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Sears 486.248463 User's Manual

1. 3 8 x 1 1 4 Discharge Chute Adapter Chute Bracket 6 Nylon Washer 5 8 Lower Discharge Chute Upper Discharge Chute Cable Guide Cable Bracket Chute Control Cable Chute Control Cable w Clip Hex Bolt 5 16 18 x 1 1 2 Hex Screw 1 4 14 x 5 8 Plastic Bushing 3 8 Chute Crank Assembly R43 ONM HH ONMAKRH O RB PN NDPJ OO HH WH NONANHHI R NO DPD NP HH HAHNND HH HH o DT U Joint Roll Pin 1 8 x 5 8 Flat Washer 3 8 Chute Crank Bracket Rear Chute Crank Bracket Front Idler Arm Assembly Pivot Spacer Idler Bracket Assembly Pivot Spacer Flat Pulley 3 3 4 V Idler Pulley 4 V Pulley 5 9 V Pulley 10 Shaft Spacer Spacer Key Ball Bearing Bearing Housing Bearing Housing Open Spindle Spacer Hex Bolt 3 8 24 x 1 Flat Washer 3 8 x 1 1 4 Hex Bolt 5 16 18 x 1 Hex Bolt 3 8 16 x 2 Hex Bolt 3 8 16 x 2 1 2 Spacer Chain Tensioning Hair Cotter Pin 3 32 x 2 5 16 Hair Cotter Pin 3 32 3 Spring V Belt Auger V Belt Drive Clutch amp Pulley Frame Chute Keeper Plastic Grip Anti Rotation Bracket Hex Bolt 1 4 20 x 1 Flat Washer 1 4 Hex Bolt 5 16 18 x 3 4 Hex Nut 5 16 18 Thd Shoulder Bolt 3 8 16 x 5 8 Pivot Lock Pin Shear Bolt 5 16 18 x 1 3 4 Shaft Spiral Axle Woodruff Key 1 4 x 3 4 Flange Bushing Flat Washer 1 x 1 3 4 Flange Bearing W Flats Bolt Self Thd 5 16 18 x 3 4 Hanger Bracket Assembly R H Hanger Bracket Assembly
2. clutch idler assembly See figure 21 on page 12 e Clean the snow thrower thoroughly Wash off any salt Remove the clutch idler assembly The two hanger deposits which may have dried on the thrower and brackets and the two frame brackets should not create housing any interference with the mower deck and may be left e Any bare metal that has become exposed should be attached to the tractor frame painted or coated with a light oil to prevent rust e f a rear mounted attachment is to be used remove e Store in a dry place the rear weight tray by removing the two bolts which fasten it to the tractor draw bar and by loosening the REMOVING THE SPIRAL AUGER HOUSING two bolts fastening the tray s brace arms to the tractor e Raise the snow thrower to the transport position Be sure to retighten the two bolts and nuts which Release the spring tension from the auger belt idler fastened the brace arms to the tractor See figure 24 arm on the bottom of the clutch idler assembly on page 13 e Remove the auger drive belt from the clutch idler e Ifa front mounted attachment is to be used assembly See figure 23 on page 13 remove the side plates from the front of the tractor Lower the snow thrower to the ground Be sure to reassemble the removed bolts and nuts to Remove the attachment pin and pull the auger the tractor frame See figures 1 and 2 on page 6 housing assembly off of the tractor Refer to figure 20 on page 11 HINT If the auger
3. hex bolts 3 8 lock washers and 3 8 hex lock nuts See figure 16 NA d N 3 8 x 1 1 2 HEX BOLT CRANK SUPPORT TUBE 3 8 LOCK a 3 8 RI LOCK w A a A LEFT SIDE VIEW Attach the chute tilt control assembly to the top side of the crank support tube using two 5 16 x 1 3 4 carriage bolts bowed washers 5 16 lock washers and 5 16 hex nuts See figure 17 CHUTE CRANK ROD SO CRANK SUPPORT TUBE ____ S 5 16 x 1 3 4 CARRIAGE BOLT BOWED WASHER 5 16 LOCKWASHER 5 16 HEX NUT LOCK FIGURE 17 LEFT SIDE VIEW WASHER HEX NUT CABLE e Attach the chute crank assembly to the plastic bracket WIRE on the left side of the thrower housing as shown in LIFT figure 18 Use two 5 16 x 1 carriage bolts 5 16 flat ROD washers 5 16 lock washers and 5 16 hex nuts Do not tighten yet FIGURE 15 RIGHT SIDE VIEW lt a 5 16 x 1 CARRIAGE BOLT CHUTE CRANK ASSEMBLY VAN 5 16 LOCK WASHER eas e 5 16 FLAT WASHER 5 16 HEX NUT yl FIGURE 18 LEFT SIDE VIEW e Coat the top of the ring around the discharge opening with general purpose grease See figure 19 e Place the discharge chute facing forward onto the discharge opening aligning the crank rod spiral with the notches in the chute flange e Attach the three chute keepers right side up as shown in figure 19 and the anti rotation bracket to the bottom of the chute flange Use six 1 4 x 1 hex bolts 1 4 flat washer
4. transport position BEFORE STARTING HOW TO START YOUR SNOW THROWER e Use the end of assembly checklist to verify that all e The tractor should be sitting with the engine running instructions have been properly completed at full throttle Pull the attachment clutch switch out to Make sure the skid shoes are adjusted to maintain the engaged position starting the snow thrower before adequate ground clearance between the snow starting the tractor in motion thrower and the type of surface to be cleared The skid shoes are factory adjusted for clearing a smooth HOW TO STOP YOUR SNOW THROWER surface Refer to the Service and Adjustments R To stop the snow thrower push in the attachment clutch switch on the tractor Refer to the Operation section in your tractor owner s manual section in this manual e Make sure the tractor engine has the correct oil for winter operation Refer to your tractor owner s manual 15 HOW TO USE YOUR SNOW THROWER CAUTION Never direct discharge towards bystanders or windows Do not allow anyone in front of unit A CONTROLLING SNOW DISCHARGE To control the direction snow is thrown the discharge chute has 180 degrees of rotation Turn the crank rod clockwise to rotate the chute to the right Turn the crank rod counterclockwise to rotate the chute to the left To control the distance snow is thrown the upper section of the discharge chute pivots up and down Push forward on the chute tilt handle to
