverwiththeenginerunning. Make sure the bar clamp nuts are securelytightened after tensioningthe chain. A looseor dull chain can increasethe chance of kickback. 10. Figure I NEVER REVERSE HAND ,,,,,,,,,,,,,,,,,,,,, ! ,,, SECTION GUARD AGAINST KICKBACK Kickback is adangerous reac onthatcanmead toserous CLEAR WORKING ,,,,,,,,,,,,,,,, 6. CONTROL Keep a good firm gdp on the saw with both hands when the engine is running and don't let go. Figu_r_e 3, A firm grip can neutralize kickback and help you maintain control of the saw. Keep the fingers of your left hand encircling and your left thumb under the front handlebar. Keep your right hand completely around the rear handle whether you are right handed or left handed. Keep your left arm straight with the elbow locked. Position your left handon the front handlebar SOit isin a streight line with your dght hand onthe rear handle when making bucking cuts. Figure3. Never reverse right and left hand positionsfor any type of cutting. Stand with your weight evenly balanced on both feet. Stand slightly to the left side of the saw to keep your body and head from being in a direct line with the cutting chain. Figure 3. Do not overreach. You could be drawn or thrown Loftbalance and lose control of the saw. Never cut above shoulder height. It is difficultto maintaincontrolofthe saw aboveshoulderheight and places the chain dangerously close to your upper body. 3 i i IIIIHIII II ij SPECIAL IIIIII i i, .............................................................. ,i SAFETY SECTION (continued) i i IIIIIIiii ,,,, IH iii 4. Do not attempt to use your chain Saw during bad weather conditions such as strong wind, rain, snow, etc.. or at night. Plan your sawing operation carefully in advance. Do notstartcutting untilyou have a clear workarea, secure footjng,and ifyouare fellingtrees, a plannedretreatpath. AWARNING SNUG PROTECTION FITTING CLOTHING 5. GLOVES AVOID SAFETY CHAPS Figure4 YOUR To avoid Pinch-Kickback: SAW 1. Read your Operator's Manualcarefully untilyoucompletelyunderstandandfollowallsafetyrulesand oper_ng instnJctionsbeforeattemptingto operatethe unit. 2.. Restrict the useof yoursew to adultusers who understand and fo!low the safety rules, precautions, and operating instructionsin this manual. 2. 3. 1. 2_L . 4 AHEAD Wear protective gear. Figure 4. Always usesteel-toed sa= fetyfootwear withnon-slipsoles;snug-fittingclothing; heavy, duty non-sl_p g_:_s; eye pr(ff_"tion such a._ non-fogging, vented goggles or face screen; an approvedsafetyhardhat,and soundbarriers-- ear plugsor mufflers to protectyour hearing. Regular users should have hearing checked regularlyas chain saw noisecan damage hearing. Keep chiidrert, ly_staltdem, and petsout of the work area-- a minimum of 30 feet (10 meters). Do notallow other people or animalsto be near the chain saw when startingor operatingthechain saw. Do not handle or operate a chain saw when you are fatigued, ill, upset, orif you are under the influenceof alcohol, drugs, or medication. You must be in good physicalconditionand mentally alert. Chain saw work is strenuous, Ifyou haveanycond_on that might be aggravated by strenuous work,check with yourdoctor before operating a chain saw. Be extremely aware of situations or obstructions that can cause material to pinch the top of or otherwise stop the chain. Do not cut more than one log at a time, Do not twist the saw as the bar is withdrawr_ from an under-cut when bucking. To avoid Pull-in: 2_ PLAN FORCES Pinch-Kickback and Pull-in occur when the chain issuddenly stopped bybeing pinched, caught, or by contacting a foreign object in the wood. This resultsin a reversalofthechainforceusedtocutwoodandcausesthesaw to move in the opposite directionof chain rotation.PinchKickback drivesthe saw straight back towardthe operator. Pull-in pullsthe sawaway fromthe opera_. JEitherlreaction canresultinlossofcontroland possibleserious injury. 1, KNOW REACTIVE Always begin cutting with the engine at full throttle and the spur against the wood. Use wedges made of plastic or wood (never of metal) toholdthe cut open, HANDLE FUEL WITH CAUTION I. Elimin=te a!! soumes of =,z_pa_rks or flame in the am_a_ where fuel is mixed, poured, or stored. There should be no smoking, open flames, or work that could cause sparks. 