Sears 358.79828 User's Manual
Contents
1. Very smali adjustments can affect engine perlormance H is important to turn the screw a very small amount per adjustment and test performance betore making further adjustments Each adjustment should be no more than the width of the slot in the adjusting screw e Turn both of the mixture screws marked H and L clockwise until they stop Do not force the screws as damage can occur Then turn each screw one 1 full turn counterclockwise PREVENT TRIMMER HEAD FROM CON TACTING ANY OBJECT HOLD UNIT WITH OBSERVE ALL SAFETY PRECAUTIONS h IN LOW SPEED MIXTURE ADJUSTMENT RECHECK IDLE SPEED AFTER EACH ADJUSTMENT THE TRIMMER HEAD MUST e Troubleshooting section of this manual before beginning e Tum idle speed screw T clockwise 1 2 turn e Start the engine and operate for ten 10 minutes to warm up Go to Adjusting Procedure ADJUSTING PROCEDURE Engine operating speeds Maximum operating speed 11 000 RPM IDLE SPEED ADJUSTMENT e Allow the warm engine to idle Adjust the Idle Speed Screw until the engine continues torun without stalling and without the blade or semi automatic head tuming 7 Turn screw clockwise to increase engine speed if engine stalls or dies i ree Tum screw counterclockwise to slow engine down and or to keep the blade or trimmer head fromtuming e No further adjustments are necessary if blade or trim mer head does not turn2. 02 0eeseeeeeeeee E CC Spark Plug EE 21 Spark Arrestor Screen 0 cence cece cues 6 21 SIAMING 2 ke eee eee eee ee cee HEED 19 Spechications EENG 4 a gelo cE ee de 26 Starting EE E 19 F Storage 050 eer 25 Piling Blades E 23 T PUEN 21 0 eee cece eee ee entree eee 18 26 Throttle Handle geg bereest 6 12 SC G Trouble Shooting e 26 Gearbox Lubrication ee 20 WwW Ge H Warranty EE 4 Handlebar ee e e wares g a Sr hee a EAE r a s 6 42 oa ACCESSO RIES These accessories and attachments were available when the unit was originally purchased They are also available at most Sears retail outlets and service centers Most Sears stores can order these items for you when you pore the mode number of our unit Accessories Safety 2 exit Manual Saw Blade Goggles Cutting Head 32 SEARS CRAFTSMAN 36 cc 2 2 cu in 2 CYCLE 5 Operators 16 5 in Dual Line Head 10 0 in Brush Tri blade 8 75 in Sapling Saw Blade GAS BRUSHWACKER Model No 358 798280 Each Gas Brushwacker has its own model number The model number for your unit will be found on a decal attached to the unit U ees EE Gerbe WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOL a LOWING INFORMATION REPAIR SERVICE e PRODUCT GAS BRUSHWACKER 1 800 4 REPAIR e MODEL NUMBER 358 798280 i iil ace NUMBER ORDERING PARTS e PART DESCRIPTION 1 800 FON PART Your Sear
3. Gasoline and oi must be premixed in a clean approved fuel container Always use fresh regular unleaded gasoline This engine has been certified to operate on unleaded l gasoline IMPORTANT Experience indicates that alcohol blended fuels called gaschol or using ethanol or metha nol can attract moisture which leads to oil gas separa tion and formation of acids during storage Acidic gas can damage the fuel system of an engine while in stor age To avoid engine problems the fuel system should be emptied before storage for 30 days or longer Drain the gas tank then run the fuel out of the carburetor and fuel lines by starting the engine and letting it run until it Stops Use fresh fuel next season See STORAGE instructions for additional information Never use engine or carburetor cleaner products in the fuel tank or perma nent damage may occur FUEL STABILIZER 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 stabilizer 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 CRAFTSMAN 40 1 2 cycle engine oil Is specially blended With fuel stabilizers if you do not use this Sears oil you can add a fuel stabilizer
4. REPLACE SPARK PLUG Fig 31 _ The spark plug should be replaced each year to ensure the engine starts easier and runs better Spark Plug gap should be 020 Loosen 4 screws from cylinder cover with hex key Remove cylinder cover e Pull off the spark plug boot Remove and discard the spark plug from the cylinder e Replace with correct spark plug and tighten with blade A nut spark plug wrench 10 12 lb ft Cover spark plug with spark plug boot Replace the cylinder cover making sure the muffler guard interlocks with the crank case assembly Insert 4 screws and tighten securely s INSPECT MUFFLER AND SPARK ARRESTOR SCREEN IF INSTALLED As the unitis used carbon deposits build up on the muffler and spark arrestor screen if installed and must be re _ moved to avoid creating a fire hazard or affecting engine performance Required cleaning is every 10 hours of operation Replace the spark arrestor screen if breaks occur CLEANING THE SPARK ARRESTOR SCREEN e Disconnect the spark plug wire e Remove the spark arrestor screen Refer to the Spark Arrestor Screen Assembly section of this manual Clean the spark arrestor screen with a wire brush or re piace if breaks are found in the screen s Reassemble parts Refer to the Spark Arrestor Screen Assembly section of this manual Joh SERVICE AND ADJUSTMENTS DUAL LINE REPLACEMENT WARNING TRIMMER HEAD PARTS THAT
5. short Sleeves Being fully covered helps to protect you from pieces of toxic plants thrown by the blade or cutting head Secure hair so it is above shoulder fength Secure loose clothing or clothing with loosely hanging ties straps tas sels etc they can be caught in moving parts Do not operate this unit when you are tired ili or under the influence of alcohol drugs or medication Always use the handiebar and a properly adjusted shoulder strap Refer to Assembly and Operation Do not swing the unit with such force that you are in danger of losing your balance Never start or run the engine inside a closed room or building Breathing exhaust fumes can kill Keep handles free of oil and fuel UI SAFETY inspect the entire unit before each use Replace damaged parts Check for fuel leaks and make sure all handles guards and fasteners are in place and secure Be sure the metal blade shield is properly attached The metal blade shield must be installed for all blade usage e ae Refer to Trouble Shooting Chart Make carburetor adjustments with the drive shaft housing supported to prevent the blade from contacting any object Hold um by hand do not use harness for support Keep others away when making carburetor adjustments SW Have all maintenance and service not explained in this manual performed by a Sears Service Center Use only Sears blades and acc
6. such as Craftsman No 33500 to your fuel tank BE SURE TO READ THE FUEL SAFETY INFORMATION IN THE SAFETY RULES 2 CYCLE OIL CRAFTSMAN 40 1 2 cycle oil is strongly recommended This oil is specially blended with fuel stabilizers for increased fuel stability extends fuel life up to 5 times RA and reduced smoke lf CRAFTSMAN 2 cycle oil is not BE EC use a good quality 2 cycle AIR COOLED engine oil that has a recommended fuel mix 40 1 IMPORTANT Do not use AUTOMOTIVE OIL BOAT OILS NMMA BIA etc These oils do nothave proper additives for 2 cycle AIR COOLED engines and can cause engine damage GASOLINE AND OIL MIXTURE Mix gasoline and oil as follows Consult chart for correct quantities e Do not mix gasoline and oil directly in the fuel tank FOR ONE GALLON e Pour 3 2 ounces of high quality Bae engine oil into an empty approved one gation gasoline contain er l e Add one gallon of regular unleaded gasoline to the gallon container then securely replace the cap __ Shake the container momentarily S The mixture is now ready tor use Fuel stabilizer can be added atthis time if desired follow mixing instruc tions on the label FUEL MIXTURE CHART 40 1 Fuel Oil Mix Ratio Gasoline E Oi fi oz 1 gallon 3 2 1 25 gallons 49 2 5 gallons 8 0 NOTE One gallon fuel containers will hold more than one gallon If too much gasoline is in the container the result
7. 2 years from the date of purchase when this Craftsman Gas Powered Brushwacker is maintained lubricated and tuned up according to the operating and maintenance instructions in the owner s manual Sears will repair free of _ charge any defect in materials or workmanship i 1 This ui plas excludes blade nylon line spark plug and air fitter which are expendable parts and become worn during normal use d If this Brushwacker is used for commercial purposes this warranty applies for only 90 days from the date of purchase H this Brushwacker is used for rental purposes this warranty applies for only 30 days from the date of purchase This warranty applies only while this product is in use in the United States WARRANTY SERVICE IS AVAILABLE BY RETURNING THE BRUSHWACKER TO THE NEAREST SEARS SERVICE PRODUCT SPECIFICATIONS CUTTING PATH TRIMMER UNE SAPLING BLADE BRUSH BLADE ENGINE FUEL OIL MIX RATIO IGNITION Weise IGNITION TIMING SPARK PLUG TYPE SPARK PLUG GAP MUFFLER ENGINE APM BLADE NUT TORQUE SHIELD SCREWS gine be constructed equipped This warranty gives you specific legal rights and you may also have other rights which vary from state to state SEARS ROEBUCK AND CO 0 817WA HOFFMAN ESTATES IL_60179 a aa aa aaa ee eel eee ee ee ee a a
