Craftsman 486.2484 Snow Blower User Manual
Contents
1. In Canada for all your service and parts needs call Au Canada pour tout le service ou les pieces 1 800 665 4455 For the repair or replacement parts you need Call 7 am 7 pm 7 days a week 1 800 366 PART 1 800 366 7278 Para ordenar piezas con entrega a domicilio 1 800 659 7084 For the location of a Sears Parts and Repair Center in your area Call 24 hours a day 7 days a week 1 800 488 1222 For information on purchasing a Sears Maintenance Agreement or to inquire about an existing Agreement Call 9 am 5 pm Monday Saturday 1 800 827 6655 SEARS HomeCentral The Service Side of Sears PRINTED IN U S A FORM NO 47034 1 98 242. 1 HEX Wee LOCK NUT 7 gt 8 TO FIGURE 21 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 e Remove the Attachment Pin from the snow thrower e Extend the belt out behind the snow thrower making sure the belt is still looped over the top of the large drive pulley and underneath the two idier pulleys The V side of the belt must be seated in the grooves of all three pulleys 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 boits 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 22 until you have assembled the belt as instructed for figure 23 ATTACHMENT PIN 1 8 HAIRPIN COTTER SHOULDER BOLT FIGURE 22 RIGHT SIDE VIEW INSTALLING THE AUGER DRIVE BELT When assembling the belt under the tractor hold this manual above you so that you will be viewing the beit diagram and the tractor from the same direction e To attach the auger drive belt the lift handle should
3. L H Hanger Bracket marked L to the inside of the frame using a 3 8 x 1 carriage bolt 3 8 lock washer and 3 8 hex lock nut Make sure the bolt is assembled from the inside of the tractor frame Repeat for the R H side HINT If the tractor s suspension arms are in the way lower them using the attachment lift lever 3 8 Lock N WASHER MCK HEX o e LOCK NUT 3 8 x 1 CARRIAGE BOLT FIGURE L H HANGER BRACKET LEFT SIDE VIEW INSTRUCTIONS FOR ALL TRACTORS e Remove and discard 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 6 BOLT REMOVED FROM THIS HOLE 3 8 HEX LOCK NUT SWAY BAR BRACKET FIGURE 6 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 7 e Replace the engine pulley keeper on your tractor with the new pulley keeper supplied with the snow blower Attach the keeper to the frame using the original bolt washer and nut See figure 7 NOTE Some tractors may already be equipped with an identical pulley keeper ORIGINAL BOLT NUT AND WASHER 3 8 HEX __ LOCK NUT ANS SHOULDER BOLT NEW ENGINE R H HANGER BRACKET PULLEY KEEPER FIGURE 7 RIGHT SIDE VIEW INSTALLING THE CLUTCH IDLER ASSEMBLY O
4. pushed down to increase slack in the belt Beneath the tractor the idler arm on the bottom of the clutch idler assembly should be pivoted to the left side of the tractor as shown in figure 23 e Place the auger belt around the rear pulley and between the two idler pulleys with the V side of the belt seated in the grooves of the V pulleys See figure 23 FRONT LEFT SIDE OF TRACTOR FIGURE 23 VIEWED FROM UNDERNEATH INSTALLING THE ATTACHMENT PIN Lift the front of the snow blower to bring the holes in the mounting plates and the side plates into alignment 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 22 SETTING THE BELT TENSION To obtain the preset belt tension pull the right side tensioning chain as tight as the pre assembled hairpin cotter will allow Secure the chain in this position with a 1 8 hairpin cotter See figure 24 RIGHT SIDE OF TRACTOR TENSIONING CHAIN R H p HAIRPIN COTTER Preassembled to 5th link V PULLEY FLAT PULLEY FIGURE 24 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 slots in the side braces down onto the loosened bolts Do not tighten yet See figure 25 NOTE If there is interference with the hex bolt when using tire chains with extra wide tires assemble the side braces t