2. Mixand pour fuelin an outdoor area, on bareground; store fuel in a cool, dry, wetl-venUlated place; and use an approved, marked container for fuel. 3. Wipe up all spilled fuel before starting your saw. 4. Move at least 10 feet (3 meters) away from fuel and •fueling site before starting the engine. Do not smoke while handling fuel or while operating the sew. 6. Turn the engine off and let your saw cool in a noncombustible area, not on dry leaves, straw,paper, etc. 7. Stop engine before removingfuel cap. Allowthe engine to cool before refueling. 8. Store tool and fuel in an area where fuel vapors cannot reach sparksor open flames from waterheaters, electric motors or switches, furnaces, etc. To avoid the above listed situations, refer to the "Types of Cutting" section. ,,. iiiiiiiiiii SPECIAL SAFETY SECTION (continued) lllmlll OPERATE YOUR ii ii i iiiii i SAW SAFELY , 1. Do not operate a chain saw that is damaged, improperly adjusted, or not completely and securely assembled. 2. Operate the chain m only in outdoor areal 3. Do not operate the saw from a ladder or in a tree. 4: Position all parts of your body to the left of cut and away from the law cltlin when the engine is running. 5. Cut wood only. Do not cut metal, plastics,masonry, non-wood building materials, etc. Inspect materialto be cut; remove any foreign materialssuch as nails, wire, etc. Do not use yoursaw to pry or shove away limbs, roots,or other objects. 6. Make sure the chain wilt not make contact with any object before starting the motor. Never try to start the saw when the guide bar is in a cut. 7. Use extreme caution when cutting small size brush and saplings. Slender material can catch the saw chain and be whipped toward you or pull you off balance. 8. Be alert for springback when cutting a limb that is under tension so you wiii not be struck by the limb oF saw when the tension in the wood fibers is released. 9. Do not put pressure on the saw at the end of a cut. This can cause you to lose control when the cut is completed. 10. Stop the engine before setting the saw down. MAINTAIN WORKING iiiiiiiiiiiiiiiiiiiiiiiiiiiii i iiii Never modify your saw in any way. Use onlyattach. ments suppliedor specificallyrecommendedby Sears. 8. Always replace the handguard immediately if it becomesdamaged, broken, or is otherwise removed. 9. Keep thevibration isolators in good condition. Periodicallyinspectisolatorsfor tears, rips,or separationof the rubberportionfromthemetalmountings.HaveyourSears ServiceCenter/Departmentreplacethe isolators ifwomor damaged,ifvibrationincreases, or ifmountsdevelopan out ofroundor swollenshape from exposuretogasoline and/oroil.Ris recommendedthatall isolators be replaced whena failure toone occurs. CARRY 1. AND STORE YOUR SAW SAFELY Handcarrythe unit with theengine stopped, the muftier awayfrom your body, and theguidebarandchainto the rearcoveredpreferablywith a scabbard. 2. Before transporting in any vehicle or stodng in any enclosure, allowyoursaw to coolcompletely,coverthe bar and chain,and properlysecuretoavoid turnover,fuel spillage,ordamage. 3. _B._fom=stodng=thetool, use up ,_,el left in the _-_rburetorand fuel tines by starting the engine and letting it run until_itstops. 4. Store in a dry area out of the reach of children and a_ from where fuel vapors can reach sparks or an open flame from hot water heaters, furnaces,et_ YOUR SAW IN GOOD ORDER SAVE THESE INSTRUCTIONS 1. 2. 3. 4. 5. Have all chain sawservice performed byyourSears Service Center/Department with the exceptionof the items listedin the maintenance sectionofthismanual.For example, ifimpropertoolsare usedto removeorholdthe flywheelwhen servicingthe clutch,structural damage to the flywheel can occur and causethe flywheeltoburst. Keep fueland oilcaps, screws, aiidP_tene_=iy tightened. Keep the handles dry, clean, and free of oil or fuel mixture. Make certain the saw chain stops moving when the throttle trigger is released. For correction, refer to "Carburetor Adjustment" instructions. Stop the saw if the chain strikes a foreign object. Check for alignment, binding, breakage, and mounting of moving parts and any othercondition that may affect the operation of the unit. Check guards and all other parts to see if each willoperate propedyand perform its intended function. Any part that is damaged shouldbe propedy repairedor replacedbyusing the instructionsin thismanualor by seeingyour Sears Service Center. 