8. ARE CHIPPED CRACKED BROKEN OR DAMAGED IN ANY OTHER WAY CAN FLY APART AND CAUSE SERIOUS INJURY DO NOT USE REPLACE DAMAGED PARTS BEFORE USING THE UNIT THE LINE SAVER MUST BE INSTALLED ONLY FROM THE INSIDE OF THE TRIMMER HEAD IF INSTALLED ON THE OUTSIDE OF THE TRIMMER HEAD THE LINE SAVER CAN FLY OFF AND BECOME A DANGEROUS MISSILE USE ONLY 095 DIAMETER GOOD QUALITY LINE NEVER USE WIRE ROPE STRING ETC USE ONLY SPECIFIED SEARS REPLACEMENT PARTS USE OF OTHER BRANDS OF REPLACEMENT PARTS CAN CAUSE DAMAGE TO YOUR UNIT OR INJURY TO THE OPERATOR OR OTHER DAMAGE INJURY CAUSED BY USE OF ACCESSORIES ATTACHMENTS NOT SPECIFICALLY RECOMMENDED BY SEARS WILL NOT BE REIMBURSED Figure 32 IMPORTANT ALWAYS CLEAN DIRT AND DEBRIS FROM SPOOL AND HUB WHEN PERFORMING ANY TYPE MAINTENANCE IMPORTANT IF LINE SAVER FALLS OUT REINSTALL IT FROM THE INSIDE OF THE TRIMMER HEAD INSTALLING SPOOL WITH LINE ALREADY WOUND Fig 32 33 34 35 amp 36 NOTE The line saver can become worn during use After a groove is worn into line saver remove H from the hub turn it upside down and reinstall At with spool SO ie removed to provide a new wear surface Insert the locking pin in the gearbox hole while rotat 1 ing the cutting head until it locks s Use spark plug wrench clockwise to loosen the cut ting head nut s Pull apart the cover and hub It may be diffic
9. INSTALLING THE BRUSH TRI BLADE _SeeFig 10 amp 11 NOTE The blades in figures 10 amp 11 are shown without the blade transport storage cover for clatity _ Before installing the brush tri blade make sure the driving 3 disk is in place on the gear box e Piace brush tri blade onto support flange making sure the hole in the center of the blade is fitted around the raised center step on the suppoit flange gt Place support flange and blade onto arbor shaft The blade should not move from side to side e insert locking pin through the gearbox and driving disk This wilt lock the driving disk and prevent the arbor shaft from turning while you tighten the aut Begin threading the nut counterclockwise onto the end of the arbor shaft e While holding locking pin in place tighten the nuton the arbor shait counterclockwise using the blade nut spark plug wrench 20 35 ib ft X Locking Pin Arbor Shaft SS e Brush Tri Blade Sa Driving Disk CED ea Nut Support Flange Figure 10 Locking Pin Ki Metal Blade Shiela Blade Figure 11 aie ae oe eke CA o ate ee Eu ech At e ee AO aoe at nee eid Ser ECS oe t OR SN SE A em A er E E EECH At 8k E A ASSEMBLY SAW BLADE CONFIGURATION Cutting Line Head and Brush Tri Blade configurations are See before this section DANGER THE METAL BLADE SHIELD MUST BE PROPERLY INSTALLED ON THE UNIT ANYTIME
10. UNIT WILL THROW OBJECTS AND CUT KEEP OTHERS INCLUDING CHILDREN ANI _ MALS BYSTANDERS AND HELPERS AT LEAST 50 FEET 15 METERS AWAY FROM THE ORERATOR AND UNITS STOP THE ENGINE AND BLADE IMMEDIATELY IF YOU ARE APPROACHED IN AREAS WHERE OTHER PEOPLE AND ANIMALS ARE PRESENT SUCH AS NEAR SIDEWALKS STREETS HOUSES ETC IT IS STRONGLY RECOMMEND ED THAT THE OPERATOR USE THE BUDDY SYSTEM THAT IS HAVE ANOTHER PERSON SERVE AS A LOOK OUT KEEPING HIMSELF AND OTHERS AT LEAST 50 FEET 15 METERS AWAY FROM THE OPERATOR 100 Foot 30 meters azard Zone Stop Coasting Blade by Contact with Cut material COASTING BLADE THE BLADE CONTINUES TO SPIN AFTER THE ENGINE IS STOPPED OR THE THROTTLE IS RELEASED THE COASTING BLADE CAN THRUST THROW OBJECTS OR SERIOUSLY CUT YOU IF ACCIDENTALLY TOUCHED STOP THE _ BLADE BY LEAVING IT IN CONTACT WITH MATERIAL ALREADY CUT USE THE 9 O CLOCK POSITION AS THE POINT OF CONTACT PERATOR SAFETY Always wear eye protection when operating servicing or performing maintenance on your unit Refer io i lt a fastened Refer to Assembly Make sure the blade is pr operly installed and securely k Be sure the blade stops tutning when the engine les Accessones _Always wear long pants long sleeves boots and gloves Wearing safety leg guards is recommended Do not go barefoot or wear sandals jewelry short pants
11. a cold engine and brushy vines up to 1 2 inch in diameter The THROTTLE LOCKOUT prevents the THROTTLE The SAW BLADE is designed to cut grass weeds and TRIGGER from being squeezed accidentally woody brush and small trees up to 2 1 2 inches in diameter ree be OPERATION STOPPING YOUR ENGINE Move engine switch to the STOP position H engine does not stop move the choke lever upward Full Choke SHOULDER HARNESS Fig 16 WARNING WHEN WORKING WITH A BRUSHWACKER IT SHOULD ALWAYS BE HOOKED TO A Suspension SHOULDER HARNESS IF NOT YOU CAN NOT CONTROL THE BRUSHWACKER SAFELY WHICH CAN CAUSE INJURY TO YOURSELE OR OTHERS Place hamess on the shoulders with the latch on the chest the Danger Sign on the back and the hook on the tight thigh The hook should besroughly 15 G8er ae a k 5 above your knee or 6 15cm below the waist Attach hook through one of the esp emir Aholes on the outer housing and adjust the shoulder hamess for bal ance so the blade or dual fine head is level with the ground Tension the side belts so thatthe weight is evenly distrib uted across your shoulders A properly adjusted shoulder strap will support the entire weight of the unit freeing your arms and hands to guide and control the cutting motion Latch Hook through Hole BLADE TRANSPORT STORAGE COVER Fig 17 e Turn off the engine before installing the blade transport storage
12. at idle speed and if perfor Figure 39 LOW SPEED MIXTURE ADJUSTMENT e Allow engine to idle SE e Tum the Low Speed Mixture Screw slowly clockwise until the RPM Starts to drop Note the position e Turn the Low Speed Mixture Screw slowly counter clockwise until the RPM speeds up and starts to drop again Note the position e Set the Low Speed Mixture Screw at the midpoint between the two positions HIGH SPEED MIXTURE ADJUSTMENT IMPORTANT DO NOT OPERATE ENGINE AT FULL THROTTLE FOR PROLONGED PERIODS WHILE MAKING HIGH SPEED ADJUSTMENTS AS DAMAGE TOTHE ENGINE CAN OCCUR Make a test cut in grass Based on performance of the unit while cutting adjust the high speed mixture screw in 1 16 tum increments as follows Clockwise if unit smokes or loses power while cutting Do not adjust for best power by sound or speed but judge by how well the unit performs during operation Counterclockwise if the unit has speed while not cut ting but dies or lacks power while cutting Repeat the test cut in grass RK s Continue with 1 16 turn adjustments until the unit per formance is acceptable while cutting After completing adjustments check for acceleration If unit accelerates properly no further adjustments are necessary H not proceed to acceleration check ACCELERATION CHECK s If the engine dies or hesitates instead of accelerating tum the Low Speed Mixture Screw 1 16 of a
13. cover over the blades e Attach the blade transport storage cover over the blade which may be on or off of the unit KS Tri Blade Saw Blade Figure CS HANDLEBAR ADJUSTMENT Figure 18 jo e Tum the engine off before adjusting handlebar e Put on shoulder harness and hook on the unit e Adjust the handlebar by slightly unthreading the thumb screw and rotating the handlebar forward or backward Ensure the mounting brackets remains between the ar rows on the handlebar e Tighten the D screw before starting the engine Thumb I Mounting Brackets 4 Figure 18 THROTTLE TRIGGER amp LOCKOUT Fig 19 The throttle trigger controls engine speed At idle acen trifugal clutch automatically disengages the blade duat line head fromthe engine The blade dual line head will coast to a stop e The throttle lockout must be depressed before the throttle trigger can be depressed Also the throttle lock out prevents unintentional activation of the throttle trig ger Figure 19 12 a OPERATION SAFETY 3LADE SAFETY WARNING THROWN OBJECTS THE RAPIDLY MOVING BLADE CAUSES OBJECTS TO BE THROWN VIOLENTLY THE SHIELD WILL NOT PROVIDE COMPLETE PROTEC TION TO THE OPERATOR OR OTHERS THE OPERATOR MUST WEAR A SAFETY FACE SHIELD OR GOGGLES ALWAYS WEAR SAFETY LEG GUARDS AND BOOTS Face KEEP OTHERS AT LEAST 50 FEET 15 METERS AWAY Shield Leg Guards HAZARD ZONE THIS
