Craftsman 486.24837 Snow Blower User Manual
Contents
1. FIGURE 26 ALTERNATE INSTRUCTIONS IF TIRE CHAINS RUB AGAINST HEX BOLT e Block up the rear of the tractor to allow removal of rear wheels Remove the rear wheels from the axle retaining the square key and all other parts for reassembly Remove the hex bolt from the top hole in the side of the tractor frame as shown in figure 27 e Assemble the notched end of each side brace to the top hole in the each side of the tractor frame using the provided 3 8 16 x 1 slotted truss head bolts See figure 27 e Reassemble the wheels onto the axle making sure to reassemble the square keys and all other parts which were removed e Assemble the weight tray to the side braces as instructed in figure 25 on this page HOLE WITH HEX BOLT REMOVED 3 8 x 1 SLOTTED TRUSS HEAD BOLT SQUARE KEY SIDE BRACE FIGURE 27 e If your tractor is not equipped with rear reflectors assemble the tail reflectors to the rear fender Place the reflectors as close to the bottom of the fender and as far apart as the shape of the fender will allow See figure 28 TAIL REFLECTORS FIGURE 28 CHECKLIST Before you operate your snow thrower please review the following checklist to help ensure that you will obtain the best performance from your snow thrower All assembly instructions have been completed with all bolts and nuts properly tightened Check the engine belt and the auger2. Tractor throttle set too low Snow too deep Snow melts during contact with the snow thrower Object jammed in spiral auger Hard or heavy snow Not enough traction at front wheels 1 Tractor ground speed too fast 2 Bottom snow is icy or hard packed 18 Upper or lower V belt too loose Upper or lower V belt broken Shear bolts are sheared Increase tension on V belt Replace V belt Replace shear bolts Use lower tractor gear Increase to full throttle Raise the snow thrower Allow snow thrower to cool to outdoor temperature before using Stop engine disengage the snow thrower clutch and clear the auger Increase to full throttle and decrease ground speed Increase scraper plate clearance by lowering skid shoes Pull down on lift handle to increase weight on front wheels Reduce ground speed 2 Lower the skid shoes so that front of skid shoe is lower than the rear NOTES PARTS REPAIR PARTS FOR MODEL 486 248531 42 SNOW THROWER REPAIR PARTS FOR MODEL 486 248531 42 SNOW THROWER PART Re DESCRIPTION PART GE DESCRIPTION NO wo NO NO 05931 64184 618 0616 63579 63768 24773 703 2734 703 2735A 24816 705 5226 705 5269 705 5270 43182 44950 44917 44326 43080 715 0114 750 0437 731 1379A 43086 736 0188 711 0469 43081 47615 741 0309 741 0475 741 0493A 24279 24294 784 5618 24393 24281 63904 24286 63762 41576 44377 756 0405
3. 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 2 Lift Shaft Assembly Hex Bolt 1 2 13 x 1 Hex Bolt 5 8 11 x 1 1 2 Pin Bracket Lift Nut Hex Lock 5 8 11 Thread Nut Hex Lock 1 2 13 Pin Cotter 1 8 x 3 4 Pin Cotter 1 8 x 1 1 2 Washer 17 32 x 1 Bearing Flange With Flats Link 15 80 Long Link 11 75 Long Link 4 88 Long Rod Spacer Hex Bolt 5 16 18 x 1 Locking Lock Washer 5 16 Bracket Lift Assembly Handle Lift Bracket Rod Index Lift Screw Hex Slotted 10 Spring Compression Washer 13 32 x 13 16 Washer 218 x 62 Carriage Bolt 5 16 18 x 3 4 Hex Bolt 5 16 18 x 3 4 Washer 11 32 x 11 16 x 3 64 Pin Spring 5 16 x 1 3 4 Pin Attachment Pin Haircotter 4 1 8 Plate Side R H Plate Side L H Tube Lift Handle Cable Lift Nut Flat Weld 10 24 Screw Oval 10 24 x 1 Grip Handle Tube Crank Rod Support Bushing 3 8 Plastic 23 746 0929 43064 43081 24285 24284 47093 23812 24288 24289 47631 43003 43082 43083 43084 44326 43351 43353 43682 43790 44215 44695 712 0206 48106 726 0178 63755 47317 43601 47369 47361 JAOD t mt N OCE N o N Y edo t mk mk O D O M N e N Bracket Chute Crank Knob Crank Palnut 3 8 Assembly Chute Crank Rod Handle Chute Tilt Knob Assembly Chute Tilt Bracket Guide Cable Cable Chute Control Cable Chute Control with Clip Nut Hex Lock 5 16 18 Washer 5 16 Plate Mounting L H Plate Mounting
4. 43015 711 0242 46981 43082 46982 738 0680 750 0456 750 0660 43003 714 0161 PON A KK aa e PNAO ONO mk ROG mk o mm m m OHARA AM AND u w pi I DE Housing Bearing Housing Assembly Gear Assembly Chute Crank Rod Assembly Impeller Assembly Scraper Plate Bracket Housing Brace Bracket Chute Crank Cover Belt Chute Reinforcement Spiral Assembly L H not shown Spiral Assembly R H Hex Bolt 5 16 18 x 3 4 Lg Carriage Bolt 1 4 20 x 3 4 Palnut 3 8 Carriage Bolt 5 16 18 x 1 Lg Carriage Bolt 5 16 18 x 3 4 Lg Bolt Self Tap 5 16 x 3 4 Bolt Shear 5 16 18 x 1 1 2 Washer 1 4 Hex Lock Nut 5 16 18 Thd Hex Lock Nut 1 4 20 Hex Nut 5 16 18 Spiral Pin 1 4 x 1 1 2 Lg Bushing Chute Adapter Lock Washer 5 16 Washer 76 x 1 49 x 06 Spacer 75 ID x 1 25 OD x 5L Washer 5 16 Std Wrt Bearing Flange Bearing Ball Bushing Plastic 3 8 Bearing Split 3 4 Skid Shoe Frame Clutch and Pulley Housing Bearing Bracket Chute Crank Bracket Idler idler Arm Assembly Spacer Pivot idler Bracket Assembly Hex Bolt 3 8 16 x 1 3 4 Hex Bolt 3 8 24 x 1 Pulley Flat 3 3 4 Hex Nut 3 8 16 Spacer Pulley V Type 9 Nut Hex Lock 3 8 16 Pulley V Type 5 1 2 Shaft Spacer Spacer Lock Washer 3 8 Key 21 741 0919 08253B 15296A 14088B 44377 736 0247 43063 48138 47846 47044 47026 47025 746 0929 746 0928 43070 46959 46963 43055 4
