IMPORTANT MANUAL Do Not Throw Away J _/AJRS Operator's Manual Model No CRAFTSMAN" 358.351240 Always ASSISTANCE Wear Eye Protection (:RAFTSMANo 3.7 cu. in./60cc 2-CYCLE ENGINE 24 Inch Guide Bar GASOLINE CHAIN SAW WARNING: READ THE OPERATOR'S MANUAL AND FOLLOW ALL WARNINGS AND SAFETY INSTRUCTIONS, FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY.
SAFETY RULES r WARNING: ALWAYS DISCONNECT SPARK PLUG WIRE AND PLACE WIRE WHERE IT CANNOT CONTACT SPARK PLUG TO PREVENT ACCIDENTAL STARTING WHEN SETTING UP, TRANSPORTING, ADJUSTING OR MAKING REPAIRS EXCEPT CARBURETOR ADJUSTMENTS. BECAUSE A CHAIN SAW IS A HIGH-SPEED WOOD-CUTTING TOOL, SPECIAL SAFETY PRECAUTIONS MUST BE OBSERVEDTO REDUCETHE RISK OF ACCIDENTS. CARELESS OR IMPROPER USE OFTHtS TOOL CAN CAUSE SERIOUS INJURY. Hearing Safety Hat Protection _..___.
SAFETY RULES OPERATEYOUR SAW SAFELY . Do not operate a chain saw with one hand.Serious injury to the operator, helpers, bystanders or any combination of these persons may result from one-handed operation. A chain saw is intended for two-handed use. - Operate the chain saw only in well-ventilated outdoor areas, - Do not operate saw from a ladder or in a tree, unless specifically trained to do soo • Position all parts of your body to the left of cut and away from the chain when the engine is running, .
SAFETY RULES Thumb On Under Si Of Handlebar Never Reverse | Hand Positi_ 11 /4 Elbow \ Stand To The Left Of The Saw Figure 4 REDUCETHE CHANCE OF KICKBACK ° Recognize that kickback can happen. With a basic understandingof kickback, you can reduce the element of surprise which contributes to accidents,, • Never let the moving chain contact any object at the tip of the guide bar. Figure 2. . Keep the working area free from obstructions such as othertrees,branches, rocks, fences, stumps,etc. Figure3.
CONGRATULATIONS on your purchase of a Sears Craftsman Gasoline Chain Saw. It has been designed, engineered and manufactured to give you the best possibte dependability and pefformance_ PRODUCT SPECIFICATIONS GUIDE BAR: .................. 24" (61cm) CHAIN: ..............................
TABLE OF CONTENTS Safety Rules ........................................................................................... 2 Customer Responsibilities .............................................................. 19 Product Specifications 5 Service and Adjustments ........................................................... 24 Warranty .............................................................................................. 5 Storage .....................................................................
CARTON CONTENTS Hex Key _J Bucking Spike Illllllll Chain Saw _,.m+ FueI/Oil Mix (Bar Oil Not included) Purchase Craftsman Bar and Chain Oil Separately _Chain ! Operator's Manual ASSEMBLY TOOLS REQUIRED • After removing the contents from the carton, check parts against the Carton Contents list. • Examine the parts for damage.
ASSEMBLY DANGER: DO NOT START THE ENGINE WITHOUT THE GUIDE BAR AND CHAIN COMPLETELY ASSEMBLED° OTHERWISE, THE CLUTCH CAN COME OFF AND SERIOUS INJURY CAN RESULT. Guide Bar Clutch Drum ALWAYS WEAR GLOVES WHEN HANDLING THE CHAIN, THE CHAIN CAN BE SHARP ENOUGH TO CUT YOU EVEN THOUGH W IS TOO DULL TO CUT WOOD. HOWTO ASSEMBLEYOUR CHAIN Mourltin_; Bolts Lower Hole SAW Figure 8 BAR AND CHAIN ASSEMBLY (Fig.6-12) , = ° = = ° = o Loosen and remove the 2 bar clamp nuts° Remove bar clamp.
ASSEMBLY • Move guide bar forward by turning the adjusting screw clockwise until chain is snug in guide bar grooves. o Now, install bar clamp making sure the adjusting pin is positioned in the lower hole in the guide bar, Install two (2) bar clamp nuts finger tight ,_ Now proceed to the "Chain Adjustment section. Guide Bar / Guide Bar t Figure t4 Adjusting Pin "__ To check chain tension: • Use the screwdriver end of the bar tool to move chain around the g[,tidebar (see Fig.
OPERATION KNOWYOUR CHAIN SAW (Fig. 16) READ THIS OPERATOR'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR CHAIN SAW.
