Craftsman 536.773521, Operating Instructions Manual

Page 1: ... MODEL NO 536 773521 KEY START i HIGHWHEEL WEEDTRIMMER Caution Read and follow all Safety Rules and Operating Instructions before first use of this product SEARS F_0O0211MROEBUCK AND CO Hoffman Estates IL 60179 U S A I ...

Page 2: ...nkshafts and thefailure to maintainthe equipmentaccording to the instructions containedinthe owner smanual WARRANTY SERVICE IS AVAILABLE BY RETURNING THE CRAFTSMAN WEED TRIMMER TO THE NEAREST SEARS SERVICE CENTER DEPARTMENT IN THE UNITED STATES THIS WARRANTY APPUES ONLYWHILE THIS PRODUCTIS IN USE IN THE UNITED STATES This warranty givesyouspecific legaltights andyoumay alsohaveotherfights which ma...

Page 3: ... other safety protective devices in place 13 Use this equipment for its intended pur pose only 14 See manufacturer s instructions for proper operation and instatiation of accessories F OOO211M Only usa accessories approved by the manufacturer 15 Operate only in daylight or good artificial light 16 Do not operate the trimmer while under the influence of alcohol drugs or other medica tion which can ...

Page 4: ...re refueling Do not smoke c Never refuel the machine indoors d Never store the machine or fuel con tainer inside where there is an open flame such as a water heater 2 Never run an engine indoors or inside a closed area 3 Never make adjustments or repairs with the engine motor running D_sconnect the spark plug wire and keep the wire away from the plug to prevent accidental starting remove the ignit...

Page 5: ...derstand the purpose for each symbol Slow Fast Fuel Oil OOlO_ eOOGOOGOOO OOGO WARNING Thrown Objects Keep Bystanders Away WARNING Rotating Parts Stop Engine Disconnect Spark Wire Before Making Adjustments A WARNING Q M IMPORTANT WARNING Read Owner s Manual Wear Eye Protection Before Operating This Machine STOP WARNING Never Operate Up Or Down Slopes Operate Across Slopes F _ O211M 5 ...

Page 6: ... as sembled and positioned in the carton for ship ment References to the fight or left hand side of the trimmer are from the viewpoint of the opera tor s position behind the unit TO REMOVE THE TRIMMER FROM CARTON 1 Remove the parts bag and all loose parts from carton 2 Remove the packing material positioned around the unit 3 Cut down anfour comers of the carton and lay the side panels flat 4 Pull ...

Page 7: ...handle 4 Tighten the handle ad justment knobs Make sure the handle pivots are locked in place NOTE The handle height is adjustable See How To Adjust The Height Of The Han dle in the Adjustment section Handle Rope Guide Recoil Handle Pivot 5 To attach the recoil start handle to the rope guide twist the rope through the rope guide mounted on the right side of the handle Figure 2 HOW TO INSTALL THE E...

Page 8: ...r was shipped from the facto ry the battery was not fully charged Before the first use the battery must be charged for 16 24 hours Bee How To Charge The Bat tery in the Service And Adjustment section CHECKLIST For the best performance and satisfaction from this quality product please review the fol lowing checklist before you operate the tnm mer All assembly instructions have been completed Check ...

Page 9: ...tor manifold for faster starts See Figure 8 Recoil Starter Handle The engine is equippedwithan easy pullrecoilstarter Ignition Switch Use on key startengine Shield Edge Guard Protectsthe shield by automatically cutting the lineto the correct length Engine Debris Shield Protectsthe en gine from debns Can be easily removedto sen icetheengine EYE PROTECTION WARNING Debris thrown from the trimmer can ...

Page 10: ... THRO I rLE CONTROL 1 Duting normal use set the throttle con trol lever in the FAST position to run the engine at full speed 2 Pull the throttle control lever back to de crease engine speed Push the throttle control lever forward to increase engine speed 3 To stop the engine pull the throttle con trol lever completely back to the STOP position ThrottleControl Lever Figure 7 HOW TO USE THE PRIMER B...

Page 11: ...djustable features therefore no other adjustments are needed WARNING Never fill the gas tank while the engine is running or hoL Allow the engine to cool before adding gasoline Immedi ately wipe off any spilled gaso line before you start the engine WARNING Gasoline is flam mable Use caution when han dling or storing gasoline Keep away from an open flame or an electrical spark Do not smoke while fil...

Page 12: ...ldtherecoil start er handle with your right hand See A WARNING Never run the engine indoors or in a poorly ventilated area Engine exhaust contains carbon monoxide an odorless and dead ly gas Keep hands feat hair and loose clothing away from the trimmer and any moving parts on the engine Avoid the muffler and surrounding areas Temper aturas may exceed 150 F IgniSon Key Figure 10 TRIMMER TIPS A WARN...