5. 5 16 Washer 1 4 Bowed Washer Washer 5 16 Washer 1 2 Flanged Lock Nut 1 4 Hex Nut 5 16 Whizlock Nut 5 16 Hex Lock Nut 3 8 Hex Nut 1 2 Hairpin Cotter 3 32 Hairpin Cotter 1 8 Shear Bolt spare parts Hex Lock Nut 5 16 spare parts Tarp Strap Spring Chute Keeper Lock Pin Plastic Cap Tail Reflector Chain Tensioning Nylon Tie DOVOZZrR IOnmoou N lt xS lt CHoD a NNN OA HHA RANNANAN HF N mk N sc N GD mb mk NO N GD mb mk zt mik pare ASSEMBLY CARTON CONTENTS 1 Cross Brace Weight Tray 9 Plastic Keg 2 Side Brace Weight Tray 10 Left Hand Hanger Bracket Stamped L 3 Right Hand Side Plate Stamped R 11 Right Hand Hanger Bracket Stamped R 4 Left Hand Side Plate Stamped L 12 Clutch Idler Assembly 5 Anti rotation Bracket 13 V Belt Drive 6 Chute Crank Rod Assembly 14 V Belt Auger Attached to Housing Assembly 7 Support Tube Crank Rod 15 Chute and Control Cable Assembly 8 Lift Handle Tube and Cable 16 Housing Assembly 17 Weight Tray Hardware Package Stored inside Plastic Keg TOOLS REQUIRED FOR ASSEMBLY 7 16 Wrenches 1 2 Wrenches 9 16 Wrenches 3 4 Wrenches 2 2 2 2 1 Knife ADDITIONAL ITEMS REQUIRED General Purpose Grease REMOVAL OF PARTS FROM CARTON e Remove all parts and hardware packages from the carton Lay out parts and hardware and identify using the illustrations on pages 4 and 5 NOTE Not all of the sup
6. R H Keg Plastic Brace Side Weight Tray Brace Cross Weight Tray Tray Weight Hex Bolt 3 8 16 x 1 Self Tap Lock Washer 3 8 Nut Hex Lock 3 8 16 Nut Hex 5 16 18 Hex Bolt 5 16 18 x 1 3 4 Carriage Bolt 5 16 18 x 1 Hex Bolt 1 2 13 x 1 1 4 Lock Washer 1 2 Carriage Bolt 5 16 18 x 1 1 4 Strap Tarp 25 Long Carriage Bolt 5 16 18 x 1 3 4 Washer Bowed Nut Hex 1 2 13 Bolt Shoulder Tie Nylon Assembly Cable Release Trigger Plastic Cap Washer 1 59 x 1 032 x 060 Pin Spring 3 16 x 1 3 4 Slotted Truss Hd Bolt 3 8 16 x 1 Housing Trigger Washer 1 2 Nut Whizlock 5 16 18 Reflector Rear 24 25 Z a nen nn DIS AER HELD TH LEE WITH A MORTISAL THES i i un nn mmm SESE EK Lg nen mme em A OUTER CE A RENNA I Ef A PES FEET i ka I Pis gt o BE m F ae Az 3 a EDO amp S tag GES be Se Fass S eur ZE d dc KE M eame hong E a W s BTY Bass CAUTION DO NOT OPERATE YOUR TRACTOR AND SNOW A THROWER ON A SLOPE IN EXCESS OF 10 DEGREES BE SURE OF YOUR TRACTOR S TOWING AND BRAKING CAPABILITIES BEFORE OPERATING ON A SLOPE AVOID ANY SUDDEN TURNS OR MA NEUVERS WHILE ON A SLOPE ENUBUI SJ8UMO AJOIYSA JNOA UI SUOHONASUI 9U O OS E JSJSH 19MOJY MOUS pue 103984 JNO jo UOREJSdO ay 104 ajes SI ado s e jl oululls op o Spin s y as a9u31919J a nyny 103 a9e d ayes e ul jooys siy dos y 301N9 AdO 1S ell Ges For repair of major brand
7. reverse of the viewer s right and left 3 32 HAIRPIN COTTER 1 8 HAIRPIN COTTER h oul Om KEEPER BOLT Sz VIEWED FROM UNDERNEATH PULLEY gt CS ASS Left Side of Tractor FIGURE 14 ASSEMBLY OF THE SNOW THROWER Place the lift handle into the lift bracket on the right side of the snow thrower Fasten the handle to the bracket using two 5 16 x 1 3 4 hex bolts 5 16 Tilt the snow thrower back down to the ground Remove the nylon tie which fastens the auger drive belt to the discharge housing leaving the belt assembled around the pulleys lock washers and 5 16 hex nuts See figure 15 e Remove the nylon tie which fastens the chute crank LIFT HANDLE rod to the crank rod support tube e Assemble the crank rod support tube to the bracket on the left side of the thrower housing using two 5 16 x 1 1 4 carriage bolts 5 16 lock washers and 5 16 hex nuts See figure 17 5 16 HEX NUT 77 0 5 16 x 1 3 4 HEX BOLT 5 16 LOCK WASHER LIFT BRACKET FIGURE 15 RIGHT SIDE VIEW 5 16 LOCK NOTE Be sure the lift release cable s plastic covering WASHER gt remains inserted into the trigger assembly while s SUPPO ROD performing the next step 5 16 HEX NUT SUPPORT TUBE lt Push the lift handle down into the locked position Insert the end of the cable wire into the hole in the FIGURE 17 LEFT SIDE VIEW lift rod Place the threaded fitting into t
8. tractor s clutch brake pedal and allow the spiral Before the first snowfall remove all stones sticks auger to clear the snow Repeat this method until a and other objects which could become hidden by path is cleared On the second pass overlap the the snow Permanent obstacles should be marked first enough to allow the snow thrower to handle for visibility the snow without repeated stopping and starting of e Overlap each pass slightly to assure complete forward motion snow removal MAINTENANCE CUSTOMER RESPONSIBILITIES Read and follow the maintenance schedule and the maintenance procedures listed in this section MAINTENANCE SCHEDULE Fill in dates as you E complete regular service Service Dates Check for loose fasteners EE Check scraper and shoes for wear__ X Cleaning i De Ee De ee EE Ee LUBRICATION e Oil all pivot points on the snow thrower CHECK SCRAPER AND SHOES FOR WEAR e Oil the pivot points of the two idler arms on the Refer to figures 29 and 30 on page 17 clutch idler assembly The scraper plate and skid shoes on the bottom of Apply penetrating oil to the control cables of the the snow thrower are subject to wear To prevent discharge chute damage to the spiral auger housing replace plate Apply a good grade of spray lubricant to the trigger and shoes before wear is excessive assembly and the chute tilt control assembly 16 SERVICE AND ADJUSTMENTS CAUTION Before servicing or adjusting
