Sears 536.884821 Snow Blower User Manual
Contents
1. OPERATION nssensrnnnes ve eee He Adjustment AGOGO iue eei Mit EE Belt Guide eoo 20 CANE M REPE Carpentras menaran e em A Friction Wheel SI Spak P i crachin eris ei Track p NEE E Traction end Auger e Assemoly Crans Assembly oa cae B Shifter Lever NEEN Skio Hennit Adjustment dac dos du UNPACKING Lob iei iet A B Belts Adjust Belts Ve Belt Guce Adjustment icona mies Beit Maintenance bh d e OPER Replace Belts 19 20 C Gables Cinch s eee An soo d H 18 CarbUfetOfz sss sas S 2D Ghats ue ooa donem Wels dO u EG rh Els dd Chuten Lavers ees cs 10 11 Conros Engine 10 11 13 14 Snow Thrower o 10 Crank Adjusting Rod eseun m E Assermoly EE Qperaticn ee 1 1 Customer Responsibilities reri D Drive Auger EEN at Drive Traction dedistis d Deflector Snow Chute iusti E Engine Control sess 10 11 13 14 ON COE Pe RE 12 76 OIL Change ENT Oll Level unanunua geg e 16 OIE FER deele 1D Speed Governor nun 24 SEMIS EE to let MERE MEM TE etgan e wood Mh ded y HOH Oe ab GER OE TROVO o SHE ISO S EUR UM Wege cro XR pd MALE o om ap om S om TABLE OF CONTENTS PHARES DUU ee hi i Fr mw ee tn D i Avett whee ee CEOE host 6 9 1024 INDEX F Free Wheel Trach aa Fuel Type u Fuel Storage o ees Friction Wheel Adjustment i Replacement G Gears Auger Gear Box Hex Shaft2. ZS PART NO PART NAME Ed PART NO PART NAME 1 51278 Case Gear Box R H 51279 Gasket Gear Case 2 51277 Case Gear Box L H 51405 Gear Worm 3 302628 Screw HHC 1 4 20x3 4 In 431787 Key Woodruff 61 4 302635 Locknut Wd FI 5 16 24 Thd 50221 Bearing Flange 5 303008 Nut Hex Keps 1 4 20 Thd 580294 Shaft Worm Impelier 6 302630 Screw Walap 3 8 16x1 2 In 580285 Collar Thrust 7 24274 Seal Oil 454565 Pin Spring 8 50304 Bearing Flange 50684 Bearing Roll 9 48275 Flatwasher 752x1 24x 09 307969 Impeller Assembly 10 5813898 Shaft Auger 24 in daar ited aided SN 36 302487 70141 70142 302922 308766 318508 308768 3902 3903 319033 CoO Ona oh GN ech CRAFTSMAN 24 SNOW THROWER 536 884821 egenen O Pemda i Who pe AUGER HOUSING ff AA d t EN A A 4 arm A Gr LA V H i ere i WC n 7 l AM a e K ch E iy 1 h Sei e ig s ah Leg PART NAME Decal 8 Impeller Decal Danger Auger Decal Danger Chute Decal Danger instruction Decal Craftsman Decal 5 24 Auger Housing Decal Danger Stripe Chute Decal Traction Drive Engage Decal Auger Drive Engage Decal Gear Selector 37 314005 A CRAFTSMAN 24 SNOW THROWER 536 884821 SHIFT YOKE REPAIR PARTS Fiat item No 17 pA AL P Page 28 Ref Item No 1 Page 33 Ret t m No 1 Page 32 PART NO PART NAME Rod
3. 536 884821 DEL Caution Read and Follow 5 HORSEPOWER All Safety Rules 24 DUAL STAGE Before Operating FREE WHEELING TRACK This Equipment SNOW THROWER Optional Electric Start e Assembly Operation Maintenance Service and Adjustments Repair Parts SEARS ROEB A SAFETY RULES WIRE WHERE iT CANNOT CONTACT SPARK PLUG TO PREVENT ACCIDENTAL STARTING WHEN SETTING UP TRANSPORTING AD JUSTING OR MAKING REPAIRS CAUTION ALWAYS DISCONNECT SPARK PLUG WIRE AND PLACE IMPORTANT SAFETY STANDARDS REQUIRE OPERATOR PRESENCE CONTROLS TO MINIMIZE THE RISK OF INJURY YOUR SNOW THROWER IS EQUIPPED WITH SUCH CONTROLS DO NOT ATTEMPT TO DEFEAT THE FUNCTION OF THE OPERATOR PRESENCE CONTROL UNDER ANY CIRCUMSTANCES BEFORE USE Read the Owner s Manual carefully Be thor oughly familiar with the controls and the proper use of the snow thrower Know how to stop the snow thrower and disengage the controis quickly Do not operate the snow thrower without wear ing adequate winter outer garments Wear footwear that will improve footing on slippery surfaces Keep the area of operation clear of all persons particularly small children and pets Thoroughly inspect the area where the snow thrower is to be used and remove all doormats sleds boards wires and other foreign objects Use extension cords and receptacies as specified by the manufacturer for ali snow throwers with electric drive motors or with
4. 14 15 16 17 24 26 O5 Adr 0 OW F Ii RR 41 44 ORR o Hor Operating Tips neues 14 Starting the Engine seid Snow Thrower Controls 10 12 Weight Transter System 12 P Parts M Primar Button dentate UE 7 R Repair Replacement Parts Replacements Auger Shear Boch 23 Belts Gia ciate TRUE Friction Wheel Sears Cer e Safety Rules int AURA d Service and Adjustments Auger Housing aoe sv d CAP eee Bolt TROC Bels T Balt Guide EEN Balt Replacements Cabie DG Carburator EN Friction Wheel o e sean Spark PIUQ est eta conet Track WEE Service Recommendations acea OO Spark Plug seco Specilications A nun d Speed Govemor unn d Starting the Engine nua 13 Stopping the Engine ti 13 14 Stopping the Snow Thrower 11 Shipping Carton sese WR 7 Skid Height ws Shifter Lever Laou esses Shear Bolts eesersericco st neuan nan Ook cir BEP Ri T Table of Contents An Trouble Shooting Chart 26 Tools for Assembly ne e E traction Drive Belt e 18 20 Track Adjustmant Se GENEE 28 39 13 34 28 33 Warranty T E Weight Transfer System KO 15 THIS SNOW THROWER HAS A TRACK DRIVE SYSTEM EQUIPPED TO GIVE YOU FREE WHEELING CAPABILITY lf your snow thrower must be moved without the aid of the engine it will be easier to pull the snow thrower backward by the handies rather than pushing For details on ho
5. 752x 91x 02 53715 Pulley Engine 581264 Belt Auger Drive 50677 Flatwasher 375x1 25x 104 71063 Lockwasher Split 381D 7 1015 Screw HHC 3 8 24x1 In 418026 31 1992 B 33 CRAFTSMAN 24 SNOW THROWER 536 884821 DRIVE COMPONENTS REPAIR PARTS t0 OO JO mh Gh A Z orm PART NO PART NAME 579941 53703 71079 53818 579937 11871 71059 71034 579877 580959 85501 73812 73811 580969 49562 Lever Assembly Traction Clutch Bearing Flange Pin Cotter Spring Return Lever Spring Traction Clutch Screw HHC 1 4 20 x 5 8 In Lockwasher Split 26 x 50 x 06 Nut Hex 1 4 20 Thd Disc Friction Wheel 7 Shaft Hex Traction Bearing Assembly Trunion Flatwasher 50 x 1 00 x 06 Ring Retainer Flatwasher 680 x 1 12 x 06 Bearing Roller A HERS iim Mh a NENNEN ied Ab MAN Saeed NA go 7 EE indicates Standard Hardware Items PART NO 280970 80961 80965 578962 579052 1413 70982 71060 579858 579897 579867 581773 53830 579893 gt PART NAME Key Square Pulley Auger Drive Wave Washer Flatwasher 281x 1 00 x 063 Screw HHC 1 4 20 x 5 8 In Bearing amp Retainer Assembly Screw Walap 5 16 18 x 1 2 In Lockwasher Split 31 x 58 x 08 Washer Special Shaft Hex amp Sprocket Assembly Chain Roller 42 Hub Friction Wheel Wheel Friction Disc Sprocket 8 Tooth Assembly 318791 313956
6. CRAFTSMAN 4 CYCLE ENGINE Ref No Part No Ref Part Part Name No No Cover Carburetor Screw Pan hd Sems 8 32 x 5 16 Plate Fuel tank mounting Bracket Fuel tank Screw Hex hd w helleville washer 1 4 20 x 11 16 Washer Flat Primer Assy Line Primer Baffle Heat Extension Baffle Screw Hex washer hd 8 32 x 1 2 Handle Starter Carburatar incl No 184 Starter Rewind Electric Starter Kit 332900 Optionall Sold as accessory Gasket Set Incl items marked Oil 4 Cycle SAE 8W30 quarti 42 MODEL HS50 67326K Part Name indicates Parts included in Gasket Set Ref No 400 tin original production the speed con trol assembly is riveted to the blower housing battle Replacement speed control assembly includes screws and nuts for mounting Replacement baffle has threaded holes 43 SEARS OWNER S MANUAL MODEL NO 536 884821 HOW TO ORDER REPAIR PARTS CRAFTSMAN 5 HORSEPOWER 24 DUAL STAGE TRAC PLUS OPTIONAL ELECTRIC START SNOW THROWER Each SNOW THROWER has its own MODEL NUMBER found on the motor mount frame Each ENGINE has its own MODEL NUMBER found on the BLOWER HOUSING Always mention these MODEL NUMBERS when requesting service or Repair Parts for your SNOW THROWER All parts listed herein may be ordered through any Sears Service Center Department and most sears Stores WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION
7. e Check the clutch control cable adjustment Reconnect the spark plug wire The drive belts on this snow thrower are of special construction and should be replaced with original equipment belts available from your nearest SEARS Store or Service Center You will need the assistance of a second person while replacing the belts Drain the gasoline from the fuel tank by removing the fuel line Drain the gas and reinstall fuel line CAUTION DRAIN THE GASOLINE OU Bb DOORS AWAY FROM FIRE OR FLAME AUGER DRIVE BELT if your snow thrower will not discharge snow and the auger drive belt is damaged replace it as follows e Disconnect the spark plug wire Remove the belt cover See Fig 26 e Loosen the belt guides See Fig 27 and pull away from the drive pulley e Loosen the auger idler pulley See Fig 28 and slip the belt out e Remove top two bolts that secure auger housing to motor mount frame Loosen bottom two botts Auger housing and motor mount frame will separate hinged by bottom two bolts o Remove brake arm from housing Do not remove spring o Removethe belt fromthe augerdrive engine pulley o Install the original equipment replacement belt in reverse order of removal e Reinstall brake arm into housing Insure brake arm is fully inserted into housing and brake pad is riding in pulley groove e Position drive belt onto the auger drive pulley e Adjustthedrivebelt se