6. Disconnect the spark plug before performing any maintenance except for carburetor adjustments, NOTE: Exposure to vibrations through prolonged use of gasoline powered hand tools could cause blood vesselor nerve damage in the fingers, hands, and wrists of people prone to circulation disorders or abnormal swellings. Prolonged use in cold weather has be6ri linked to b166d iie_i dania_le in otherwise healthy people. If symptoms occur such as numbness, pain, loss of strength, change in skin color or texture, or loss of feeling in the fingers, hands, or wrists, discontinue the use of this tool and seek medical attention. An antivibration system does not guarantee the avoidance of these problems. Users who operate powertoolson acontinual and regularbasismust monitor closely their physical condition and the condition of this tool. Notice: Refer to the Code of Federal Regulations,Section 1910.266(5);2_5.1 of American National Standard Safety Requirements for Pulpwood Logging, ANSI 03.1-1978;and relevant state safety codes when usinga chainsaw for togging purposes. NOTE: When cutting fibrous materialsuch as palms,pampas grass, yucca, etc., clean the cooling system (including cylinder cooling fins) after every other refueling. 5 KNOW YOUR CHAIN SAW IIIIIII III II I II UI I , A. INTRODUCTION _,_€+) _....,---" _ • GUIDE ..... B, KICKBACK SAFETY 6 "RADIUS CHAI# CUTTER TIP OBSTRUCT M/mERIAL CHAIN WITH KICKtMC;K POlrI_NTIAL Figure 5 REQUIREMENTS. For users on U.S. Forest Land and in some states, including California (Public Resources Codes 4442 and 4443), Idaho, Maine, Minnesota, New Jersey, Oregon, and Washington: Certain internalcombustion engines operated on forest, brush, and/or grasscovered lands in the above areas, must be equipped with a spark arrestor,maintained in effectiveworking order,or the engine must be constructed, equipped, +and maintained for the prevention of fire. Check with yourstate or localauthoritiesfor regulationspertaining to these requirements.Failure to follow these requirementsis a violation of the law. This unit is factoryequipped with a spark a_estor, if a spark arrestor isrequired in yourarea, you are lega!lyresponsiblefor maintainingthe operatingconditionof these parts(see "Spark Arrestor" in the maintenance section). -- ' A WARNING Do not operate the chain saw unless the safety devices or their specified replacements are properly installed and maintained according to the instruci tions in this manual. Do notuse any other guide bar and chain combination that is not equivalent to the +original equipment or not certified to comply with ANSI BI75.1-1985. Failure to followthese instructions can result in serious injury. J C, STATE AND LOCAL FEATURES Reduced;Kickback Guide Bar, designed with a srna;lradiustipwhichreducesthesizeofthe kicld_ck danger zone on the bar tip. Figure 5. A ReducedKickbackGuide Bar is one whichhas beendemonstrated to significantly reduce the number and seriousnessofkickbackswhentestedin accordance with the safety requkementsfor gasoline powered chainsawsas set bytheAmericanNationalStandards Institute,inc., Standard BI75.1-1985. -- Low-Kickback Chain, designedwith a contoured depthgaugeand guardlinkwhichdeflectthe kickback force and allowwoodto graduallyrideintothe cutter, Figure.5Low-KickbackSaw Chainischainwhichhas met the kickbackperformancerequirementsofANSI B175.1when tested on a representativesample of chain saws below 3.8 cubic inch displacement specified in ANSI B175+1-1985. (American National Stat_trd for PowerTo, is - G_3iine P_'_f_fCPi_i_ Saws - Safety Requirements). "Handguard, designedto reducethechance ofyour : lefthandcontactingthechain ifyourhandslipsoffthe front handlebE --Position of front and rear handlebars, designed withdistancebetweenhandlesand"inline"witheach other.The spreadand "in line"positionof thehandlebars worktogetherto givebalanceand resistancein controllingthe saw ifkickbackoccurs. LOW KtCK_IkGK SYMML=R'RfCAL GUIDE BAR AWARNING The following features are includedon your saw to help reduce the hazard of kickback; however,such features +will not totally eliminate this dangerousreaction. Asa chain saw user, do not rely only onsafety devices. You must follow all safety precautions, instructions, and •maintenance in this manual to helpavoid kickback and other forces which can result in serious injury. BAR GAUGE CO/(TtXN_ED _ONGATED / Yoursaw has been desig.nedwith safetyin mind and inc_Jdesthetoiiowing featuresas standard equipment: -- Reduced-KickbackGuide"Bar(Lo-Kicl_) -- Low-Kickback Chain (ElongatedGuard Link) -- Spark Arrestor --Temperature Limiting Muffler -- Handguards "--Full VibrationIsolationSystem II II D. CARTON CONTENTS After you unpack the carton: 1. Check the contents against the list below. 