OPERATION HOW TO USE YOUR CHAIN SAW STOPPING YOUR ENGINE . Move on/stop switch to the "Stop" position,. • If engine does not stop, pul_ btue choke knob out fully_ CHAIN OILER (Fig. 17) • The chain oiler provides continuous lubrication to the chain and guide bar_ Be sure to fill the bar oi] tank when you fill the fuel tank (Capacity = !0o4 fL oz.),, • Your chain saw will consume approximately one tank of bar oil for each tank of fuel used • Your saw is equipped with an adjustable oiler.
OPERATION BEFORE STARTING FUEL STABILIZER ENGINE Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage, Add stabilizer' to gasoline in fuel tank or storage container,. Always follow the fuel mix ratio found on the stabilizer container, Run engine at least 5 minutes after adding stabiIizer to allow the stabilizer' to reach the carburetor.You do not have to drain the fuel tank for storage if you are using fuel stabilizer.
OPERATION STOPPING YOUR ENGINE • Move on/stop switch to the "Stop" position_ ° If engine does not stop, pull blue choke knob out fuily. _lh On/Stop ON_ STOP WARNING: ALWAYS WEAR GLOVES, SAFETY FOOTWEAR, SNUG-FITTING CLOTHING, AND EYE, HEARING, AND HEAD PROTECTION DEVICES WHEN OPERATING A CHAIN SAWn THE CHAIN MUST NOT MOVE WHEN THE ENGINE RUNS AT IDLE SPEED. REFER TO THE "CARBURETOR ADJUSTMENTS" SECTION FOR CORRECTION. AVOID ANY CONTACT WITH THE MUFFLER.
OPERATION GENERAL OPERATION TIPS * • * ° Never cut with engine at partial speeds. Begin cutting with the saw chassis against the logo Keep engine at full throttle during cutting procedure_ 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. o Release the throttle trigger as soon as the cut is completed, allowing the engine to idle.
OPERATION TREE FELLING Felling Direction WARNING: IF THE TRUNK OR LIMBS ARE ROTTING, THEY CAN FALL UNEXPECTEDLY AND CAUSE SERIOUS INJURY. AS YOU MAKE YOUR FELLING CUT, IF THE SAW APPEARS TO BE BINDING, THE TREE IS STARTING TO FALL IN THE WRONG DIRECTION. IMMEDIATELY STOP THE SAW AND USE A FELLING WEDGE AND MAUL (HAMMER) TO FORCE THE FELLING CUT OPEN. THE WEDGE WILL HOLD THE FELLING CUT OPEN ALLOWING YOU TO REMOVETHE SAW. KEEP EVERYONE AWAY FROM THE TREE IN ALL DIRECTIONS.
OPERATION SAFETY FELLING SAFETY DON'T PUT YOURSELF INTHESE POSITIONS U Check the wind Don't cut down wind _hb Check the lean Don't cut on down side DOARNING: NOT CUT: - NEAR ELECTRICAL WIRES OR BUILDINGS. - IFYOU DO NOT KNOW'THE DIRECTION OF TREE FALL° - AT NIGHT. - DURING BAD WEATHER - RAIN, SNOW, STRONG WIND, ETC. - Look for decay and rot. If the trunk is rotted,it can snap and fall toward the operator..
OPERATION BUCKING BUCKING Another log as supports • Area A • Area B - Bucking is cutting a fallen tree to the desired log size,, TYPES OF CUTTING (Fig. 23) . Overcutting - begin on the top side of the log with the bottom of the saw chassis against the log; exert light pressure downward. ,, Undercutting - begin on the underside of the log with the top of the saw chassis against the log; exert light pressure upward.
OPERATION PRUNING AND LIMBING Pruning is removing branches from a standing tree, Limbing is removing branches from a felled tree° LIMBING (Fig. 27) o Start at base of the felled tree and work toward the top_ - Leave the larger limbs underneath the felled tree to support the tree as you work_ PRUNING PROCEDURE - Cut 1 - Undercut 1/3 of the way through the limb near the trunk of the tree. • Cut 2 - Finish with an overcut farther out from the trunk until the limbfalls.
CUSTOMER MAINTENANCE RESPONSIBiLITiES SCHEDULE Before Use Filt in dates as you complete regular service After Use Every Every Yearly Hrs,r 25 Hrs ,, Service Dates 5 I Check for damaged or worn parts v" Check for loose fasteners & parts v" Check chain tension ..... i , Check Chai'n"sharpness v" ....