9. Foot Rest Brackets Figure 8 Find the empty hole beneath the foot rest Attach the L H Hanger Bracket marked L to the inside of the frame using a 3 8 x 1 carriage bolt head to inside a 3 8 lock washer and a 3 8 hex lock nut See figure 8 Repeat for the R H side 3 8 LOG NN WASHER ee HEX LOCK NUT 3 8 x 1 CARRIAGE BOLT L H HANGER BRACKET FIGURE 8 LEFT SIDE VIEW FIGURE 9 INSTALLING SHOULDER BOLTS All Tractors Remove the bolt washer and nut which fasten the sway bar bracket to the L H side of the tractor frame Replace with a shoulder bolt and a 3 8 hex lock nut as shown in figure 9 BOLT REMOVED Ge A 2 3 8 HEX FROM THIS HOLE LOCK NUT SWAY BAR N BRACKET LEFT SIDE VIEW e Assemble a shoulder bolt and 3 8 hex lock nut to the R H side of the tractor frame using the first empty hole to the rear of the R H hanger bracket See figure 10 SHOULDER BOLT R H HANGER BRACKET FIGURE 10 RIGHT SIDE VIEW INSTALLING CLUTCH IDLER ASSEMBLY e Turn the clutch idler assembly upside down and place the extra tensioning chain through the hole shown in figure 11 USE THIS HOLE TENSIONING CHAIN FIGURE 11 Hook the loose spring through the end of the tensioning chain See figure 12 e Hook the other end of the spring onto the bottom of the bolt and nut which secure the idler pulley to the upper idler arm Hold the bolt
10. Use the flat washer as a shim between the frame and the side plate For the rear hole use a 3 8 x 1 hex bolt and a 3 8 lock washer Repeat for the L H side NOTE If the bolt inserts freely into the front hole the 3 8 lock washer along with a 3 8 hex lock nut must be assembled onto the bolt from inside the tractor frame 1 2 FLAT WASHER 3 8 LOCK WASHER D 3 8 x 1 HEX BOLT This end jot 16 front tires S This end for allDl smaller tires FIGURE 5 RIGHT SIDE VIEW e Assemble a shoulder bolt a 3 8 lock washer and a 3 8 hex lock nut to the bottom hole in each side plate See figure 6 3 8 HEX LOCK NUT 3 87 LOCK WASHER 3 8 SHOULDER BOLT FIGURE 6 RIGHT SIDE VIEW INSTALLING HANGER BRACKETS For better clearance lower the tractor s suspension arms using the attachment lift lever On Tractors With Foot Rest Brackets Figure 7 e Remove the bolt and nut that fasten the L H and R H foot rest brackets to the frame See figure 7 e Attach the L H Hanger Bracket marked L to the inside of the tractor frame using two 3 8 x 1 carriage bolts 3 8 lock washers and 3 8 hex lock nuts The bolt heads go on the inside of the tractor frame Repeat for the R H side See figure 7 Xx 3 8 LOCK BOLT REMOVED WASHER FROM THIS HOLE e BS 3 8 HEX B LOCK NUT i U SUSPENSION ARM L H HANGER ku e BRACKET LEFT SIDE VIEW 3 8 x1 CARRIAGE BOLT FIGURE 7 On Tractors Without
11. allow children to operate the equipment e e Never allow adults to operate the equipment without proper instruction e Keep the area of operation clear of all persons especially small children and pets e Thoroughly inspect the area where the equipment e is to be used and remove all door mats sleds boards wires and other foreign objects e Disengage all clutches and shift into neutral before starting engine e e Do not operate equipment without wearing ad equate winter outer garments Wear substantial footwear which will protect feet e and improve footing on slippery surfaces e Check fuel before starting the engine Do not remove the fuel cap or fill the fuel tank while the engine is running or hot Do not fill the fuel tank D indoors Gasoline is an extremely flammable fuel Make sure the snow thrower height is adjusted to D clear the type surface it will be used on e Do not use the snow thrower without the rear weight attached to the tractor Never make any adjustments while the engine is D running e Always wear safety glasses or eye shield during e operation or while performing and adjustment or repair e Do not place hand or feet near rotating parts Keep clear of the discharge opening at all times e Use extreme caution when operating on or crossing gravel surfaces e Do not carry passengers After striking a foreign object stop the engine remove the wire from the spark plug and then D thoroughly insp
12. appliances in your own home no matter who made It no matter who sold tt 1 800 4 MY H O M E SM Anytime day or night 1 800 469 4663 www sears com To bring in products such as vacuums lawn equipment and electronics for repair call for the location of your nearest Sears Parts amp Repair Center 1 800 488 1 222 Anytime day or night www sears com For the replacement parts accessories and owner s manuals that you need to do it yourself call Sears PartsDirect 1 800 366 PART 6am 11 p m CST 1 800 366 7278 7 days a week www sears com partsdirect To purchase or inquire about a Sears Service Agreement 1 800 827 6655 7 a m 5pm CST Mon Sat Para pedir servicio de reparaci n a domicilio Au Canada pour service en francais y para ordenar piezas con entrega a domicilio 1 877 LE FOYER 1 888 SU HOGAR 1 877 533 6937 1 888 784 6427 SEARS HomeCentral Hegusicroo iradomarr Iradema of Sears Hocbuck and Ca Scars Hockurk ang Co Marca Registrada Marca de Fabrica de Stars Hoebuck and Co