5. shut off the tractor engine e To lower push down slightly on the lift handle and Unclog the snow thrower before resuming operation pull the trigger With the trigger pulled slowly lower DANGER Shut off engine and the snow thrower until it reaches the ground disengage snow thrower before CAUTION Do not operate the snow une logging discharge chute Unclog thrower without the rear weight attached using a wooden stick not your hands to the tractor The rear wheels will lose OPERATING SPEED _ braking traction without the rear weight e The spiral auger speed is directly related to engine speed For maximum snow removal and discharge OPERATING TIPS maintain high engine r p m full throttle It is e Discharge snow down wind whenever possible advisable to operate the lawn tractor at a slow e To help prevent snow from sticking to the snow ground speed 1st gear for safe and efficient snow thrower allow the snow thrower to reach outdoor removal 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 DEEP OR DRIFTED SNOW e In deep drifted or banked snow it will be necessary Use tire chains to improve traction to use full throttle and a slow ground speed 1st e Use rear wheel weights to improve traction gear 2 riva forward into the show depress ne e Before the first snowfall remove all stones sticks tractor s clutch brake pedal and allow ihe spir
6. thrower Never run the snow thrower into material at high speeds Do not overioad 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 A Look for this symbol to point out important safety precautions It mean Attention Become alert Your safety is involved HARDWARE PACKAGE CONTENTS SHOWN ACTUAL SIZE WAL GO a gt Two shear bolts X and hex lock nuts Y are provided as replacement parts for the spiral augers Store in a safe place until needed See page 17 X m DESCRIPTION i DESCRIPTION Hex Bolt 1 2 x 1 1 4 Hex Lock Nut 1 4 Hex Bolt 3 8 x 1 Hex Nut 5 16 Hex Bolt 5 16 x t 3 4 Hex Lock Nut 3 8 Hex Bolt 1 4 x 1 Hex Nut 1 2 Stotted Truss Head Bolt 3 8 x Hairpin Cotter 5 64 Carriage Bolt 3 8 x 1 Hairpin Cotter 3 32 Carriage Bolt 5 16 x 1 3 4 Hairpin Cotter 1 8 Carriage Bolt 5 16 x 1 1 4 Shear Bolt Carriage Bolt 5 16 x 1 Hex Lock Nut 5 16 Sho
7. 16 x 3 4 f 43432 Hex Bolt 3 8 16 x 2 1 2 Bolt Shear 5 16 18 x 1 1 2 731 0851A Chute Keeper Washer 1 4 43661 Hex Bolt 1 4 20 x 1 Hex Lock Nut 5 16 18 Thd 43054 Hex Bolt 3 8 16 x 2 Hex Lock Nut 1 4 20 731 1300A Chute Lower Hex Nut 5 16 18 710 0896 Screw 1 4 14 x 5 8 Spiral Pin 1 4 x 1 1 2 Lg 43681 Carriage Bolt 5 16 18 x 1 1 2 Bushing 45133 Spacer Chute Adapter 731 1320 Chute Upper Lock Washer 5 16 731 1313B Guide Cable Washer 76 x 1 49 x 06 784 5594 Bracket Cable Washer 344 I D x 1 125 O D 24472 Spacer Pivot Washer 5 16 Std Wrt 746 0929 Cable Chute Control With Clip Bearing Flange 746 0928 Cable Chute Control Bearing Ball 43070 Washer 3 8 Bushing Plastic 3 8 46959 Spring Bearing Split 3 4 46963 Chain Skid Shoe 43055 Pin Hair Cotter 3 32 Frame Clutch and Pulley 43038 Pin Pivot Lock Housing Bearing 43088 Washer 1 4 1 8 Bracket Chute Crank 43343 Pin Hair Cotter 4 1 8 Bracket Idler 43350 Carriage Bolt 3 8 16 x 1 idler Arm Assembly 47037 Pin Hair Cotter 5 64 Spacer Pivot 711 0198 Trunnion Idler Bracket Assembly 24394 Bracket Chute Anti rotation Hex Bolt 3 8 16 x 1 3 4 1643 60 Plastic Cap Hex Bolt 5 16 24 x 1 63566 Hanger Bracket Assembly R H Pulley Flat 3 3 4 63567 Hanger Bracket Assembly L H Hex Nut 3 8 16 47043 Keeper Engine Pulley Spacer 46948 Rod Engagement Pulley V Type 9 738 0234 Bolt Shoulder Nut Hex Lo
8. 24 UPPER AND LOWER DISCHARGE CHUTE Controls direction and height of snow discharge SCRAPER PLATE Replaceable plate that absorbs wear and impact from contact with ground SKID SHOE Controls amount of clearance between the scraper plate and the ground SPIRAL AUGER R H 8 L H Feed snow to the impeller fan at the center of the housing STARTING e The tractor should be sitting with the engine running at full throttle Move the attachment clutch to the engaged position starting the snow thrower before the tractor clutch is engaged towards bystanders or windows Do not A allow anyone in front of unit CONTROLLING SNOW DISCHARGE e To control the direction snow is thrown the dis charge 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 e 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 pivot the chute down decreasing the distance snow is thrown Pull back on the handle to pivot the chute up incteasing the distance snow is thrown CAUTION Never direct discharge RAISING AND LOWERING e Ifthe snow thrower becomes clogged with snow or e To raise push down on the lift handle until the z jammed with a foreign object disengage the snow snow thrower locks in the raised transport position thrower immediately and