8. Check electrodes gap See Fig 41 witha wire feeler gauge and reset the gap to 030 inch if necessary 030 GAP s d 3 Ca be D TO REPLACE if you need a new spark plug use only the proper replacement spark plug See page 38 e Set the gap to 030 6 Before installing the spark plug coat its threads lightly with graphite grease to insure easy remaval e Tighten the plug firmly into the engine e ffatorque wrench is available torque the plugto 18 to 23 ft lbs CAUTION NEVER STORE YOURSNOW THROWER INDOORS OR IN AN EN CLOSED POORLY VENTILATED AREA IF GASOLINE REMAINS IN THE TANK FUMES MAY REACH AN OPEN FLAME SPARK OR PL LOT LIGHT FROM AFURNACE WATERHEATER CLOTHES DRYER CIGARETTE ETC To prevent engine damage if snow thrower is not used for more than 30 days follow the steps below ENGINE STORAGE Gasoline must be removed or treated to prevent gum deposits from forming in the tank filter hose and carburetor during storage Also during storage al cohol blended gasoline that uses ethanol or metha nol sometimes called gasoho attracts water Itacts on the gasoline to form acids which damage the engine e Toremove gasoline run the engine until the tank is empty and the engine stops Then drain remaining gasoline from carburetor by pressing upward on bowl drain located on the bottom of carburetor See Fig 42 if you do not want to remove gasoline a fuel stabiliz
9. NEVER MOVE THE SPEED SHIFTER SS EE E LEVER WHILE THE TRACTION LE CAUTION READ OWNER S MANUAL VER IS DOWN BEFORE OPERATING MACHINE TO THROW SNOW NEVER DIRECT DISCHARGE TOWARD i BYSTANDERS STOP THE ENGINE BE e Pushdownthe auger drive lever See Fig 11 right FORE UNCLOGGING DISCHARGE hand e Release to stop throwing snow CHUTE OR AUGER HOUSING AND BE FORE LEAVING THE MACHINE 11 TO USE WEIGHT TRANSFER SYSTEM in hard packed or heavy snow conditions conventional snow throwers tend to ride up andleave uneven mounds of snow behind For these conditions your new tracked snow thrower has a unique weight transfer system See Fig 12 designed to minimize ride up The weight transfer system engaged shifis more weight to the auger housing This weight transfer keeps the snow thrower in contact with the ground and reduces ride up on ice and snow In lighter snow conditions or when transporting you should release the weight transfer system for easier Steering To use the weight transfer system lift up on upper handie until bracket bolts snap into place in upper slots of weight transfer pedal e Torelease hold upper handie firmly and push down onthe weight transfer pedal with the ball of your foot MOTE The weight transfer system will not work if the auger housing height adjust skids are adjusted to the highest position TRACK DRIVE FREE WHEEL FEATURE The track system on your snow throwe
10. Never direct discharge at bystanders or allow anyone in front of the snow thrower 9 Do not run the engine indoors except when starting the engine and for transporting the snow thrower in or out ofthe building Open the outside doors exhaust fumes are dangerous containing CARBON MONOXIDE an ODOR LESS and DEADLY GAS 9 Take all possible precautions when leaving the snow thrower unattended Disengage the au ger impeller shift to neutral stop engine and remove key 9 Do not overload the machine capacity by at tempting to clear snow at too fast a rate onm STORAGE Always referto Owner s Manualinstructions for important details if the snow thrower is to be stored for an extended period 9 Disengage power to the auger impeller when snow thrower is transported or not in use 9 Never store the snow thrower with fuel in the fueltankinside abuilding where ignition sources are present such as hot water and space neaters clothes dryers and the like Allow the engine to cool before storing in any enclosure DANGER CAUTION AVOID M INJURY FROM ROTAT CAUTION STOP THE ING AUGER KEEP ENGINE BEFORE HANDS FEET AND UNCLOGGING DIS CLOTHING AWAY CHARGE CHUTE e After striking a foreign object stop the engine remove the wire from the spark plug or dis connect the cord from the electric motor Thoroughly inspect the snow thrower for any damage and repair the damage before restart ing an
11. Nyl 3 8 16 Thd Bracket Chute Control R H Bracket Chute Control L H Bolt Carriage 5 16 18 x 3 4 In Lockwasher Split 5 16 In Nut Hex 5 16 18 Thd Rod Chute Control Nut Hex Jam 1 2 20 Thd Lockwasher Split 1 2 In sch O DO CO Oc Oh CO PO w cand 71045 Nut Hex dam 3 8 16 T hd Bracket Chute Hotate Stop Indicates Standard Hardware items DISCHARGE CHUTE REPAIR PARTS PART NO PART NAME 307665 Upper Chute Deflector 308931 Wire Chute Hinge 302634 302680 71391 302843 307698 305236 71067 73826 308839 85480 309057 71032 71058 Screw SitMa 5 16 18 x 3 4 In Flatwasher 312 x 73 x 065 Locknut Hex 5 16 18 Tha Bott Carriage 5 16 18x1 1 4 In Ref ltem No 6 57171 Knob Tee 1877 a Page 30 71037 Nut Hex 5 16 18 Thd Lower Chute Screw HHC 1 4 20 x 1 2 In Flatwasher 286 x 63 x 065 Locknut Hex 1 4 20 Thd Ring Lower Chute Clip Chute Retainer Clip Chute Retainer w Stop Screw WahMa 78 32 x 1 2 In Locknut Hex 48 32 Indicates Standard Hardware Items 919029313998 A 29 CRAFTSMAN 24 SNOW THROWER 536 884821 AUGER HOUSING REPAIR PARTS Ce NR ASE AAR PRI A E PART NO PART NAME Blade Scraper 22 In t Pulley Traction Orive 2 Screw Set 5 16 18 x 1 2 in 3 Key Hi Pro 606 4 Bearing amp Retainer Assembly 5 Nut 5 16 18 Thd 6 Housing Auger Assembly 7 8 9 Flatwasher 9 32 x 5 8
12. PRODUCT SNOW THROWER MODEL NUMBER 536 884821 ENGINE MODEL NUMBER HS50 67326K PART NUMBER PART DESCRIPTION Your Sears merchandise has added value when you consider that Sears has service units nationwide staffed with Sears trained technicians Professional technicians specitically trained on Sears Products having the parts tools and equipment to insure that we meet our pledge to you we service what we sell SEARS ROEBUCK AND CO Chicago IL 60684 1 8533 09 04 91 Printedi in Wat in A
13. SLOW Adjust the idle adjusting screw in until the engine speed drops then adjust the screw out until the engine speed drops Note the difference between the two limits and set the screw in the middle of the range ifthe engine tends to stall under load or not accel erate from low speed to high speed properly adjust the high speed screw out in 1 8 turn increments until the problem is resolved e Let the engine run undisturbed for 30 seconds between each setting to allow the engine to react to the previous adjustments oe g IMPORTANT NEVER TAMPER WITH THE ENGINE GOVERNOR WHICH IS FACTORY SET FOR PROPER ENGINE SPEED OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS IF YOU THINK THE ENGINE GOVERNED HIGH SPEED NEEDS ADJUSTING CONTACT YOUR NEARESTSEARS SERVICECENTER WHICH HAS THE PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS TO ADJUST OR REPLACE THE SPARK PLUG lfyou have difficulty starting your snow thrower you may need to adjust or replace the spark plug Follow the instructions below Replace the spark plug if electrodes are pitted or burned or if the porcelain is cracked 23 IDLE ADJUSTING SCREW Close finger tight only HIGH SPEED ADJUSTING SCREW Closo finge TO ADJUST e Clean the spark plug by carefully Sctaping elec trodes do not sand blast or use a wire brush e Be sure the spark plug is clean and free of foreign material
14. Shift Screw WdFl 1 4 20x5 8 tn Locknut Hex 1 4 20 Thd Nut HexJam 1 2 13 Thd Knob Shift 1 2 13 Thd Plate Shift Lever Bearing Flange Shift Yoke Assembly Locknut Hex 3 8 16 Thd Ss O0O woun 5 oGm li mn Indicates Standard Hardware Items 319032 319053 B Haehette ae enee ennan eetere R CARBURETOR NO 632107A WB adana AMAA E Part Name Throttle Shaft Er Lever Assy Throttle Return Spring Throttle Shutter Throttle amp Choke Shutter Screw Choke Shaft r Lever Assy Choke Shutter Choke Positioning Spring Fuei Fitting idle Speed Screw Tension Spring ida Mixture Screw idle Tension Spring Washer Idle Screw O Ring idle Screw Float Bowl Assy incl Nos 32 Er 33 Shaft Moat Float O Ring Float Bowl to Body inlet Needie Seat E Clip fined No 31 Spring Clip Bowi Drain Assy oct No 33 Drain Plunger Gaskert Main Adj Scraw Assy incl Nos 41 A2 Er 43 O Ring High Speed Mixture Screw Washer High Speed Mixture Screw Tension Spring High Speed Mixture Screw fowl Nut Washer Walch Plug die Mixture Weil Walch Plug Atmospheric Vent Hepair Kit nci Parts Marked with d B A TU A D s in Mert eurer oer meer af P d ke d eme wun uiae ot vum wu eng Ny engt AE bont vier ve w ween wech JERE G amp S 5B8BSZSBBENBBN Starter Rewind Fia Spring Inet No 4 Washer Spring Brak