13. belt Make sure they are routed properly around pulleys and inside all belt keepers e Check discharge chute for proper rotation Check operation of tilt control for upper chute e Verify that the lift handle will lock into and release from the raised transport position Refer to the Service and Adjustments section e Check skid shoe adjustment Refer to the Service and Adjustments section The following additional items are available from Sears to help enhance the performance of your snow thrower See page 2 e Tire chains which can be installed to improve traction Rear wheel weights which can be installed in addition to the rear weight tray to improve traction e Drift cutter bars which can be installed to help slice off the edges of tall drifts 14 OPERATION KNOW YOUR SNOW THROWER Read this owner s manual and safety rules before operating your snow thrower Compare the illustration below with your snow thrower to familiarize yourself with the various controls and their locations AR LIFT RELEASE TRIGGER LIFT HANDLE CHUTE TILT HANDLE f FS CRANK ROD UPPER CHUTE LOWER CHUTE SCRAPER PLATE SKID SHOE SPIRAL AUGERS R H amp L H CHUTE TILT HANDLE Pivots the Upper Chute up or UPPER AND LOWER DISCHARGE CHUTE Controls down to control the angle and distance of discharge direction and height of snow discharge CRANK ROD Rotates the Lower and Upper Chutes to SCRAPER PLATE Replacea
14. skid shoes up or down and retighten the nuts securely Adjust both skid shoes to the same height to keep the housing and the scraper plate level See figure 29 FIGURE 29 e If the lift rod does not lock the snow thrower securely in the transport position loosen the upper hex nut on the lift bracket a few turns and tighten the lower hex nut Refer to figure 16 on page 10 If the lift rod fails to unlock completely to lower the snow thrower loosen the lower hex nut on the lift bracket a few turns and tighten the upper hex nut Refer to figure 16 on page 10 SPIRAL AUGERS e The spiral augers are secured to the auger shaft with two shear bolts and hex lock nuts If you hit a foreign object or if ice jams the augers the snow thrower is designed so that the bolts will shear If the augers will not turn check to see if the shear bolts have sheared See figure 30 Two replace ment shear bolts and hex lock nuts have been provided with the snow thrower For future use order part number 710 0890A shear bolt and number 43064 hex lock nut GEAR HOUSING SHEAR BOLT AND SCRAPER HEX LOCK NUT PLATE FIGURE 30 STORAGE ADDITIONAL PARTS TO REMOVE AT END OF SEASON STORAGE RECOMMENDATIONS e Lower the snow thrower to the ground Remove the snow thrower from the tractor Clean the snow thrower thoroughly Wash off any salt deposit which may have dried on the thrower and housing Any bare metal
15. that has become exposed should be painted or coated with a light oil to prevent rust Store in a dry place REMOVING THE SPIRAL AUGER HOUSING Lower the snow thrower to the ground Remove the attachment pin See figure 21 on page 11 Lock the snow thrower s lift handle in the down position to decrease belt tension Release the spring tension from the auger belt idler Remove the clutch idler assembly The two hanger brackets and the two shoulder bolts may be left attached to the tractor frame Remove the drive belt from the engine pulley If a rear mounted attachment is to be used remove the rear weight tray by removing the bolt from the tractor hitch and loosening the two bolts fastening the tray s side braces to the tractor Be sure to retighten the two bolts in the side of the tractor See figure 25 on page 13 If a front mounted attachment is to be used remove the side plates from the tractor Be sure to assemble bolts back into the empty holes in the tractor frame See figures 1 and 2 on page 6 arm on the bottom of the clutch idler assembly Remove the auger drive belt from the clutch idler assembly See figure 23 on page 12 e Pull the spiral auger housing assembly off of the tractor TROUBLESHOOTING PROBLEM Spiral augers don t turn Clogged discharge chute Snow thrower stalls tractor engine Front wheels slide instead of steering Snow thrower rides up over snow Tractor ground speed too fast
16. 3038 43088 43343 43350 24394 1643 60 64452 64451 48106 24466 47620 47607 23625 43509 47598 43796 43178 43177 48883 48935 mA mi m QA O mi mk mk mi PJ A mi m m m A P ON A No AN AA Aa ch ch ch vc nn D O Ei AAAD h mk D i GW N ch AAD Bearing Ball Housing Bearing Housing Open Bearing Spacer Spindle Hex Bolt 3 8 24 x 1 Washer Hex Bolt 5 16 18 x 1 Belt V Type Drive Belt V Type Auger Pulley V Type 4 Pulley V Type Hex Bolt 5 16 18 x 3 1 2 Hex Bolt 3 8 16 x 2 1 2 Chute Keeper Hex Bolt 1 4 20 x 1 Hex Bolt 3 8 16 x 2 Chute Lower Screw 1 4 14 x 5 8 Carriage Bolt 5 16 18 x 1 1 2 Spacer Chute Upper Guide Cable Bracket Cable Spacer Pivot Cable Chute Control With Clip Cable Chute Control Washer 3 8 Spring Chain Pin Hair Cotter 3 32 Pin Pivot Lock Washer 1 4 Pin Hair Cotter 4 1 8 Carriage Bolt 3 8 16 x 1 Bracket Chute Anti rotation Plastic Cap Hanger Bracket Assembly R H Hanger Bracket Assembly L H Bolt Shoulder Bracket Down Stop Spring Spring Torsion Spacer Hex Bolt 3 8 16 x 2 3 4 Lg Hex Lock Nut 1 4 Wash Face Hex Bolt 1 4 20 x 2 3 4 Hex Nut 1 4 20 Lock Washer 1 4 Pulley Flat 3 5 8 Owner s Manual REPAIR PARTS FOR MODEL 486 248531 42 SNOW THROWER REPAIR PARTS FOR MODEL 486 248531 42 SNOW THROWER Bel ae E Fi NO NO NO 2 2 2 2 6 4 1 6 2 2 2 2 1 2 16 1 1 1 1 1 1