5. all times Use extreme caution when operating on or crossing gravel surfaces Do not carry passengers After striking a foreign object stop the engine remove the wire from the spark plug and then thoroughly inspect the snow thrower for damage Repair any damage before restarting and operating the snow thrower If the snow thrower starts to vibrate abnormally stop the engine immediately and check for the 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 transporting 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 23 of this manual Never operate the snow thrower without guards plates or other safety protection devices in place Never operate the sno
6. belt tension pull the chain as far as the inside hairpin clip will allow and then reinstall the outside 1 8 hairpin clip into the chain See figure 23 IMPORTANT If the L H inside hairpin clip is removed reinstall it in link 8 on tractors with 6 diameter engine pulleys or in link 5 on tractors with smaller engine pulleys Links are counted from the end of the chain attached to the spring Hold this diagram above you while viewing the Clutch Idler Assembly from underneath the tractor Right and left in this diagram will be the reverse of the viewer s right and left RIGHT SIDE LEFT SIDE OF OF TRACTOR TRACTOR R H TENSION L H TENSION ADJUSTING CHAIN ADJUSTING CHAIN AUGER BELT DRIVE BELT LAA Ko M RAX REAR PULLEV 6 Im q r 1 8 HAIRPIN CLIP 1 8 HAIRPIN INSIDE INSIDE CLIP HAIRPIN HAIRPIN CLIP CLIP FIGURE 23 VIEWED FROM UNDERNEATH ATTACHING WEIGHT TRAY TO TRACTOR e Loosen the two hex bolts and nuts which fasten the top of the tractor drawbar to the rear of the tractor frame See figure 24 Assemble the notched end of the side brace arms down onto both loosened bolts Do not tighten yet See figure 24 e Fasten the weight tray to the drawbar using two 3 8 x 1 hex bolts 3 8 lock washers and 3 8 hex lock nuts Do not tighten yet See figure 24 e Fasten the weight tray to the side brace arms using two 5 16 x 1 carriage bolts 5 16 lock washers and 5 16 hex nuts Do n
7. pivot the chute down decreasing the distance snow is thrown Pull back on the handle to pivot the chute up increasing the distance snow is thrown RAISING AND LOWERING e To raise push down on the lift handle until the snow thrower locks in the raised transport position To lower push down slightly on the lift handle and pull the trigger With the trigger pulled slowly lower the snow thrower until it reaches the ground CAUTION Do not operate the snow thrower without the rear weight attached to the tractor to provide extra traction and stability REMOVING SNOW Snow removal conditions vary greatly from light fluffy snowfall to wet heavy snow Operating instructions must be flexible to fit the conditions encountered The operator must adapt the lawn tractor and snow thrower to depth of snow wind direction temperature and surface conditions Before beginning operation thoroughly inspect the area of operation and remove all door mats sleds boards wires and other foreign objects The spiral auger speed is directly related to engine speed For maximum snow removal and discharge maintain high engine r p m full throttle It is advisable to operate the lawn tractor at a slow ground speed 1st gear for safe and efficient snow removal In deep drifted or banked snow it will be necessary to use full throttle and a slow ground speed 1st gear Drive forward into the snow depress the tractor s clutch brake pedal and all
8. snow thrower See also page 2 e Tire chains which can be installed to improve traction e 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 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 LIFT RELEASE TRIGGER ee CHUTE TILT HANDLE Jo CRANK ROD LIFT HANDLE LEVELING SHOE Behind housing SCRAPER PLATE pz SKID SHOE SPIRAL AUGERS R H 8 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 Replaceable plate that absorbs control the direction of discharge wear and impact from contact with ground LEVELING SHOE Helps maintain the snow thrower in a SKID SHOE Controls amount of clearance between level position the scraper plate and the ground LIFT HANDLE Used to lift or lower the snow thrower SPIRAL AUGER R H amp L H Feed snow to the to transport or operating position impeller fan at the center of the housing LIFT RELEASE TRIGGER Releases the lock which holds the snow thrower in the up