2. Examine the items for damage. 3. Notih/yourSearsStoreimmediate/yffapartismissing or damaged. NOTE: it is normal to hear the fuel filter rattle in an eml_ty f_iel lank. KEY NO. 1 2 3 -4 5 6 7 8 9 !0 _ CARTON CONTENTS: Power Head Guide Bar 2,Cycle Engine Oil Loose Parts Bag (not ShOwn) LOOSE PARTS BAG CONTENTS: Handguard Cap-Handguard Screws - Handguard (#10x t ") Spur Screw - Spur (#I0 - 24 x 5/8") Chain ScrenC,h Operator's Manual (not shown) QTY. 1 1 1 1 1 1 3 1 2 1 1 1 ........................ PREPARING 7;......, ....... GETTING iiiii i iiiiiiii i ,,,,,, ,,, ,,,,,,,,,,, . , READY !. READ YOUR OPERATOR'S MANUAL 2. HAVE THE FOLLOWING AVAILABLE: YourOperator'sManual hasbeen developedtohelp you prepare yoursaw for use and to understandits safe operation. It is important that you read your manual completelyto become familiar with the unit beforeyou begin assemblyor attemptoperation. ........................... B. I................. YOUR SAW FOR USE- ............................ A. ....._ ....................................... ,,,,,,,,,,,, ATTACHING THE a. Proteotive gloves "b. Approved, marked, fuel container. c_ Regular unleaded gasoline. (See "Fueling Your Engine.") d. Two-cycle engine oil provided with unit. e.. Bar and Chain Lubricant. (See "Bar and Chain Lubdcant") f. Scrench -- providedwithyour unit. Use the long end ofthetoolas a standardscrewdriver,the small pipeend asasockBtwrench,andthe largerpipeend to removethe sparkplug. _ Phtlllps Screwddver. • ,,!,,;;,;; ................... , ,_,;,,,I ................. . ' HANDGUARD '...................................... ""_" ' ': AWARNING The Handguard is a protective device designed to reduce the chance of your left hand contacting the chain if your hand slips off the front handlebar. HANDGUARD , , Do not use the saw without the handguard in place. Always replace the handguard immediately if it becomes damaged, broken, or otherwise removed. • Uftandcorrythechalnsawbythehandlebar, by the handguard. not" • Keep Lhe .handguard L_,N:_mly fastened at a!! times. Check the handguardscrews each time the sawis used. PINHOLE • To Install: 1. Alignthe Handguardand HandguardCap around the Handlebar as shownin Figure 6_ 2. Fit the mountingpinon the Handguard intothe pin holein the Handlebar.Figure6 (inset). UARD i Figure6 ' C. ....... """':"':' " ' " .... ATTACHING ' iiiiiiiii ii THE ' iiiii]1_11111_111 iiii .......... 3. Insertthe3 mountingscrewsintothe3 holeson the HandguardCap. 4. Turneach screwwitha Phillipsscrewdnver a little at a time clockwiseuntilthe HandguardCap and Handguardmeet andthere is nogap between the two parts. i ,,,i,, ,,,i _ -, ................... ,,,,,,,,,,,,,,,,,, ,,, SPUR • The spur is a special piece of equipment designed to assist the cutting operation. When assembledto thesaw. the spurwilldigintothe tree or logand: = relieve contact pressure adding ease to the sawing operation. -allow the saw to be more easily rotated or pivoted into the cut. • To Install: 4. Secure the spurwiththe new screw(supplied)and the screw removedin step 2. Tighten the screws firmly. 1. Remove the bar clamp nuts and-bar clamp. NOTE: Be sure to remove the spacer on the bar stud (between the bar clamp and the crankcase). 2. Remove the front screw and spacer from the chaincatcher brackeLFigure 7 Onset).Discardthe spacer. 3. Positionthe spur overthe two holes in the shroud. Figure 7. Make sure the lower screw hole on the spur is positioned between the shroud and the chain catcher bracket. Figure .7. Figure 7 7 . ii "1 _m,r iiiiiii .... ii IIIIIHIIIIIIIIIIIII II ,, ,,,,,I_UII,I,I I I Jill III .=, _,,, i IIII IIIIIII i IIH IIIIIIIII IIIIIIIIIIIIIIIIIII IIIIIIIIIIIII • DI z Wear protective gloveswhan handltng or _ yoursaw. Thechain ISsharpandcan _.t you even when it Is not movingl • Your saw isequipped with a Reduced-KIckbeck Guide Bar and a Low-Kickbeck Chain. Do not start engine without guide bar end chain com1 pletMy asumbisd. Otherwise, AWARNINGthe dutch can come off and serious'Injury can moult. • Use onlythe Reduced-Kickback GuideBarand Low-Kickback Chain specified for your chain s_rw model when replacing these parts. See "Specifications:' 1. Tumtheadjusting screwcounterclockwise tomove theadjustingpinalmostasfar asitwillgo tother_. Figure 10. 