15. sss s MAINTENANCE eee SERVICE AND ADJUSTMENTS NN STORAGE SERVICE RECOMMENDATIONS TROUBLE SHOOTING esc d 7 REPAIR PARTS SNOW THROWER 28 40 REPAIR PARTS ENGINE PARTS ORDERING SERVICE Back Cover ETH ON 2 aur 13 13 25 xis T Jut at s A 22 dons 15 WEEN Handle Upper and Lower Height Adjust Skids Hex Shaft Ignition key omama MIMeX at s os Levers Ee Clutch 7 9 Choke CE io Shifter E entre Throttie Control RI Traction Drive Clutcn 7 Lubrication Auger Gear Box sue asin o ea Auger Shatt Tm Chart Engine Wi S Hex Shaft and Gears Weight Transter System EUR M Maintenance Agreement an Pte do pun AA n ub goa mh PA eee n Auger Gear Box unus a ess Auger Shaft nosua ama nar ENGINE oo sees m General Flecommenaations Hex Shaft and Gears ue Weight Transfer System o Ol ENOS aeneae Extrema Cold Weat er Storage LLLI MEE MAES NLIS I ypa kk EEEE EE EEES orare n EEE nA EEE EE AE Re d 19 13 13 14 12 Operation Engine Controls Free Wheel Track 8 Melt 2 15 22 0 11 13 14 ei frui er 5 ix Pe rasga p rero ord 10 11 18 11 13 14 9 10 41 13 14 r 9 10 11 18 S A 14 16 een Er SS ve 15 18 ee on 16 19 p19 19 S 16 13 16 enne OO 4 12 16 Operating Snow Thrower 11 42
16. where fumes may reach an open flame or spark ala cule SAFETY Never allow children or young teenagers to operate the snow thrower and keep them away while it is operating Never allow adults to operate the snow thrower without proper in struction Do not carry passengers Always wear safety glasses or eye shields during operation or while performing n adjust ment or repair to protect eyes from foreign objects that may be thrown from the snow thrower Exercise extreme caution when operating on or crassing gravel drives walks or roads Stay alert for hidden hazards or traffic Do nat put hands or feet near or under rotating parts Keep clear of the discharge opening at all times Exercise caution to avoid slipping or falling especially when operating in reverse or back ing up Do not clear snow across the face of slopes Exercise caution when changing direction on slopes Do not attempt to clear steep siopes Never operate the snowthrower witTiout proper quards plates or other safety protective de vices in place temperatures before starting to clear snow METERS SAFETY RULES REPAIR ADJUSTMENTS SAFETY 9 Never operate the snow thrower near glass enclosures automobiles window wells drop offs and the like without proper adjustment of the snow discharge angle Keep children and pets away 9 Never operate the snow thrower at high trans port speeds on slippery surfaces Look behind and use care when backing 9
17. CRAFTSMAN 24 SNOW THROWER 536 884821 TRACK ASSEMBLY REPAIR PARTS NO tO 0 A O U amp Q FS sch PART NO 580658 6001 71037 71060 71072 318455 318456 70978 51447 318454 45171 302613 580906 302847 580047 322424 239 580903 PART NAME Pedal Weight Transfer Boit Shoulder 5 16 18 Thd Nut Hex 5 16 18 Thd Lockwasher Split 31 x 58 x 08 Flatwasher 406 x 81 x 066 Bracket Weight Transfer L H Bracket Weight Transfer R H Screw WahTap 1 4 20 x 1 2 In Spring Drive Idler Plate Track Drive Locknut Whiz Wat 3 8 16 Thd Flatwasher 656 x 1 31 x 095 Wheel Pin Cotter Track 4 WD x 15 Pitch Pin Klick Ring Retaining Sprocket Track Drive Compact REF PART NO 70974 316863 46931 71034 580634 580764 73839 53836 579868 71035 581119 581170 580877 302818 71067 580654 indicales Standard Hardware Items Ba 4 3 a p P P a NW A 3 PART NAME Screw HHC 1 4 20 x 3 4 In Bearing Track Locknut Wd EL 1 4 20 Thd Nut Hex 1 4 20 Thd Bracket Track Tensioner Spacer Plastic 755x1 20x 410 Screw HHC 1 4 20 x 2 1 4 In Bearing Flange Chain Roller Nut Hex Nyl 1 4 20 Thd Shatt Axle Track Comp 20 Sprocket Hub Shaft Idler 4 Track Screw HHC 1 4 20 x 3 In Flatwasher 286 x 63 x 065 Shatt Foot Pedal 4 Track 319030 313999 A CRAFTSMAN 24 SNOW THROWER 536 884821 GEAR BOX REPAIR PARTS
18. For extremely hard packed snow surfaces adjust the skids upward so that the scraper bar touches the ground On gravel or crushed rock surfaces set the skids at 1 1 4 below the scraper bar see To Adjust Skid Height paragraph on page 17 Stones and gravel must not be picked up and thrown by the machine If the front of the snow thrower has a tendency to raise reduce the ground speed and engage the weight transfer system Alter the snow blowing job has been completed allow the engine to idle fora few minutes which will melt snow and accumutated ice aff the engine Clean the snow thrower thoroughly after each use Remove ice and snow accumulation and all debris from the entire snow thrower and flush with water if possible ta remove ail salt or other chemicals Wipe snow thrower dry CAUTION DO NOT ATTEMPT TO RE MOVE ANY ITEM THAT MAY BECOME LODGED IN AUGER WITHOUT TAKING THE FOLLOWING PRECAUTIONS e RELEASE AUGER DRIVE AND TRACTION DRIVE LEVERS MOVE THROTTLE LEVER TO STOP POSI TION e REMOVE DO NOT TURN IGNITION KEY e DISCONNECT SPARK PLUG WIRE e DO NOT PLACE YOUR HANDS IN THE Pulling of starter rope will produce a loud clattering sound This is not harmful to the engine or starter e With the engine not running wipe all snow and moisture fromihe carburetor coverin area of control levers Also move throttle control choke control and starter handle several times SNOW THROWING TIPS e For maxi
19. HAPER BAR After considerable use the metal scraper bar will have a delinite wear pattern The scraper bar may have to be returned to its original lower setting to maintain the original performance level To adjust o Position the snow thrower on a level surdace e Loosen the carriage bolts and nuts securing the scraper bar to the auger housing Adjust the scraper bar to the proper position tighten the carriage bolts and nuts making sure shat the scraper bar ts parallel with the working surface CAUTION BE CERTAIN TO MAINTAIN PROPER GROUND CLEARANCE FOR YOUR PARTICULAR AREA TO BE CLEARED OBJECTS SUCH AS GRAVEL ROCKS OR OTHER DEBRIS IF STRUCK BY THE IMPELLER MAY BE THROWN WITH SUFFICIENT FORCE TO CAUSE PERSONALINJURY PROPERTY DAMAGE OR DAMAGE TO THE SNOW THROWER AUGER HOUSING HEIGHT ADJUST SKID e Afler extended MNA the scraper bar may be reversed If the scraperbar must be replaced dueto wear removethe carriage bolts and nuts and install a new scraper bar TO ADJUST CHUTE CRANK ASSEMBLY if you cannot rotate the chute crank fully to the left and to the right you need to adjust the chute crank See Fig 21 e Loosen both 1 2 nuts on the crank adjusting rod using 3 4 wrenches e Rotate the adjusting rod in or out to allow about 1 8 clearance between the notch in the flange and the outer diameter of the worm e Once this clearance is set tighten the nuts NOTE Be sure the crank doe
20. In Lockwasher Split 1 4 In Nut Hex 1 4 20 Tid Auger Assembly R H Auger Assembly L H Bolt Carriage 1 4 20 x 5 8 In PART MO PART NAME 9524 Screw HHC 1 4 20 x 1 3 4 In 73826 Ir Locknut 1 4 20 Thd 301375 Bearing Flange 302627 Nut Wd Fi 5 16 18 Thd 302528 Screw Wa 5 16 18 x 3 4 in 306224 Plate Auger Side L H 306225 Plate Auger Side R H 307983 Skid Height Adjust 70993 Bolt Carriage 546 18 x 3 4 In 71071 Fiatwasher 11 32 In 71060 Lockwasher Split 5 16 In 70883 Screw 5 16 18 x 5 8 in 3943 Spacer Sleeve 250 x 47 x 20 Indicates Standard Hardware Items 3 8999 313997C 30 VAP OMAN XO ONG ENUM O9f 008004 I BELT COVER REPAIR PARTS PART NO PART NAME Cover Belt screw WaTap 1 4 20x1 2 In Flatwasher 5 8 In Page saath Ho 1 i indicates Slandard Hardware items es S a M d Se N Bown ai XS FILM LAC NG t SEA Rot tem No Ae Ye Page 32 i UAE d 3 318778 314018 A 31 CRAFTSMAN 24 SNOW THROWER 536 884821 FRAME COMPONENTS REPAIR PARTS No PARTNO 1 2 3 4 5 6 7 8 9 580928 71393 71100 70984 318453 70978 73801 71074 53703 580889 579874 73817 579856 71006 71072 50793 590 PAHT NAME Frame Screw HHC 5 16 24 x 1 in Locknut HexWdFl 5 16 24 Thd Screw WaTap 5 16 18 x 3 4 In Panel Bottom Screw WaTap 1 4 20 x 1 2 In Pin Spring Flatwasher 53 x 1 08 x 095 Bear
21. OR SPOUT TO PREVENT SPILL ING MAKE SURE TO WIPE UP ANY SPILLED FUEL BEFORE STARTING THE ENGINE STORE GASOLINE IN A CLEAN APPROVED CONTAINER AND KEEP THE CAP IN PLACE ON THE CONTAINER CAUTION NEVER RUN ENGINE IN DOORS OR IN ENCLOSED POORLY VENTILATED AREAS ENGINE EX HAUST CONTAINS CARBON MON OXIDE AN CDORLESS AND DEADLY GAS KEEP HANDS FEET HAIR AND LOOSE CLOTHING AWAY FROM ANY MOVING PARTS ON ENGINE AND SNOW THROWER WARNING TEMPERATURE OF MUFFLER AND NEARBY AREAS MAY EXCEED 150 F AVOID THESE AREAS DO NOT ALLOW CHILDREN OR YOUNG TEEN AGERS TO OPERATE OR BE NEAR SNOW THROWER WHILE d IS OPERATING TO STOP ENGINE o6 To stop engine move the throttle controf lever to STOP position and remove key Keep the key in a safe place The engine will not start without the key TO START ENGINE Be sure that the engine has sufficient oil Before starting the engine be certain that you have read the following information COLD START See Fig 14 e Besurethe auger drive andthe traction drive levers are in the disengaged RELEASED position e Move the throttle control up to RUN position e Pushthe key into the ignition slot found in parts page Be sure it snaps into place DO NOT TURN KEY Place extra key in a safe place e Rotate choke control to FULL choke position e Press the primer button in cold wealher Press two or three times while keeping your finger over the vent hole on the primer b