14. push lock button in on dual line head fi f f REN Arrel E oewaen th left hand and tum blue ting on dual line head counter 1 eons i REMEMBER ockwise d Keep dual fine head 3 inches yee CH i above the aa ee ii LIS f ground while z di trimming TRIMMING ees 2 e SCALPING The scalping technique removes un wanted vegetation Allow the tip of the line to strike rly around trees KE monuments etc This tech Figure 21 PERATING USE TIPS ig 22 23 24 25 amp 26 8 Ui uk 2 de A a i 1 WARNING USE MINIMUM SPEED AND DO NOT CROWD THE UNE WHEN CUTTING AROUND HARD OBJECTS ROCK GRAV EL FENCE POSTS ETC WHICH CAN DAMAGE THE DUAL LINE HEAD BE COME ENTANGLED INTHE LINE OR BE THROWN CAUSING A SERIOUS HAZARD ALWAYS WEAR EYE PROTECTION NEV ER LEAN OVER THE DUAL LINE HEAD Figure 24 conventional lawn mowers cannot reach Keep the line parallel to the ground To avoid scalping the ground and sun the unit do not press duaf line head into groun d BLINDNESS OR OTHER SERIOUS i The line will easily remove grass and weeds from around walls fences trees and flower beds but it also can cut the tender bark of trees or shrubs and scar fences To help avoid damage especially to delicate vegetation or trees with tender bark shorten line to 4 5 inches and use ie o SE SE GE at partial throttle Figure 25 The tip of the line does the cutting You will
15. turn at a time counterclockwise until you have smooth acceleration e Check the idie speed for stability and that the blade or trimmer head does not tum Adjust as necessary e Recheck for smooth acceleration and stable idie Repeat process as necessary for acceptable perfor mance Pee STORAGE mmediately p yp repare your unit for storage at the end of the eason or if it will l not be used for 30 days or more WARNING SECURE THE UNIT BEFORE STORING OR TRANSPORTING IT IN A VEHICLE STORE UNIT AND FUEL IN AN AREA WHERE FUEL VAPORS CANNOT REACH SPARKS OR OPEN FLAMES FROM WATER HEATERS ELECTRIC MOTORS OR SWITCHES FURNACES ETC STORE UNIT WITH ALL GUARDS IN PLACE POSITION SO THAT ANY SHARP OBJECT SUCH AS BLADES CANNOT ACCIDENTALLY CAUSESINJURY TO PASSER BY STORE THE UNIT OUT OFTHE REACH OF JE CHILDREN AS TRIMMER BRUSHCUTTER STORAGE INSTRUCTIONS your trimmer brushcutter i is to be stored for a period of ne clean it thoroughly prior to storage Remove any dirt ave oil grease etc Store in a clean dry area Clean the entire unit Clean air filter Refer to Customer Responsibilities Open the dual line head assembly and clean any dirt grass or debris that has collected Inspect the cutting line if old chalky look and sticky to the touch remove and discard Install fresh newline the next time product is to be used Lightly oil extern
16. 00601 503 142902 502 216501 502 189801 530 037357 505 305 125 502 218303 REPAIR PARTS SEARS BRUSHWACKER MODEL 358 798280 CARBURETOR ASSY PART NO 503 281505 o Included in Gasket Set Choke Shaft Spring Inlet Needle Valve Pad Inlet Fitting Fuel Inlet Screen Screw Incl Washer Pump Diaphragm Fuel Pomp Gasket Screw Screw Screw Throttle Lever Throttle Shaft Spacer Metering Diaphragm Metering Diaphragm Gasket Metering Lever Spring Welch Plug Inlet Valve Seat Spring 504 210050 503 612301 503 612401 f 505 316745 501 468701 f 502 213301 502 213401 502 213801 501 687801 503 104701 503 581501 502 114602 503 804601 Idle Adjustment Screw Gasket Set Incl 12 13 20 amp 21 Nozzle NOT SHOWN Spark Plug Wrench Locking Pin Hex Key Screwdriver Oi Warning Decal Danger Warning Decal Instruction Decal REPAIR PARTS SEARS BRUSHWACKER MODEL 558 798280 e aes Ge 503 810101 Blade Transport Storage Cover 02 274803 Plastic Shield Incl Line Limiter 4 502 175804 255mm Weed Blade 305 225mm Brush Blade Harness Assy Complete Metal Shield Brushcutter use Operator s Manual 503 799301 530 082400 503 811501 Shield Support Plate 31 TABLE OF CONTENTS Safety Rules 2 Ser
17. 3 161302 Clutch Assembly Complete 502 197101 Nut 503 200230 Screw 502 217003 are Bracket Incl 16 502 215701 Clutch Hub 502 219301 Thumb Screw 503 521203 Washer l 725 238171 Screw 502 211101 Drive Shaft amp Housing Assy 503 098302 ca Switch Gncl 37 502 199301 Spri 502 212901 Gearbox Plug 502 199104 Throttle Handle right side 502 031003 Support Flange 503 210738 Screw 502 045501 Nut ai ae 4 502 196002 Handlebar Incl 14 amp 20 502 194601 502 211201 Clip 503 200225 502 204901 Clp 502 185001 Gearbox Assy act 30 502 217003 Mounting Bracket nel 5 502 193601 Gearbox Seal 502 199002 Throttle Handle left side 502 211101 Drive Shaft amp Housing Assembly 502 199203 Throttle Trigger ba ct Qnel 29 502 199403 Throttle Trigger Lock 731 231401 Nut 502 199702 Handle Grip 503 200230 Screw 503 210725 Screw ENGINE 502 218401 502 1938601 502 208302 502 206501 502 208402 732 211401 502 198501 503 210747 502 088301 501 278201 503 578901 503 281505 502 198401 502 212301 502 210601 530 014199 725 537255 503 226301 502 215304 502 212701 502 212801 502 208201 902 208801 503 214425 502 2 13602 Cylinder Cover Air Filter Screw Choke Lever Nut Air Filter Housing ew O Ring Gasket Fuel Cap Retainer Carburetor Assy I
18. C sharpening Throw away any blade that is not at File or grind each edge in the same manner to maintain a balanced blade Balance can be checked by hanging the biade on a nail at two positions 90 de grees apart if the blade rotates at any time then it is not balanced therefore file the heavier edge if abnormal vibration occurs after blade sharpen ing stop the unit remove the blade from the unit and recheck blade balance File or Grind Each Edge in the Same Manner to Maintain a Balanced Blade Figure 38 SERVICE AND ADJUSTMENTS CARBURETOR ADJUSTMENTS Carburetor adjustment is critical and if done improperly can permanently damage the engine as well as the car buretor Please read all instructions and consult this process if engine does not start it may be flooded If in doubt read the section on flooded engine in the starting section of this manual prior to beginning any adjustments if you are unsure about adjusting the carburetor or expe rience any problem while attempting this process please call the 7 800 number listed on the front cover of this manual for further assistance The carburetor has been adjusted at the factory for sea level conditions Adjustments may become necessary if the unit is used at significantly higher altitudes or if you notice any of the following conditions e Blade or trimmer head moves when the engine runs at ie speed See Idle S
19. EPLACE DAMAGED PARTS BEFORE USING THE UNIT s Always wear eye protection when operating servicing e or performing maintenance on your unit Refer to Ac cessories Do not operate this tool when you are tired ill or under the influence of alcohol drugs or medication Always wear long pants long sleeves boots and gloves Wearing safety feg guards is recommended Do not go barefoot or wear sandals jewelry short pants short sleeves Being fully covered helps to protect you from pieces of toxic plants thrown by the blade or cutting head Secure hair so it is above shoulder length Secure loose clothing or clothing with loosely hanging ties serie tas ger of losing your balance Never start or run the engine Inside close oO or building Breathing exhaust fumes can kill Keep handles free of oi and fuel CUTTING SAFETY _ Inspect the area to be cut before each use Remove objects rocks broken glass nails wire string etc which can be thrown or become entangled in the dual fine head Oe pg e a Always use the shoulder hamess Always keep the engine on the right side of your body Hold the tool firmly with both hands Keep firm footing and balance Do not over reach Keep the trimmer head below waist level Do not raise the engine above your waist Keep ail parts of your body away from the dual line head and mufiler when engine is running Use only for jobs explained in this ma
20. IS CALLED BLADE THRUST2AS A RESULT THE OPERATOR CAN LOSE CONTROL OF THE UNIT USE HANDLEBAR SHOULDER HARNESS AND KEEP METAL BLADE SHIELD IN PLACE MAKE vy SURE OTHERS ARE ATLEAST 50 FEET 15 METERS AWAY YOUR RIGHT TO LEFT KEEP HANDS FEET AND UNIT IN PROP __ ER POSITION REFER TO GUARD AGAINST BLADE THRUST ARBOR MANUFACTURER FOR USE WITH THIS UNIT BLADES THAT ARE BENT WARPED CRACKED BROKEN OR DAMAGED CAN FLY APART AND CAUSE SERIOUS INJURY DO NOT 8 3 4 Saw Blade 10 Brush Tri Blade USE THROW AWAY BLADE THRUST IS a reaction that only occurs REDUCE THE CHANCE OF BLADE THRUST when using a bladed unit This reaction can cause PROPER BLADE USE ONLY THE 8 3 4 INCH SAW BLADE OPENING OR 10 INCH BRUSH TRI BLADE AND PROPER HARDWARE JB CN AS SHOWN THE USE OF ANY OTHER PARTS CAN RESULT et 20mm K IN SERIOUS INJURY DO NOT USE ANY ACCESSORY OR aa ATTACHMENT OTHER THAN THOSE RECOMMENDED BY THE serious injury such as amputation Carefully study Cut vegetation up to 2 1 2 diameter saplings with this section It is important that you understand what _ saw blade causes blade thrust how you can reduce the chance Cutonly grass weeds and woody brush up to 1 2 in of it occurring and how you can remain in control of diameter with the brushitti blade Donotletthe blade the unit if blade thrustoccurs contact material it cannot cut such as stumps rocks WHA