2. Mounttheslottsdendoftheguidebar overthebar mountingstudsand thesmallroundhole overthe adjusting pin. Figure8 Turnthe adjustingscrew as neededtopositionthe adjustingpin. Holdchainwithcuttersfacing aSshownin FK:jure 9. 4. Place chainoverand behind theclutchdrumonto the sprocket. Fit the bottom of the ddve links between the teeth in the sprocket. Figure 8 Startatthetopofthe barand fitthechaindrivelinks into the groovearoundthe guidebar. Figure9. . Tum thea_usting screwclockwiseuntil the chain issnug inthe guide bar groove.Figure 10. 7. installthe bar clamp,replace the bar clamp nuts, then tighten the nuts finger tight on_ 8." Foliow"ChainTension"instructionsbelow. Figure 9 IIIIIHIII E. CHAIN TENSION • Correct chain tension is very important: --a loose chain wilt wear the bar and itself. --a loose chain can jump off the bar while you are cutting. --a tight chain can damage the saw and/or break. • The chain stretches during use, especially when new. Check tension: each time the saw is used -- more t_requentiywhen the chain isnew as the chain warms up to normal operating temperature • Chain tensioning procedure: NOTE: The bar clamp nuts must be no more than finger tight to tension the chain correctly. NOTE: Hold up the tip of the Guide Bar through step 4. 1. Hold thetipof theguide bar up and turnthe adjusting screw just until the chain does not sag beneath the guide bar. Figure10. ADJUSTING NOTE: Turnscrewclockwisetotighten tension.Turn screwcounterclockwiseto loosentension, . While still holdingthe tip of the guide bar up che_k the tension by liftingthe chain from the guide bar at the center of the b_ Figure 11. NOTE: --can at a --and Chain tension is correct when the chain: be lifted about 1/8" from the Guide Bar point neat the middle of the bar, will move freely around the bar. When installing a new chain, allow the chain to be lifted 114"from the bar, Thereafter, follow the instructions as indicated, 3. Continueadjustingthe AdjustingScrew untilthe tension is correct. 4. Hold the tip of the Guide Bar up and tighten the Bar Clamp Nut with the Bar Adjusting Tool. 5. Recheck tension. See Figure 11. SCREW TURN TO TIGHTEN 11 TENSION TURN TO LOOSEN TENSION Figure 10 Figure 11 ii,lllll F. FUEUNG YOUR ENGINE 1. FUEL SAFETY a. Use only recommended fuel mixtures. b. MIx and pour fuel outdoors and where there are no sparks or flames. c. Use a container approved for fuel. d. Do not smoke or allow smoking near fuelor the tool or while using the tool. e. Wipe up all fuel spills before starting engine. h Move at least 10 feet away from fueling site before starting engine. g, Stop engine before removing fuel cap. Allow the engine to cool before refueling. h. Before storing the tool, use up fuel left in the carburetorand fue!linesbystartingthe engineand letting it run until it stops. i. Store tool and fuel in an area where fuel vapors cannot reach sparks or open flames from water heaters, electric motors or switches, furnaces, etc. 2. FUEL MIXTURE * Your tool Is powered by • two-cycle engtne which requires a fuel mixture of regular • unleaded ga=ollne and a high quality engine oll specially made for 2-cycle, air cooled engines. The internal design of the 2-cycleengine requires lubricationof moving parts.Lubricationisprovided when therecommendedmixture ofgasolineand oil is used. • Gasoline must be clean and not over two months old. Gasolinewill chemicallybreak down and form compounds thatcause hardsta_ingand damage in 2-cycle engines. important. Toomuch oil in the mixturewill foulthe spark plug. [CAUTION:! Toolittle oil or incorrect oil will cause the engine to overheat and seize. • Always mix the fuel thoroughly in a container since gasolineand oildo notreadilycombine.Donor mix gasolineand oi! directlyin the fuel tank. 3. USE THE FOLLOWING ONLY: SEARS CRAFTSMAN 2-CYCLE ENGINE OIL MIXED AT 40:1 IS*STRONGLY RECOMMENDED. CONSULT THE INSTRUCTIONS ON THE OIL CONTAINER FOR PROPER MIXING. 1 Part Oil to 40 Parts Gasoline : 3.2 FI Oz Oil to 1 Gallon Gasoline 8.0 FI Oz Oil to 2.5 Gallon Gasoline Not all air-cooledengine oilshavethe same qualities.If Sears Craftsman2-cycleengine oil is not available, use a good quality,2-cycle engine oil recommendedfor air-cooledengines Mix at a ratio of 16:1(8 07. oilto 1 gallon gasoline).A 16:1 fuel mixturewith these oilswillassure adequate lubricationfor your engine. 