Craftsman 486.24837 Snow Blower User Manual
Contents
1. 5 16 FLANG NUT SEE NOTE FIGURE 21 3 3 8 x 1 THREAD FORMING BOLTS e 3 8 LOCK ASHERS RIGHT SIDE VIEW If you installed a bolt in the fourth hole in step 21 14 STEP 23 SEE FIGURE 22 e Remove any bolts found in the holes shown REMOVE BOLTS IF PRESENT SUSPENSION BRACKET FIGURE 22 RIGHT SIDE VIEW STEP 24 SEE FIGURE 23 e Fasten the R H Side Plate bend facing out to the three holes shown in the tractor frame Use three 3 8 x 1 thread forming bolts 1 2 washers and 3 8 lock washers Tighten all bolts and repeat for the L H side NOTE If the bolt inserts freely into the front hole assemble a 3 8 flanged nut onto the bolt 3 1 2 WASHERS 3 3 8 LOCK WASHERS A 3 3 8 x 1 THREAD FORMING BOLTS 3 8 FLANGED NUT SEE NOTE FIGURE 23 RIGHT SIDE VIEW STEP 25 SEE FIGURE 24 e Assemble a shoulder bolt and a 3 8 washer to the outside of each side plate securing them with a 3 8 flanged nut SHOULD BOLT 3 8 WASHER 3 8 FLANGED NUT RIGHT SIDE VIEW FIGURE 24 INSTALLING HANGER BRACKETS For better clearance lower the tractor s suspension arms using the attachment lift lever STEP 26 SEE FIGURE 25 or 26 On Tractors With Foot Rest Brackets Remove the bolt and nut that fasten the LH and RH foot rest brackets to the frame Attach the L H Hanger Bracket2. Hex Bolt 1 2 x 1 1 4 Hex Bolt 3 8 x 3 1 4 Hex Bolt 5 16 x 1 3 4 Hex Bolt 5 16 x 1 1 4 Hex Bolt 5 16 x 1 Hex Bolt 5 16 x 3 4 Hex Bolt 1 4 x 1 Shoulder Bolt Hex Head Shoulder Bolt Round Head Shear Bolt spare parts 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 Carriage Bolt 5 16 x 3 4 Hex Bolt 3 8 x 1 Thread Forming Hex Bolt 3 8 x 3 4 Thread Forming Hex Bolt 5 16 x 3 4 Thread Forming Washer 1 2 x 1 Washer 1 4 Washer 5 16 Extra washers included Washer 3 8 Thin Washer 3 8 Standard Lock Washer 5 16 Washer 1 2 x 1 1 2 NN DD D amp D D D D amp OO ND ND ND NKXE lt C1WHTIDOTOZETKC ILIONnMOUOWUxr MD ho on wow REF QTY DESCRIPTION AA 2 Bowed Washer BB 7 Lock Washer 3 8 cc 2 Spacer 1 2 DD 4 Nylock Nut 1 2 EE 4 Jam Nut 1 2 FF 6 Nylock Nut 3 8 GG 2 Hex Lock Nut 3 8 HH 21 Nylock Nut 5 16 2 spare parts ll 10 Flanged Nut 3 8 JJ 1 Flanged Nut 5 16 KK 6 Flanged Nut 1 4 LL 1 Spring MM 3 Chute Keeper NN 1 Trunnion OO 4 Hairpin Cotter 5 64 PP 4 Hairpin Cotter 1 8 QQ 1 Hairpin Cotter 3 32 RR 2 Lock Pin SS 2 Quick Release Pin TT 1 Plastic Cap UU 1 Spacer 3 8 VV 2 Chain Tensioning WW 2 Tail Reflector XX 2 Nylon Tie CARTON CONTENTS 1 Housing Assembly 12 F
3. 1 2 1 4 2 4 4 4 4 4 2 2 4 4 6 1 1 1 1 4 2 1 6 1 1 2 1 1 1 3 6 1 1 1 3 1 4 DESCRIPTION Bracket Idler Shoulder Bolt Round Head Hanger Bracket Assembly L H Hanger Bracket Assembly R H Hex Bolt 3 8 16 x 1 3 4 Hex Bolt 3 8 24 x 1 Bracket Cable Cable Chute Control With Clip Spacer Cable Chute Control Hex Nut 3 8 16 Nylock Pin Pivot Lock Pin Hair Cotter 4 1 8 Carriage Bolt 3 8 16 x 1 Bracket Chute Anti rotation Hex Lock Nut 3 8 16 Flanged Plastic Cap Hanger Bracket Assembly R H Hanger Bracket Assembly L H Keeper Engine Pulley Bolt Shoulder Bracket Down Stop Washer Hex Lock Nut 1 4 Flanged Chute Upper Guide Cable Pulley V Type 4 Pulley V Type Hex Bolt 5 16 18 x 1 1 2 Screw 1 4 14 x 5 8 Chute Keeper Hex Bolt 1 4 20 x 1 Chute Lower Center Brace Gearbox 61 Woodruff Key Hex Bolt 5 16 18 x 3 4 Elevator Bolt 1 4 20 x 1 Owner s Manual REPAIR PARTS FOR MODEL 486 24837 42 SNOW THROWER For Tractors With Model Numbers Beginning With 917 ee Vie lt VM lef i i A 10 8 04 f AL 13 EL FOR j 12 A 23 27 q Pa i ex Vt 3 A AX d 24 Pe MU PL 20 21 30 85 59 a 34 35 A 32 REF PART NO QTY 1 ononoukb W MY 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 29 30 31 32 33 34 35 36 37 3