17. AVE BOLT IF PRESENT THESE HOLES MUST BE EMPTY SUSPENSION BRACKET FIGURE 1 RIGHT SIDE VIEW e Assemble the R H Side Plate marked R to the two now empty holes in the side of the tractor frame Use two 3 8 x 1 hex bolts and 3 8 lock washers as shown in figure 2 Repeat for the L H side e If you removed a nut and washer from the bolt in figure 1 assemble a whizlock nut onto the bolt NOTE If you remove the side plates be sure to reassemble all bolts to tractor frame 5 16 WHIZLOCK NUT IF BOLT IS PRESENT IN TRACTOR Se N gt SC HEX BOLT 4 3 8 LOCK o WASHER This end for 16 front tires R H SIDE Q PLATE This end for all smaller tires FIGURE 2 RIGHT SIDE VIEW e Assemble a shoulder bolt a 3 8 lock washer and a 3 8 hex lock nut to the bottom hole in each side plate See figure 3 e Proceed to page 8 This end foro 16 front tires d This end for all smaller tires LOCK ASHER R H SIDE PLATE 3 8 SHOULDER BOLT FIGURE 3 RIGHT SIDE VIEW TRACTORS WITH AXLE MOUNTED FRONT SUSPENSION BRACKETS Remove any bolts present in the holes shown in figure 4 on both sides of the tractor frame THESE HOLES MUST BE EMPTY SUSPENSION BRACKET FIGURE 4 RIGHT SIDE VIEW e Attach the R H Side Plate marked R to the right side of the tractor frame as shown in figure 5 For the front hole use a 3 8 x 1 hex bolt a 3 8 lock washer and a 1 2 flat washer
18. LIFT RELEASE CABLE ADJUSTMENT the snow thrower shut off the engine remove the spark plug wire s set the parking brake and remove the key from the tractor ignition REPLACING AUGER BELT Release spring tension from the upper drive belt Lower the snow thrower to the ground Remove the attachment pin Lock the snow thrower s lift handle in the down position to decrease auger belt tension Release spring tension from the lower auger belt Remove the auger drive belt from the clutch idler assembly and from the spiral auger housing Install new belt over top of large auger drive pulley and under the two side idler pulleys Twist the belt 1 4 turn to seat the V of the belt in the groove of each idler pulley Refer to figure 22 on page 12 Assemble the belt onto the clutch idler assembly Refer to figures 23 and 24 on page 12 SKID SHOE ADJUSTMENT The skid shoes are mounted on each side of the spiral auger housing They regulate the distance the scraper plate is raised above the plowing surface When removing snow from a gravel driveway or and uneven surface it is advisable to keep the scraper plate as high above the surface as possible to prevent possible damage to the spiral auger On blacktop or concrete keep the scraper plate as close to the surface as possible Raise the snow thrower off the ground and place a block under each end of the scraper plate Loosen the six hex nuts securing the skid shoes to the housing Adjust the
19. OR FLAT PULLEY 1 8 HAIRPIN COTTER gt END OF SPRING VIEWED FROM UNDERNEATH ATTACHING WEIGHT TRAY TO TRACTOR e Loosen the top hex bolt on each side of the tractor frame at the rear Assemble the slotted end of the side braces down onto the loosened bolts Do not tighten yet See figure 25 e Place the weight tray on top of the tractor hitch and fasten the side braces to it using two 5 16 x 1 carriage bolts 5 16 lock washers and 5 16 hex nuts Do not tighten yet See figure 25 e Fasten the weight tray to the tractor hitch using a 1 2 x 1 1 4 hex bolt a 1 2 lock washer and a 1 2 hex nut Do not tighten yet See figure 25 Fasten the cross brace to the side braces using two 5 16 x 1 carriage bolts 5 16 lock washers and 5 16 hex nuts See figure 25 Tighten all loose bolts at this time NOTE Tire chains on extra wide tires may rub the hex bolt See the alternate instructions on this page ORIGINAL HEX BOLT or SLOTTED Bia TRUSS HEAD LOCK __ WASHER 1 2 x 1 1 4 HEX BOLT SN 5 16 x1 ST CARRIAGE 4 BOLT ae LOCK 8 ee Gaw Gi HEX NUT SIDE BRACE 1 2 LOC WASHER 5 16 x 1 S CARRIAGE BOLT WEIGHT TRAY FIGURE 25 13 e Place the plastic keg on the weight tray and fill with approximately 75 lbs of dry sand Secure the keg with the rubber tarp strap hooked into the holes in the cross brace See figure 26 TARP STRAP
20. Owner s Manual CRAFTSMAN 42 2 STAGE SNOW THROWER TRACTOR ATTACHMENT Model No 486 248531 e Safety CAUTION e Assembly Before using this product read e i this manual and follow all Operation Safety Rules and e Maintenance Operating Instructions e Parts IMPORTANT READ THIS FIRST For Missing Parts or Assembly Questions Please Call 217 728 8388 Mon Fri 7 am 5 pm CST FAX 217 728 2032 or e mail info agri fab com Missing parts will be sent UPS in 24 hours directly to your home Sears Roebuck and Co Hoffman Estates IL 60179 U S A www sears com craftsman PRINTED IN U S A FORM NO 48935 7 03 TABLE OF CONTENTS ACCESSORIES cit tc SAFETY RULES 8 FULL SIZE HARDWARE CHART 4 TROUBLESHOOTING 18 CARTON CONTENTS REPAIR PARTS ILLUSTRATION 20 22 ASSEMBLY REPAIR PARTS LIST 21 23 OPERATION SLOPE GUIDE A oia ia 27 MAINTENANCE PARTS ORDERING SERVICE BACK COVER WARRANTY LIMITED ONE YEAR WARRANTY ON 42 2 STAGE SNOW THROWER For one year from the date of purchase when this snow thrower is maintained and lubricated according to the operating and maintenance instructions in the owner s manual Sears will repair any defect in material or workmanship free of charge H this snow thrower is used for commercial or rental purposes this warranty applies for only 90 days from the date of purchase This warranty does not cover repairs necessary because of operator negligenc