9. Attach the assem bly to the brackets using two pivot lock pins and 1 8 hairpin cotters See figure 9 1 8 HAIRPIN COTTER a LOCK PIN ENGAGEMENT FIGURE 9 RIGHT SIDE VIEW e Make sure the attachment clutch lever on the dash panel is in the disengaged down position e Position the idler arm so that it points straight forward as shown in figure 10 Align the engage ment rod trunnion with the hole in the idler arm by screwing the trunnion in or out on the rod Attach the trunnion to the idler arm using a 5 64 hairpin cotter See figure 10 IDLER ARM 5 64 HAIRPIN COTTER FIGURE 10 RIGHT SIDE VIEW When assembling the belt under the tractor hold this manual above you so that you will be viewing the belt diagram and the tractor from the same direction e Assemble the short V belt onto the engine pulley so that it passes between the pulley and the engine pulley keeper Next assemble the belt onto the large rear pulley on top of the clutch idier assembly passing it between the pulley and the keeper bolt located beside the pulley Position the idler pulley against the outside of the belt See figure 11 IMPORTANT Make sure that the V belt is not assembled around the outside of the engine pulley keeper or the keeper bolt ENGINE PULLEY IDLER PULLEY KEEPER ENGINE PULLEY KEEPER BOLT LEFT SIDE OF TRACTOR FIGURE 11 VIEWED FROM UNDERNEATH INSTALLING THE CLUTCH IDLER ASSEMBLY ON TRACTORS WITH ELECT
10. N TRACTORS WITH MANUAL ATTACHMENT CLUTCHES Use these instructions if your tractor has an attachment clutch lever on the dash panel for starting and stopping the mower deck e Move the attachment clutch lever on the dash panel to the disengaged down position e Screw the trunnion onto the end of the engagement tod as shown in figure 8 e Locate the clutch arm which is found underneath the right hand side the tractor just to the inside of the suspension arm This is the arm that the mower clutch rod was connected to This arm will move forward and backward if the attachment clutch lever on the dash panel is moved e Position the engagement rod to the inside of the clutch arm and insert the drilled end of the rod through the arm Secure with a 5 64 hairpin cotter See figure 8 i ENGAGEMENT ROD CLUTCH ARM a TRUNNION 5 64 HAIRPIN COTTER SUSPENSION ARM FIGURE 8 RIGHT SIDE VIEW e Be sure that the loose end of the engagement rod is lifted up toward the front of the tractor as shown in figure 9 when performing the next operation You can temporarily support the rod using a rubber band tied to the engine pulley keeper e Attach the snow thrower s clutch idler assembly to the tractor frame by sliding the notched arms at the rear of the assembly onto the two shoulder bolts assembled to the inside of the tractor frame Lift the front of the assembly fitting the sides into the R H and L H hanger brackets
11. Owner s Manual CRAFTSMAN 40 2 STAGE SNOW THROWER TRACTOR ATTACHMENT Model No 486 248400 sf 6 W rae RATY ZA X e Safety CAUTION Assembly Before using this product Operation read this manual and follow all Safety Rules and Maintenance Operating instructions e Parts Sears Roebuck and Co Hoffman Estates IL 60179 U S A PRINTED IN U S A TABLE OF CONTENTS ACCESSORIES a aikhe dO 2 SERVICE AND ADJUSTMENTS 11 11 1111211 111 17 SAFETY RULES LL T aa et A EZ O 3 STORAGE wa T E O 18 FULL SIZE HARDWARE CHART areren 4 TROUBLESHOOTING c cccccsccsccscscssessecessesestersees 18 CARTON CONTENT Siscississsussuvazcesansuscectusveescnvorsensennts 5 REPAIR PARTS ILLUSTRATION 1 1 1 1 20 22 ASSEMBLY sza odno E CEER enon ee 5 REPAIR PARTS LIST ueeeaa aaa caz anni 21 23 OPERATION PANNA 15 SLOPE GUIDE une ssania ot dawac oda 19 MAINTENANCE oto dioda 16 PARTS ORDERING SERVICE BACK COVER WARRANTY LIMITED ONE YEAR WARRANTY ON 40 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 If this snow thrower is used for commercial or rental purposes this warranty applies for only 90 days from the date of purchase Thi
12. RIC ATTACHMENT CLUTCHES Use these instructions if your tractor has a push pull switch on the dash panel for start ing and stopping the mower deck Turn the clutch idler assembly upside down and place the extra tensioning chain through the left front hole as shown in figure 12 TENSIONING CHAIN FIGURE 12 e Hook the extra spring through the end of the tensioning chain See figure 13 e Assemble the spring and a 3 8 hex lock nut onto the bottom of the bolt and nut which secures the idler pulley to the upper idler arm Hold the bolt head and tighten the 3 8 hex lock nut leaving it loose enough for the spring to pivot freely between the two nuts See figure 13 e Attach a 3 32 hairpin cotter to the chain placing it in the fifth link from the spring See figure 13 3 32 HAIRPIN COTTER L H SIDE LEFT SIDE OF CLUTCH IDLER ASSEMBLY FIGURE 13 VIEWED FROM UNDERNEATH e Attach the snow thrower s clutch idler assembly to the tractor frame by sliding the notched arms at the rear of the assembly onto the two shoulder bolts assembled to the inside of the tractor frame Lift the front of the assembly so that the sides fit inside the R H and L H hanger brackets Attach the assembly to the brackets using two pivot lock pins and 1 8 hairpin cotters See figure 14 1 8 HAIRPIN COTTER LOCK PIN FIGURE 14 RIGHT SIDE VIEW When assembling the belt under the tractor hold this manual above you so tha