4. CONTROLLING SNOW DISCHARGE e To control the direction snow is thrown the discharge chute has 180 degrees of rotation Turn the crank rod to rotate the chute to the right or the left CAUTION Never direct discharge towards bystanders or windows Do not allow anyone in front of unit 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 increasing the distance snow is thrown RAISING AND LOWERING 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 rear wheel weights 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
5. SEE FIGURE 9 e Attach each rear pulley frame bracket to the inside of the clutch idler assembly using two 5 16 x 3 4 hex bolts 5 16 washers and 5 16 nylock nuts e Attach each front pulley frame bracket to the inside of the clutch idler assembly using two 5 16 x 1 hex bolts four 5 16 washers and two 5 16 nylock nuts 5 16 x 1 HEXBOLT 2 5116 WASHERS Te HEX BOLT NYLOCK 5 16 WASHER NUT FIGURE 9 STEP 10 SEE FIGURE 10 e Three different length drive belts are included with your snow thrower Tractors with manual attachment clutches and single front deck suspension brackets use the 56 drive belt with 48138 printed on the outside of the belt DO NOT USE the other drive belts e Slightly loosen the hex bolt next to the flat idler pulley Install the drive belt down between the hex bolt and the flat idler pulley with the flat side of the belt against the pulley Retighten the hex bolt Loop the belt around the large v pulley placing it between the v pulley and the hex bolt next to the pulley Place the belt to the inside of the other flat idler pulley HEX BOLTS FLAT IDLER PULLEYS 48138 DRIVE BELT we FIGURE 10 Did you select the correct drive belt for your tractor Using the wrong length belt may cause premature bearing or belt failure STEP 11 SEE FIGURE 11 e Find the cable clip that is attached to the left side
6. e Reinstall the browning shield onto the tractor frame using the original screws NOTE If there is an engine mounting plate shown with dotted lines leave the washer off the bolt that goes through the plate 5 16 x 1 CARRIAGE BOLT ENGINE MOUNTING 5 16 NYLOCK 3 3 8 x 1 CARRIAGE BOLTS x 4 1 2 x 1 1 2 WASHERS 3 3 8 FLANGE NUTS FIGURE 3 RIGHT SIDE VIEW STEP 4 SEE FIGURE 4 e Assemble a shoulder bolt and a 3 8 washer to the outside of R H side plate securing it with a 3 8 flanged nut Repeat for L H side plate 3 8 FLANGED J NUT 3 8 WASHER N FIGURE 4 RIGHT SIDE VIEW INSTALL HANGER BRACKETS AND SHOULDER BOLTS TO OUTSIDE OF FRAME STEP 5 SEE FIGURE 5 e Remove the bolt if present in the hole directly behind the brake rod on the left side of the tractor frame e Attach the L H Hanger Bracket tube facing out to the hole using a 5 16 x 3 4 self threading bolt Install a round head shoulder bolt into the hole that is 9 1 2 to the rear of the bolt you just installed Secure it with a 3 8 flange nut on the inside of the frame L H HANGER BRACKET 3 8 FLANGED NUT FIGURE 5 LEFT SIDE VIEW STEP 6 SEE FIGURE 6 e Remove the bracket if present from the hole directly behind the end of the brake rod on the right side of the tractor frame Store the bracket and bolt Attach the R H Hanger Bracket to the hole using a 5 16 x 3
7. marked L to the inside of the tractor frame using two 3 8 x 1 carriage bolts and 3 8 flanged nuts Bolt heads go on inside of tractor frame Repeat for the R H side Loy BOLT REMOVED FROM THIS HOLE DA Lu ii SUSPENSION ARM 3 n x 1 7 CARRIAGE Z E ER Le BOLT FIGURE 25 LEFT SIDE VIEW On Tractors Without Foot Rest Brackets 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 and a 3 8 flanged nut Bolt head goes on inside of tractor frame Repeat for the R H side i i i q q i l we SUSPENSION ARM 3 8 x 1 ay p L H HANGER CARRIAGE BOLT BRACKET FIGURE 26 LEFT SIDE VIEW INSTALLING SHOULDER BOLTS STEP 27 SEE FIGURE 27 e 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 flanged nut Bolt goes on inside of frame BOLT REMOVED FROM THIS HOLE 38 FLANGED NUT SWAY BAR PA BRACKET LEFT SIDE VIEW FIGURE 27 STEP 28 SEE FIGURE 28 e Assemble a shoulder bolt and 3 8 flanged nut to the R H side of the tractor frame using the first empty hole to the rear of the R H hanger bracket Bolt goes on inside of frame SHOULDER BOLT R H HANGER BRACKET FIGURE 28 RIGHT SIDE VIEW INSTALLING CLUTCH IDLER