22. USE YOUR SNOW THROWER TO CONTROL SNOW DISCHARGE e Tumthe crank assembly to setthe direction of the snow throwing e Loosen the wing knob on the chute deflector and move the defiector to set the distance Move the deflector UP for more distance DOWN for less distance Then tighten the wing knob Fig 9 TO STOP YOUR SNOW THROWER e To stop throwing snow release the auger drive lever See Fig 11 6 Tostopthe track release the traction drive lever 6 Tostoptheengine push the throttle control lever to otf and pull out the ignition key See Fig 10 NOTE DO NOT tum key TO MOVE FORWARD AND BACKWARD Ces beste o To shift release the traction drive lever and move ML STARTER the speed shitter lever to the speed you desire HANDLE Ground speed is determined by snow conditions Select the speed you desire by moving the speed shifter lever into the appropriate colored area onthe control panel Red Wet Heavy Slushy Extra Deep Amber Moderate White Very Light Green Transport only TRACTION DRIVE AUGER DRIVE EVER LEVER e Engage the traction drive lever See Fig 11 leit hand As the snow thrower starts to move maintain a firm hold on the handies and guide the snow thrower along the clearing path Do not attempt to push the snow thrower e To move the snow thrower backward move ihe speed shifter lever into first or second reverse and engage the traction drive lever left hand FIG 11 IMPORTANT
23. bet Clean fuel line check fuel supply add fresh fuel gasolino od mixture if 2 cycle engine Engine stalls Unit running on CHOKE Move choke laver to OFF position Engine runs erraticalty Water or dirt in fuel system Use carburator bowl drain to flush and refill with fresh loss of power fuel Carburetor out of adjustment Adjust carburetor Excessive vibration E Loose parts damaged impeller Stop engine immediately and discannect spark plug wire Tighten all bolts and make all necessary repairs Hf vibration continues have the unit serviced by a competent repairman Unit fails to propel Klick pins improperly installed Replace drive belt itsel Drive belt loose of damaged Adjust traction drive cabig Incorrect adjustment of traction drive cable Wom or damaged friction wheel Replace friction wheel Unit faiis ta Auger drive belt loose or damaged Adjust auger drive balt replace if damaged discharge show Auger control cable nat adjusted Adjust auger control cable correctly Shear bolt broken Replace shear bait Discharge chute clagged Stop engine immediately and disconnect spark plug wire Clean discharge chute and inside of auger housing Foreign object lodged in auger Stop engine immediately and disconnect spark plug wire Remove object from auger Headlight does not work Loose wire connection Tighten connection Bulb bumed out Replaca headlight bulb Unit rides up Weight transfer disengag
24. cate the crank assembly and place the assembly aside e Remove and discard the packing material from around the snow thrower e Cutallfour corners of the carton from top to bottom and fay lay the panels flat 6 Remove the packing material from the shifter plate and upper handle assembly e Rollthe snow thrower off the carton by pullingonthe lower handle NOTE The drive system may be tight when you first use your snow thrower H loosens up as you use it e To complete upper handie installation and install chute crank assembly see To Install The Upper Handle and Crank Assembly paragraph on page 8 NOTE If the cables have become disconnected from the clutch levers reinstall the cables as shown in Fig 3 HOW TO SET UP YOUR SNOW THROWER e Your snow thrower is equipped with height adjust skids See Fig 2 on the outside of the auger housing To adjust the skid height for different conditions see To Adjust Skid Height paragraph on page 17 CAUTION IF YOU ARE REMOVING A SNOW FROM ANY ROCKY OR UNEVEN SURFACE RAISE THE FRONT OF THE SNOW THROWER BY MOVING THE SKIDS DOWN THIS WILL HELP TO PREVENT ROCKS AND OTHER DEBRIS FROM BEING PICKED UP AND THROWN BY THE AUGER LOWER HANDLE CONTROL PANEL CRANK ASSEMBLY n CHUTE CLUTCH OX vu P OEFLECTOR CABLES TD SHIFTER LEVER SHIFTER PLATE MOUNTING NUTS FIG 3 TO INSTALL THE UPPER HANDLE AND CRANK ASSEMBLY 9 Remove the screws flatwash
25. check the track as follows e Pull up gently on the center of the track near the center Measure the distance between thetrack andthetop of the track support frame See Fig 36 The distance should not be more than one and one quarter 1 1 4 inches If the distance is greater you need to adjust the track as follows e Loosenortightenthe adjusting bolt atthe rear ofthe track support frame See Fig 36 to obtain the proper distance between the track and the track support frame e Adjust the track on the opposite side in the same manner SHEAR BOLT a AUGER SHAFT TRACK property adjusted SUPPORT FRAME a Nae D A Ses AN Ox ADJUSTING BOLT TRACK out of adjustmant FiG 36 The carburetor See Fig 37 and Fig 39 has beenpre set atthe factory and readjustment should not be necessary However if the carburetor does need to be adjusted proceed as follows e Glose the high speed adjusting screw by hand e Donot overtighten o Then open it 1 1 4 to 1 1 2 turns o Close the idle adjusting screw by hand Do not overtighten Then open it 1 1 4 to 1 4 2 turns Start the engine and let it warm up e Set the throttle controi to RUN Adjust the high speed adjusting screw in until the engine speed or sound alters Adjust the screw out until the engine speed sound alters Note the difference between the two limits and set the screw in the middle of the range e Set the throttle control to
26. d operating the snow thrower if the snow thrower should start to vibrate abnormally stop the engine or electric motor and checkimmediately forthe cause Vibration is generally a warning of trouble Stop the engine or electric motor whenever you leave the operating position before un clogging the augerAmpeller housing or dis charge guide and when making any repairs adjustments or inspections Remove wire form spark plug or disconnect cord from electric motor When cleaning repairing or inspecting make certain the auger impeiler and all moving parts have stopped Disconnect the spark plug wire and keep the wire away from the plug to pre vent accidental starting Never attempt to make any adjustments while the engine is running except when specifically recommended in this manual Maintain or replace safety and instruction la bels as necessary Run the snow thrower a few minutes after throwing snow to prevent freeze up of the auger impeller LOOK FOR THIS SYMBOL TO POINT OUT IMPORTANT SAFETY PRECAUTIONS IT MEANS ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED CONGRATULATIONS on your purchase of a Sears Craftsman Snow Thrower It has been designed engi neered and manufactured to give you the best possible dependability and performance Should you experience any problem you cannot easily remedy please contact your nearest Sears Service Center Department We have competent well trained technicians and
27. e Dog Starter Spring Dog Pullay Spring Rewind Cover Spring Housing Assy Starter anpa Starter Length 987 Er 9 64 ia Handle Mitten Grip Not included with starter 39 MODEL and SERIAL NUMBERS HERE 40 CRAFTSMAN 4 CYCLE ENGINE MODEL HS50 67326K Solid State Assy Cover Spark plug Stud Solid state mounting Screw Torx T 15 hex washer hd Sems 10 24 x 1 Ground Wire Gasket Cylinder head Head Cylinder Incl No 131 Valve Exhaust Std Incl No 151 41 Ref Part Ref Part No No Part Name No No Part Name 1 Cylinder Assy Incl Nos 2 20 72 125 29315C Valve Exhaust 11 32 oversize Incl Pin Dowel No 151 Nipple Pipe 128 32044A Valve intake Std inci No 151 Cap Oil drain 126 326454 Valve Intake 1 32 oversize incl Washer Flat No 151 Rod Govemar 127 650691 Washer Flat Lever Govemor 123 650818 Screw Special hex hd 5 15 18 x Clamp Govemor lever 1 1 2 Screw Hex washer hd 8 32 x 5 16 130 5021A Screw Hex flange hd 5 16 18 x 1 1 2 Spring Extension 131 650594A Screw Hex flange hd 5 16 18 x 2 Seal Oil 135 35398 Plug Spark RJ 19LM or equivalent Baffle Biower housing 150 31872 Spring Valve Screw Fil hd Sems 8 32 x 1 2 181 31673 Cap Valve spring Locknut Hex Keps 8 32 169 2 234A Gasket Breather Screw Hex washer hd Durlok 1 4 20 170 47506 Body Valve cover x 5 8 171 31410 El
28. e To Adjust Auger Drive Belt paragraph on page 18 e Adjust the belt guides see To Adjust The Beit Guides paragraph on page 20 e Reinstall the belt cover e Check clutch control cable adjustment see page 18 e Reconnect the spark plug wire 19 TRACTION DRIVE TRACTION DRIVE BELT BELT GUIDE Laft Hand AUGER DRIVE BELT BELT GUIDE Right Hand AUGER DRIVE PULLEY AUGER IDLER PULLEY TRACTION DRIVE E IDLER PULLEY SI BELT GUIDE Lett Hand Me 4 32 INCH 3 32 INCH BELT GUIDE a6 Right Hand AUGER IDLER wma PULLEY ENGAGED IMPELLER PULLEY TRACTION DRIVE BELT if your snow thrower will not move forward check the traction drive belt for wear If the traction drive belt needs to be replaced proceed as follows e Disconnect the spark plug wire e Remove the belt cover See Fig 26 e Loosenbeltguides See Fig 27 and pullbell guides away from the engine drive pulley Loosen nut on auger idler and pull auger idler pulley away from belt Remove auger drive belt from engine pulley Pull drive belt idler pulley away from drive belt Remove drive belt Position new drive belt onto traction pulley Pull idler pulley away from belt allowing belt to be positioned onto engine pulley Release idier pulley Ensure idler pulley is properly engaged with belt e Adjust belt guides see To Adjust The Belt Guides paragraph below e Reinstall the belt cover e Reconnect the