21. LYING APART AFTER SHARP ENING DO NOT FILE WITHIN 1 4 INCH OF THE RADII SHOWN SA NE LIMITER When the cutting edge on one side becomes dull turn the blade over SECH When both sides of cutting edges become dull sharp en with a flat file The line limiter can be sharpened _ while attached to the plastic line trimmer shield Avoid damage to the plastic shield whilesharmeningthe limiter blade The 3 point 10 inch blade is reversible When the cutting edge on one side becomes duli tum the blade over When both sides of cutting edges becorne dull the blade may be resharpened _ l Check blades for flatness periodically Lay the biade on a flat surface and inspectihe blade for flatness SEH sharpening Throw away any blade that isnot t File or grind each edge in the same manner to maintain a balanced blade Balance can be checked by hanging the blade on a nail at three positions allow ing each point to face north If the blade rotates atany time itis not balanced therefore file the heavier edge H abnormal vibration occurs after blade sharpen Top stop the unit remove the blade from the unit and recheck blade balance a ae File or Grind Each Edge in the Same Manner to Maintain a Balanced Blade Figure 37 SAW BLADE SHARPENING Fig 38 Check blades for flatness periodically Lay the blade ona flatsurface and inspect the blade forfiatness S
22. OWNERS MANUAL SAFETY RULES DANGER _ THIS POWER UNIT CAN BE DANGEROUS THIS UNIT CAN CAUSE SERIOUS INJURY OR BLINDNESS TO THE OPERATOR AND OTHERS THE WARNINGS AND SAFETY INSTRUCTIONS IN THIS MANUAL MUST BE FOL LOWED TO PROVIDE REASONABLE SAFETY AND EFFICIENCY IN USING THIS UNIT THE OPERATOR IS RE SPONSIBLE FOR FOLLOWING THE WARNINGS AND INSTRUCTIONS IN THIS MANUAL AND ON THE UNIT READ THE ENTIRE OPERATOR S MANUAL BEFORE ASSEMBLING AND USING THIS UNIT RESTRICT THE USE OF THIS POWER UNIT TO PERSONS WHO READ UNDERSTAND AND FOLLOW THE WARNINGS AND INSTRUCTIONS IN THIS MANUAL AND ON THE UNIT BLADE CAN THRUST VIOLENTLY AWAY FROM MATER IAL IT CANNOT CUT BLADE THRUST CAN CAUSE AMPUTATION OF ARMS OR LEGS KEEP PEOPLE AND ANIMALS 50 FEET 15 METERS AWAY BLADE E THRUST _ WARNING Ce Bae se Guards BLADE TRIMMER LINE CAN THROW OB JECTS VIOLENTLY YOU CAN BE BLINDED OR INJURED WEAR EYE AND LEG PROTEC mt TION ee Eye Protection vi 100 Foot aie Ae 30 meters HAZARD ZONE FOR THROWN OBJECTS Hazard Zone BLADE TRIMMER LINE CAN THROW OB JECTS VIOLENTLY OTHERS CAN BE BLINDED OR INJURED KEEP PEOPLE AND ANIMALS 50 FEET OS METERS AWAY Stop Coasting Blade By Contact With Cut Material BLADE COASTS AFTER THROTTLE RE pe LEASE THE BLADE CAN SERIOUSLY CUT Blade YOU OR OTHERS STOP BLADE WITH CUT Coasts MATERIAL READ OPERATOR S MANUAL FOLLOW ALL WARNINGS AND INSTRUCTIONS FAILU
23. RE TO DO SO CAN RESULT IN SERIOUS INJURY Operator s Manuat _ MODEL NUMBER e Foliow the CONGRATULATIONS on your purchase of a Sears has been designed engineered and manufactured to give you the best Craftsman Brushwacker H possible dependability and performance _ Should you experience any problems you cannot easily remedy please contact your nearest Sears Service Center Department Sears has competent well trained technicians and the proper tools to service or repair this unit 3 Please read and retain this manual The instructions will enable you to assemble and maintain your unit properly _ Always observe the SAFETY RULES 358 798280 SERIAL NUMBER DATE OF PURCHASE THE MODEL AND SERIAL NUMBER WILL BE FOUND ON A DECAL ATTACHED TO THE PRODUCT YOU SHOULD RECORD BOTH SERIAL NUMBER AND DATE OF PURCHASE AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE MAINTENANCE AGREEMENT A Sears Maintenance Agreement is available on this product Contact your nearest Sears Store for details CUSTOMER RESPONSIBILITIES Read and observe the safety mules e Follow a regular schedule in maintaining caring for and using your unit instructions under Customer Responsibilities and Storage sections of this Operator s Manual CENTER IN THE UNITED STATES FULL TWO YEAR WARRANTY ON CRAFTSMAN GAS POWERED BRUSHWACKER BLADED TRIMMER For two
24. S WHILE WORKING WITH BLADES gt RE INSTALLATION the plastic fine trimmer shield is installed on the unit you ust first remove the dual line cutting head before instal ig the blade support flange pn and metal blade shield To remove See Figure 7 place locking pin through the gearbox and driving disk to prevent the arbor shaft from turning and remove the dual line head by turning clock wise with blade nut spark plug wrench Save parts re moved for future use Remove 4 screws with hex key holding the plastic line trimmer shield Save these 4 screws for installation of the metal blade shield ou baue already configured your unit for Saw Blade use MI have already installed the meta blade shield and ou remove the saw blade and go directly to Installing e Brush Tri Blade ISTALLING THE METAL BLADE SHIELD ee Fig 8 Hiace metal blade shield on the gearbox and align four screw holes lace the shield support plate under the blade guard Pri and align the four screw holes Secure the metal blade shield using the 4 mounting screws provided ghten evenly 70 fb in minimum using hex key pro ded in loose parts bag Shield Support Plate N etai Driving Blade Shield Figure 8 BLADE TRANSPORT STORAGE COVER See Figure 9 The blade transport storage cover should always be used when handling either blade Brush Tri Blade Saw Blade Figure 9
25. T CAUSES BLADE THRUST _ fences metal etc or clusters of hard woody brush _ Blade Thrustcan occur when the spinning blade con _ having a diameter greater than 2 1 2 inches tacts an object that it does not cut This contact Keep the blade sharp A dull blade is more likely to causes the blade to stop for an instant and then sud snag and thrust denly move or thrust away from the object that was e Cutonly at full throttle The blade has maximum cut hit The thrusting reaction can be violent enough to ting power at full throttle and is less likely to bind or cause the operator to be propelled in any direction stall and lose control ofthe unit The uncontrolled unitcan s Feed the blade deliberately and nottoo rapidly The See regs injury if the blade contacts the opera biade can thrust away if it is fed too rapidly or or others e Cut only from your right to your left WHEN DOES BLADE THRUST OCCUR Blade thrust can occur without waming if the blade snags stalls or binds This is more likely to occur in areas where tt is difficult to see the material being cut By using the unit properly the occurrence of blade thrust will be reduced and the operator will be less likely to lose control The forward tip on the metal blade shield helps to re duce the occurrence of blade thrust but cannot pre vent the occurrence The operator must follow all warnings and safety instructions in this manual to lessen the
26. THE UNIT IS USED WITH THE BLADE THE FORWARD TIP ON THE MET AL BLADE SHIELD HELPS TO REDUCE THE OCCURRENCE OF BLADE THRUST WHICH CAN CAUSE SERIOUS INJURY SUCH AS AMPUTATION TO THE OPERA TOR OR BYSTANDERS THE BLADES ARE SHARP AND CAN CUT YOU BE SURE TO WEAR GLOVES WHILE WORKING WITH BLADES PRE INSTALLATION lf the plastic line trimmer shield is installed on the unit you must first remove the dual line cutting head before instal ling the blade support flange nut and metal blade shield e To remove See Figure 7 place locking pin throughthe gearbox and driving disk to prevent the arbor shait from tuming and remove the dual line head by turning clock wise with blade nut spark plug wrench Save parts re moved for future use e Remove 4 screws with hex key holding the plastic line trimmer shield Save these 4 screws for installation of the metal blade shield e Goto Installing The Metai Blade Shield before proceed ing Ifyou have already configured your unit for brush tri blade use you have already installed the metal blade shield and should remove the brush tri blade INSTALLING THE SAW BLADE See Fig 12 13 amp 14 NOTE Theblades infigures 12214 are Shown without the blade transport storage cover for clarity Before installing the blade make sure the je anny isk is in Poors no loose parts _ place on the gear box IMPORTANT WHEN INSTALLING THE SA
27. W BLADE THE ARROW ON BLADE SHOULD POINT IN THE DIRECTION INDICATED Piace saw blade onto support flange making sure the hole in the center of the blade is fitted around the raised _ center step on the support flange Place support flange and blade onto arbor shaft The blade should not move from side to side Insert locking pin through the gearbox and driving disk This will lock the driving disk and prevent the arbor shaft from tuming while you tighten the nut e Begin threading the nutcounterclockwise onto the end of the arbor shaft which is a left hand thread To tighten turn counterclockwise to loosen turn clockwise While holding locking pin in place tighten the nut on the arbor shaft counterclockwise using the blade nut spark plug wrench 20 35 tb ft CHECK LIST Saw Blade Arbor Shaft Driving Disk Locking Pin Metal Blade l az Aroor arent E Be e Deg Blade SS Flange p lt Nut Figure 13 Locking Pin Shield Metal Blade gt e wv Sg Counterclockwise A Blade Nut e Remove Clockwise _ Spark Plug vd N Wrench Saw Blade Figure 14 e Check all fasteners Make sure they are tight and there e Check to make sure the Throttle Cable ts positioned and clipped to the Brushcutter handlebar s Check the Line Limiter Make sure the Line Limiteris cot rectly fastened to the plastic line trimmer shield with the long leg of the Line Limiter pointing toward the cent