21. ble plate that absorbs control the direction of discharge wear and impact from contact with ground LIFT HANDLE Used to lift or lower the snow thrower SKID SHOE Controls amount of clearance between to transport or operating position the scraper plate and the ground LIFT RELEASE TRIGGER Releases the lock which SPIRAL AUGER R H 8 L H Feed snow to the holds the snow thrower in the transport position impeller fan at the center of the housing BEFORE STARTING HOW TO USE YOUR SNOW THROWER e Use the end of assembly checklist to verify that all instructions have been properly completed Make sure the skid shoes are adjusted to maintain CAUTION Never direct discharge adequate ground clearance between the snow A towards bystanders or windows Do not thrower and the type of surface to be cleared allow anyone in front of unit Refer to the Service and Adjustments section e Make sure the tractor engine has the correct oil for winter operation SAE 5W 30 Refer to tractor owner s manual CONTROLLING SNOW DISCHARGE e To control the direction snow is thrown the dis HOW TO START YOUR SNOW THROWER charge chute has 180 degrees of rotation Turn the e The tractor should be sitting with the engine crank rod clockwise to rotate the chute to the right Turn the crank rod counterclockwise to rotate the runnin full throttle T th h t u g at full throttle Turn on the attachmen chute to the left clutch switch starting the snow thrower before rti
22. e or abuse including the failure to maintain the equipment according to instructions contained in the owner s manual WARRANTY SERVICE IS AVAILABLE BY CONTACTING THE NEAREST SEARS SERVICE CENTER DEPARTMENT IN THE UNITED STATES This warranty applies only while this product is in the United States This warranty gives you specific legal rights and you may also have other rights which vary from state to state Sears Roebuck and Co D 817 WA Hoffman Estates Chicago IL 60179 ACCESSORIES AND ATTACHMENTS These accessories were available when the unit was purchased They are also available at most Sears retail outlets and service centers Most Sears stores can order repair parts for you when you provide the model numbers of your tractor and snow thrower WHEEL WEIGHT TIRE CHAINS DRIFT CUTTER BARS KIT NO 71 88294 The model number and serial numbers will be found on a MODEL NUMBER 486 24853 decal attached to the snow thrower SERIAL NUMBER You should record both the serial number and the date of purchase and keep in a safe place for future reference DATE OF PURCHASE e A SAFETY A Any power equipment can cause injury if operated improperly or if the user does not understand how to operate the equipment Exercise caution at all times when using power equipment Read this owner s manual carefully and know how e to operate your snow thrower and how to stop the unit and disengage the controls quickly e Never
23. ect the snow thrower for damage Repair any damage before restarting and operating e the snow thrower e If the snow thrower starts to vibrate abnormally stop the engine immediately and check for the e cause Vibration is generally a warning of trouble Stop the engine whenever you leave the operating position before unclogging the snow thrower or making any adjustments or inspections Take all possible precautions when leaving the unit unattended Disengage the attachment clutch lever or switch lower the snow thrower shift into neutral set the parking brake stop the engine and remove the key When cleaning repairing or inspecting make certain all moving parts have stopped Disconnect the spark plug wire and keep it away from the plug to prevent accidental starting Do not run engine indoors except when transport ing the snow thrower in or out of the building Open the outside doors Exhaust fumes are dangerous Do not clear snow across the face of slopes Exercise extreme caution when changing direction on slopes Do not attempt to clear steep slopes Refer to the slope guide on page 27 of this manual Never operate the snow thrower without guards plates or other safety protection devices in place Never operate the snow thrower near glass enclo sures automobiles window wells drop offs etc without proper adjustment of the snow thrower discharge angle Never direct discharge at bystanders or allow anyone in front of the
24. engage the snow Snow removal conditions vary greatly from light fluffy thrower immediately and shut off the tractor engine snowfall to wet heavy snow Operating instructions Unclog the snow thrower before resuming opera must be flexible to fit the conditions encountered The tion operator must adapt the lawn tractor and snow thrower to depth of snow wind direction temperature and DANGER Shut off engine and surface conditions disengage snow thrower before e Before beginning operation thoroughly inspect the unclogging discharge chute Unclog area of operation and remove all door mats sleds using a wooden stick not your hands boards wires and other foreign objects e The spiral auger speed is directly related to engine OPERATING TIPS speed For maximum snow removal and discharge e Discharge snow down wind whenever possible maintain high engine r p m full throttle It is e To help prevent snow from sticking to the snow advisable to operate the lawn tractor at a slow thrower allow the snow thrower to reach outdoor ground speed 1st gear for safe and efficient snow temperature before using it A light coat of wax may removal also be applied to the inside surface of the snow e In deep drifted or banked snow it will be necessary thrower housing and discharge chute to use full throttle and a slow ground speed 1st e Use tire chains to improve traction gear Drive forward into the snow depress the e Use rear wheel weights to improve traction