13. ROUBLESHOOTING Spiral augers don t turn Upper or lower V belt too loose Increase tension on V belt Upper or lower V belt broken Replace V belt Shear bolts are sheared Replace shear bolts N Tractor ground speed too fast Use lower tractor gear Tractor throttle set too low Increase to full throttle Snow too deep Raise the snow thrower Snow thrower warmer too warm Allow snow thrower to cool to outdoor temperature before using Clogged discharge chute hon OD Snow thrower stalls tractor engine Object jammed in spiral auger Stop engine disengage the snow thrower and clear the auger 2 Increase to full throttle and decrease ground speed Hard or heavy snow _ Front wheels slide instead of steering Not enough traction at front wheels Lower skid shoes raising scraper plate and reducing 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 2 Bottom snow is icy or hard packed Reduce ground speed 2 Lower the skid shoes so that front of skid shoe is lower than the rear 18 SLOPE GUIDE Keep this sheet in a safe place for future Use this guide to determine if a slope is safe for the operation o reference f your tractor and snow thrower Refer also to the instructions in your vehicle owners
14. Remove the engine pulley keeper and replace it salt deposit which may have dried on the thrower with the tractor s original engine pulley keeper and housing manual attachment clutches only e Any bare metal that has become exposed should e Remove the engagement rod from the tractor s be painted or coated with a light oil to prevent rust clutch arm manual attachment ciutches oniy See e Store in a dry place figure 8 Remove the clutch idler assembly The two hanger REMOVING THE SPIRAL AUGER HOUSING brackets and the two shoulder bolts may be left e Lower the snow thrower to the ground attached to the tractor frame i e Remove the attachment pin See figure 22 e lf a rear mounted attachment is to be used remove e Lock the snow thrower s lift handle in the down the rear weight tray by removing the bolt from the position to decrease belt tension tractor hitch and loosening the two bolts fastening gt Release the spring tension from the auger belt idler the tray s side braces to the tractor Be sure to arm on the bottom of the clutch idier assembly retighten the two bolts in the side of the tractor e Remove the auger drive belt from the ciutch idler See figure 25 assembly See figure 23 e fa front mounted attachment is to be used e Pull the spiral auger housing assembly off of the remove the side plates from the tractor Be sure to tractor See figure 22 assemble bolts back into the empty holes in the tractor frame See figure 2 T
15. al 3 and other objects which could become hidden by auger to clear the snow Repeat this method until a the snow Permanent obstacles should be marked path is cleared On the second pass overlap the for visibility first enough to allow the snow thrower to handle e Overlap each pass slightly to assure complete the snow without repeated stopping and starting of snow removal forward motion e in extremely deep snow raise the snow thrower USING THE SNOW THROWER F from the ground to remove the top layer and drive Snow removal conditions vary greatly from light fluffy forward only until the tractors front tires reach the snowfall to wet heavy snow Operating instructions uncleared bottom layer of snow Depress the must be flexible to fit the conditions encountered The tractor s clutch brake pedal and allow the spiral operator must adapt the lawn tractor and snow thrower auger to clear the snow Reverse the tractor and to depth of snow wind direction temperature and lower the snow thrower to the ground Drive the surface conditions tractor forward until the snow again becomes too e Before beginning operation thoroughly inspect the deep Repeating this process into and out of drifts area of operation and remove all door mats sleds will eventually clear even the deepest of snow boards wires and other foreign objects piles MAINTENANCE CUSTOMER RESPONSIBILITIES Read and follow the maintenance schedule and the maintenance procedures li