28. a a eee EE af SPECIAL NOTICE Forusers on U S Forest Land in the states of California Maine Oregon New Jersey Idaho Minnesota and Washington All U S Forest Land andthe states of California Public Resources Codes 4442 and 4443 Oregon and Washington require by law that certain internal combustion engines operated on for est brush and or grass covered areas be equipped with af Spark arrestor maintained in effective working order or the en and maintained forthe preven tion of fire Check with your state or local authorities for regula tions pertaining to these requirements Failure to follow these requirements is a violation of the law The factory provided Spark arrestor screen is not assembled with this unit MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING PATENTS 4 974 973 5 105 778 0339 591 0333 954 OTHER U S AND FOREIGN PATENTS PENDING 16 5 Duat Line Head Manual Advance 096 Diameter Monofilament 8 3 4 225mm 20 tooth 787 20mm Arbor diameter 10 255mm 3 tooth 87 20mm Arbor diameter 36cc 2 cycle Air Cooled 40 1 3 20z 0il per gallon gas Solid State Air gap 070 014 Non Adjustable Fixed Champion CJ 7Y Autolite 853 020 Spark Arresting Screen Requires assembly 11 000 RPM Maximum 20 35 lb ft 70 tb in Minimum HARDWARE CONTENTS Hardware shown fuli size ___ Paris bag contents
29. achievethe SWEEPING The fanning action of the rotating line can best performance and minimum line wear by not crowd be used for a quick and easy clean up Keep the line par ing the line into cutting area allel to and above surfaces being swept and move unit For trimming or scalping use partial throttle to increase E EA to side line life especially during light duty cutting near objects around which the line can wrap such as small posts trees or fence wire Always release throttle trigger and allow engine to return to idle speed when not cutting Hold bottom of the dua line head about 3 inches above ground and at an angle 17 MOWING Your trimmer is ideal for mowing in places OPERATION BEFORE STARTING ENGINE WARNING SECTION ON PAGE 2 OF THIS MANUAL BEFORE YOU BEGIN IF YOU DO NOT UNDERSTAND THE FUEL SAFETY SECTION DO NOT ATTEMPT TO FUEL YOUR UNIT SEEK HELP FROM SOMEONE THAT DOES UNDERSTAND THE FUEL SAFETY SECTION OR CALL THE CUSTOMER ASSISTANCE HOTLINE AT 1 800 235 5878 GASOLINE The two cycle engine on this product requires a fuel mixture of regular unleaded gasoline and a high quality 2 cycle en gine oil AIR COOLED for lubrication of the bearings and other moving parts The correct fuel oil mixture is 40 1 see Fuel Mixture Chart Too little oil or the incorrect oil type will cause poor performance and may cause the engine to over heat and seize
30. al metal surfaces to prevent rust from forming if your unit is equipped with a blade remove it from the unit Refer to Assembly Apply a coating of oil to the ntire surface of the blade and wrap it in heavy paper cloth or plastic Also apply a light coat of oil to gear housing threads then tighten blade nut for storage Reassemble all loose parts being sure that all handles and guards are in place and are securely fastened Replace any damaged parts The recommended storage position is either vertically with the fuel cap on top or horizontally with the fuet cap up Do not store unit with the cutting attachment up above the engine CAUTION Wear protective gloves when handling blade The bladeis sharp and 25 ALLOW THE ENGINE TO COOL AND can cut you even when it is not moving ENGINE Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur to fuel system components Follow these instructions 1 Drain the fuel from the unit into an approved fuel container 2 Drain the fuel lines and carburetor by starting the engine and letting it run until it stops 3 Allow the engine to cool before storage IMPORTANT It is important to prevent gum deposits from forming in essential fuel system parts such as the carbure tor fuel filter fuel line or tank during storage Also experi ence indicates that alcohol blended fuels those that use ethanol o
31. aliow engine to return to idle speed when not cutting e Cut only from your right to your left Swinging the unit in the same direction as the blade spins increases the cut _ ting action To reduce the chance of material eee around the blade follow these steps e Cut at full throttle e Swing the unit into material to be cut from your right to your leit e Avoid the material just cut as you make the return swing 7 Cut Between the 8 o clock and 10 o clock Position Figure 20 46 _OPERATION SAFETY LINE TRIMMER SAFETY OPERATOR SAFETY Sels etc they can be caught in moving parts ge Do not swing the toot withsuch force that you are in dans eg WARNING THE RAPIDLY MOVING LINE CAUSES OBJECTS TO Leg Guards MER SHIELD WILL NOT PROVIDE COMPLETE PRO TECTION TO THE OPERATOR OR OTHERS THE OPERATOR MUST WEAR A SAFETY FACE SHIELD BE THROWN VIOLENTLY THE PLASTIC LINE TRIM P gg gg OR GOGGLES ALWAYS WEAR HEAVY LONG PANTS Face Boots AND BOOTS KEEP OTHERS AT LEAST 50 FEET 15 Shield METERS AWAY E _ 100 Foot THIS UNIT WILL THROW OBJECTS AND CUT KEEP OTH 30 meters ERS INCLUDING CHILDREN ANIMALS BYSTANDERS Hazard Zone AND HELPERS AT LEAST 50 FEET 15 METERS AWAY d FROM THE OPERATOR AND TOOL STOP THE ENGINE IF YOU ARE APPROACHED DUAL LINE HEAD PARTS THAT ARE CHIPPED CRACKED OR DAMAGED IN ANY OTHER WAY CAN FLY APART AND CAUSE SERIOUS INJURY DO NOT USE R
32. amaged in any way s Fuel cap replace broken or leaking fuel cap Gearbox replace a cracked gearbox e Shields replace shields that are bent warped cracked or damaged in any way _ LUBRICATION CHART Fig 28 Figure 28 OI General purpose lithium base gear grease a HECK FOR LOOSE FASTENERS PARTS Blade Nut Dual Line Head Nut ae Handlebar Mounting Bracket and Thumb Screw Throttle Handie ee Cylinder Cover Muffler Guard Mr Fiter Cover Muffler aearbox ECK GEAR BOX LUBRICATION i929 0 mally it is not necessary to change the grease except ing service of the gearbox assembly Remove the gearbox plug to check the grease level Grease level should be 3 4 full Use a general purpose tithium base grease Figure 29 EAN AIR FILTER Fig 30 lirty air filter decreases the life and performance of the jine and increases fuel consumption and harmful emie ns E rays clean after 5 tanks of fuel or 5 hours of operation chever is less Clean more frequently in dusty condi Is 3 Loosen the screw on the air filter knob enough to re move the cover from the engine pi Remove air fitter from cover Wash air filter in soap and water Squeeze air filter dry and replace in cover Reinstall the air fitter cover making sure the choke exit slot is placed over the choke lever Choke Lever Choke Exit Slot Figure 30 CUSTOMER RESPONSIBILITIES
33. chance of blade thrust occurring and to maintain control of unit if the reaction does occur Ee y ee OPERATION WARNING THE BLADE CONTINUES TO SPIN AFTER THE ENGINE IS TURNED OFF THE COASTING BLADE CAN SERIOUSLY CUT YOU iF ACCIDENT ALLY TOUCHED THE OPERATOR OR OTHERS MUST NOT TRY TO CLEAR AWAY CUT MATERIAL WITH THE ENGINE RUNNING OR THE BLADE TURNING STOP ENGINE AND BLADE BEFORE RE MOVING MATERIALS WRAPPED AROUND THE BLADE SHAFT l Stop Cea Blade by Contact with Cut materi BRUSH TRI B LADE The Brush Tri Blade is designed to cut grass heavy weeds and wood brush up to 1 2 inch in diameter SAPLING SAW BLADE The KE Blade is designed to cut weeds woody brush am ap to 2 7 2 inches in diameter Pennine USE TIPS Figure 20 To establish a rhythmic cutting procedure e Plant feet fi rly comfortably apart e E lie swinging the upper part of your body from right to Move forward to the next area to be cut after the return swing and plant feet once more e Use the 8 o clock to 10 o clock position for cutting e Bring the engine to full throttle before entering the mate rial to be cut The blade has maximum cutting power at full throttie and is less likely to bind stall or cause blade thrust which can result in serious injury to the operator or others Refer to Guard Against Blade Thrust _ Always release throttle trigger and