9. the drive belt onto the tractor s engine pulley and then onto the upper rear pulley on the TWIST TWIST clutch idler assembly Keep the flat idler pulley on the 1 4 TURN Sa A 1 4 TURN outside of the belt See figure 21 IDLER U IDLER PULLEY PULLEY e Hold this diagram above you while viewing the Clutch Idler Assembly from underneath the tractor Right and left in this diagram will be the reverse of the viewer s right and left RIGHT SIDE LEFT SIDE FIGURE 22 VIEWED FROM REAR OF TRACTOR OF TRACTOR FLAT DRIVE V BELT IDLER PULLEY po FSu CHU A 3 Bm Wi thi 1 8 HAIRPIN CLIP FIGURE 21 VIEWED FROM UNDERNEATH Raise the snow thrower to the transport position Place the auger belt around the bottom rear pulley on the clutch idler assembly and between the two pulleys on the lower idler arm Keep the flat idler pulley to the outside of the belt See figure 23 Pull the flat idler pulley against the auger belt using the R H tension adjusting chain For correct belt tension pull the chain as far as the inside hairpin clip will allow and then reinstall the outside 1 8 hairpin clip into the chain See figure 23 IMPORTANT If the R H inside hairpin clip is removed reinstall it in link 44 counted from the end of the chain attached to the spring Pull the upper flat idler pulley against the drive belt using the L H tension adjusting chain For correct
10. 8 LOCK WASHER BRACKET WASHER 2 SPACERS SHOULDER BOLT LEFT SIDE VIEW ATTACHING CLUTCH IDLER ASSEMBLY e Connect the end link of each chain to the springs shown in figure 11 If your mower deck is 48 or 54 skip this paragraph e f you have a mower deck smaller than 48 measure the outer diameter of the tractor s engine pulley If the diameter of the pulley is less than 6 move the inside hairpin clip in the L H adjusting chain from link 8 to link 5 Links are counted from the end of the chain attached to the spring ENGINE PULLEYS LESS THAN 6 IN DIAMETER LINK 5 IN L H CHAIN R H CHAIN FIGURE 11 If your mower deck is 54 skip this paragraph e Attach the rear of the clutch idler assembly to the tractor frame by sliding the notched arms of the assembly onto the shoulder bolts assembled to the frame brackets Lift the front of the assembly positioning the upper idler pulley so that it clears the engine pulley Attach the front of the assembly to the hanger brackets using two pivot lock pins and two hairpin clips See figure 12 innen FIGURE 12 RIGHT SIDE VIEW This paragraph for 54 mowers only e Attach the rear of the clutch idler assembly to the tractor frame by sliding the notched arms of the assembly onto the shoulder bolts assembled to the frame brackets Lift the front of the assembly positioning the upper idle
11. Grasp the round bar just behind the auger drive pulley and lift up to align the rear mounting notches on the snow thrower with the mounting pins on the tractor Slide the pins into the notches HINT If you are unable to fit the mounting pins into the notches try placing 1 or 2 blocks of wood under the front skid shoes on the snow thrower Assemble a 3 4 washer and a 1 8 hairpin clip to each mounting pin Secure the snow thrower to the tractor using the attachment pin and 1 8 hairpin clip Insert the attachment pin from the left side See figure 20 ATTACHMENT PIN re 1 8 HAIRPIN cue 3 4 FLAT WASHER FIGURE 20 RIGHT SIDE VIEW ASSEMBLING THE BELTS AUGER BELT Make sure the auger belt is correctly assembled to IMPORTANT The tapered V section of the belts must the snow thrower The belt must pass over the top be seated into the grooves of the V pulleys of the auger pulley and then twist 1 4 turn to pass underneath the two side idler pulleys on the snow DRIVE BELT thrower The V side of the belt must seat in the e Remove the two outside 1 8 hairpin clips which are grooves of all three pulleys See figure 22 assembled to the L H and R H tension adjusting chains outside of the clutch idler assembly frame The clips will be reinstalled after both belts have been assembled Do not remove the 3 32 hairpin clips assembled to the chains on the inside of the assembly frame See figure 21 AUGER PULLEY e Assemble
12. L H Frame Bracket Spacer Hanger Bracket L H 54 Hanger Bracket R H 54 Hex Bolt 3 8 16 x 1 1 4 Owner s Manual REPAIR PARTS FOR MODEL 486 248463 46 SNOW THROWER REPAIR PARTS FOR MODEL 486 248463 46 SNOW THROWER REF PART QTY DESCRIPTION REF PART NO NO NO NO 736 0400 43064 43063 47368 47369 603 0365 784 5706 24310 63675 741 0192 24312 43093 48114 48115 R19171616 43055 44062 47364 24418 43086 R19212016 43010 47066 43343 603 0302 784 5604 720 0232 1 1 1 1 1 4 2 1 1 i 2 2 1 2 2 1 6 6 2 4 2 2 1 12 4 2 1 3 1 A 1 Lift Bracket Handle Lift Bracket Assembly Index Lift Rod Hex Screw 10 x 1 2 Compression Spring Flat Washer 13 32 x 13 16 Flat Washer 3 16 x 5 8 Hex Lock Nut 5 16 18 Thd Hex Bolt 5 16 18 x 1 Spring Pin 5 16 x 1 3 4 Spring Pin 3 16 x 1 3 4 Frame Assembly Upper Link Lift Link Lift Arm Assembly Flange Bearing W Flats Mounting Bracket Cotter Pin 1 8 x 1 1 2 Shoulder Bolt 1 2 13 x 5 8 Hex Lock Jam Nut 1 2 13 Thd Flat Washer 17 32 x 1 Hair Cotter Pin 3 32 3 Clevis Pin 1 2 x 1 Spacer Bracket Support Rod Lockwasher 5 16 Flat Washer 21 32 x 1 1 4 Cotter Pin 1 8 x 1 Attachment Pin Hair Cotter Pin 3 32 x 2 5 16 Chute Tilt Bracket Assembly Chute Tilt Handle Knob 23 oo A O DP DPD WD PB O DO OO DD HHHHHN AH Ha DD Ha e DESCRIPTION Chu