4. DO NOT USE: • NMMA Oil -- National Marine Manufacturers Association {formerly BIA) Does not have proper additives for 2-cycle, aircooled engines and can c_use engine damage. • AUTOMOTIVE OIL -Does not have proper additives for 2-cycle, aircooled engines and can cause engine damage. CAUTION Experience indicates that alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to separation and formation of acids dudng storage. Acidic gas can damage the fuel system of an engine while in storage.To avoid engine problems, do not leave fuel in the unit when storing for 30 days or longer. Start the engine and let it run until the fuel lines and carburetor are empty. Use fresh fuel next season. See the "Storage" section for additional information. Never use engine or carburetor cleaner pmdu,#_s in the fuel tank or permanent damage can occur. NOTE: if you do not want to remove the gasoline from your unit, SEARS CRAFTSMAN Fuel Stabilizer(#71-33500) may be added to gasoline te_ in the tank to minimize gum deposi_ and adds. If the tank is almost empty, mix stabilizer with fresh gasoline in a separate containerand add to the tank. 5. HOWTO MiX FUELAND FILL TANK a. pour the proper measure of engine oil intoan approved, marked container. The, fill the container with regular unleaded gasoline, NOTE: If fuel is already in the container, add the proper measureof engine oil. Then, close the containertightlyand sh_i it momentarily. NOTE.'Do not mix gasoline and oi/ dimcth/in the rue/tank. b, Using a spout or funnel, fill the fuel tank with fuel mix, c. Reinstal!the fuel cap securely. Rgure 12 9 O. liAR AND CHAIN 3. ADJUSTING THE AUTOMATIC OILER LUBRICANT • The Guide Bar and Cuttingchain mquirecon. tinuous lubrication to remainin operating con* dition. Lubricationis providedby the automatic oilersystemwhen the oiltank iskeptfilled. e -- less oil is required for soft or freshly cut wood. -- Lack ofoil willquloldyruin the bar and chain. -- Toollttle oil wilt causeoverheatl ng shownby smokecomingfromthechainand/ordiscolorationof the guidebar rails e . o -- maximum oil is required for bardwood or wood that has bean cut for a period of time. e Use Sears Bar and Chain Lubricant (#71-36554gal. or #71-36556-qt.) to fill the oil tank. CleanSAlE 3(7,Noil may also be used, but is lesseffective.Never use waste oil for 1hispurpose. HOW TO RLL THE OIL TANK a. Stop the engine, . c, Loosencapslowlyand waitfor pressureinthe tank to be releasedbeforeremovingthe cap. d. Fillthe oiltank, e. Replace the oilcap securely. ! The adjusting screw islocatedat the bottomof the saw on the crankcasenexttothe barclamp housingand canbe adjustedwiththe,screwdriver end of the scrench provided with your saw. Figure 13. , _, -- To increase the oil flow, turn the adjusting screwcounterclockwise. -- To decrease the oil flow, turnthe adjusting screwclockwise. • In freezingweatheroilwillthicken, making itnecessary to thin bar and chain oil with a small amount of#1 Diesel FuelorKemsene. Barand chainoilmust be free flowingfor adequatelubrication. usE THE FOLLOWING: 30° or above -- Lubricant undiluted 30° to 0°F, -- 950/oLubricant to 5% #1 Diesel fuel or Kerosene. Below OOF. -- 90% Lubricant to 10% #1 Diesel fuel or Kerosene. b. 7am sawon itsside withoilcap up. Figure 12. The adjustable automatic oiler _sot for maximum output at the factory. Some types of cutting will require adjusting the oiler. e tf the oiler isadjusted to decrease the oil flow, be sure to readjustthe oiler before returningto types of cuttingthatrequiregreaterlubrication. o When the saw is run at high RPM's for long pedods of time during certain types of cutring, such aspmning or debmnching, moreoil can be deliveredthan is required.To avoidrunning out of chain oil before runningout of fuel, checkthe oiltankperiodically. IMPORTANT POINTS TO REMEMBER a. Fill the oil tank each time you refill the fuel tank to ensure there will be sufficientod for the chain whenever you startand runthe saw b. Keep sawdust and debris cleaned from the oil holes in the guide bar to allowan adequate oilflow to thebar and chain. c. Keep spilled and spattered oUwiped fromthe unit toavoid sawdust and debds build-up. Pay particularattention tooil on the fan housingand starterassemblytoavo{doverheating theengine. d. It isnormal for asmail amount of oiito appear under the saw after the engine stops. This accumulation is oil drainage from the