34. er of the shield e Make sure the blade is secure e Tum the blade by hand If the blade binds against the RE orwobbles the blade is notcentered Reinstall the ade e Make sure the tong arm of the handlebar extends to the left of the fube and in front of the operator e With the unit supported by its harness strap adjust ban die anges for best comfort and balance before first use OPERATION KNOW YOUR BRUSHWACKER See Fig 15 READ THIS OPERATOR S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR BRUSHWACKER Compare the illustrations with your unit to familiarize yourself with the location of the various controls and adjustments Save this manual for future reference 7 D Back Side STARTER ROPE SPARK PLUG O NS HANDLE INSIDE FUEL CAP CHOKE LEVER INF THROTTLE HANDLE MUFFLER amp GUARD THROTTLE LOCKOUT _ HANDLEBAR TUBE PLASTIC LINE TRIMMER SHIELD SHIELD S METAL BLADE DUAL LINE HEAD SHIELD BRUSH TRI BLADE SAPLING SAW BLADE CUTTING LINE HEAD BRUSH BLADE SAW BLADE CONFIGURATION CONFIGURATION CONFIGURATION Figure 15 The ENGINE SWITCH has a stop position The THROTTLE TRIGGER controls engine speed The STARTER ROPE H NDLE is used for starting the The DUAL LINE CUTTING HEAD is designed to cut grass engine pi S i and light weeds o i The CHOKE LEVER provides additional fuel totheengine The BRUSH TRI BLADE is designed to cut grass weeds when starting
35. ery routed in head 2 Line improperly wound onto spool z t 3 Line size incorrect 4 Dirt accumulated on cover cut outs 5 Line is too old f Line does not advance or breaks while cutting Line welds on spool meits to gether 1 Use only 095 good quality monofilament fine 2 Use proper spool 3 Rewind line tightly and evenly A Cut with tip of line 5 Reduce cutting speed 6 Install new line using 095 good quality monofilament line 11 Remove cover Pull 4 of line to outside 2 Use 095 good quality monofilament line d 1 Line size incorrect 2 Incorrect spool 3 Line improperly wound onto spool 4 Crowding line against material being cut 5 Cutting at higher speed than necessary 6 Line is too old Line pulls back into head 1 Too little line outside of head 2 Line size incorrect If situations occur which are not covered i in this manual use care and good judgement _ Ifyou need assistance contact your SEARS Service Center Department or the CUSTOMER ASSISTANCE HOTLINE att 800 235 5878 26 REPAIR PARTS SEARS BRUSHWACKER MODEL 358 798280 Description E 502 203106 Anti Vibe Holder Outer Housing 503 210722 Screw Clutch Housing 502 203202 Anti Vibe Isolator 50
36. essories CUTTING SAFETY Inspect the area to be cut before each use Remove objects rocks broken glass nails wire string etc which can be thrown or become entangled in the blade Always keep the engine on the right side of your body Hold the unit firmly with both hands Keep firm footing and balance Do not over reach Keep blade below waist level Do not raise the engine above your waist The blade can come dangerously close to your body Cut at full throttle Cut from your right to your left Use only for jobs explained in this manual Do not use _ the blade as an edger The shield does not provide adequate protection DANGER THIS POWER UNIT CAN BE DANGEROUS THIS UNIT CAN CAUSE SERIOUS INJURY OR BLINDNESS TO THE OPERATOR AND OTHERS THE WARNINGS AND SAFETY INSTRUCTIONS IN THIS MANUAL MUST BE FOLLOWED TO PROVIDE REASONABLE SAFETY AND EFFICIENCY IN USING THIS UNIT THE OPERATOR IS RESPONSIBLE FOR FOLLOWING THE WARNINGS AND INSTRUCTIONS IN THIS MANUAL AND ON THE UNIT READ THE ENTIRE OPERATOR S MANUAL BEFORE ASSEMBLING AND USING THIS UNIT RESTRICT THE USE OF THIS POWER UNIT TO PERSONS WHO READ UNDER STAND AND FOLLOW THE WARNINGS AND INSTRUCTIONS IN THIS MANUAL AND ON THE UNIT A Ke BLADE THRUST WHEN THE SPINNING BLADE CONTACTS _ ANYTHING IT CANNOT CUT A DANGEROUS REACTION MAY OCCUR CAUSING THE ENTIRE UNIT AND OPERATOR TO BE THRUST VIOLENTLYIN ANY DIRECTION THIS REACTION
37. ffle Cover Plate Figure 3 Screen Cover ASSEMBLY Your brushwacker can be assembled in 3 distinct configurations as follows Go to the section for the desired configuration and follow the instructions as provided Dual Line Head for grass amp light weeds Kee G AEA AARAA iali Je SE sits Rac TS Fate ORO SSS ONAA ASSEMBLY CUTTING LINE HEAD CONFIGURATION Brush and Saw Blade Configurations follow this section WARNING THE LINE LIMITER IS SHARP AND CAN CUT YOU BE SURE TO WEAR GLOVES WHILE WORKING WITH THE LINE LIMITER THE PLASTIC LINE TRIMMER SHIELD MUST BE PROPERLY INSTALLED FOR ALL LINE TRIMMER USAGE THE PLASTIC LINE TRIMMER SHIELD PROVIDES PAR TIAL PROTECTION FROM THE RISK OF THROWN OBJECTS TO THE OPERATORI AND OTHERS LINE TRIMMER SHIELD See Fig 4 e Position fine limiter onto the plastic line trimmer shield IMPORTANT ALTHOUGH SCREW HOLES EXIST ON BOTH EDGES OF THE PLASTIC LINE TRIMMER SHIELD MAKE SURE YOU INSTALL THE LINE LIM ITER ON THE SIDE SHOWN IN THE ILLUSTRATION e Secure tine limiter to the plastic line trimmer shield using the two mounting screws lock washers and nuts found in the loose pars bag using a phillips screwdriver and 8mm wrench e Tighten securely Geet Line Limiter Lock Line Limiter parts are Washers AN located in a bag at tached to the Plastic Line Trimmer Shield dd Den Mounting e
38. hat have been subjected to operator abuse or negligence To receive full value from the warranty the operator must maintain unit as instructed in this manual Some adjustments will need to be made periodically to properly maintain your unit All adjustments in the Service and Adjustments section of this manual should be checked at least once each season o e Once a year replace the spark plug replace air filter ele mentand check blades for wear A new spark plug and a clean new air filter element assures proper air fuel mix ture and helps your engine run better and last longer Follow the maintenance schedule in this manual WARNING PERFORMING MAINTENANCE EXCEPT FOR CARBURETOR ADJUSTMENTS REPLACE BLADE OR DUAL LINE HEAD PARTS THAT ARE CRACKED CHIPPED OR DAMAGED IN ANY OTHER WAY BEFORE USING THE UNIT INSPECT THE ENTIRE UNIT REPLACE DAMAGED PARTS CHECK FOR FUEL LEAKS AND MAKE SURE ALL FASTENERS ARE IN PLACE AND SECURELY FASTENED Use Use ft 5 hrs ae EE a me ae i W DISCONNECT THE SPARK PLUG BEFOREL CLEAN UNIT AND LABELS 7 e Clean the unit using a damp cloth with a mild detergent e Wipe off the unit witha clean dry cloth BEFORE EACH USE CHECK FOR DAMAGED WORN PARTS e Blades replace blades that are bent warped cracked or damaged in any way e Dual line head replace trimmer head parts that are bent warped cracked or d
39. ht hand until engine at tempts to run or pops After engine attempts to run tum choke fever down ward and repeat starting attempts until engine runs After 10 seconds running squeeze trigger to release throttle advance and retum engine to idle NOTE Choke and throttle advance are disengaged when e squeezed Figure 27 STARTING A WARM ENGINE THAT HAS NOT BRUN OUT OF FUEL Turn the choke feverupward to set throttle advance for starting and then return the choke lever to the normal downward position before starting the engane STARTING A FLOODED ENGINE Flooded engines can be started by moving the engine switch fromthe STOP position and the choke lever in the Off Choke position then pull the rope to clear the engine of excess fuel This could require pulling the starter rope many times depending on how badly the unit is flooded if the unit still doesn t start call the Customer Assis tance Hotline at 1 800 235 5878 CUSTOMER RESPONSIBILITIES MAINTENANCE SCHEDULE Fill in dates as you complete regular service Clean unit and labels 7 Check for damaged or worn parts Check for loose fasteners and parts e Clean Air Filter Replace Spark Plug inspect Mutter Seivice if necessary Clean Replace Spark Arrestor Screen if installed Check Gearbox Lube s GENERAL RECOMMENDATIONS The warranty on this unit does not cover items t
40. ing gas to oil fuel mixture will not be correct for proper engine operation OPERATION TOPPING YOUR ENGINE Move engine switch to the STOP position if engine does not stop move the choke lever upward Full Choke TARTING YOUR ENGINE Fig 27 H DANGER TURN WHEN THE ENGINE STARTS WARNING FOR SAFE STARTING AND OPERATION FOLLOW ALL SAFETY PRECAUTIONS IN THIS OPERATOR S MANUAL AND LA BELS ON THE UNIT DRESS PROPERLY BEFORE STARTING ENGINE AVOID ANY BODILY CONTACT WiTH THE MUFFLER WHEN STARTING A WARM ENGINE A HOT MUFFLER CAN CAUSE SERIOUS BURNS FORE STARTING THE ENGINE Fuel engine Move 10 feet 3 meters away from fueling site Rest engine and shield on ground supporting timmer head or blade off ground ARTING A COLD ENGINE OR WARM EN GINE AFTER RUNNING OUT OF FUEL Move the engine switch to the START position Turn choke lever upward to automatically set the choke and throttle advance for starting NOTE If throttle trigger is squeezed accidently during starting it wili be necessary to reset throttle advance by turning the choke lever back up For hot engine restart turn choke fever upward to set _ hroitle advance for starting and then retum chokelever SE o normal position before starting engine bn brushwacker against the ground with your left an 19 THE DUAL LINE HEAD OR BLADE WILL Pull starter handle with your rig