Page 13: ...re each season and before winter storage PRODUCT SPECIFICATIONS Trimmer Line Diameter 0 155 inch Trimmer Line Length 21 5 inches Horse Power 6 5 Displacement 12 0 cu in Gasoline Capacity 1 5 quarts Oil Capacity 20 oz Spark Plug Champion RJ 19LM Spark Plug Gap 0 030 inch F_000211M GENERAL RECOMMENDATIONS The warranty on this trimmer does not cover items that have been subjected to operator abuse or...

Page 14: ...lug Oil Drain _ _ Figure 12 HOW TO REPLACE THE AIR FILTER Replace the air filter once a year or more often in dusty or dirty conditions DO NOT attempt to clean or oil the air filter Remove and install a new air filter as follows CAUTION Never run the engine without the air fitter installed An air filter clogged with dustcan result inloss of enginepower and can cause excessive wear or damage to the...

Page 15: ...park plug if the electrodesare pittedorburnedor ifthe porcelainis cracked 1 Makesurethe spark plug is clean Clean the spark plug by carefullyscrapingthe electrodes donotsandblastorusea wire brush 2 Check the spark plug gap with a feeler gauge See Product Specifications for the correct spark plug gap and replace ment spark plug 3 Before installing the spark plug coat the threads lightly with oil fo...

Page 16: ...NT To extend the life of the trim mar line keep the trimmer line moisL If not kept moist the nylon trimmer line will be come dry and brittle Keep extra trimmer line in a can of water The line will then stay flexible and easy to change A flexible line will also last much longer Tdmmer Line Shield Figure 16 HOW TO CHANGE TRIMMER LINES When the tdmmer line becomes worn to half the original length rep...

Page 17: ...el 3 Tighten the knobs Handle Ratchet Knob Figure 17 HOW TO SET THE HEIGHT OF CUT CAUTION Before you set the _lb height of cut stop the engine Wait for all moving parts to stop Allow the engine to cool and dis connect the spark plug wire The height of cut can be set from 1 1 2 inches to 3 inches Recommended cutting height for the average yard is 2 1 Use 61eT wrench found in the parts bag to loosen...

Page 18: ...y to remove the drive belt see Figure 20 Do not bend the belt guides NOTE Makesure youreplace the drive belt only with e replacement belt from the factory 5 To assemble the drive belt reverse the above steps Make sure all fasteners are tight Make sure the mounting bolt for the drive pulley is _ght 6 Check the routingof the drive belt Make sure the drive belt is inside of all belt guides shown in F...

Page 19: ...n electrical outlet 4 Disconnect the battery charger from the electrical outlet and from the battery 5 Connectthe wiring harness to the bat tery Ifthebattery willnotbe usedfora long period of time or dunngstorage do not connectthewiringharnessto the battery Wiring Harness Screw Figure 21 HOW TO REMOVE THE BATTERY If the engine will not tum over or tums over slowly when the key is turned on charge ...

Page 20: ...engine while in storage To prevent engine damage when the trimmer is in storage for 30 days or more follow the steps below Let the engine mn until it is out of gasoline Drain the oil from the warm engine Fillthe engine crankcase with new oil Removethesparkplugfromthe cylinder Pour one ounce of oil into the cylinder Slowlypullthe recoilstarterhandlesothat theoilwillprotectthecylinder Install a new ...

Page 21: ...t severalminutesbefore starting Throttle control lever in Move throttle lever to FAST incolTect position or START position Stale gasoline Drain old gasoline and add fresh gasoline Defective throttle control Inspect lever and wire lever or wire Replace if damaged or defective Charge battery 16 24 hours Connect wiring harness Batteryis notfullycharged Wiringharnessnot connectedto battery Sad sparkpl...

Page 22: ... loose Inspect and replace damaged parts Movethrottleto thefullOFF _osition Correctline lengthis 21 5 inches When lessthan 1 2 this length replacethe line Move engine throttle lever to FAST position Tighten set screw with T handle wrench Trimmer line lengths are Adjust trimmer line to substanlJally different approximately equal lengths Loose nuts or bolts Check all bolts and nuts including engine ...

Page 23: ... A 10 degree slope is a hill that increases in height at approximately 1 7 feet in 10 feet A 15 degree slope is a hill that increases in height at approximately 2 5 feet in 10 feet Use extreme care at all times and avoid sudden turns or maneuvers Follow other instructions in this _ manual for safety in trimming on slopes Operate a trimmer across the face of slopes never up or down slopes Use extra...

Page 24: ...CRAFTSMAN WEEDTRIMMER 536 773521 11 5 14 42 27 28_ 2 33 34 36 38 40 39 F OCO211M 24 ...

Page 25: ...7 Case Battery 740219 18 Charger Battery 740223 19 Knob Handle 740202 20 Washer Spring 711936 21 Pivot Handle 740158 22 Bolt 711937 23 Handle Lower 740195 846 24 Screw 710079 25 143 996512 See Engine Pages ENGINE 26 Hamess Clamp 740217 27 Nut 710140 28 Wheel and Tire 740185 29 Washer 710258 30 Spacer 740190 31 Bracket Assembly Axle end 740188 32 Bolt Carriage 711935 33 Bolt 48901 34 Nut 710203 35 ...