29. eckup or tuneup by a SEARS Service Center is a good way to insure that your snow thrower will provide maximum performance for the next season LUBRICATION OTHER e If possible store your snow thrower indoors and cover it to give protection from dust and dirt e ifthe machine must be stored outdoors block up the snow thrower to be sure the entire machineis offthe ground Cover the snow thrower with a suitable protective cover that does not retain moisture Do not use plastic IMPORTANT NEVER COVER SNOW THROWER WHILE ENGINE AND EXHAUST AREAS ARE STILL WARM 24 SERVICE DATES Every Every 10 Hou n Adjustment See Cable Adjustment Replace Spark Flug Adjust Drive Betts Adjustment See Cable Adjustment Lubricate Auger Shaft See Shear Check Traction Clutch Cable Bolt Replacement Lubricate Ait Pivot Points Check Auger Clutch Cable 8 E 2 S 3 E E g S a Change Engine Oil Tighten All Screws and Nuts E 3 SI E zi aN bp le Fae BLL SE ins Se unh dabii LUBRICATION CHART Lubricate auger shaft Coat with a clinging type grease such as Lubriplate m Yao e KAN MOS di KO D NA po t hi p 2 POINTS TROUBLE CAUSE CORRECTION Difficult starting plug Replace dafoctive plug Water or dirt in fuel system Use carburetor bowi drain to flush and refill with fresh fuel Engine runs aratic Blocked fuel line or low on
30. ed Engage weight transfer system by lifting up on upper handle until bracket bolts snap into place in upper slats of weight transier pedal 27 CRAFTSMAN 24 SNOW THROWER 536 884821 HANDLE ASSEMBLY REPAIR PARTS a c S A i Ny i 478 MT Ref tem 1 gt i Page 32 t PART NAME 1 318457 Handle Upper 11261 Stop Red Plastic 5 16 In 2 4049 Bumper 12619 Screw HHC 5 16 18 x 2 In 3 307978 Auger Drive Lever RH 579869 Spring Drive Clutch LH 4 307976 Traction Drive Lever LH 308148 Boot Clutch Spring 5 3535 Nut Push On Cap 5 16 in 71035 Nut Hex Nyl 1 4 20 In 6 302578 Pin Clutch Handle Pivot 70885 Screw HHC 516 18 x 3 4 In 7 1573 Cable Clutch 1673 Spring Auger Clutch RH 8 11234 Screw Hex 5 16 18 x 2 3 4 In 318458 Handle Lower 9 71071 Flatwasher 11 32 In 318459 Bracket Shift 10 71060 Lockwasher Split 5 16 In 318533 Owners Manual 11 71037 Nut Hex 5 16 18 Tha indicates Standard Hardware Items 28 CRAFTSMAN 24 SNOW THROWER 536 884821 CHUTE CONTROL ROD REPAIR PARTS Page 25 Rot Item No 17 Page 28 PART NAME 581621 Crank amp Worm Assembly 71072 Flatwasher 406 x 81 x 066 71082 Pin Coiler 104 Cap Plastic 307399 Handle Grip Chute Control Rod 309312 Flatwasher 39 x 70 x 05 304872 Ring Retainer 581618 Bolt Eye 148 Grommet Eye Bolt 308145 Boot Eye Boll Chute Crank Adapter Boot to Handle Nut Hex
31. ement Sreather Crankshatt Assy 172 34146 Cover Breather Piston Pin amp Ring Assy Std incl 173 35350 Tube Breather Nos 41 42 amp 43 174 650128 Screw Hex hd Sems 10 24 x 1 2 Piston Pin amp Ring Assy 010 over 78 29782 Nut amp Lockwasher 1 4 2B siza incl Nos 41 42 amp 43 18 8201 Screw Hex hd 1 4 28 x 7 8 Piston Pin amp Ring Assy 020 over 182 650870 Screw Hex hd 1 4 28 x 1 11 16 size Incl Nos 41 42 amp 43 183 34583 Bracket Choke Piston amp Pin Assy Std Incl No 43 184 26756 Gasket Carburetor Piston amp Pin Assy 010 oversize 185 S691 Pipe intake tinct No 43 186 i 32698 Link Governor to throttle Piston amp Pin Assy 020 oversize 200 3385BA Control Assy Bracket nci Nos incl No 43 25A 25B 203 204 amp 206 Ring Set Piston Std 403 31342 Spring Compression Ring Set Piston 010 oversize 204 850549 Screw Fil hd 5 40 x 7 16 Ring Set Piston 020 oversize 206 610973 Terminal Assy 43 Ring Piston pin retaining 215 35440 Knob Speed controt 45 Rod Assy Connecting Incl Nos 46 219 34582 Rod Choke f 49 220 35438 Knob Choke control 46 Bolt Connecting rod 222 jj 28820 Screw Fil hd Sems 10 32 x 1 2 48 Lifter Vaive 223 650664 Screw Fil hd Sems 1 4 20 x 1 13 32 43 Dipper Oil 224 33873A Gasket Intake to cylinder 50 Camshaft Compression Release 260 35656 Housing Blower 60 Extens
32. er such as Craftsman Fuel Stabilizer No 33500 may be addedto any gasolineleft inthetank to minimize gum deposits and acids Hf the tank is almost ernpty mix stablilizer with fresh gasoline in a separate container and add some to the tank ALWAYS FOLLOW INSTRUCTIONS ON STABI LIZER CONTAINER THEN RUN ENGINE AT LEAST 10 MINUTES AFTER STABILIZER IS ADDED TO ALLOW MIXTURE TO REACH CAR BURETOR STORE SNOWTHROWER N ASAFE PLACE SEE WARNING ABOVE You can keep your engine in good operating condi tion during storage by e Changing oil Lubricating the piston cylinder area This can be done by first removing the spark plug and squirting clean engine oil into the spark plug hole Then cover the spark plug hole with a rag to absorb oil spray Next rotate the engine by pulling the starter rope fully out two or three times Finally reinstall spark plug and attach spark plug wire BOWL CARBURETOR DRAIN HOWL SNOW THROWER STORAGE e Thoroughly clean the snow thrower Lubricate all lubrication points see the Mainte hance section on pages 15 16 Besurethat all nuts bolts and screws are securely fastened Inspect all visible moving parts for dam age breakage and wear Replace if necessary 2 iouchupallrusted or chipped paint surfaces sana lightly before painting e Cover the bare metal parts of the blower housing auger and the impeller with rust preventative such as sprayable lubricant NOTE A yearly ch
33. er knob onto the threaded end of the shifter lever umil it is snug against the hex nut and the lip is pointed toward the engine Tighten the hex nut against the bottom of the shift lever knob See Fig 6 SHIFTER KNOB TO CHEC CONTROL CABLES The control cables Fig 7 attached to the auger clutch lever and traction clutch lever may need to be adjusted before you use your snow thrower For instructions on checking or adjusting the control cables see To Adjust Clutch Contro Cables paragraph on page 18 AUGER CLUTCH TRACTION CLUTCH LEVER LEVER CONTROL CABLES OPERATION KNOW YOUR SNOW THROWER READ THIS OWNER S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR SNOW THROWER Compare the illustrations with your snow thrower to familiarize yourself with the location of various controls and adjustments Save this manual for future reference AUGER DRIVE LEVER TRACTION DRIVE LEVER CRANK ASSEMBLY CHUTE DEFLECTOR PRIMER BUTTON SCHAPER BAR FIG 8 SEARS FREE WHEELING SNOW THROWERS conform to the safety standards of the American Nationa Standards Institute AUGER DRIVE LEVER Starts and stops the auger and impeller snow gathering and throwing TRACTION DRIVE LEVER Propels the snow thrower forward and in reverse SPEED SHIFTER LEVER Selects the speed of the snow thrower 6 speeds forward and 2 speeds reverse CRANK ASSEMBLY Changes the direction of snow throwing thr
34. ers lockwashers and hex nuts securing the shifter plate in the lower holes of the lower handie Loosen but do not remove the screws flatwashers lockwashers and hex nuts in the upper holes of the lower handle faise upper handle into operating position Upper handle should be to the outside of the lower handle and shifter plate to the inside Replace the screws flatwashers lockwashers and hex nuts throughthe handles and shifterplate Do not tighten until ail boits are in place Tighten left hand side first NOTE Unless you have the assistance of another per son it may be easierto install one side of the handie at the time e Tighten the screw flatwasher lockwasher and hex nut at the upper right hand hole only See Fig 4A e Remove the screw flatwasher lockwasher and hex nut from the upper left hand hole of the lower handie and discard e Remove the 3 8 nylon locknut and flatwasher from the eye boit assembly on the chute crank assembly earlier Check to make sure the two 3 8 jam nuts are tight The jam nuts should be 3 75 inches from the endof the eye bolt Fig 4B e install eye bolt through lower hole on the left hand side of the handle See Fig 4B e Install the 3 8 flatwasher and the 3 8 nylon locknut loosely on the eye bolt as shown in Fig 4B e Rernove the plastic cap the cotter pin and the washer from the wormed end of the crank assembly and set aside See Fig 5 Rotate the