bar and chain when the unitis not in use. Figure 13 111"1 "1 m l_ IIIIIIIIIIIIIIII II 11111 / IIII I I1!11111// I IIIIIIII I I /I I IJlIIlU I ACCESSORIES II 10 i I i iiii i i HI , ............................... Available through your nearest Sears Store, Catalog Sales Office, or Service Center. Catalog No. Description 71-36565 FileGuide 71-36527 File (11/64"Dia.)Twin Pack 71-36557 Depth Gauge Tool 71-3634 Replacement Chain for 2,8 - Low-Kickback - (33SL72 drive links) (requires 11/64"dia. file) 71-3635 Replacement chain for 33 Low-Kickback -(78 drive linksl) (requires 11i64"dia. file) 71-36372 Replacement Guide Bar- 18" - Lo-Kick_ Symmetrical 71-36373 Replacement Guide Bar - 20"-Low-Kicl_-Symmetrical 71-36401 Spark Pl(_g-ChampionCJ4 71-30143 2-CycleEngineOil71-36554 Bar and Chain Lubricant (gallon size)* 71.,36556 Bar and Chain Lubricant (quart Size)* 71-33500 Fuel Stabilizer *Available through your Sears Service center/Catalogue, Jill I IIIIIIII I IIIIIIIII IIIIIIIIIIIIII II I 711111111111 II IIII I I USING YOUR SAW II A. i! i CONTROL ]11111 DEVICES 1. The Start/Stop Switch is moved forward for the "Start" positionand rearwardfor the "Stop" position. Understanding the control devices on your saw is an important part of leamlng how to properly and safely operate the unit. Figure 14. 2. The two-positionChoke helps to startthe saw by controllingthe air flowtothe fuel system. START/STOP SWITCH . STAre <"Y STOP . The Trigger acceleratesandcontrolsthespeedotthe engine and is designedto be usedwith the throttle lock-out The Throttle Lock-out prevents the trigger from becomingaccidentally engaged.The throttlelock-out mustbe pressedbeforethetriggercanbe activated. 5. The ThrottleLockholdsthethrottlelock-outandtrigger in positionwhile the engine is being started. Release the throttlelockaftertheengine isstarl_ by • lightlysqueezing thetrigger. ....i_.......... '(_ WARNING Always wear gloves; safety footwear; snug-fitting clothing; and eye, hearing, and head protection devices when Operating a chain saw. 1. BASIC PROCEDURE a. Set the saw on fiat ground making certain the saw chain is free to turn without contacting any object. Figure 15. b. Move startJstopswitch to the"Start" position. c. Push down on the throffle lock-out, then squeeze the trigger. Press and hold down the throttle lock, then slowly release the trigger. Figure 14. When the trigger is released, the throttle lock is engaged. d. Adjustchokeaccordingto "Startingl_rocedure for Varying Conditions," step 2. e. Hold front handlebar with left hand. Place right foot through rear handle to stabilize saw. f. Pull starter rope quickly with your right hand. g, After engine has started_ squeezethen release throttle trigger to release the throttle lock, allowing the engine to return to idle. move when the engine runs at idle t The chain must not_I_WARNING speed. Refer to "Carburetor Adjustment;' Page 19, t for correction. h. Stop engine by m_ving the ignition switch to the"STOP" position (Figure 14). HOLD F-HONTHANDLE-BAR ANDPLACE iW'.,HT FOOT THROUGH HANDLE. Figure 15 ,,,i,,i H,,,I ,,,,I I m||m I ii Illilillllllil II I 2. STARTING PROCEDURE FOR VARYING CONDITIONS NOTE: Be sure to follow"1. Basic Procedure," as describedon this page. a. COLD ENGINE 1.)Pullchoke to fullchokeposition. Figure14. 2 ) Pull starterrope untilengine attemptsto run. 3.)Push choketothe half position. Figuret4. 4.) Pullstarterrope untilengine runs. 5.)After 5 secondwarm up, push choketo the off position.Figure 14. _WARNING Avoid bodily contact with the muffler when starting or using a warm engine to avoid serious bums, b. WARM ENGINE 1.)Leave chokeat theoffposition.Figure 14. 2.) Pullstarter ropeuntilengine runs. c. REFUELED WARM ENGINE AFTER RUNNING OUT OF FUEL 1.) Pullchoke to full choke position.Figure 14. 2.) Pullstarter ropeuntilengine attempts to run 3.) Push ct'_ke tothe offposit_on.Figure14. 4.) Pull starter ropeuntilengine runs. 3. IMPORTANT POINTS TO REMEMBER a. When pulling the starter rope, do notuse thefull extentofthe ropeasthis cancausetheropetobreak. Do not letthe starterropesnap back. Holdthe handle ar,d let the roperewind slowly. b. If engine floods, letthe unitsit fora few minutes, then repeat startingprocedureusingthe half-choke position. c. Foreold weathorstarting, allowengir_ towarmuP (1-2rain.)at thehalf-cho_ position, thenmoveclio_ tothe closedpos'_ion.Do not cutwith the choke at the "full" or "haft" position. 