16. bove the surface clutch tever is placed in the disengaged position as possible to prevent possible damage to the spiral auger On blacktop or concrete surface keep SPIRAL AUGERS the scraper plate as close to the surface as pos e The spiral augers are secured to the auger shaft sible with two shear bolts and hex lock nuts If you hit a e Raise the snow thrower off the ground and place a foreign object or if ice jams the augers the snow block under each end of the scraper plate Loosen thrower is designed so that the bolts will shear the six hex nuts securing the skid shoes to the e If the augers will not turn check to see if the shear housing Adjust the skid shoes up or down to the bolts have sheared See figure 29 Two replace desired position and tighten the nuts securely ment shear bolts and hex lock nuts have been Adjust both skid shoes to the same height to keep provided with the snow thrower For future use the housing and the scraper plate level See figure order part number 710 0890A shear bolt and 28 number 43064 hex lock nut GEAR HOUSING SHEAR BOLT AND SCRAPER HEX LOCK NUT PLATE FIGURE 28 FIGURE 29 17 STORAGE STORAGE RECOMMENDATIONS PARTS TO REMOVE AT END OF SEASON _ Lower the snow thrower to the ground e Remove the short V belt from the engine pulley e Remove the snow thrower from the tractor and the clutch idler assembly See figure 11 or 15 e Clean the snow thrower thoroughly Wash off any e
17. carriage bolts 5 16 flat washers 5 16 lock washers and 5 16 hex nuts Do not tighten yet See figure 20 CHUTE CRANK 5 16 x 1 BRACKET CARRIAGE BOLT gt CEE g 5 16 FLAT WASHER 5 16 LOCK WASHER ak i 5 16 HEX NUT FIGURE 20 LEFT SIDE VIEW e Coat the top of the ring around the discharge opening with general purpose grease See figure 21 e 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 hex lock nuts Tighten carefully so that the nuts are snug but do not dig into the plastic chute keepers See figure 21 e Place the plastic cap onto the short end of the anti rotation bracket See figure 21 e Pull the crank rod spiral out away from the dis charge chute to prevent tightness between the spiral and the notches in the chute flange Tighten the nits assembled in figure 20 e 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 e Secure the control cables to the crank rod support tube using a nylon tie 1 j x1 l ANTI ROTATION NPM BRACKET 1 4 FLAT PLASTIC CAP e6 GREASED S SURFACE CHUTE KEEPER R
18. ck 3 8 16 24466 Bracket Down Stop Puliey V Type 5 1 2 47034 Owner s Manual APP aimaaaMUABONNNPDNDPNO mm M M MMM ZM D N0 LOMPN lt lt lt OMD Z 1 1 1 1 1 1 1 1 1 1 2 5 1 4 12 6 2 5 29 11 4 2 2 1 20 6 1 17 2 1 2 4 2 1 2 1 1 1 1 1 2 1 2 1 1 1 16 1 21 REPAIR PARTS FOR MODEL 486 248400 40 SNOW THROWER z R Lif REPAIR PARTS FOR MODEL 486 248400 40 SNOW THROWER PART DESCRIPTION i PART DESCRIPTION NO NO NO 746 3060 712 0127 710 1233 46446 47027 40 741 0475 gt 2 2 2 6 2 4 1 6 4 2 2 2 2 1 2 16 1 1 1 1 1 1 1 2 2 2 1 1 1 1 1 1 1 1 4 1 1 2 Lift Shaft Assembly Hex Bolt 1 2 13 x 1 Hex Bolt 5 8 18 x 1 1 4 Pin Bracket Lift Nut Hex Slotted 5 8 18 Nut Hex Lock 1 2 13 Pin Cotter 1 8 x 1 Pin Cotter 1 8 x 3 4 Pin Cotter 1 8 x 1 1 2 Washer 17 32 x 1 Washer 64 x 1 12 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 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 Nut Hex Lock 5 16 18 Hex Bolt 5 16 18 x 3 4 Washer 11 32 x 11 16 x 3 64 Pin Spring 1 4 x 1 1 2 Pin Attachment Pin Haircotter 4 1 8 Plate Side R H Plate Side L H Tube Lift Handle Cab
19. e items S 1 V 1 AA 1 and CC 1 shown on page 4 If your tractor has an electric attachment clutch you will not use items U 2 and DD 1 shown on page 4 and items 6 and 7 shown on page 5 wire s set the parking brake and CAUTION Before starting to assemble A the snow thrower remove the spark plug 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 muftier and exhaust deflector to cool before beginning e Remove any front or rear attachment which is mounted 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 re assembly Remove the tractor hood and grill assembly Refer to your tractor owner s manual for removal instructions ASSEMBLY OF 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 and save two bolts from each side of the tractor frame as shown in figure 1 BOLTS REMOVED FROM THESE HOLES FIGURE 1 e Assemble the R H Side Plate marked with an R to the now empty holes In the right hand side of the tractor frame using two 3 8 x 1 hex bolts and 3 8 lock washers as shown in figure 2 Repeat for the L H side NOTE If the side plates a