13. Owner s Manual CRAFTSMAN 46 2 STAGE SNOW THROWER TRACTOR ATTACHMENT Model No 486 248463 Safety CAUTION e Assembly Before using this product read this manual and follow all Safety Operation Rules and e Maintenance Operating Instructions e Parts IMPORTANT READ THIS FIRST For Missing Parts or Assembly Questions Please Call 866 576 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 49346 REV 7 04 TABLE OF CONTENTS ACCESSORIES una 2 SAFETY RULES custodio 3 FULL SIZE HARDWARE CHART 4 CARTON CONTENTS ursuerssnersnersnnennnnennnennnnen nennen 5 ASSEMBLY aussen 6 OPERATION eier kei 15 MAINTENANCE u net 17 SERVICE AND ADJUSTMENTS 18 STORAGE nenne 19 TROUBLESHOOTING une 19 REPAIR PARTS ILLUSTRATION 20 22 REPAIR PARTS LIST u a 21 23 SLOPE GUIDE czai od reale 27 PARTS ORDERING SERVICE Back Page WARRANTY LIMITED ONE YEAR WARRANTY ON 46 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
14. ble the belt onto the clutch idler assembly as instructed for figure 23 on page 13 el RELEASE CABLE ADJUSTMENT 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 See figure 17 on page 10 e Ifthe lift rod fails to unlock completely to lower the snow thrower to the ground loosen the lower hex nut on the lift bracket a few turns and tighten the upper hex nut Refer to figure 17 on page 10 lee AUGERS 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 e If the augers will not turn check to see if the shear bolts have sheared See figure 27 Two replacement shear bolts and hex lock nuts have been provided with the snow thrower For future use order part number 710 0891 shear bolt and number 43064 hex lock nut LAN Y i IN 5 Wa V A Pp EA U SHEAR BOLT AND HEX LOCK NUT SCRAPER PLATE FIGURE 27 SKID SHOE LEVELING SHOE ADJUSTMENT The snow thrower must be attached to the tractor for correct adjustment of the shoes e The skid shoes regulate the distance the scraper plate is raised above the plowing surface They are mounted on each side of the spiral auger housing The leveling shoes help maintain the snow thrower in a level position They are mou
15. bracket and bolt from both sides of the tractor frame See figure 3 e Remove the two bolts from the bottom of the foot rests on both sides of the tractor frame See figure 7 54 MOWER DECKS MOWER STOP BRACKET FIGURE 7 e Assemble the 54 R H hanger bracket to the holes where the mower stop bracket was removed on the right side of the tractor frame Fasten with two 3 8 x 1 hex bolts two 3 8 lock washers and one 3 8 hex lock nut See figure 8 54 MOWER DECKS 3 8 HEX 3 8 LOCK LOCK NUT WASHER R H HANGER 3 8 x 1 HEX BOLT 3 8 x 1 3 8 LOCK HEX BOLT WASHER FIGURE 8 FIGURE 9 RIGHT SIDE VIEW RIGHT SIDE VIEW FIGURE 10 Assemble the 54 L H hanger bracket to the holes where the mower stop bracket was removed on the left side of the tractor frame Fasten with two 3 8 x 1 hex bolts two 3 8 lock washers and two 3 8 hex lock nuts See figure 9 54 MOWER DECKS L H HANGER BRACKET 54 3 u x hi Ka HEX BOLT 3 u LOCK 3 8 HEX LEFT SIDE VIEW Assemble a frame bracket to the L H foot rest as shown in figure 10 Use two 3 8 x 1 1 4 hex bolts four spacers 2 per bolt and two 3 8 lock washers Assemble a shoulder bolt to the inside of the frame bracket securing it with a 3 8 lock washer and a 3 8 hex lock nut See figure 10 Repeat with a frame bracket on the R H side of the tractor 54 MOWER DECKS 3 8 x 1 1 4 3 8 HEX HEX BOLT LOCK NUT 3 8 LOCK FRAME 3
16. e where the mower stop bracket was removed and to the upper hole under the front of the foot rest Fasten with two 3 8 x 1 hex bolts 3 8 lock washers and 3 8 hex lock nuts On tractors with muffler guards slide the hanger bracket between the guard and the tractor frame See figure 4 MUFFLER GUARD ONLY MODELS WITH SIDE MUFFLER R H HANGER BRACKET 3 8 x 1 HEX BOLT 3 8 HEX LOCK NUT 3 8 LOCK WASHER FIGURE 4 RIGHT SIDE VIEW e Assemble the L H hanger bracket to the left side of the tractor frame using two 3 8 x 1 hex bolts two 3 8 lock washers and two 3 8 hex lock nuts as shown in figure 5 3 8 LOCK WASHER L H HANGER BRACKET l o LOCK NUT 3 8 x 1 HEX BOLT FIGURE 5 LEFT SIDE VIEW e Assemble a frame bracket to the L H foot rest and sway bar bracket as shown in figure 6 Use two 3 8 x 1 1 4 hex bolts three spacers and two 3 8 lock washers e Assemble a shoulder bolt to the inside of the L H frame bracket securing it with a 3 8 lock washer and a 3 8 hex lock nut See figure 6 e Repeat with a frame bracket on the R H side of the tractor Attach in the same manner but use four spacers two per bolt e Proceed to page 9 3 8 x 1 1 4 HEX BOLT 3 8 HEX LOCK NUT 3 8 LOCK 3 8 LOCK WASHER WASHER SHOULDER BOLT BRACKET SWAY BAR FIGURE 6 LEFT SIDE VIEW This page for tractors with 54 mower decks only e Remove and store the mower stop