8. 16 NYLOCK NUT ae FIGURE 50 LEFT SIDE VIEW STEP 52 SEE FIGURE 51 e Attach the chute crank rod assembly brackets to the plastic bracket on the left side of the discharge housing Align the chute crank bracket beneath the rod support bracket and assemble both to the plastic bracket using two 5 16 x 1 carriage bolts 5 16 washers and 5 16 Nylock nuts Do not tighten yet 5 16 x 1 Le CARRIAGE BOLT CHUTE CRANK BRACKET Sy a SPIRAL weg SUPPORT O S BRACKET GY w 5 16 WASHER FIGURE 51 LEFT SIDE VIEW 23 STEP 53 SEE FIGURE 52 e Coat the top of the ring around the discharge opening with general purpose grease 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 flanged lock nuts Tighten carefully so that the nuts are snug but do not dig into the plastic chute keepers e Place the plastic cap onto the short end of the anti rotation bracket e Position the crank rod spiral see figure 51 so that it does not rub against the bottoms of the notches in the chute flange Tighten the nuts e Check if the crank rod rotates the chute freely If not loosen by 1 4 turn each of the six hex bolts holding th
9. 705 5270 1 Spiral Assembly R H 13 43840 2 Hex Bolt 5 16 18 x 1 1 4 Lg 14 44950 4 Carriage Bolt 1 4 20 x 3 4 15 44917 1 Palnut 3 8 16 44326 4 Carriage Bolt 5 16 18 x 1 Lg 17 43080 10 Carriage Bolt 5 16 18 x 3 4 Lg 18 46703 8 Bolt Self Tap 5 16 x 3 4 19 710 0890A 2 Bolt Shear 5 16 18 x 1 1 2 20 43088 11 Washer 1 4 21 43070 2 Washer 3 8 22 47189 4 Hex Nut 1 4 20 Nylock 23 47810 29 Hex Nut 5 16 18 Nylock 24 715 0114 2 Spiral Pin 1 4 x 1 1 2 Lg 25 750 0437 2 Bushing 26 731 1379A 1 Chute Adapter 27 43086 4 Lock Washer 5 16 28 736 0188 6 Washer 76 x 1 49 x 06 29 711 0469 4 Spacer 75 ID x 1 25 OD x 5L 30 43081 24 Washer 5 16 Std Wrt 31 47615 2 Bearing Flange 32 741 0309 1 Bearing Ball 33 741 0475 2 Bushing Plastic 3 8 34 741 0493A 4 Bearing Split 3 4 35 24279 2 Skid Shoe 36 48015 4 Washer Nylon 37 784 5618 2 Housing Bearing 38 24393 1 Bracket Chute Crank 31 REF PART NO QTY 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 24281 49933 65367 65450 41576 44377 784 5594 746 0929 711 0242 746 0928 HA21362 43038 43343 43350 24394 47572 1643 60 64452 64451 47043 48106 24466 736 0247 47598 731 0921 731 1313C 47044 47026 43085 710 0896 731 0851A 43661 731 1300C 25937 HA20185 43182 40504 41361
10. ASSEMBLY This section covers the installation of the Clutch Idler assembly to tractors with attachment clutches that are either rod operated p 16 cable operated p 18 or electric p 20 Use the appropriate instructions for your tractor ROD OPERATED MANUAL ATTACHMENT CLUTCH STEP 29 SEE FIGURE 29 Move the attachment clutch lever on the dash panel to the disengaged down position Screw the trunnion onto the end of the snow thrower engagement rod Locate the clutch arm where the mower clutch rod was connected underneath the right hand side the tractor just to the inside of the suspension arm If there is an extension attached to the clutch lever the extension bolt and nut must be removed and stored with the mower deck IMPORTANT Re attach the extension to the clutch lever before reinstalling the mower deck 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 TRACTOR S CLUTCH ARM PT ENGAGEMENT ROD TRUNNION A a 22 dns ARM oe 5 64 HAIRPIN GC COTTER REMOVE EXTENSION BOLT AND NUT IF PRESENT FIGURE 29 RIGHT SIDE VIEW STEP 30 SEE FIGURE 30 Attach the two rear pulley frame brackets to the inside of the clutch idler assembly using two 5 16 x 1 hex bolts eight 5 16 washers and two 5 16 nylock nuts for each bracket 16 e Attach the two front pull