25. he slot in the lift bracket with one hex nut above and one hex e Attach the chute tilt control assembly to the top nut and the lock washer below the slot Tighten the side of the crank support tube using two 5 16 x nuts adjusting them to eliminate slack in the cable 1 3 4 carriage bolts bowed washers 5 16 lock wire See figure 16 Refer also to the Service and washers and 5 16 hex nuts See figure 18 Adjustments section on page 17 in this manual HINT For easier assembly of the lift release cable tilt CHUTE CRANK ROD the snow thrower forward onto the spiral auger TILT CONTROL HANDLE 5 16 x1 3 4 mm A ED CARRIAGE BOLT LIFT RELEASE ASSEMBLY BOWED WASHER 5 16 LOCKWASHER 54 TRIGGER 5 16 HEX NUT ASSEMBLY LOCK WASHER FIGURE 18 LEFT SIDE VIEW HEX NUT e Attach the chute crank rod assembly brackets to CABLE the plastic bracket on the left side of the thrower WIRE housing Align the chute crank bracket beneath the LIFT rod support bracket and assemble both to the plastic bracket using two 5 16 x 1 carriage bolts 5 16 flat washers 5 16 lock washers and 5 16 FIGURE 16 RIGHT SIDE VIEW hex nuts Do not tighten yet See figure 19 10 5 16 x 1 CARRIAGE BOLT CHUTE CRANK BRACKET SUPPORT BRACKET 5 16 FLAT WASHER 5 16 LOCK WASHER 5 16 HEX NUT FIGURE 19 LEFT SIDE VIEW Coat the top of the ring around the discharge opening with general purpose grease See fig
26. head and assemble a 3 8 hex lock nut onto the bolt leaving it loose enough for the spring to pivot freely between the two nuts See figure 12 Attach a 3 32 hairpin cotter to the chain placing it in the fifth link from the spring See figure 12 SPRING 5TH LINK CHAIN L H SIDE EN 3 8 HEX LOCK NUT 3 32 HAIR COTTER PIN LEFT SIDE FIGURE 12 VIEW OF BOTTOM Attach the clutch idler assembly to the tractor frame as follows Hook the assembly s notched arms onto the two shoulder bolts you assembled to the inside of the tractor frame Lift the front of the assembly and attach it to the R H and L H hanger brackets using two pivot lock pins and 1 8 hairpin cotters See figure 13 1 8 HAIRPIN COTTER 8 PIVOT LOCK PIN use second hole FIGURE 13 RIGHT SIDE VIEW e Assemble the short V belt onto the engine pulley and then onto the large pulley on the clutch idler assembly The belt must be placed to the inside of the idler pulley and the keeper bolt See figure 14 IMPORTANT Do Not assemble the V belt around the outside of the keeper bolt e Place tension on the belt by pulling the left side tensioning chain out as far as the 3 32 hairpin cotter will allow Secure the chain with a 1 8 hairpin cotter See figure 14 Hold this drawing above you while viewing the Clutch ldler Assembly from underneath the tractor Right and left in the drawing will be the
27. hrower making sure the belt is still looped over the top of the large drive pulley and underneath the two idler pulleys The V side of the belt must be seated in the grooves of all three pulleys e Roll the tractor up behind the snow thrower center ing it between the snow thrower s mounting plates e Raise the rear of the snow thrower by lifting up on the lift handle until the notches in the mounting plates align with the shoulder bolts in the tractor s side plates Guide the bolts into the notches e To ease the assembly of the auger drive belt delay the installation of the attachment pin shown in figure 21 until you have assembled the belt as instructed for figures 22 and 23 ATTACHMENT PIN 1 8 HAIRPIN COTTER SHOULDER BI BOLT SIE Er FIGURE 21 RIGHT SIDE VIEW INSTALLING THE AUGER BELT INSTALLING THE ATTACHMENT PIN e The auger belt comes preassembled to the pulleys on the snow thrower housing Make sure the belt e Lift the front of the snow blower to align the holes passes over the top of the auger pulley and then twists 1 4 turn to pass underneath each side idler pulley The V side of the belt must mate with the grooves of the pulleys See figure 22 AUGER PULLEY TWIST 1 4 TURN TWIST 1 4 TURN ID ER PULLEY IDLER PULLEY a FIGURE 22 FIGURE 23 Push the lift handle down to increase slack in the belt attachment pin must first be removed Remove the 1 8 hairpin cotter tha
28. ng the tr r in motion i N ak e To control the distance snow is thrown the upper section of the discharge chute pivots up and down HOW TO STOP YOUR SNOW THROWER Push forward on the chute tilt handle to pivot the To stop the snow thrower turn off the attachment chute down decreasing the distance snow is clutch switch Refer to your tractor owner s thrown Pull back on the handle to pivot the chute manual up increasing the distance snow is thrown 15 RAISING AND LOWERING e In extremely deep snow raise the snow thrower To raise push down on the lift handle until the from the ground to remove the top layer and drive snow thrower locks in the raised transport position forward only until the tractors front tires reach the e To lower push down slightly on the lift handle and uncleared bottom layer of snow Depress the pull the trigger With the trigger pulled slowly lower tractor s clutch brake pedal and allow the spiral the snow thrower until it reaches the ground auger to clear the snow Reverse the tractor and lower the snow thrower to the ground Drive the CAUTION Do not operate the snow tractor forward until the snow again becomes too thrower without the rear weight attached deep Repeating this process into and out of drifts to the tractor to provide extra traction will eventually clear even the deepest of snow and stability piles e Ifthe snow thrower becomes clogged with snow or REMOVING SNOW jammed with a foreign object dis