17. he carriage bolt in the tractor frame See figure 1 e Repeat for the L H front suspension bracket REMOVE NUT OR BOLT Ez O G U REMOVE BOLT FRONT SUSPENSION BRACKET R H FIGURE 1 RIGHT SIDE VIEW e Attach the front of the side plate to the threaded hole in the tractor frame using a 3 8 x 1 hex bolt and a 3 8 lock washer Attach the rear of the R H side plate to the tractor using either a 3 8 x 1 hex bolt and lock washer or a 3 8 hex lock nut and lock washer Repeat for the L H side See figure 2 NOTE If the side plates are removed from the tractor frame be sure to reassemble bolts and nuts back into the frame 3 8 HEX OR 3 8 X 1 LOCK NUT HEX BOLT 3 8 LOCK WASHER 3 8 x 1 HEX BOLT gt SIDE PLATE R H FIGURE 2 RIGHT SIDE VIEW If you have a 54 mower deck go directly to page 8 All other deck sizes use the following instructions e Remove the mower stop bracket and its two bolts and nuts from the R H side of the tractor frame as shown in figure 3 e If the tractor has a muffler guard at the front of the R H foot rest remove the bottom bolt and nut and the washer which is located between the guard and the tractor frame See figure 3 e Remove the two bolts from the bottom of both the R H and L H foot rests See figure 3 NS MUFFLER GUARD m ONLY MODELS WITH SIDE MUFFLER MOWER STOP BRACKET FIGURE 3 RIGHT SIDE VIEW e Assemble the R H hanger bracket to the bottom hol
18. housing does not remove easily from the tractor try placing 1 or 2 blocks of wood under the front skid shoes on the snow thrower See the instructions for figure 20 on page 11 TROUBLESHOOTING Spiral augers stop turning 1 Upper or lower V belt too loose Increase tension on V belt 2 Upper or lower V belt broken Replace V belt 3 Shear bolts are sheared Replace shear bolts in auger Clogged discharge chute 1 Tractor ground speed too fast Use lower tractor gear 2 Tractor throttle set too low Increase to full throttle 3 Snow too deep Raise the snow thrower 4 Snow melts during contact with Allow snow thrower to cool to the snow thrower outdoor temperature before using Snow thrower stalls tractor engine 1 Object jammed in spiral auger1 Stop engine disengage the snow thrower and clear the auger 2 Hard or heavy snow 2 Increase to full throttle and decrease ground speed Front wheels slide instead of steering Not enough traction at front wheels Lower skid shoes raising scraper plate to reduce resistance Pull down slightly on lift handle to temporarily increase weight on front wheels Snow thrower rides up over snow 1 Tractor ground speed too fast Reduce ground speed 2 Bottom snow is icy or hard packed 2 Lower the skid shoes so that front of skid shoe is lower than the rear Snow thrower rocks backward while Leveling shoes set too high Adjust leveling shoes as instructed blowing snow in Service and Adjustments
19. irst snowfall remove all stones sticks and other objects which could become hidden by the snow Permanent obstacles should be marked for visibility Overlap each pass slightly to assure complete 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 complete regular service Check for loose fasteners Service Dates et rana PO Check scraper and shoes for wear X AAA ee rt LubricationSection ST EXT N T tt tf 1 tf CHECK FOR LOOSE FASTENERS e Before each use make a thorough visual check of the snow thrower for any bolts and nuts which may have loosened Retighten any loose bolts and nuts CHECK BELTS FOR WEAR e Visually check both of the V belts on the snow thrower for wear or damage Replace if the belt cover has become torn frayed of is worn through CHECK SCRAPER AND SHOES FOR WEAR Refer to figures 27 and 28 on page 18 e The scraper plate skid shoes and leveling shoes on the snow thrower are subject to wear through normal use To prevent damage to the spiral auger housing replace plate and shoes before wear is excessive ee Clean out any dirt and debris from auger and impeller after each use e Before storing at the end of each season rinse out the auger and impeller housing Allow to dry thoroughly e Before storing at the e
20. ll parts and hardware and identify using the illustrations on pages 4 and 5 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 proceeding with 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 Remove any front or rear attachment which is mount ed to your tractor e Remove the mower deck Refer to your tractor owner s manual for removal instructions Mark all loose parts and save for reassembly e Remove the tractor hood and grill assembly Refer to your tractor owner s manual for removal instructions ITEMS REMOVED FROM TRACTOR Store all brackets and fasteners removed from the trac tor during the assembly of the snow thrower unless the instructions call for their use ASSEMBLING PARTS TO TRACTOR FRAME Right hand R H and left hand L H are determined from the operators position while seated on the tractor e Remove the hex bolt from the threaded hole at the top front corner of R H front suspension bracket e Remove either a or b depending on tractor a the hex bolt from the threaded hole at the top rear corner of R H front suspension bracket b the nut from the carriage bolt at the top rear corner of the bracket leaving t