11. Replace the trunnion into the hole in the idler arm and secure it with the hairpin cotter Check the operation of the snow thrower If the spiral augers still do not stop repeat the above steps until the augers stop when the attachment clutch lever is placed in the disengaged position SPIRAL AUGERS The spiral augers are secured to the auger shaft with two shear bolts and nylock 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 60 Two replacement shear bolts and nylock nuts have been provided with the snow thrower For future use order part number 710 0890A shear bolt and number 47810 nylock nut GEAR HOUSING SHEAR BOLT AND HEX LOCK NUT SCRAPER PLATE FIGURE 60 STORAGE SARACE RECOMMENDATIONS PARTS TO REMOVE AT END OF SEASON 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 that has become exposed should be painted or coated with a light oil to prevent rust e Store in a dry place 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 yo
12. arm slot Attach the trunnion to the slot using the 3 8 thin washer and a 5 64 hairpin cotter Remove the engine pulley keeper from the side of the tractor frame by removing the washer and nut that secure the keeper Attach the new pulley keeper supplied with the snow thrower reusing the original bolt washer and nut ENGINE PULLEY NOTE Some tractors may already be equipped with a pulley keeper that is identical to the new one supplied FIGURE 34 VIEWED FROM UNDERNEATH 17 CABLE OPERATED MANUAL ATTACHMENT CLUTCH STEP 37 SEE FIGURE 37 e Three different length drive belts are included with STEP 35 SEE FIGURE 35 your snow thrower Tractors with manual attachment e Assemble the cable bracket to the inner half of the clutches and dual front deck suspension brackets use double holes in the bottom of the clutch idler assembly the 55 drive belt with 46989 printed on the outside using two 5 16 x 3 4 carriage bolts and 5 16 nylock of the belt DO NOT USE the other belts nuts Use the front holes in the cable bracket if your e Slightly loosen the hex bolt next to the flat idler pulley tractor has a 42 mower deck Use the rear holes if Install the drive belt down between the hex bolt and the your tractor has a 46 mower deck flat idler pulley with the flat side of the belt against the pulley Retighten the hex bolt 5 16 x 3 4 e Loop the belt around the large v pulley placing it CARRIAGE BOLT between the v
13. of the tractor frame underneath the footrest Open the clip and remove the mower clutch cable Do not remove the clip from the tractor frame The cable PIVOT LOCK PIN 1 8 HAIRPIN NYLONTIE use this hole COTTER BRACKE BOLT a es L H HANGER SHOULDER A reattaches to the clip when using the mower deck re Move the attachment clutch lever on the dash panel to DR SE the disengaged position a Place the clutch idler assembly on the floor on the left side of the tractor e Attach the tractor s mower clutch cable to the cable bracket on the clutch idler assembly Secure the cable housing guide groove down to the cable bracket using the original collar and a 5 64 hair cotter pin Place a 1 4 spacer on the welded pin on the idler arm Hook the end of the clutch cable spring over the pin and secure it with a 1 4 washer and a 5 64 hair cotter pin Align cable bracket with welded pin and tighten the nut assembled in step 9 FIGURE 12 VIEWED FROM LEFT SIDE 1G 5 64 HAIR COTTER PIN STEP 13 SEE FIGURE 13 e Assemble the drive belt onto the engine pulley first and then onto the large pulley on top of the clutch idler assembly The belt must be placed inside the engine pulley belt keeper s and between the large pulley and the keeper bolt next to it 1 4 SPACER IMPORTANT Do Not assemble the V belt outside of 5 64 HAIR the engine pulley k