35. factory installed or optional starting motors Use only attachments and accessories ap proved by the manufacturer of the snow thrower such as electric starter kits etc Never operate the snow thrower without good visibility ar light Always be sure of your footing and keep a firm hold on the handles Walk never run This snow thrower is for use on sidewalks driveways and other ground level surfaces CAUTION should be exercised while using on steep sloping surfaces DO NOT USE SNOW THROWER ON SURFACES ABOVE GROUND LEVEL such as roots of residences garages porches or other such structures or buildings Check shear bolts and other bolts at frequent intervals for proper tightness to be sure the snow thrower is in safe working condition Disengage all clutches and shift into neutral before starting the engine Adjust the snow thrower height to clear gravel or crushed rock surface Let engine and snow thrower adjust to outdoor SR SAFETY Handle fuel with care it is highly flammable Use an approved fuel container Check fuel supply before each use allowing space for expansion as the heat of the engine and or sun can cause fuel to expand Fill fuel tank outdoors with extreme care Never fill fuel tank indoors Replace fuel tank cap securely and wipe up spilled fuel Never remove fuel tank cap or add fuel to a running engine or hot engine Never store fuel or snow thrower with fuel in the tank inside a building
36. ing Flange Shaft Auger Clutch Assy Lever Auger Clutch Nut Push On Cable Ciutch Screw HHC 3 8 16 x 1 1 4 in Flatwasher Pulley idler Locknut Jam 3 8 16 Thd Ret Item No 1 579860 71360 71067 71035 580944 302623 580946 581540 318468 579872 70985 73795 579865 71038 53704 1502 120393 Indicates Standard Hardware Items Spool Cable Auger Clutch Screw HHC 1 4 20 x 1 3 4 In Flatwasher 286 x 63 x 065 Nut Hex Nyi 1 4 20 Thd Carn Brake Arm Bolt Carriage 1 4 20 x 5 8 In Rod Brake Arm Pad Brake Spring Tension Lever idler Arm Traction Screw HHC 5 16 18 x 3 4 in Flatwasher 328 x 1 38 x 075 Bushing idier Lever Nut Hex Nyl 5 16 18 Thd Spring tdler Traction Drive Locknut Hex 1 4 20 Thd Flatwasher 344 x 69 x 065 318790 313993 CRAFTSMAN 24 SNOW THROWER 536 884821 Ad ENGINE COMPONENTS REPAIR PARTS renge W i Y no e E s M 8 i b Ni M 10 db iin De X e 12 amp E zii fy 13 BR F l o d y Ret Item No 1 P ai Page 32 Ref item No 17 Get kom No 1 TU Pagos F4 PART NO PART NAME 318551 Engine Craftsman Model No HS50 67326K See Engine Repair Parts list 302636 Screw HHG 5 16 18x1 1 4 in 71060 Lockwasher Split 5 16x 58x 08 579857 Bracket Bett Guide 578733 Screw HHC 5 16 24x5 8 In 579855 Washer Crankshaft 5 9854 Pulley Half 579932 Belt Traction Drive 579861 Flatwasher
37. ion Blower housing 261 29212 Screw Hex hd Sems 1 4 28 x 7 16 61 Bracket Grommet mounting 267 34212 Bracket Hold down 82 Screw Pan hd taptite 8 32 x 3 B 268 30200 Screw Hex washer hd self tao Sems 63 Grommet Plastic 10 24 x 9 16 64 Screw Torx T 30 Hex washer hd 272 650735 Screw Hex hd Sems taptite 10 24 x Sems 1 4 20 x 1 2 3 8 64A Washer Flat 2 3 Bracket Carburetor cover 65 Screw Hex hd Sems 10 24 x 1 2 27 4 33070A Gasket Exhaust 69 Gasket Cylinder cover 2 5 3387A Muffler incl Ne 274 70 Cover Cylinder incl Nos 75 amp 80 277 86850327 Screw Fil hd 1 4 20x 2 1 2 72 Plug Pipe 1 4 18 4B3 34594 Cup Starter 75 Seal Gil 287 650884 Screw Hex washer hd 8 32 x 1 2 80 Shaft Mechanical govemor 290 i 30705 Line Fuel 81 Washer Flat 292 26450 Clamp Fuel line 82 Gear Governor incl No 81 298 650665 Screw Hex washer hd thread cutting 83 Spool Governor 1 4 15 x 7 8 84 Ring Retaining 300 38584 Tank Assy Fuel incl Nos 292 Er 301 85 Screw Hex hd Sems 1 4 20 x 1 1 4 301 35355 Cap Assy Fuel 89 Kay Flywheel 307 35499 O Ring 90 Flywheel w ring gear 308 35539 Clip Oil fil 92 Washer Belleville 310 35556 Dipstick 53 Nut Flywheel 313 34080 Spacer Flywheel key 98 Screw Hex washer hd self tep Sems 327 35392 Plug Starter 10 24 x 9 15 329 610973 Terminal Assy 330 35288 Wire Ground indicates Parts Included in Gasket Set Ref No 400
38. late and wheel thoroughly NOTE For storage the hex shaft and gears should be wiped with 10W 30 motor oil io prevent rusting See Fig 17 e Auger Gear Box The auger gear box has been factory lubricated for lile If for some reason lubri cant should leak out have auger gear case checked by a competent repairman LUBRICATION Check the crankcase oil level See Fig 18 before starting the engine and after each five 5 hours of continuous use Add S A E 10W 30 motor oil or equiva lent Tighten fill cap dipstick securely each time you check the oil level S A E SW 30 motor oil may be used to make starting easier in areas where the temperature is 20 F or lower Change the oil after first twa hours of operation and every 25 hours thereafter or at least once a year if the snow thrower is not used for 25 hours See Fig 19 e Position snow thrower so that the oil drain plug is lowest point on the engine Remove oil drain plug and oil fill cap dipstick Drain oil into a suitable container Oil will drain more ireely when warm e Replace oil drain plug and tighten securely Refill crankcase with S A E 10W 30 motoroil or equiva lent SG AE 5W 30 motor oil may be used to make starting easier in areas where the temperature is 20 F or lower SPARK PLUG e Make sure thatthe spark plugis tightened securely into the engine and the spark plug wire is attached to the spark plug e lfatorque wrench is available torque
39. mum snow thrower efficiency in removing snow adjust ground speed NEVER the throttle Go slower in deep freezing or wet snow If the track slips reduce forward speed The engineis designed to deliver maximum performance at full throttle and should be run at this power setting at all times e Most efficient snow blowing is accomplished when the snow is removed immediately after it falls e Forcomplete snow removal slightly overlap each path previously taken Use more overlap in deep snow to prevent overloading e Thesnow should be discharged down wind when ever possible AUGER OR DISCHARGE CHUTE USE A PRY BAR E E s hu we o wu e The warranty on this snow thrower does not cover items that have been subjected to operator abuse or negli gence To receive full value from the warranty operator must maintain snow thrower as instructed in this manual Some adjustments will need to be made periodically to properly maintain your snow thrower All adjustments inthe Service and Adjustments section of this manual should be checked at least once each season AFTER FIRST USE e Gheckthetracksfortension and adjust it necessary See To Adjust Track paragraph on page 23 Check the track adjustment and fasteners regularly e Se sure that all fasteners are tight AS REQUIRED The following adjustments should be performed more than once each season e Auger and Track Drive Belts should be adjusted after the fir
40. n and free from rust or other foreign particles Never use gasoline that may be stale from long periods of storage in the container NOTE S A E 5W 30 motor oil may be used to make starting easier in areas where the temperature is 20 F or lower WARNING Experience indicates that alcohol blended fuels called gasohol or those using ethanol or methanol can attract moisture which leads to separation and for mation of acids during storage Acidic gas can damage the fuel system of an engine while in storage To avoid engine problems the fuel system should be emptied before storage for 30 days or longer Start the engine and let it run until the fuel lines and carburetor are empty Use the carburetor bowl drain to empty residual gasoline from the float chamber Fig 42 Use fresh fuel next season See Storage instructions on page 25 for additional information Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur a CAUTION GASOLINE IS FLAMMABLE Ah AND CAUTION MUST BE USED WHEN NES HANDLING OR STORING IT DO NOT FILL FUEL TANK WHILE SNOW THROWER IS RUNNING WHEN IT IS HOT OR WHEN SNOW THROWER IS IN AN ENCLOSED AREA KEEP AWAY FROM OPEN FLAME OR AN ELEC TRICAL SPARK AND DO NOT SMOKE WHILE FILLING THE FUEL TANK NEVER FILL THE TANK COMPLETELY FILL THE TANK TO WITHIN 1 4 1 2 FROM THE TOP TO PROVIDESPACEFOREXPANSION OF FUEL ALWAYS FILL FUEL TANK OUTDOORS AND USE A FUNNEL
41. nce and Storage sections of this owner s manual TWO YEAR LIMITED WARRANTY ON CRAFTSMAN SNOW THROWER For two years from the date of purchase when this Craftsman Snow Thrower is maintained lubricated and tuned up according to the instructions in ihe owner s manual Sears will repair free of charge any defect in material and workmanship If this Craftsman Snow Thrower is used for commercial or rental purposes this warranty applies for only 90 days from the date ot purchase This warranty does not cover the following Expendable items which become wom during normal use such as spark plugs drive belts and shear pins Repairs necessary because of operator abuse or negligence including bent crankshafts and the failure to maintain the equipment according to the instructions contained in the owner s manual WARRANTY SERVICE IS AVAILABLE BY RETURNING THE CRAFTSMAN SNOW THROWER TO THE NEAREST SEARS SERVICE CENTER DEPARTMENT IN THE UNITED STATES THIS WARRANTY APPLIES ONLY WHILE THIS PRODUCT IS IN USE IN THE UNITED STATES This warranty gives you specific legal rights and you may also have other rights which may vary trom state to state SEARS ROEBUCK AND CO Department 731CR W Sears Tower Chicago IL 60684 4 SAFETY RULES PRODUCT SPECIFICATIONS 4 CUSTOMER RESPONSIBILITIES WARRANTY siciccetvsssnravstiavctarcaees TABLE OF CONTENTS INDEX tines eee ASSEMBLY