21. nd of the season paint any exposed metal surfaces to protect from rust LUBRICATION e Oil all pivot points on snow thrower lift mechanism e Oil upper and lower idler arm pivot points on the clutch idler assembly e Apply a good grade of spray lubricant to the trigger assembly on the lift handle and the chute tilt control assembly and cables on the crank support tube See figure 26 e Apply a small amount of oil between the inside of the discharge chute and the top of the discharge opening on the auger housing as needed to maintain easy rotation of the discharge chute See figure 26 SPRAY LUBRICANT FIGURE 26 SERVICE AND ADJUSTMENTS CAUTION Before servicing or adjusting 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 e Raise the snow thrower to the transport position e Release the spring tension on the drive belt idler e Release the spring tension on the auger belt idler e Remove the belt cover and loosen the belt keeper bracket items 18 and 19 on page 20 e Remove the auger belt from the clutch idler assembly and from the spiral auger housing e Install new belt around top of auger drive pulley and underneath the two side idler pulleys Twist the belt 1 4 turn to seat it in each idler pulley e Reinstall the belt cover and tighten the belt keeper bracket items 18 and 19 on page 20 e Assem
22. nted just behind the auger housing e When removing snow from a gravel driveway or an 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 a smooth blacktop or concrete surface keep the scraper plate as close to the surface as possible e To adjust the skid shoes raise the snow thrower off the ground and place a wood block under each end of the scraper plate Loosen the six hex nuts securing the skid shoes to the housing Adjust the skid shoes up or down to the desired position and tighten the nuts securely Both skid shoes should be the same height to keep the housing and the scraper plate level See figure 28 e The skid shoes may be turned to face either in or out In order to obtain the lowest setting where the scraper blade fully contacts the ground the skid shoes must be facing out as shown in figure 28 e Before adjusting the leveling shoes make sure the skid shoes are properly adjusted With the snow thrower in the lowered position loosen the bolts which fasten the leveling shoes to the thrower and adjust the leveling shoes to solidly contact the ground Retighten the bolts See figure 28 f LEVELING SHOE f WOOD BLOCK SKID SHOE FIGURE 28 STORAGE SIA RECOMMENDATIONS PARTS TO REMOVE AT END OF SEASON Lower the snow thrower to the ground and remove it Remove the V belt from the engine pulley and the from the tractor
23. of charge If 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 negligence 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 52050 The model number and serial numbers will be found on a decal attached to the snow thrower You should record both the serial number and the date of purchase and keep in a safe place for future reference MODEL NUMBER 486 248463 SERIAL NUMBER DATE OF PURCHASE A SAFETY A Any power equipment can cause injury if operated improperly
24. or brand appliances in your own home no matter who made it no matter who sold it 1 800 4 MY HOM ESM Anvtime dav 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 6 a m 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 5 p m CST Mon Sat Para pedir servicio de reparaci n a domicilio Au Canada pour service en frangais y para ordenar piezas con entrega a domicilio 1 877 LE FOVER 1 888 SU HOGAR 1 877 533 6937 1 888 784 6427 SEARS HomeCentral Registered Trademark TM Trademark of Sears Roebuck and Co Sears Roebuck and Co Marca Registrada TM Marca de Fabrica de Sears Roebuck and Co
25. 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 to operate your snow thrower and how to stop the unit and disengage the controls quickly Never allow children to operate the equipment Never allow adults to operate the equipment without proper instruction Keep the area of operation clear of all persons especially small children and pets Thoroughly inspect the area where the equipment is to be used and remove all door mats sleds boards wires and other foreign objects Disengage all clutches and shift into neutral before starting engine Do not operate equipment without wearing adequate winter outer garments Wear substantial footwear which will protect feet and improve footing on slippery surfaces 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 indoors Gasoline is an extremely flammable fuel Make sure the snow thrower height is adjusted to clear the type surface it will be used on Do not use the snow thrower without the rear weight attached to the tractor Never make any adjustments while the engine is running Always wear safety glasses or eye shield during operation or while performing and adjustment or repair Do not place hand or feet near rotating parts Keep clear of the discharge opening at