14. product is used for commercial or rental purposes this warranty applies for only 90 days from the date of purchase This warranty gives you specific legal rights and you may also have other rights which vary from state to state Sears Roebuck and Co D817WA Hoffman Estates IL 60179 ACCESSORIES AND ATTACHMENTS These and other accessories are recommended for use with your unit Call 1 800 4 MY HOME to find out if they are available If available they may be purchased at most Craftsman outlets or by calling 1 800 4 MY HOME WHEEL WEIGHT TIRE CHAINS SNOW CAB MODEL NUMBER 486 24837 SERIAL NUMBER DATE OF PURCHASE 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 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 neutra
15. pulley and the hex bolt next to the pulley CABLE HEX BOLTS FLAT ID EY 46 42 DECKS DECKS 46989 DRIVE BELT FIGURE 37 FIGURE 35 STEP 36 SEE FIGURE 36 Did you choose the correct drive belt for e Attach the two rear pulley frame brackets to the inside of the clutch idler assembly using two 5 16 x 1 hex bolts eight 5 16 washers and two 5 16 nylock nuts for each bracket Attach the two front pulley frame brackets to the inside of the clutch idler assembly using two 5 16 x 3 4 hex bolts 5 16 washers and 5 16 nylock nuts for each bracket Add extra washers if needed in step 39 Insert a tensioning chain through the hole shown and attach the end link to the spring on the lower idler arm your tractor Using the wrong length belt may Cause premature bearing or belt failure 5 16 x 3 4 HEX BOLT HEX BOLT 4 5 16 WASHERS vi TENSIONING CHAIN 5 16 NYLOCK NUT lower idler arm FIGURE 36 18 STEP 38 SEE FIGURE 38 e Move the attachment clutch lever on the dash panel to the disengaged down position Place the clutch idler assembly on the floor on the right side of the tractor Attach the tractor s clutch cable to the cable bracket Secure the cable housing guide groove down to the cable bracket using the original collar and a 5 64 hair cotter pin Place a spacer on the welded pin on the idler arm Hook the end of the clutch spring over the p
16. wooden stick not your hands OPERATING TIPS 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 first 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 KEL DT Fillin dates as you xe SG SKE XE complete regular service EE ASL ee Service Dates Check for loose fasteners X Check scraper and shoes for wear X X Cleaning X Lubrication Section X 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 clutch Refer to figures 59 and 60 on page 28 idler assembly e The scraper plate and skid shoes on the bottom of the Apply penetrating oil to the control cables of the snow thrower are subject t
17. 1 42 43 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 703 2735A 720 0201A 44917 63579 784 5604A 720 04039 603 0302 731 1313C 746 0928 746 0929 43064 43081 24285 24284 43601 46584 R19172410 726 0178 47631 43003 47572 47810 43084 44326 48106 44695 43682 44215 1 D D D D D ND OD OD OD CO O0 wm Tt DESCRIPTION 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 R H Washer 1 59 x 1 032 x 060 Nut Whizlock 5 16 18 Washer 1 2 Tie Nylon Hex Bolt 3 8 16 x 1 Self Tap Lock Washer 3 8 Nut Flanged Lock 3 8 16 Nut Nylock Hex 5 16 18 Hex Bolt 5 16 18 x 1 3 4 Carriage Bolt 5 16 18 x 1 Bolt Shoulder Washer Bowed Carriage Bolt 5 16 18 x 1 1 4 Carriage Bolt 5 16 18 x 1 3 4 REPAIR PARTS FOR MODEL 486 24837 42 SNOW THROWER For Tractors With Model Numbers Beginning With 917 REF PART NO QTY 1 oon Oo oO amp PP enh le A O 43080 43064 43083 43086 43081 26943 63904 24286 63762 43015 46981 DESCRIPTION Carriage Bolt 5 16 18 x 3 4 Hex Lock Nut 5 16 18 Hex Nut 5 16 18 Lock Washer 5 16 Washer 5 16 Std Wrt Frame Clut