20. hole in the lift rod Place the cable into the slot in the top of the lift bracket with one hex nut above the slot and one hex nut and lock washer below the slot Tighten the nuts adjusting them to take out excess slack in the cable wire just above the nuts See figure 17 CABLE WIRE FIGURE 17 RIGHT SIDE VIEW e Tilt the snow thrower back down to the horizontal position Remove the nylon tie which fastens the auger drive belt to the discharge housing leaving the belt assembled around the pulleys e Remove the nylon tie which fastens the chute crank 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 18 CRANK ROD SUPPORT TUBE 5 16 LOCK WASHER 5 16 HEX NUT il FIGURE 18 LEFT SIDE VIEW 11 e 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 19 CHUTE CRANK ROD 5 16 x 1 3 4 7 1 CARRIAGE BOLT CONTROL ASSEMBLY 5 16 HEX NUT FIGURE 19 LEFT SIDE VIEW e Attach the chute crank rod assembly brackets to the plastic bracket on the left side of the thrower housing Align the chute crank bracket beneath the rod support bracket and assemble both to the plastic bracket using two 5 16 x 1
21. le 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 43001 43003 43082 43083 43084 44326 43351 43353 43682 43790 44215 44695 712 0206 738 0234 726 0178 63755 47317 43601 47336 47361 PUM BWYN N ANZAOA PUNO MNPM M m M M Bracket Chute Crank Knob Crank Palnut 3 8 g Pin Roll 1 8 x 5 8 Assembly Chute Crank Rod Handle Chute Tilt Knob Assembly Chute Tilt Bracket Guide Cable Cabie Chute Control Cable Chute Control with Clip Nut Hex Lock 5 16 18 Washer 5 16 Plate Mounting L H Plate Mounting R H Keg Plastic Brace Side Weight Tray Brace Cross Weight Tray Tray Weight Hex Bolt 3 8 16 x 1 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 5 32 x 1 1 2 Slotted Truss Hd Bolt 3 8 16 x 1 For in home major brand repair service Call 24 hours a day 7 days a week 1 800 4 MY HOME 1 800 469 4663 Para pedir servicio de reparaci n a domicilio 1 800 676 5811
22. manual adO1S V NO 3TIHM SHAANAN YN HO SNHNUL NAGQNS ANV GIOAV Ad0 1S V NO DONLILVHJdO 340438 S3LLTIAVdVO DNIAVYA GNV DNIMOL S HOLOVHL HNOA 40 3uNS 38 S43H5230 OF 10 SS30X3 Ni dO1S V NO HJMOBHL MONS ONY HOLOVHL HNOA ALVH3dO LON OG NOLLNVD Z z a 8 JSOd JON VHO f gt a 22222 B 202000 ONKTUNA V 10 UNYOD V OE zt a TIOdHIMOdY nn e J3ULIV LHAA V HIM HATI SELTOH ONV IH9IS onan nnn p KAJ i 19 k PARTS REPAIR PARTS FOR MODEL 486 248400 40 SNOW THROWER TN A 4 Ale S RE ik YO 82 65 25 REPAIR PARTS FOR MODEL 486 248400 40 SNOW THROWER a A oe NO NO wa NO Housing Bearing 738 0680 Shaft Housing Assembly 750 0456 i Spacer Gear Assembly i 750 0660 Spacer Chute Crank Rod Assembly 43003 Lock Washer 3 8 Impelier Assembly 714 0161 Key Scraper Plate 741 0919 Bearing Ball Bracket Housing Brace 15296A Housing Open Bearing Bracket Chute Crank 08253B Housing Bearing Cover Belt 14088B Spacer Spindle Chute Reinforcement 44377 Hex Bolt 3 8 24 x 1 Spiral Assembly L H 736 0247 Washer Spiral Assembly R H 43063 Hex Bolt 5 16 18 x 1 Hex Bolt 5 16 18 x 3 4 Lg 46989 Belt V Type 1 2 x 55 Carriage Bolt 1 4 20 x 3 4 47278 Belt V Type 1 2 x 112 Palnut 3 8 47044 Pulley V Type 4 Carriage Bolt 5 16 18 x 1 Lg 47026 Pulley V Type Carriage Bolt 5 16 18 x 3 4 Lg 47025 Hex Bolt 5 16 18 x 3 1 2 Bolt Self Tap 5
23. o the tractor frame using the alternate instructions with figure 27 on page 14 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 e 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 ORIGINAL HEX BOLT or SLOTTED TRUSS HEAD 5 16 x 1 CARRIAGE OW BOLT FoR ane LOCK A WASHER 6 69 4 5 16 HEX NUT SIDE BRACE CARRIAGE sne xt 4 BOLT WEIGHT TRAY FIGURE 25 Fill the plastic keg full of dry sand approximately 75 lbs and replace the lid Place the plastic keg on the weight tray Secure the keg with the rubber tarp strap hooked into the holes in the cross brace See figure 26 TARP STRAP FIGURE 26 USE THESE INSTRUCTIONS IF HEX BOLT INTERFERES WITH TIRE CHAINS 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 Assemble the notched end of each side brace to the top h
24. ole in the each side of the tractor frame using the provided 3 8 16 x 1 slotted truss head bolts See figure 27 Reassemble the wheels onto the axie making sure to reassemble the square keys and ali other parts which were removed Assemble the weight tray to the side braces as instructed in figure 25 on page 13 HOLE WITH HEX BOLT REMOVED 3 8 x 1 SLOTTED TRUSS HEAD BOLT SQUARE KEY SIDE BRACE FIGURE 27 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 dishcharge chute for proper rotation e Check operation of tilt contro 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 e Tire chains which can be instailed 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