26. ot tighten yet See figure 24 e Fasten the weight tray cross brace to the side brace arms using two 5 16 x 1 carriage bolts 5 16 lock washers and 5 16 hex nuts Tighten all loose bolts at this time See figure 24 3 8 LOCK LOOSENED NUT AND BOLT WASHER 3 8 HEX SIDE BRACE ARM 5116 HEX NUT 5 16 x 1 CARRIAGE 5 16 LOCK BOLT WASHER WEIGHT TRAY FIGURE 24 VIEWED FROM REAR 13 e Place the weight keg on the weight tray and fill with approximately 100 Ibs of dry sand e Secure the keg with the rubber tarp strap hooked into the holes in the cross brace See figure 25 TARP STRAP FIGURE 25 VIEWED FROM REAR 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 e All assembly instructions have been completed with all bolts and nuts properly tightened e Check the engine belt and the auger belt Make sure they are routed properly around pulleys and inside all belt keepers e Check discharge chute for proper rotation e Check operation of tilt control for upper chute e Verify that the snow thrower can be locked into and released from the raised transport position using the lift handle Refer to the Service and Adjustments section Accessories The following additional items are available from Sears to help enhance the performance of your
27. ow the spiral auger to clear the snow Repeat this method until a path is cleared On the second pass overlap the first enough to allow the snow thrower to handle the snow without repeated stopping and starting of forward motion In extremely deep snow raise the snow thrower from the ground to remove the top layer and drive forward only until the tractors front tires reach the uncleared bottom layer of snow Depress the tractor s clutch brake pedal and allow the spiral auger to clear the snow Reverse the tractor and lower the snow thrower to the ground Drive the tractor forward until the snow again becomes too deep Repeating this process into and out of drifts will eventually clear even the deepest of snow piles If the snow thrower becomes clogged with snow or jammed with a foreign object disengage the snow thrower immediately and shut off the tractor engine Unclog the snow thrower before resuming operation DANGER Shut off engine and disengage snow thrower before unclogging discharge chute Unclog using a wooden stick not your hands OPERATING TIPS e Discharge snow down wind whenever possible To help prevent snow from sticking to the snow thrower allow the snow thrower to reach outdoor temperature before using it A light coat of wax may also be applied to the inside surface of the snow thrower housing and discharge chute Use tire chains to improve traction Use rear wheel weights to improve traction Before the f
28. r pulley so that it clears the engine pulley Attach the front of the assembly to the hanger brackets using two pivot lock pins and two hairpin clips See figure 13 TRACTORS WITH 54 MOWER DECKS ONLY zum FIGURE 13 ASSEMBLY OF SNOW THROWER e 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 lock washers and 5 16 hex nuts See figure 14 LIFT HANDLE 5 16 x 1 3 4 HEX BOLT 5 16 HEX NUT 5 16 LOCK WASHER FIGURE 14 NOTE Be sure the lift release cable s plastic covering remains inserted into the trigger assembly while completing the next step e Push the lift handle down into the locked position Insert the end of the cable wire into the hole in the lift rod Place the threaded fitting into the slot in the lift bracket with one hex nut above and one hex nut and the lock washer below the slot Tighten the nuts adjusting them to eliminate slack in the cable wire See figure 15 Refer also to the Service and Adjustments section on page 18 in this manual LIFT RELEASE CABLE HEX NUT TRIGGER ASSEMBLY RIGHT SIDE VIEW FIGURE 16 Remove the nylon tie which fastens the chute crank rod to the crank support tube Assemble the crank support tube flat side to the two brackets on the left side of the thrower housing using two 3 8 x 1 1 2
29. s and 1 4 flanged lock nuts Tighten carefully so that the plastic parts are not deformed See figure 19 e Place the plastic grip onto the back end of the anti rotation bracket See figure 19 e Position the chute crank assembly so that the crank rod spiral does not rub the bottoms of the notches in the chute flange and then tighten the nuts left loose in figure 19 e Check if the crank rod rotates the chute freely If not loosen by 1 4 turn each the six flanged nuts holding the chute keepers to the chute flange 1 4 x 1 FLANGE HEX BOLT grease Numan WASHER 23 PLASTIC GRIP ANTI ROTATION BRACKET 1 4 FLANGED LOCK NUT N Ae FIGURE 19 RIGHT FRONT CORNER VIEW MOUNTING SNOW THROWER TO TRACTOR NOTE The help of another person may be required to mount the snow thrower to the front of the tractor Place the tractor and snow thrower on a flat level surface Remove the plastic tie from the auger belt and extend the belt out behind the snow thrower making sure the belt remains assembled around the top of the large auger drive pulley and passing underneath the two side idler pulleys Align the tractor behind the snow thrower Remove the attachment pin from the snow thrower Squeeze the release trigger on the lift handle and raise the handle out of the locked position If the handle will not release out of the locked position refer to the Service and Adjustments section of this manual