CUSTOMER RESPONSIBILITIES CHAIN TENSION o Use the screwdriver end of the bar tool to move chain around the guide bat: ° If chain does not rotate, it is too tight - slightly loosen bar clamp nuts and turn adjusting screw 1/4 turn counterclockwise+ Retighten bar clamp nuts. , If chain is too loose, it wilf sag below the guide ban Figure 29. Sag CHAIN CUTTER PART NAMES Top Plate Gullet _--_ ' Depth Side Plate 't ., "_ _e Toe --'-_"#" Hole CHAIN "PITCH" CHAIN "GAUGE" \ This distance divided by two Thickn
CUSTOMER .030" f====_r_" RESPONSiBILITiES Squared Off Corner Rounded Corner Holder Figure 35 Wrong Way Right Way Cutters Same Length Figure 32 . To sharpen the cutters, position the file holder level (90°) so that it rests on the top edges of the cutter and depth gauge. See Figure 33 NOTE: The chain has both left and right hand cutters. - Sharpen cutters on one side of the chain first.,File from the inside of each cutter to the outside.
CUSTOMER RESPONSIBILITIES Replace the guide bar when: . the inside groove of the guide bar rails is worn. • the guide bar is bent or cracked - excess heating or burring of the rails is noted° _.
CUSTOMER RESPONSIBaLITIES YEARLY IFuel Cap IRetainer REPLACE SPARK PLUG (Fig. 42) The spark plug should be replaced each year to ensurethe engine starts easier and runs better. Spark plug gap should be .025". = Loosen and remove 4 screws on cylinder cove[. - Remove cylinder cover. • Twist, then pull off the spark plug boot. • Remove spark plug from cylinder and discard. • Replace with correct spark plug and tighten with a 3/4" socket wrench (10-12 ft-tb).. • Reinstall spark plug boot.
SERVICE AND ADJUSTMENTS CHAIN REPLACEMENT Now proceed to the "Chain Adjustment"section, (Fig. 46, 47, 48 & 49) CAUTION: Wear protective gloves when handling chain.The chain is sharp and can cut you even when it is not moving. It is normal for a new chain to stretch.Because of this initial stretch during the first 15-30 minutes of operation you should recheck your chain tension frequently and adjust the chain tension as required. See chain tension section.
SERVICE AND ADJ USTM ENTS • If chain is too loose, refer to "Chain Adjustment? Loosen bar clamp nuts; then, turn adjusting screw 1/4 turn clockwise, Lift up tip of guide bar to check for sag.,Retighten bar clamp nuts. Pultey •Screw Starter Rope Handle Bar Tool Guide Bar t I_ulley --..-----" Adjusting Screw ,/Ratchet Figure 55 • Move away from the fuel tank and melt the end of the new rope to be installed. Allow the melted end to drop once.
SERVICE AND ADJUSTMENTS - Pull out 10" of rope and catch rope in notch in the pulley • Carefully turn the pulley two complete turns clockwise, keeping the rope against the notch to wind the spring. o While holding the pulley ratchet, pull the excess rope through the starter rope hote.
SERVICE AND ADJUSTMENTS CARBURETOR ADJUSTMENTS Carburetor adjustment is critical and if done improperly can permanently damage the engine as well as the carburetor. Please read all instructions and consult the Trouble Shooting section of this manual before beginning this process° If the engine does not operate according to these instructions after repeating the adjusting steps, do not use the unit.
SERVICE AND ADJUSTMENTS HIGH SPEED MIXTURE ADJUSTMENT "H" IMPORTANT: DO NOT OPERATE ENGINE AT FULL THROTI'LE FOR PROLONGED PERIODS WHILE MAKING HIGH SPEED ADJUSTMENTS AS DAMAGE TO THE ENGINE CAN OCCUR,, ADJUSTING PROCEDURE IDLE SPEED ADJUSTMENT "T" • Allow the warm engine to idle._ • Adjust the Idle Speed until the engine continues to run without stalling and without the chain moving., - Turn clockwise to increase engine speed if engine stalls or dies.
STORAGE Immediately prepare your unit for storage at the end of the season or if it will not be used for 30 days or more IMPORTANT: it is important to prevent gum deposits from forming in essentialfuel system parts such as the carburetor,fuel filter,fuel hose or tank during storage..
TROUBLE TROUBLE SHOOTING SHOOTING CHART SYMPTOM CAUSE Engine will not start or will only run only for a few seconds after starting. 1._Fuel tank empty. 2_ Engine flooded. 3. Spark plug not firing. 4. Fuel not reaching carburetor. 5 Carburetor requires adjustment. 6 Stop switch off.. 7. None of the above. Engine will not idle properly 1. Idle speed set too fast or' too SLOW. 2 Low speed mixture requires adjustmenL 3. Crankshaft seals worn. 4 Compression low. 5. None of the above.