29. plied parts and hardware will be needed for your particular tractor Unneeded items may be discarded after you have completed assembly CAUTION Before starting to assemble the snow thrower remove the spark plug wire s set the parking brake and remove the key from the tractor ignition TRACTOR PREPARATION Before performing these instructions refer to the Service and Adjustments section of your tractor owner s manual for specific safety instructions e Allow engine muffler and exhaust deflector to cool before beginning e Remove any front or rear attachment which is mounted to your tractor Remove the mower deck Refer to your tractor owner s manual for removal instructions Mark all loose parts and save for reassembly Remove the tractor hood and grill assembly Refer to your tractor owner s manual for removal instructions ITEMS REMOVED FROM TRACTOR Store all parts that you remove from the tractor and do not re use while assembling the snow thrower Right hand R H and left hand L H side of the tractor are determined from the operators position while seated on the tractor INSTALLING SIDE PLATES ON TRACTOR TRACTORS WITH FRAME MOUNTED FRONT SUSPENSION BRACKETS See figure 1 Remove any bolts that are present in the two holes shown as empty in figure 1 e If there is a bolt in the third hole shown in figure 1 remove the nut and washer but leave the bolt in place REMOVE NUT amp WASHER AND LE
30. snow thrower Never run the snow thrower into material at high speeds Do not overload the machine capacity by attempt ing to clear snow at too fast a rate Never operate the machine at high transport speed on slippery surfaces Look behind and use care when backing Watch for traffic and stay alert when crossing or operating near roadways Disengage power to the snow thrower when trans porting or when not in use Use only attachments and accessories approved by the manufacturer of the snow thrower such as wheel weights counter weights cabs etc Never operate the snow thrower without good visibility or light Become alert Your safety is involved Look for this symbol to point out important safety precautions It mean Attention HARDWARE PACKAGE CONTENTS SHOWN ACTUAL SIZE LI N eer SPARE PARTS BAG Store these two bolts and nuts in a safe place until needed See page 17 ra Y gt REF QTY DESCRIPTION rer QTY DESCRIPTION 6 Hex Bolt 1 2 x 1 1 4 Hex Bolt 3 8 x 1 Thread Forming Hex Bolt 5 16 x 1 3 4 Hex Bolt 1 4 x 1 Slotted Truss Head Bolt 3 8 x 1 Carriage Bolt 3 8 x 1 Carriage Bolt 5 16 x 1 3 4 Carriage Bolt 5 16 x 1 1 4 Carriage Bolt 5 16 x 1 Shoulder Bolt 3 8 x 5 8 Lock Washer 1 2 Lock Washer 3 8 Lock Washer
31. t secures the end of the idler arm spring to the right side of the clutch idler assembly Swing the idler arm to the left side See figure 23 Place the auger belt around the rear pulley and between the two pulleys on the idler arm The V side of the belt must be seated in the grooves of the V pulleys See figure 23 Hold this drawing above you while viewing the Clutch Idler Assembly from underneath the tractor Right and left in the drawing will be the reverse of the viewer s right and left 1 8 HAIRPIN COTTER Removed from end of spring LEFT SIDE OF TRACTOR VIEWED FROM UNDERNEATH FIGURE 24 in the mounting plates and the side plates From the left side of the tractor install the attachment pin through the holes securing it with the 1 8 hairpin cotter Refer back to figure 21 on page 11 SETTING THE AUGER BELT TENSION e Pull the tensioning chain until the end of the spring is pulled through the hole in the side of the Clutch Idler assembly Install the 1 8 hairpin cotter through the end of the spring securing it on the outside of the Clutch idler assembly See figure 24 IMPORTANT For correct belt tension the 1 8 hairpin cotter must attach to the end of the spring not to the chain Hold this drawing above you while viewing the Clutch ldler Assembly from underneath the tractor Right and left in the drawing will be the reverse of the viewer s right and left LEFT SIDE OF TRACT
32. ure 20 Place the discharge chute facing forward onto the ring Place the anti rotation bracket on top of the chute flange aligning it with the holes on the right hand side of the flange Attach the three chute keepers right side up as shown to the bottom of the flange using six 1 4 x 1 hex bolts 1 4 flat washers and 1 4 flanged lock nuts Tighten carefully so that the nuts are snug but do not dig into the plastic chute keepers See figure 20 Place the plastic cap onto the short end of the anti rotation bracket See figure 20 Position the crank rod spiral so that it does not rub against the bottoms of the notches in the chute flange Tighten the nuts Refer back to figure 19 Check if the crank rod rotates the chute freely If not loosen by 1 4 turn each of the six hex bolts holding the chute keepers to the chute flange Secure the control cables to the crank rod support tube using a nylon tie l 1 4 x1 HEX BOLT ANTI ROTATION BRACKET 1 4 FLAT WASHER CHUTE KEEPER 1 4 FLANGED LOCK NUT gt ee FIGURE 20 RIGHT SIDE VIEW ATTACHING SNOW THROWER TO TRACTOR NOTE An additional person s help may be required to mount the snow thrower to the front of the tractor e Place the tractor and snow thrower on a flat level surface so that the tractor can be rolled forward to attach the snow blower Remove the Attachment Pin from the snow thrower e Extend the belt out behind the snow t
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