30. section PARTS REPAIR PARTS FOR MODEL 486 248463 46 SNOW THROWER 54 1 53 ik N 52 al 51 J Z BG H 20 REPAIR PARTS FOR MODEL 486 248463 46 SNOW THROWER REF PART QTY DESCRIPTION REF PART DESCRIPTION NO NO NO NO 2 2 1 1 1 1 1 1 7 3 38 30 1 1 6 1 1 12 2 2 1 1 1 1 2 2 2 1 1 20 16 2 2 2 8 19 17 10 1 1 1 1 1 1 5 1 1 1 1 1 1 1 1 2 1 784 5149 43850 43070 24300 24299 64504 24286 63762 24472 756 0405 47044 47064 48102 Housing Assembly Impeller Assembly Spring Pin 5 16 x 1 3 4 Spring Pin 3 16 x 1 3 4 Spiral Assembly R H Spiral Assembly L H Not Shown Auger Gear Assembly Gear Housing Support Plate Gear Housing Support Bracket Bolt Self Thd 5 16 18 x 3 4 Flat Washer 11 32 x 11 16 Hex Bolt 5 16 18 x 1 Hex Lock Nut 5 16 18 Thd Lockwasher 5 16 Bearing Offset Bracket Spacer Flanged Lock Nut 1 4 20 Thd Belt Keeper Bracket Belt Cover Nylock Nut 5 16 18 V Pulley Idler Bearing Housing Idler Bracket L H Idler Bracket R H Cross Tie Bracket Key 3 16 x 3 4 Lockwasher 1 2 Hex Lock Nut 1 2 13 Thd Spacer Palnut 3 8 Wear Plate Carriage Bolts 5 16 18 x 3 4 Flat Washer 5 16 Skid Shoe Leveling Shoe Skid Shoe Bracket Hex Bolt 3 8 16 x 1 Lockwasher 3 8 Hex Lock Nut 3 8 Carriage Bolt 5 16 18 x 1 Bearing Self Aligning Pulley 9 Hex Bolt 3 8 24 x 7 8 Flat Washer
31. te Crank Rod Knob Crank Palnut 3 8 Plastic Bushing 3 8 Lift Handle Tube Lift Cable Flat Weld Nut 10 24 Tha Oval Screw 10 24 x 1 Handle Grip Plastic Tie Side Plate Assembly R H Side Plate Assembly L H Weight Keg Weight Tray Cross Brace Weight Tray Brace Arm Side Hex Bolt 3 8 16 x 1 1 2 Lockwasher 3 8 Hex Lock Nut 3 8 16 Thd Carriage Bolt 5 16 18 x 1 3 4 Hex Nut 5 16 18 Thd Hex Bolt 5 16 18 x 1 Bowed Washer Hex Bolt 5 16 18 x 1 3 4 Flat Washer 3 4 Hex Bolt 3 8 16 x 1 Tarp Strap Carriage Bolt 5 16 18 x 1 Cable Guide Flat Washer 5 16 Crank Support Tube Cable Release Trigger Assembly Plastic Cap Housing Trigger NOTES NOTES NOTES Keep this sheet in a safe place for future reference Use this guide to determine if a slope is safe for the operation of your tractor and snow thrower Refer also to the instructions in your vehicle owners manual ddO IS V NO 4 1IHM SHHANANVW YO SNYNL NAGGNS ANY GIOAV 1d01S V NO ONILVHAdO 340434 Sallmiavdvo DNIMVHd GNV DNIMOL S JOLIVAL NOA AO 34NS 34 SAAYOAC 0L AO SS39X3 NI HdO 1S V NO HHMOHHL MONS ANY H0LOVAHL YNOA ALVHHdO LON OG NOILNVD f Mad ri LA tha h y a a 150d 39N33 V 4O p l l RSA ONIGTINAd V HO HANHOO V gt i l I 310d HHMOdv TTT TTT TTT gt 3341 TVOLLUJA Y HLIM 13437 SIHL G1OH GNV LHDIS 2T Get it fixed at your home or ours For repair of maj
32. ulder Bolt Hex Nut 5 16 Flanged Lock Nut 1 4 Hex Lock Nut 3 8 Lock Washer 5 16 Lock Washer 3 8 ZPTACETIOTMOOU gt D lt xs lt CHHDOVOZ a E N0 NN 2O0ONNON LJ F _6G E 4 E am A EA DESCRIPTION Bowed Washer Washer 1 4 Washer 5 16 Washer 3 4 Spacer Hairpin Clip Shear Bolt Hex Lock Nut 5 16 Tarp Strap Chute Keeper Plastic Grip Lock Pin H ASSEMBLY CARTON CONTENTS 1 Frame Brackets 2 11 Side Brace Arms 2 2 Hanger Bracket L H 54 12 Chute Crank Assembly 3 Hanger Bracket R H 54 13 Lift Handle with Cable 4 Hanger Bracket L H 14 Clutch ldler Assembly 5 Hanger Bracket R H 15 Drive V Belt 6 Side Plate L H 16 Auger V Belt Attached to Housing Assembly 7 Side Plate R H 17 Anti rotation Bracket 8 Cross Brace 18 Chute and Control Cable Assembly 9 Plastic Weight Keg 19 Housing Assembly 10 Weight Tray Hardware Package Stored inside Plastic Keg 1 2 3 6 7 A 5 IC 7 i q en l p 270 8 TOOLS REQUIRED FOR ASSEMBLY 2 7 16 Wrenches 1 2 Wrenches 9 16 Wrenches 5 8 Wrench or Adjustable Wrench 11 16 Wrench or Adjustable Wrench 3 4 Wrench or Adjustable Wrench Knife General Purpose Grease 2 2 1 1 1 1 REMOVAL OF PARTS FROM CARTON Remove all parts and hardware packages from the carton Lay out a
33. w thrower near glass enclosures 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 snow thrower Never run the snow thrower into material at high speeds Do not overload the machine capacity by attempting 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 transporting 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 A alert Your safety is involved Look for this symbol to point out important safety precautions It mean Attention Become HARDWARE PACKAGE CONTENTS SHOWN ACTUAL SIZE l Two shear bolts R and hex lock nuts S are provided as replacement parts for the spiral augers Store in a safe place until needed See page 16 T ee Hex Bolt 3 8 x 1 1 2 Hex Bolt 3 8 x 1 1 4 Hex Bolt 3 8 x 1 Hex Bolt 5 16 x 1 3 4 Hex Bolt 1 4 x 1 Carriage Bolt 5 16 x 1 3 4 Carriage Bolt 5 16 x 1 Sho

Sears 486.248463 User's Manual

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