18. 4 self threading bolt Install a round head shoulder bolt into the hole that is 9 1 2 to the rear of the bolt you just installed Secure it with a 3 8 flange nut on the inside of the frame 5 16 x 3 4 SELF THREADING BOLT RIGHT END OF BRAKE ROD R H HANGER BRACKET SHOULD a TT eee 3 8 FLANGED NUT FIGURE 6 RIGHT SIDE VIEW THIS SECTION IS FOR TRACTORS WITH A MANUAL ATTACHMENT CLUTC lf your tractor has an electric attachment clutch go to step 14 on page 12 STEP 7 SEE FIGURE 7 Attach the cable bracket to the double hole in the clutch idler assembly as shown using a 5 16 x 3 4 carriage bolt and a 5 16 nylock nut Place the bolt in the front hole of the bracket and in the end of the hole closest to the pulley Do not tighten yet 5 16 x 3 4 CARRIAGE BOLT CABLE BRACKET 5 16 NYLOCK NUT FIGURE 7 STEP 8 SEE FIGURE 8 e Attach the pulley long end of hub facing down and the 3 8 spacer to the clutch idler assembly Use a 3 8 x 3 1 4 hex bolt a 3 8 washer a 3 8 lock washer and a 3 8 hex lock nut Insert a tensioning chain through the hole shown and attach the end link to the spring on the lower idler arm 3 8 HEX LOCK NUT 3g 3 8 LOCKWASHER TE WASHER EE al PULLEY P4 LONG END OF HUB 3 8 SPACER za re 3 8 x 3 1 4 ij HEX BOLT TENSIONING CHAIN FIGURE 8 STEP 9
19. 8 39 40 64637 710 0865 710 0367 711 0332 712 0261 43262 142 43093 R19171616 43350 741 0192 783 0380 783 0381 24476 24311 47599 43086 24820 63773 48049 47369 732 0306 R19131316 47788 43080 43182 47368 46954 43343 25678 25679 49916 49912 43070 710 1233 46446 47027 741 0475 REPAIR PARTS FOR MODEL 486 24837 42 SNOW THROWER For Tractors With Model Numbers Beginning With 917 1 2 2 2 2 6 5 1 4 6 2 2 2 2 1 2 4 1 1 1 1 1 2 2 1 2 1 1 1 1 1 1 1 2 1 1 1 2 DESCRIPTION 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 Carriage Bolt 3 8 16 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 Pin Spring 3 16 x 1 3 4 Spring Compression Washer 13 32 x 13 16 Reflector Rear Carriage Bolt 5 16 18 x 3 4 Hex Bolt 5 16 18 x 3 4 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 Trigger and Lift Cable Assembly Washer 3 8 Screw Oval 10 24 x 1 Grip Handle Tube Crank Rod Support Bushing 3 8 Plastic REF PART NO QTY 33 4
20. FIGURE 17 STEP 20 SEE FIGURE 19 Turn the clutch idler assembly right side up e Assemble the drive belt onto the engine pulley first e Slightly loosen the hex bolt next to the flat idler pulley and then onto the large pulley on top of the clutch install the drive belt down between the hex bolt and the idler assembly Place the belt to the inside of the idler flat idler pulley with the flat side of the belt against the pulley and the belt keeper bolt located beside the pulley Retighten the hex bolt large pulley Loop the belt around the large v pulley placing it Place tension on the belt by pulling the left side between the v pulley and the hex bolt next to the pulley tensioning chain out as far as the 3 32 hairpin cotter in the chain will allow Secure the chain in this position HEX BOLTS by inserting a 1 8 hairpin cotter through the chain FLAT IDLER PULLEY IMPORTANT Do Not assemble the drive belt around the X Ea Pe outside of the keeper bolt beside the large pulley 2 Go to step 48 on page 22 D Z 0 CLUTCH IDLER ASSEMBLY DRIVE BELT nee ENGINE FIGURE 17 PULLEY 1 8 HAIRPIN COTTER Did you choose the correct drive belt for your tractor Using the wrong length belt may Cause premature bearing or belt failure f STEP 19 SEE FIGURE 18 e Attach the clutch idler assembly to the tractor frame SS ae Hook the notched rear pulley frame brackets onto the a EE two shoul