42. notched section of the discharge chute taward the crank adjusting rod e install the wormed end of the crank through the hole in the adjusting rod and secure the end with the flat washer and cotter pin as shown in Fig 5 e Gend the ends of the cotter pin around the rod and reinstall the plastic cap e Tighten the eye bolt installed earlier keeping eye in line with the rod while tightening the inside securely e Make sure the outside 3 8 jam nut is up against the other 3 8 jam nut and slide the boat over the adapter See Fig 48 e Rotate the chute crank fully clockwise and fully counter clockwise The discharge chute should rotate fully with approximately 1 8 inch clearance SH the worm and the bottom of the notch See ig 5 ASSEMBLY 1318 LOCK WASHER FIG 4A ADJUST NUTS TO MOVE LEFT HANDLE EYE BOLT IM OR OUT TIGHTEN N8 JAM NUT UP AGAINST OTHER ii JAM NUT PLASTIC _NOTCHE SECTION CAP COTTER MSN PIN 16 i CLEARANCE pen stt fa arth X9 6 AERA Brech 1 2 INCH CRA TING ROD RANK ADJUS WORM FIG 5 lf the chute crank needs to be adjusted go to the Service and Adjustments section on page 17 Screws securing chute clips at the base of the chute should be slightly loose for easy rotation NOTE Be sure the crank does not touch the side of the engine or the cover will be scratched TO INSTALL SHIFTER LEVER KNOB 6 Thread the shitter lev
43. onto hub See Fig 34 NOTE Ensure friction wheel and friction disc are free ES from grease or oil install bearing plates to original position Ensure hex shaft is engaged with both bearing plates e Replace bottom panel e Securebearing plates using bolts removed earlier e Secure friction wheel to hub using fasteners re moved earlier Ensure hex shaft turns freely e Reinstall ball joint to shift yoke assembly e Should friction wheel require adjustment see To Adjust The Friction Wheel on page 20 21 ADJU B TO REPLACE AUGER SHEAR BOLT The augers are secured to the auger shaft with special bolts See Fig 35 that are designed to break to protect the machine if an ohject becomes lodged in the auger housing Use of a harder bolt will destroy the protection provided by the shear bolt IMPORTANT TO INSURE SAFETY AND PERFORMANCE LEVELS ONLY ORIGINAL EQUIPMENT SHEAR BOLTS SHOULD BE USED To replace a broken shear bolt proceed as follows e Movethethrottle to STOP and turn off ali controls e Disconnect the spark plug wire Be sure all moving parts have stopped e Lubricate the auger shaft zerk fitting see the Main tenance section pages 15 16 e Aligntheholeinthe auger withthe hole inthe auger shaft install the new shear boit and shear boit spacer provided e Reconnect the spark plug wire TO ADJUST TRACK ifthe snow thrower does not move forward evenly andthe trackslips slightly you need io
44. ough the discharge chute CHUTE DEFLECTOR Changes the distance the snow is thrown DISCHARGE CHUTE Changes the height and direction the snow is thrown KLICK PIN Changes the track drive from normal to free wheel drive which allowsthe unit to betransportedeasily without the engine being started WEIGHT TRANSFER PEDAL When engaged hy lifting up on the upper handle it helps keep the snow thrower in contact with the ground and reduces ride up on ice and hard packed snow When released by push ing down on weight transfer pedal with the ball of your foot it eases steering of the snow thrower HEIGHT ADJUST SKIDS Adjuststhe ground clearance of the auger housing IGNITION KEY Must be inserted to start the engine RECOIL STARTER HANDLE Starts the engine manu ally CHOKE CONTROL Used to start a cold engine PRIMER BUTTON injects fuel directly into the carbu retor manifold for fast starts in cold weather m et THROTTLE CONTROL Controls the engine speed GEIIUIECNR Theoperationo any snow thrower can result in foreign objects being thrown into the nf SRT pes eyes which can result in severe eye damage Always wear safety glasses or eye i shields while operating the snow thrower We recommend standard safety glasses available at SEARS Retail or Catalog FORESIGHT IS BETTER THANNOSIGHT NNO SI Stores or a wide vision safety mask for over your glasses HOW TO
45. plug to 18to 23 foot pounds e Clean the area around the spark plug base before removal to prevent dirt from entering the engine ge Cleanthe spark plug and reset the gap periodically 16 OIL FILL CAP DiPSTICK NOTE OIL LEVEL MUST BE BETWEEN FULL AND ADD MARK CAUTION ALWAYS DISCONNECT THE a SPARK PLUG WIRE AND TIE BACK SENS AWAY FROM THE PLUG BEFORE MAK ING ANY ADJUSTMENTS OR REPAIRS SKID MOUNTING NUTS TO ADJI UST SKID HI HEIGHT p This snow thrower is equipped with two height adjust ment skids located on the outside of the auger housing See Fig 20 These skids elevate the from of the snow thrower For normal hard surfaces adjust the skids as follows e Make sure the weight transfer system is released by holding upper handle firmly and pushing down weight transfer pedal with the ball of your foot e Place extra shear boits supplied found in parts bag under each end of the scraper bar near but not under the skid e Loosen the skid mounting nuts See Fig 20 and push the skid down until it touches the ground Retighten the mounting nuts gt Set the skid on the other side at same height For rocky or uneven surfaces raise the front of the snow thrower by moving the skids down further This will help prevent rocks and other debris from being picked up and thrown by the auger NOTE Ifthe skids are al the maximum height the weight transfer system will not work TO ADJUST SC
46. r has a drive free wheelfeature See Fig 12A which allows the unit ta be transported easily without the engine being started e Touse free wheeling lift up the loop of the klick pin inthe front track wheel and pullthe pinout Install the pin through the hole in the shaft outside of the track wheel Repeat on the opposite side of the unit e Touse normal drive lift the oop of the Wick pin from the outside hole in the shaft Rotate the front track wheel until the hole in the track wheel hub and the outside hole inthe shaft are in line Place pinthrough the hole in the track hub Repeat on the opposite side of the unit NOTE if unit does not move when engine is started check the pin locations Pins on both sides of unit should be in the normal drive position for unit to move BEFORE STARTING THE ENGINE FILL ADD OIL The engine on this snow thrower was shipped without oll Add oil before you start the engine Remove the oil fill cap dipstick and fill the crank case to FULL line on dipstick about 20 ounces See Fig 13 with S AE 10W 30 motoroil orequivalent Do net overfill Tighten the fill cap dipstick securely each time you check the oil level OPE UPPER HANDLE Lift up here WEIGHT TRANSFER PEDAL UPPER SLOT NOTE OIL LEVEL MUST BE BETWEEN FULL AND ADD MARK FILL GAS Fill the fuel tank with clean fresh unleaded grade automotive gasoline Be sure that the container you pour the gasoline from is clea
47. rol cable adjustment belore replacing the belt Replace the traction drive belt if it is still slipping see To Replace Belts paragraph on page 19 AUGER DRIVE BELT See Fig 25 if your snow thrower will not discharge snow check the control cable adjustment If it is correct then check the condition of the auger drive belt It may be loose or damaged i it is damaged replace it See To Replace Belts paragraph on page 19 if the auger drive belt is loose adjust as follows e Disconnect the spark plug wire e Remove the belt cover e Loosen the nut onthe dier pulley See Fig 25 and move the pulley toward the belt about 1 8 e Tightenthe nut e Press the auger drive lever Check the tension on the belt opposite idler pulley The belt should deflect about 1 2 with moderate pressure See Fig 24 NOTE You may have to move the idler pulley more than once to obtain the correct tension e Replace the belt cover CONTROL LEVER MUST BE IN FULL FORWARD POSE TION Just Contaci Ing Plastic Bumper WHEN CHECKING TRACTION DRIVE LEVER Z FITTING TRACTION AUGER DRIVE DRIVE SPRING e SPAING DRIVE PULLEY 1 2 INCH IDLER PULLEY DEFLECTION ENGAGED IMPELLER PULLEY FIG 24 TRACTION DRIVE BELT AUGER DRIVE BELT TRACTION DRIVE PULLEY BELT GUIDE Lett Hand AUGER DRIVE PULLEY BELT GUIDE Right Hand TRACTION DRIVE Ai AUGER IDLER IDOLER PULLEY PULLEY FIG 25