25. p 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 ad equate 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 flammabie 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 ail 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 piug and then thoroughly in
26. re removed from the tractor frame bolts must be assembled back Into the empty holes in the frame 3 8 LOCK WASHER 3 Vy 4 HEX BOLT R H SIDE PLATE FIGURE 2 e Assemble a shoulder bolt to the bottom hole in each side plate securing each bolt with a 3 8 lock washer and a 3 8 hex lock nut See figure 3 3 8 HEX LOCK NUT 3 8 LOCK WASHER R H SIDE PLATE 3 8 SHOULDER BOLT FIGURE 3 INSTRUCTIONS FOR TRACTORS WITH FOOT REST BRACKETS UNDER THE FOOT RESTS Figure 4 Remove and discard the bolt and nut from the L H foot rest bracket and the side of the tractor frame as shown in figure 4 Repeat for the R H bracket HINT If the tractor s suspension arms are in the way lower them using the attachment lift lever e Using the now empty hole and the hole beside it attach the L H Hanger Bracket marked L to the inside of the tractor frame Use two 3 8 x 1 carriage bolts 3 8 lock washers and 3 8 hex lock nuts making sure the bolt heads are on the inside of the tractor frame Repeat for the R H side See figure 4 3 8 LOCK _ BOLT REMOVED WASHER FROM THIS HOLE TON SSA ee LOCK NUT 3 8 x 1 st CARRIAGE BOLT FIGURE 4 L H HANGER A vi BRACKET A LEFT SIDE VIEW INSTRUCTIONS FOR TRACTORS NOT HAVING FOOT REST BRACKETS UNDER THE FOOT RESTS Figure 5 e Locate the empty hole beneath the foot rest in the left side of the tractor frame as shown in figure 5 Attach the
27. s 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 MODEL NUMBER 486 248400 decal attached to the snow thrower SERIAL NUMBER You should record both the serial number and the date of i purchase and keep in a safe place for future reference DATE OF PURCHASE A SAFETY a 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 owners manual carefully and know how to operate your snow thrower and how to sto
28. spect 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 tever 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 i 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 stope guide on page 19 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 snow
29. sted in this section MAINTENANCE SCHEDULE Fill in dates as you complete regular service ASIA OL SS Service Dates Check for loose fasteners Cleaning Lubrication Section T LUBRICATION Oil all pivot points on the snow thrower SCRAPER PLATE AND SKID SHOES ADS a iske clutch idler assembly e W penetrating oil to the control cables of the sb WARAN je banalna a A Apply a good grade of spray lubricant to the trigger arid shoes before wear is excessive assembly and the chute tilt control assembly e The skid shoes are reversible for longer life 16 SERVICE AND ADJUSTMENTS CAUTION Before servicing or adjusting LIFT RELEASE CABLE ADJUSTMENT the snow thrower shut off the engine e If the lift rod does not lock the snow thrower remove the spark plug wire s set the securely in the transport position loosen the upper parking brake and remove the key from hex nut on the Jift bracket a few turns and tighten the tractor ignition the lower hex nut See figure 17 on page 11 e If the lift rod fails to unlock completely to lower the REPLACING AUGER DRIVE BELT snow thrower loosen the lower hex nut on the lift bracket a few turns and tighten the upper hex nut e Lower the snow thrower to the ground Refer to figure 17 on page 11 e Remove the attachment pin See figure 22 e Lock the snow thrower lift handle in the down position to decrease belt tension DISENGAGEMENT ADJUSTMENT e Release the spring tension from
30. t you will be viewing the belt diagram and the tractor from the same direction e Assemble the short V belt onto the engine pulley so that it passes between the puliey and the engine pulley keeper Next assemble the belt onto the large rear pulley on top of the clutch idler assembly passing it between the pulley and the keeper bolt located beside the pulley Position the idler pulley against the outside of the belt See figure 15 e Place tension on the belt by pulling the left side tensioning chain as far out as the assembled hairpin cotter will allow Secure the chain in this position with a 1 8 hairpin cotter See figure 15 IMPORTANT Make sure that the V belt is not assembled around the outside of the engine pulley keeper or the keeper bolt ENGINE pe PULLEY PULLEY KEEPER KEEPER BOLT 1 8 HAIRPIN COTTER LEFT SIDE OF TRACTOR FIGURE 15 VIEWED FROM UNDERNEATH 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 16 LIFT HANDLE 5 16 HEX NUT a 5 16 x 1 3 4 HEX BOLT 5 16 LOCK WASHER LIFT BRACKET FIGURE 16 RIGHT SIDE VIEW HINT For easier assembly of the lift release cable in the next step tilt the snow thrower forward onto the spiral auger a e Insert the end of the lift release cable into the