21. Operator s Manual CRAFTSMRN 42 2 STAGE SNOW THROWER DO NOT RETURN TO STOR TRACTOR ATTACHMENT For Missing Parts or Assembly Questions Call 1 866 576 8388 Model No 486 24837 FOR TRACTORS WITH MODEL NUMBERS BEGINNING WITH 917 CAUTION e Safety Before using this product read this manual and follow all Safety Assembly Rules and Operating Instructions Operation e Maintenance e Parts Sears Roebuck and Co Hoffman Estates IL 60179 U S A www sears com craftsman PRINTED IN U S A FORM NO 41361 rev 07 30 10 TABLE OF CONTENTS ACCESSORIES cect tnt E a e 2 SERVICE AND ADJUSTMENTS erneer 28 SAP EIY RULES iii a8 Soi eta tht een M he as 3 SIORAG Ens cae iia eee ai See 29 FULL SIZE HARDWARE CHARTS 4 TROUBLESHOOFING tin scetckitiaevieeiei latest 29 CARTON CONTENTER 6 REPAIR PARTS ILLUSTRATION 0 eee 30 32 34 ASSEMBLY sun rene nn T eect Sieh 7 REPAIR PARIS EIS Vins saint nee ar taure 31 33 34 OP RATION ne RAR aan ie 26 SLOPE GUIDE a4 nant te en 35 MAINTENANCE eee etter ere r ete eee 27 PARTS ORDERING SERVICE BACK COVER WARRANTY ONE YEAR FULL WARRANTY When operated and maintained according to the instructions supplied with it if this Snow Thrower fails due to a defect in material or workmanship within one year from the date of purchase call 1 800 4 MY HOME to arrange for free repair or replacement if repair proves impossible If this
22. QUIRED FOR ASSEMBLY 2 7 16 Wrenches 2 1 2 Wrenches 2 9 16 Wrenches 2 3 4 Wrenches 1 Screw Driver 1 Knife ADDITIONAL ITEMS REQUIRED General Purpose Grease REMOVAL OF PARTS FROM CARTON e Remove all loose parts parts bags and hardware bags from the carton Lay out and identify parts and hardware using the illustrations on pages 4 5 and 6 The parts bag labeled for 247 model tractors will not be needed IMPORTANT Not all items supplied in the hardware bag will be needed for your particular tractor Unneeded items may be discarded after you have completed assembly and checked operation of unit DO NOT DISCARD the two spare shear bolts and 5 16 nylock nuts Refer to the Service and Adjustments section on page 28 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 Refer to your tractor owner s manual for removal instructions IMPORTANT
23. Right hand R H and left hand L H side of the tractor are determined from the operators position while seated on the tractor IDENTIFY YOUR TRACTOR STEP 1 SEE FIGURE 1 e Look under the front of your tractor If there is a single mower deck suspension bracket located underneath the middle of the front axle continue on to step 2 If your tractor does not have a mower deck suspension bracket underneath the middle of the front axle skip to step 21 on page 74 for tractors with dual suspension brackets MOWER DECK SUSPENSION BRACKET FIGURE 1 INSTRUCTIONS FOR TRACTORS WITH SINGLE FRONT DECK SUSPENSION BRACKET STEP 2 SEE FIGURE 2 Remove the browning shield from the front of the tractor as shown Hold onto the shield as you remove the second screw to prevent it from falling Be sure to reinstall the browning shield when so instructed in step 3 FRONT SCREWS REMOVE BROWNING SHIELD FIGURE 2 RIGHT SIDE VIEW INSTALL SIDE PLATES STEP 3 SEE FIGURE 3 e Fasten the R H Side Plate bend facing out to the front three holes in the tractor frame using three 3 8 x 1 carriage bolts three 1 2 x 1 1 2 washers see note and three 3 8 flange nuts For the rear hole use a 5 16 x 1 carriage bolt a 1 2 x 1 1 2 washer and a 5 16 nylock nut Place the washers between the tractor frame and the side plate Repeat for L H side plate