Page 26: ...CRAFTSMAN WEEDTRIMMER 536 773521 1 2 3 25 26 11 31 38 22 23 F OCO211M 26 ...

Page 27: ...711933 14 Pulley Idler 740244 15 Pulley Engine 740179 16 Pulley Idler 740183 17 Lockwasher 712147 18 Bolt 712146 19 Screw 712145 20 Flap Debris 740167 22 Guard Assy 770070 23 Screw 26x194 24 Jackshaft Housing Assembly 1001049 25 Shaft Cutting Head 740246 26 Wrap Upper Head 740163 27 Screw 712126 29 Cutting Disc Assembly 740175 848 30 Screw Set 712127 31 Line Cutting Pack of 24 79999 32 Flatwasher ...

Page 28: ...oeo Description Part No 1 Engine Debris Support 740234 846 2 Screw 710273 3 Bracket Right Shield 740238 4 Bracket Left Shield 740245 5 Ratchet Fastener 311087 6 Shield Engine Debris 740229 7 Knob Debris Shield 740227 8 Housing Trimmer 740216 848 28 ...

Page 29: ...CRAFTSMAN ENGINE 143 996512 4OO 135 130 120 416 11g F_XX 211M 29 ...

Page 30: ... Pin Ring Set 010 OS 11OC 35020 41 40025 Piston Pin Ass y 119 36787 Std Incl 43 120 36825 41 40026 Piston Pin Ass y 125 37288 010 OS Incl 43 42 40006 Ring Set Std 126 37289 42 40007 Ring Set 010 OS 43 20381 Piston Pin Retaining Ring 130 6021A 45 36777 Connecting Rod Ass y 135 35395 Incl 46 46 32610A Connecting Rod Bolt 150 31672 48 27241 Valve Lifter 151 31673 50 36778 Camshaft MCR 151A 40017 DESC...

Page 31: ...7 Air Cleaner Decal 224 36786 Intake Pipe Gasket 380 640069 Carburetor Incl 184 238 650932 Screw 10 32 x 49 64 390 590739 Rewind Starter 239 34338 Air Cleaner Gasket NOTE This engine could have been built with 241 36919 Air Cleaner Collar 590702 starter 245 36905 Air Cleaner Filter 395 35707 Electric Starter Motor 250 36920 Air Cleaner Cover 12 VoR 400 36792B Gasket Set Incl Items 260 36980 Blower...

Page 32: ...CRAFTSMAN ENGINE 143 996512 _37 40 F OOO211M 32 ...

Page 33: ...d 18 630766 Tension Spring 20 640027 Idle Restrictor Screw 20A 640053 Idle Restrictor Screw Cap 25 631867 Float Bowl 27 631024 Float Shaft 28 632019 Float 29 631028 Float Bowl 0 Ring 30 631021 Inlet Needle Seat Clip Incl 31 31 631022 Spring Clip 35 36045 Pnmer Bulb Retainer Ring 36 632735 Main Nozzle Tube 37 632547 0 Ring Main Nozzle Tube 40 640030 High Speed Bowl Nut 44 27110A Bowl Nut Washer 47 ...

Page 34: ...CRAFTSMAN ENGINE 143 996512 6 11C _15 17 F OOO211M 34 ...

Page 35: ...pring 4A 34949A Gear 5B 34953 Drive End Cap Ass y 6 33450 Lock Nut 7 34944 Armature 8 34945 Housing Ass y 10A 590500 Thrust Washer 11C 34942 Commutator End Cap Ass y Incl brushes 12 34947 Bolt 10 32 x 3 3 16 13 34946 Pinion Dnver 14 34951 Cup Washer 15 34952 Retainer Ring 16 34948 Washer 17 34953 Drive Nut 18 590608 Washer F 000211M 35 ...

Page 36: ...12 13 14 PART NO 590739 590740 590616 590617 590618A 590638 590535 590701 590760 DESCRIPTION Rewind Starter Retainer Starter Dog Dog Spring Pulley Rewind Spring Ass y Starter Housing Ass y 40 degree grommet Starter Rope Length 98 x 9 64 dia Starter Handle Spnng Clip 36 ...

Page 37: ...NOTES F _OOO211M 37 ...

Page 38: ...Para pedir servicio de reparaci6n a domicilio 1 800 676 5811 For the location of a Sears Parts and Repair Center in your area Call 24 hours a day 7days a week 1 800 488 1222 For information on purchasing a Sears Maintenance agreement or to inquire about an existing Agreement Call 9am 5pm Monday Saturday 1 800 827 6655 When requesting service or ordering pads always provide the following infor mati...