41. late Before installing the dual fine head make sure e fe driving disk is in place on the gear box Rotate the hex fastener on the dual line head counter clockwise onto the arbor shaft Tum the arbor shaftto align one of the three holes in the driving disk with the hole in the gearbox insert the locking pin through the gearbox and driving disk This will lock the driving disk and prevent the arbor shaft from tuming while you tighten the dual line head e While holding the ocking pinin place tighten the dual line head onto the arbor shaft counterclockwise using the blade nut spark plug wrench 15 20 lb ft Should the arbor shaft continue to tum while you are tight ening the duatline head re position the focking pinth rough w the gearbox and driving disk Locking Pin Plastic Line Trimmer Shield mt eai lt Hex Fastener underneath Dual Line Head Figure 6 Locking Pin Dual Cutting Head Instali Counterclockwise Fi y Blade Nut Spark Piug Remoye Clockwise Wrench Figure 7 ASSEMBLY BRUSH TRI BLADE CONFIGURATION utting Line Head configuration is located before this ction Saw Blade configuration follows this section DANGER THE METAL BLADE SHIELD MUST BE PROPERLY INSTALLED ON THE UNIT ANYTIME THE UNIT IS USED WITH THE BLADE THE FORWARD TIP ON THE MET AL BLADE SHIELD HELPS TO REDUCE THE BLADES ARE SHARE AND CAN CUT YOU BE SURE TO WEAR GLOVE
42. ne season to another e Replace your gasoline can if your can starts to rust Rust and or dit in your fuel system will cause problems e Store your unit in a well ventilated area and covered if possible to prevent dust and dirt accumulation Do not cover with plastic Plastic cannot breathe and will _ induce condensation and eventual rust or corrosion IMPORTANT NEVER COVER UNIT WHILE ENGINE AND EXHAUST AREAS ARE STILL WARM TROUBLE SHOOTING POINTS TROUBLE SHOOTING CHART Engine will not stat 1 Engine switch on stop 1 Move switch to on position or will run only for 2 Fuel tank empty _2 Fill tank with correct fuel mixture a few seconds 3 Engine flooded 1 3 See Starting Instructions after starting 4 Spark plug not firing 4 install new plug check ignition system 5 Fuel not reaching carburetor _ Clean fuel filter inspect fuel line 6 Carburetor requires adjustment 6 See Carburetor Adjustments 1 Air filter is dirty 4 Clean air filter 2 Carburetor requires adjustment 2 See Carburetor Adjustments Engine will not idle properly 1 Air fitter dirty Engine will not 1 Clean or replace air filter accelerate lacks 2 Spark plug fouled 2 Clean or replace spark plug and re gap power or dies 3 Carburetor requires austen La See Carburetor Adjustments gt under a load 4 Muffler
43. not shown fullsize Pare bag contents not shown full size contents not shown full size D Geck Locking P Pin K ch pai 4 Screws Arrestor Screen 2 Mountin Blade Nut gn BEE CG OO Screws e Spark Plug Wrench Carburetor o Leer We Nuts Hex Screwdriver oe Parts packed separately in carton 8207 Oi Operator s Manual Shoulder Harness Handiebar OOLS REQUIRED FOR ASSEMBLY Torque Wrench reference torque values are provided throughout this manual for tightening hardware Phillips Screwdriver 8 mm Wrench Provided with your Brushwacker Hex Key Blade Nut Spark Plug Wrench Locking Pin Metal Blade Shield Brush Tri Blade Line Limiter _ Plastic Line Trimmer Shield with Line Limiter Hardware Shield Support Piate Dual Line Cutting Head Blade Transport Sapling Saw Blade Storage Cover TO REMOVE BRUSHWACKER FROM CARTON Remove loose parts included with Brushwacker Remove the loose plastic paris bag from the carton e Remove all packing material Check carton thoroughly for additional loose parts WARNING iF THIS UNI BLED REVIEW ALL STEPS IN THIS SECTION TO BE SURE ASSEMBLY IS CORRECT AND PROPERLY ADJUSTED FORTHE OPERATOR SS HOW TO ASSEMBLE YOUR BRUSHWACKER DANGER SEMBLED CORRECTLY IN THE MOUNT BARRIER TO KEEP THE OPERATOR S _ HANDLEBAR ASSEMBLY See Fig 1 o housing Refer to Figu
44. ntake Pipe Support Sleeve Fuel Line Fuel Filter Screw Clip Crankcase Bearing Heat Shield Muffler Gasket Air Filter Cover Air Filter Knob REPAIR PARTS SEARS BRUSHWACKER 1 Fuel Cap Assy incl 12 amp 13 Crankcase Assy Incl 4 of 20 Crankshaft amp Rod Assy inci 2 of 22 and 1 of 3 d 503 694601 503 686402 737 441000 502 200001 lt MODEL 358 798280 503 289001 503 797501 Muffler parts k 502 207701 502 216101 502 208901 503 200265 502 196201 502 199901 502 199801 OR 1 Sege O Cylinder amp Piston Assy dncl 27 28 29 amp 30 Piston Ring 36402 F Piston hick 27 503 414101 Needle Bearings Retaining Clip Guide Tube Mutter Reinforcement plate Distance Pipe Spark Arrestor Screen Muffler Screen Cover Screw Muffler Cover Baffle Plate Muffler Body REPAIR PARTS SEARS BRUSHWACKER MODEL 358 798280 IGNITION SYSTEM A E ff STARTER SYSTEM ae ora ft tenition Module d Ee e 502 185901 Flywheel Assy S ch IS _ acl Ze of 9 10 amp 11 es Bae 502 206901 Cabl Gable Assy gt 501485402 Spark Plug Boot 503 235108 Spark Plug 503 202516 503 210722 SE 503 230035 Washer 530 0442059 Spri 530 042058 TS 530 015226 S 503 230101 Wash 503 221011 Fly 503 212906 Screw 503 775301 502 2
45. nual 16 UNIT SAFETY Use Only Good Quality Replacement Parts Inspect the entire unit before each use Replac dam aged parts Check for fuel l aks and make sure all fas teners are in place and securely fastened Use only 095 diameter good quality monofilament line Never use wire or rope string etc Be eure the plastic line trimmer shield is properly at tach Make sure dual fine head is property installed and se curely fastened Refer to Assembly Be sure dual line head stops turning when engine idles Refer to Carburetor Adjustments Make carburetor adjustments with the drive shaft hous ing supported to prevent the dual line head from contact ing any object _ Keep others away when making carburetor adjust ments Use only good quality accessories or attachments OPERATION RIMMER LINE ADVANCE Fig 21 WARNING STOP ENGINE BEFORE ADVANCING LINE Turn off the engine Tip of Line D bee boreal eg SE Unhook the unit from the shoulder hamess and put the __the Cutting AC TT into Work Area py ni unit on the ground rare Right een vm Gees Push blue lock button in on dual line head with left hand Figure 22 and pull one fine out with right hand As tine begins to TRIMMING Allow only the tip of the line to make con SE biet lock button and puli both lines until dual line tact Do not force trimmer line into work area ead loc retract excess line
46. outlets plugged oe spark ar arrestor 1 4 See Inspect Muffler and Spark Arrestor screen obstructed Screen 1 Clean or replace air filter 2 Refuel with correct fuel mixture 3 See Carburetor Adjustments Engine smokes excessively 1 Air filter dirty 2 Fuel mixture incorrect Too much oil 3 Carburetor requires adjustment Engine runs hot 1 See Before Fueling Engine 2 Replace with correct plug 3 See Carburetor Adjustments 1 Fuel mixture incorrect 2 Spark plug incorrect _ 3 Carburetor requires adjustment 1 See Carburetor Adjustments 2 Contact your Sears Service Center 3 Contact your Sears Service Center 1 Carburetor requires adjustment 2 Throttle cable binding 3 Clutch requires repair Cutting attachment _ 1 turns at idle speed Cutting attachment stops under a load or does not tum when engine is accelerated 1 See Carburetor Adjustments 2 Contact your Sears Service Center 3 Contact your Sears Service Center 1 Carburetor requires adjustments 2 Drive shaft broken 3 Clutch requires repair 1 Remove cover Check line routing 2 Rewind fine tightly and evenly 3 Use only 095 good quality monofilament line 4 Clean cover cut outs _ Install new line using 095 good quality monofilament line t Line improp
47. peed Adjustment e Engine will not idle See Idle Speed Adjustment and Low Speed Mixture Adjustment Engine dies or hesitates when it should accelerate See SE Acceleration Adjustment e Loss of cutting power which is not corrected by air filter _ Cleaning See High Speed Mixture Adjustment NOTE H the Cutting Attachment rotates during idle turn the idie speed adjusting screw CT counterclockwise until the Cutting Attachment stops CAUTION MAKE ALL CARBURETOR ADJUST MENTS WITH TRIMMER HEAD ATTACHED DO NOT ATTEMPT TO ADJUST CARBURE TOR WITH BLADE ATTACHED DUE TO DIF FICULTY OF PROPERLY SETTING CARBU RETOR SEVERE ENGINE DAMAGE COULD OCCUR WARNING MAKE CARBURETOR ADJUSTMENTS WITH THE LOWER END SUPPORTED TO YOUR HAND THE TRIMMER HEAD WILL BE SPINNING DURING MOST OF THIS PROCEDURE WEAR YOUR PROTECTIVE EQUIPMENT AND Lk NOT MOVE AT IDLE SPEED CARBURETOR PRESETS Fig 39 The Carburetor has three adjusting screws L Low speed mixture adjusting screw H High speed mixture adjusting screw T Idle speed adjusting screw if your engine will not start due to suspected improper car buretor adjusiment the following presets may be required if used it is recommended that all steps within the adjust ment procedure be completed in order to assure a prop erly set carburetor lf presets are not needed proceed to Section Idle Speed Adjustment