48. s not touch the side of the engine or the cover will be scratched Res X NOTCHED SECTION PLASTIC CAP COTTER LL PIN 1 8 T CLEARANCE eenz Gas Oars Uy e FLATWASHER p 12 INCH CRANK ADJUSTING ROD S TO ADJUST THE CLUTCH CONTROL CABLES Periodic adjustment ofthe cables may be required due to nomnal stretch and wear onthe belts Tocheck forcorrect adjustment the control lever must be in the full forward position resting onthe plasticbumper Thecontrol cables are correctly adjusted when the centeroi the Z Fitting is in the center of the hole and there is no droop in the cable See Fig 22 if adjustment is necessary e Remove gas from gas tank Stand blower on end e Disconnect the Z Fitting from drive lever e Push the cable through the spring See Fig 23 to expose the threaded portion of the cable Hold the square end of the threaded portion with pliers and adjusttheiocknut inor out untilthe excess slack is removed e Pull the cabfe back through the spring and connect the cable Do the same for the other lever cable NOTE Whenever the traction drive or auger belts are adjusted or replaced the cables will need to be adjusted TO ADJUST BELTS Belts stretch during normal use If you need to adjust the beits due to wear or stretch proceed as follows TRACTION DRIVE BELT See Fig 25 The traction drive belt has constant spring pressure and does not require adjustment Check the clutch cont
49. spark plug wire TO ADJUST THE BELT GUIDES After you replace a track or auger drive belt you need to adjust one or both of the belt guides Proceed as follows e Disconnect the spark plug wire e Remove the belt cover See Fig 26 Engage the auger drive clutch lever e Measure the distance between the belt guides and the belt Sae Fig 28 The distance should be 3 32 for each guide e df adjustment is necessary loosen the belt quide mounting bolts Move the belt guides to the correct position Tighten the mounting bolts e Hemstal the belt cover e Reconnect the spark plug wire A e ee 6 El REMOVE BOLT BOTTOM PANEL TO ADJUST THE FRICTION WHEEL if the snow thrower will not move forward you need to check the track drive beit the traction drive cable or the friction wheel ifthe friction wheel is damaged it will need to be replaced See the To Replace Friction Wheel paragraph on page 21 If the friction wheel is not worn check the adjustment as follows Disconnect the spark plug wire Drain the gasoline from the gas tank Stand snow thrower on the auger housing end Remove the bottom panel See Fig 29 Position the shifter lever in first 1 gear Note the position of the friction wheel on the disc drive plate Therightouterside ofthe disc driveplate should be 3 fram the center of the friction wheel See Fig 30 If adjustment is necessary e Loosen nut A on the speed select rod Remo
50. st 2 hours of use and again after 25 hours and atthe beginning of each season See To Adjust Belts paragraph on page 19 o AN screws and nuts should be checked often to make sure they are tight preferably after each use SNOW THROWER LUBRICATION EVERY TEN HOURS e Weight Transter System Coat weight transfer side plates with clinging type grease such as Lubriplate every ten 10 hours and before storage See Lu brication Chart on page 26 e AugerShait Using a hand grease gun lubricatethe auger shatt zerk fittings See A Fig 16 every ten 10 operating hours Each time a shear bolt is replaced see To Replace Auger Shear Bolt para graphon page 23 theaugershaft MUST be greased e Forstorage or when replacing shear bolls remove shear bolts and lubricate auger shalt zerks Rotate augers several times on the shaft and reinstali the shear bolts LUBRICATION NOT REQUIRED e Hex Shatt and Gears Hex shaft and gears require no lubrication Allbearings and bushings are lifetime lubricated and require no maintenance See Fig 17 NOTE Any greasing or oiling of the above components can cause contamination of the friction wheel If the disc drive plate or friction wheel come in contact with grease or oil damage to the friction wheel will result 15 PULL UP GENTLY AT CENTER FRICTION WHEEL CHAINS Should grease or oil come in contact with the disc drive plate or friction wheel be sure to clean the p
51. the proper tools to service or repair this unit Please read and retain this manual The instructions will enable you to assemble and maintain your snow thrower property Always observe the SAFETY RULES MODEL NUMBER 536 884821 SERIAL NUMBER DATE OF PURCHASE THE MODEL AND SERIAL NUMBERS WILL BE FOUND ON A DECAL ATTACHED TO THE REAR OF THE SNOW THROWER HOUSING YOU SHOULD RECORD BOTH SERIAL NUMBER ANDDATE 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 e Head and observe the safety rules PRODUCT SPECIFICATIONS HORSE POWER DISPLACEMENT 2 quart Unleaded SAE 10W 30 or 5W 30 OIL 20 oz Capacity SPARK PLUG GAP 030 In VALVE CLEARANCE Champlon RJ1SLM Intake 010 in Exhaust 010 In S A E 5W 30 motor oll may be used to make Starting easier In areas where the temperature is 20 F or lower OPTIONAL ACCESSORY An electric starter kit Stock No 71 8894 is available tor this snow thrower and may be ordered through Sears Retail or Catolog Stores Installation instructions for the electric starter are included in this kit e Follow a regular schedule in maintaining caring for and using your snow thrower e Follow the instructions under Maintena
52. utton Additional priming may be necessary for the first start if the temperature is below 15 F Do not prime il tem perature is above 50 F e Pull the starter handle rapidly Do not allow the handle to snap back but aliow it to rewind slowly while keeping a firm hold on the starter handie e As the engine warms up and begins to operate evenly rotate the choke knob slowly to OFF position If the engine falters return to FULL choke then slowly move to OFF choke position NOTE Before using the snow thrower allow the engine to warm up for a few minutes because the engine will not develop full power umtil i reaches operating temperature e Run the engine at or near the top speed when ihrowing snow IGNITION KEY CONTROL WARM START if restarting a warm engine after a short shutdown rotate choketo OFF instead of FULL and do not push the primer button FROZEN STARTER If the starter is frozen and will not turn engine e Pulias much rope out of the starter as possible e Release the starter handie and let it snap back against the starter If the engine still fails to start repeat until it starts To help prevent possible freeze up of recoil starter and engine controls proceed as follows after each snow removal job e Withthe engine running pull the starter rope hard with a continuous full arm stroke three or four times For normal usage set the skids so that the scraper bar is 1 8 above the skids
53. ve the bail joint by removing nut B from the shift yoke assembly Lengthen or shorten the rod by turning the adaptor to obtain the correct friction wheel po sition See Fig 31 e Heinstall the ball joint and nut B Tighten nut A e Heinstali the bottom panel DISC DRIVE SPEED SELECT ROD NUT A SHIFT YOKE ASSEMBLY ADAPTOR BALL JOINT NUT B TO REPLACE FRICTION WHEEL ifthe snow thrower will not move forward and the friction wheel is wom or damaged you need to replace il as follows First allow the engine to cool CAUTION DRAINGASOLINE OUTDOORS ER AWAY FROM FIRE OR FLAME e Drainthe gasoline from the fuel tank d HEX SHAFT e Disconnect the spark plug wire o Stand the snow thrower up on the auger housing LOCK WASHER end See Fig 34 o emove the bottom panel See Fig 32 Remove ball joint from shiit yoke assembly e nemovethethree 3 fasteners securing the friction unesi to the hub See Fig 34 and set fasteners aside i HEX SHAFT EA e Removethe four bolts securing bearing plates both tides REMOVE BOLT Screws lockwashers BOTTOM PANEL and nuts LOOSEN BOLT TRACK CONNECTING ROD FIG 32 UNIT STANDING ON AUGER HOUSING END e HAemove the right side bearing plate Leave hex FIG 34 shait in original position e Remove friction wheel from hub Slip friction wheel ctf hex shaft towards right side Position new friction wheel
54. w to use the free wheeling capability see the Track Drive Free Wheel Feature paragraph in the Operation section of this manual On start up the track drive system may be tight but will loosen up as the snow thrower is used After first use check the track tor tension and adjust if necessary See the Track Adjustment paragraph in the Service and Adjustments section ot this manual Check track adjustment and fasteners regulariy CONTENTS OF SHIPPING CARTON TOOLS REQUIRED FOR ASSEMBLY 1 Snow thrower completely assembied except for 1 Knife to cut carton and plastic ties the crank assembly and the upper handle which 2 1 2inch wrenches or adjustable wrenches is in the tokded down position 2 9 16 inch wrenches or adjustable wrenches 1 Parts bag containing 2 3 4 inch wrenches or adjustable wrenches 1 Owners manual not shown and 1 Pliers to spread cotter pin Parts shown below 1 Screwdriver CONTENTS OF PARTS BAG 2 Spare 1 4 20 x 1 3 4 2 Spare Spacers 2 Spare 1 4 20 Hex nuts in Hex Head Screws z S o mn zi T 1 Knob with Threads 2 ginition Keys Non Assembled Parts _ Figure 1 shows the snow thrower in the shipping position Figure 2 shows the snow throwercomptetely assembled Reference to the right and left hand side of the snow thrower is from the operator s position at the handle TO REMOVE SNOW THROWER FROM CARTON See Fig 1 Remove the staples from top of carton 6 Lo
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