31. the auger belt idler Only units with manual attachment clutches arm on the bottom of the clutch idler assembly If the spiral auger on the snow thrower do not stop e Remove the auger drive belt from the clutch idler when the attachment clutch fever on the tractor is in assembly and from the spiral auger housing the disengaged position then adjustment is neces e Install new belt over top of large auger drive pulley sary Proceed as follows Refer back to figure 10 and under the two side idler pulleys Twist the belt e Place the attachment clutch lever in the disen 1 4 turn to seat the V of the belt in the groove of gaged position each idler pulley e Remove the hairpin cotter from the engagement Assemble the belt onto the clutch idler assembly rod trunnion and lift the trunnion out of the hole in per the instructions on page 13 the idler arm e Screw the trunnion a few turns towards the front SKID SHOE ADJUSTMENT end of the rod e Replace the trunnion into the hole in the idler arm a The skid shoes are mounted on each side of the and secure it with the hairpin cotter spiral auger housing They regulate the distance the scraper plate is raised above the plowing Check the operation of the snow thrower If the surface When removing snow from a gravel spiral augers still do not stop repeat the above driveway or and uneven surface it is advisable to steps until the augers stop when the attachment keep the scraper plate as high a
32. to help slice off the edges of tal drifts OPERATION KNOW YOUR SNOW THROWER Read this owner s manual and safety rules before operating your snow thrower 53 LIFT HANDLE SCRAPER PLATE SPIRAL AUGERS R H amp L H CHUTE TILT HANDLE Pivots the Upper Chute up or down to control the angle and distance of discharge CRANK ROD Rotates the Lower and Upper Chutes to control the direction of discharge LIFT HANDLE Used to lift or lower the snow thrower to transport or operating position LIFT RELEASE TRIGGER Releases the lock which holds the snow thrower in the transport position HOW TO USE YOUR SNOW THROWER BEFORE STARTING e Use the end of assembly checklist to verify that all instructions have been properly completed e Make sure the skid shoes are adjusted to maintain adequate ground clearance between the snow thrower and the type of surface to be cleared 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 STOPPING e To stop the snow thrower disengage the tractor s attachment clutch lever for manual clutches or the clutch switch for electric clutches Refer to your tractor owner s manual LIFT RELEASE TRIGGER Compare the illustration below with your snow thrower to familiarize yourself with the various controls and their locations CHUTE TILT HANDLE z z MEN et NAT 742
33. ulder Bolt 3 8 x 5 8 Tarp Strap Lock Washer 5 16 Spring Lock Washer 3 8 Chute Keeper Lock Washer 1 2 Chain Tensioning Washer 1 4 Trunnion Washer 5 16 Plastic Cap Bowed Washer Lock Pin Nylon Tie N VOZEFARA ILOTNTMUOU gt NNO PANNANANA OPN lt xs lt CHoHoD Sue CE Nama QM0 8 4 Pp HYMAN H 0 MD nm gam CARTON CONTENTS 1 Cross Brace Weight Tray 11 Left Hand Hanger Bracket Stamped L 2 Side Brace Weight Tray g 12 Right Hand Hanger Bracket Stamped R 3 Right Hand Side Plate Stamped R 13 Lift Handle Tube and Cable 4 Left Hand Side Plate Stamped L 14 Clutch idler Assembly 5 Anti rotation Bracket 15 V Belt 55 6 Engagement Rod 16 V Belt 112 Attached to Housing Assembly 7 Engine Pulley Keeper 17 Chute and Control Cable Assembly 8 Chute Crank Rod Assembly 18 Weight Tray 9 Support Tube Crank Rod 19 Housing Assembly 10 Plastic Keg Hardware Package Stored inside Plastic Keg TOOLS REQUIRED FOR ASSEMBLY 2 7 16 Wrenches 2 1 2 Wrenches 2 9 16 Wrenches 2 3 4 Wrenches 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 all parts and hardware and identify using the illustrations on pages 4 and 5 NOTE Not all of the supplied parts and hardware will be used If your tractor has a manual attachment clutch you wilt not us
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