11 TYPES OF CUTTING Hill IIII A. BASIC CUTTING II I A KICKBACK WARNING Kickbackcan occur when the moving chain contacts an object st the upper portion of the tip of the guide bar or when the wood closes in and pinches the saw chain in the cut. Contact at the upper portion of the tip of the guide barcan causa the chsin to dig into the object and stop the chain for an instant. The result is s lightning fast, reveme reaction which kicks the guide bar up and back toward the operator. If the saw chain is pinched along the top of the guide bar, the guide bar can be drivenrapidlybacktowardtheoperator. Eitherof these reactions can cause loss of saw control which can result in serious/injury. 2. UNDERSTAND REACTIVE FORCES Pinch-Kickback and Pult-ln occur when the chain is suddenly stopped by being pinched, caught, or by contacting a foreign object in the wood. This resultsina reversalofthe chainforceused to cutwood •and causesthe saw to movein theoppositedirectionof chain rotation.Either reactioncan resultin loss ofcontrotand aossible serious personalinjury. • Pinch-Kickback -- occurswhen the chain on top ofthe bar is suddenly stoppedwhen the top ofthe bar is used for cuing. -- rapidly drives the saw straight back toward the • Pull-In -can occur when the chain on the bottom of the bar is suddenly stopped. - pulls the saw rapidly forward. TREE = 12 FELLING I I I IIIlll I II I I Illl IJll TECHNIQUE 1. IMPORTANT POINTS. a. Cut wood only, Do not cut metal, plastics, ma._nr'f,non-woodbuildingmaterials,etc:Donot use yoursaw to pry or shoveawaylimbs,roots,or otherobjects. b. Stop the saw tf the chain strikes a foreign object. Inspect the unit and repair or replace parts as necessary. c. Keep the chain out of dirt and sand. Evena small amount of dirt willquick_ dull a chainand increasethe possibilityof kickbacl_ B. I 3. PROCEDURE Practk_cuttingalewsmalltogsusingthefo_wing ted-,niquetogetthe'feel" ofusingyoursawbeforeyoubegina maw sawingoperation. a. Accelerate the engine to full throttle Just before entering the cut by squeezingthe throttle trigger. b. Begin cutting thewith spur againstthe log. Figure 16 c. Run the engineat full throttle the entiretimeyou are cutting. d. Allow the chain to cut for you; exert only light downward pressure. If you force the cut, damage to the bar, chain, or engine can result. e. Release the throttle trigger as soon as the cut is completed, allowingthe engineto idle. If you runthe saw at full throttlewithouta cuttingload, unnecessary wear can occurtothe chain, bar,and engine. f. Do not put pressure onthesawat theend ofthe cut to avoid !osingcontre!when the cut iscomplete. g. Stop the engine before setting the saw down after cutting. Figure 16 TECHNIQUES PLAN YOUR SAWING OPERATION CAREFULLY IN ADVANCE a. Clear the work area. You need a clear area all around the tree where you can have secure footing. b. Study the natural conditions that can cause the tree to fall in a particular direction: 1.) The WIND directionand speed. 2.) The LEAN of the tree. 3.) WEIGHTED with BRANCHES on one side. 4.) SurroundingTREES and OBSTACLES. c. Look for decay and rot. If the trunk is rotted, itcould snap and fall toward the operator. d. Check for broken or dead branches which could fal! on you while cutting. e. Makesure there is enough room for thetreeto fall. Maintaina distance21/2tree lengths from the nearest personor other object.Engine noisecan drown out a warningcall. f. Remove dirt, stones, loose bark, nails, staples, and wire from the tree where cuts are to be made. g. Plan rostand on the up-hill side when cutting on a slope. Figure 16. h. Plan s clear retreat path to the rear and diagona! to the line of fall. Figure 17. 2. FELUNG SMALL TREES _ LESS THAN 6" IN DIAMETER a Ifyou knowthedirectionoffall: 1.) Make a single,horizontalfelling cut on the side away from the directionof the fall. 2.) Cut allLheway through. 3.) Stop the saw, put it down, and get away quicklyon yourplannedretreat path. b. If you are not sure which way the tree willfall, use the notchmethod describedfor fellinglarge trees. Rgure 17 l-t Figure 18 _,,,,,,,,,,,, , AWARNING IX) NOT CUT: near electrical wires or buildings. if you do not know the direcUon of tree fall. _ at night since you will not be able to see well. --during bad wealher _ strong wind, snow, rain, etc. 1 FELMNG LARGE OR MORE TREES --
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