48. r methanol called gasohol or oxygenated Zuel carrattract moisture and form acidic gas which willdamage your engine To avoid engine problems the fuel system should be emptied before storage of 30 days or longer Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage Add stabilizer to the gasoline in the fuel tank or fuel storage container Always follow the mix instructions found on stabilizer container Run engine at least 5 minutes after adding stabilizer to allow the stabilizer to reach the carburetor Craftsman 40 1 2 cycle engine oil is specially blended with fuel stabilizers If you do not use this SEARS oil you can add a fuel stabilizer such as Crafisman 33500 to your fuel tank e Remove spark plug and pour 1 teaspoon of 40 1 oil mix through the spark plug opening Slowly pull e starter rope 8 to 10 times to distribute oil to inner engine surfaces o Replace spark plug with a new one of the recommended type and heat range Refer to Product Specifications se Dean air filter Refer to Customer Responsibilities e Reinstall all covers and hardware removed for access tighten all screws and fasteners e Check entire unit for loose screws nuts and bolts Replace any damaged broken or worn parts Use fresh fuel having the proper gasoline to oil ratio al _ the beginning of the next season GALA Do not store gasoline from o
49. re 15 for proper handlebar position Place the handlebarbetween the upperand lower brack et The mounting bracket should be between the arrows on the handlebar Secure with thumb screw e We recommend you adjust the angle of the handlebar for best comfort and balance after the unit is assembled Upper Mounting Bracket Cutting Lower i Mounting Bracket q Outer a vac Housing Figure 1 THROTTLE HANDLE ASSEMBLY See Fig 2 ev Remove the retention screw from the throttle handle e Slide the throttle handle onto the right side of the handle bar and align with the screw hole in the handlebar The throttle trigger should be facing away from the engine _ Insert retention screw and tighten with hex key e Secure loose cable to handlebar adjacent to mounting brackets with clip TIS RECEIVED ASSEM THE HANDLEBAR MUST BE AS ING BRACKET SO THE HANDLEBARIS AL FEET FROM BEING CUT BY THE BLADE acc ssory Ifyou pian to use your Brushwacker in an area ASSEMBLY Engine Switch Ge Throttle Handle Rate Throttle Trigger Retention Screw Figure 2 SPARK ARRESTOR SCREEN ASSEMBLY See Fig 3 Your Brushwacker is shipped with a spark arrestor screen where a spark atrestor muffler is required by local state or federal authorities See Specia Notice on page 4 pro Before installing the handiebar you must unthread the a ceed to ins
50. rews Plastic Line Trimmer Shield Figure 4 PRE INSTALLATION if the metal blade shield is installed on the unit you must first remove thenut support flange blade and metal blade shield as follows before installing the plastic line trimmer shield and dual line cutting head e Clip blade transport storage cover over the blade Refer to figure 9 e Toremove blade See Figures 11 or 14 place locking pin through the gearbox and driving disk to prevent the arbor shaft from turning and remove the blade nut by turning clockwise with blade nut spark plug wrench Save parts removed for future use e Remove 4 screws with hex key holding the metal blade shield Save these 4 screws for installation of the plastic line trimmer shield aye Ae eg Disk INSTALLING LINE LIMITER ONTO PLASTIC INSTALLING THE PLASTIC LINE TRIMMER SHIELD See Fig 5 e Place the plastic line trimmer shield on the gearbox and align the four screw holes as illustrated Place the shield support plate under the shield and align the four screw holes e Secure the plastic line trimmer shield using the 4 mount ing screws provided in the loose parts ba g _ Tighten evenly 70 Ib in mimimum using the hex key provided in the loose parts bag wre O i di Plastic Line ai Trimmer Las e Shield Figure 5 INSTALLING THE DUAL LINE HEAD See Fig 6 amp 7 Driving Shield Support V P
51. s merchandise has added value when you consider that 1 800 36 6 7278 S _ Sears has service units nationwide staffed with Sears trainedtech LU nicians professional technicians specifically trained on Sears e products having the parts tools and the equipment to insure that we meet our pledge to you we service what we sell CUSTOMER ASSISTANCE gt 1 800 235 5878 HOURS CST Mon Sat 7 a m 7 p m Sun 10 a m 7 p m Sears Roebuck and Co Hoffman Estates IL 60179 USA 30 082400 1 1 21 94 101 870491
52. tall as follows thumbscrew securing the mounting brackets to the ouer e Longen 4 screws from cylinder cover with hex key Re move cylinder cover IMPORTANT TWO 2 SCREWS HOLD ALL OF THE MUFFLER PART S TOGETHER e Loosen 2 screws from muffler screen cover with hex key Remove the muffler as an assembly to become familiar with its disassembly reassembly sequence e Hold muffler with the screws up e Removethe following muffler gasket muffler body rein forcement plate baffle plate and distance pipes e Turn over the muffler cover with the screws down e Remove 2 screws and raise muffler screen cover e Position spark arrestor screen between the muffler cover andthe muffler screen cover Align holes and reinsert 2 Attechrneet to ack screws Attachment e Tum over muffler cover with screws up e Reinstall in the following order distance pipes baffle plate and reinforcement plate Seat muffler body over muffler cover and snap them together Reinstall muffler gasket e Insert 2 screws in cylinder and tighten securely 60 80 Ib in Replace the cylinder cover making sure the muffler guard z interlocks with the crank case assembly Insert 4 screws and tighten securely Cylinder Cover Muffler Guard Reinforcement Piate pars Arrestor Screen Cylinder H Mutiler Far Distance Se pi A Gasket C Pete EE ch ENS X wa Muffler Vu Body uifler Muffler Ba
53. ult to pull cover and hub apart due to an O ring located within the cutting head Remove spool from the hub e Remove any existing line from the spool Insert fine separately into two holes on spool Push lines completely into holes _ Following the arrow located on the spool wind both lines simultaneously and tightly by separating lines with forefinger Secure lines into locking lugs e insert lines through holes keeping lines secure in locking lugs Before pushing spool completely into hub puli lines out of locking lugs Spool should now fit completely into hub s Snap cover and hub back together s To reinstall go to Installing The Dual Line Head in the Assembly section Figure 36 SERVICE AND ADJUSTMENTS BRUSH TRI BLADE SHARPENING Fig 37 LADE SHARPENING A DANGER ALWAYS STOP THE ENGINE BEFORE SHARPENING A BLADE THE BLADE WILL CONTINUE TO SPIN AFTER THE ENGINE STOPS OR AFTER THE THROTTLE TRIGGER HAS BEEN RE LEASED MAKE SURE THE BLADE HAS STOPPED COASTING AND DISCON NECT THE SPARK PLUG BEFORE PER FORMING WORK ON THE BLADE ALWAYS REPLACE A BLADE THAT IS BENT WARPED CRACKED Op DAN AGED IN ANY OTHER WAY NEVER AT TEMPT TO STRAIGHTEN AND RE USE A DAMAGED BLADE USE ONLY THE SPE CIFIED REPLACEMENT BLADE WEAR PROTECTIVE GLOVES WHEN HANDLING OR PERFORMING MAINTE NANCE ON THE BLADE TO HELP AVOID TO PREVENT THE BLADE FROM CRACK ING OR F
54. vice and Adjustments 56 Se 22 Product Specifications 4 SIE 25 Customer Geet SE 20 THOUS Shooting wee nc wand Sieg Na E de lt 26 TC EEN A Repair Parts ewes Serre re ree 27 Assembly see EEN RENE AEN EA AN eu 6 ACOGSSONCS cccccccseees EE 32 Operation ER Pee eer AND a Parts Ordering Service re RA Back Cover A _ Hardware Contes eee Accessones EE 32 K Adjustments Know Your Brushwacker 2 00 cece canes 11 Carburetor E SA EES L Flandlebar E HEED 12 Line Advancement 17 Shoulder Harness E 12 Line Limiter ENEE EEN 8 23 Air PINGS eege Seege SE Line Replacement WS EE wee aa 22 Assembly E ee ENEE Ee 6 10 M B td Maintenance S heduie ar EE 20 Blade Sharpening DEE DEER 2s Mode Number dha aati emacs te 4 l C uffier POE EE Tee eT Tee ee 6 21 Carburetor Adjustment ee A o Conversions Operation 2 0 eran reat i 14 19 Blade O EINO ER 8 Ordering Repair Parts Back Cover Line tO E 9 10 R Customer Responsibilities 2 000 20 21 Repair Parts e 27 31 _ Spark Piug seese NEE 21 da E EE Back Cover Cutting Methods S Line Trimmer Se ee e a e ees eseee poar mae 17 Service and Adjustments BEE et ee 22 24 Brushcutter e a ses sr saetseeaaaeee see ene ere e 15 Shield l i E MOA e dee EE 9 Engine EENG Diesen 8 Fuel ee 18 Shoulder Hamess
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