24. acking up 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 Look for this symbol to point out important safety precautions It means Attention Become A alert Your safety is involved HARDWARE PACKAGE CONTENTS SHOWN ACTUAL SIZE ps Fe ET 43063 49948 47630 43081 47605 43070 N v ee _ AA _BB vee O P D O FE Se 2 24817 og 43003 ase 44695 R19172410 GG TD cz o Ti ic Ty oor ne ee Je HA21362 43082 LT 0 47572 46584 47598 NOT SHOWN ACTUAL SIZE CAS MM ve _aa a RR 43038 711 0198 er __ 00 Oo s 47134 Py gr 714 04061 1643 60 o _ XX TN 726 0178 47788 IMPORTANT Not all items supplied in the hardware bag will be needed for your particular tractor Unneeded items may be discarded after you have completed assembly and checked operation of unit DO NOT DISCARD the two spare shear bolts K and 5 16 nylock nuts HH Refer to the Service and Adjustments section on page 28 REF QTY DESCRIPTION 2 Hex Bolt 1 2 x 1 1 2
25. ch and Pulley Idler Arm Assembly Spacer Pivot idler Bracket Assembly Hex Nut 3 8 16 Pulley V Type 9 34 REF PART NO QTY 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 43082 46982 738 0680 750 0456 750 0660 43003 714 0161 741 0919 08253B 15296A 14088B 44377 736 0247 43063 46989 48138 47846 47044 47025 43432 43054 24571 24472 43070 46959 46963 43055 23727 43088 43343 47134 711 0198 46948 47620 47607 23625 43509 47605 24558 49870 43178 43177 48883 25728 46938 25780 47810 43182 HA180132 43063 27016 DESCRIPTION Nut Hex Lock 3 8 16 Pulley V Type 5 1 2 Shaft Spacer Spacer Lock Washer 3 8 Key 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 55 Belt V Type Drive 56 Belt V Type Auger Pulley V Type 4 Hex Bolt 5 16 18 x 3 1 2 Hex Bolt 3 8 16 x 2 1 2 Hex Bolt 3 8 16 x 2 Spacer Spacer Pivot Washer 3 8 Spring Chain Pin Hair Cotter 3 32 Spacer Washer 1 4 Pin Hair Cotter 4 1 8 Pin Hair Cotter 5 64 Trunnion Rod Engagement Spring Spring Torsion Spacer Hex Bolt 3 8 16 x 2 3 4 Lg Washer Flat 3 8 Cable Bracket Hex Bolt 1 4 20 x 2 1 2 Hex Nut 1 4 20 Lock Washer 1 4 Pulley F
26. der bolts assembled to the outside of the On KEEPER tractor frame Lift the front of the assembly and attach BOLT it to the R H and L H hanger brackets using two pivot lock pins and 1 8 hairpin cotters PIVOT LOCK PIN MM L H HANGER Ue a use second hole BRACKET __ SHOULDER Dn FIGURE 19 VIEWED FROM UNDERNEATH FIGURE 18 VIEWED FROM LEFT SIDE 13 INSTRUCTIONS FOR TRACTORS WITH DUAL FRONT DECK SUSPENSION BRACKETS FASTEN SIDE PLATES TO TRACTOR If your tractor resembles figure 20 go to step 21 If your tractor resembles figure 22 go to step 23 STEP 21 SEE FIGURE 20 Remove bolts from front three holes shown Ifa bolt is present in the fourth hole replace it with a 5 16 x 1 carriage bolt without a nut The bracket fastened to inside of frame must remain in place REPLACE BOLT IF PRESENT REMOVE BOLTS IF PRESENT SUSPENSION BRACKET FIGURE 20 RIGHT SIDE VIEW cs 22 SEE FIGURE 21 Fasten the R H Side Plate bend facing out to the front three holes shown in the tractor frame using three 3 8 x 1 thread forming bolts three 3 8 lock washers and one 1 2 washer placed on the third bolt as a shim between the side plate and the frame Tighten all bolts Repeat for the L H side NOTE assemble a 5 16 flange nut onto the bolt after the side plate is installed e Go to step 25 on this page 5 16 x 1 1 2 WASHER CARRIAGE BOLT SEE NOTE
27. e chute keepers to the chute flange e Secure the control cables to the crank rod support tube using a nylon tie 1 LL x 1 HEX BOLT ANTI ROTATION 1 4 FLAT WASHER PLASTIC CAP GREASED SURFACE CHUTE KEEPER EX 1 4 FLANGED LOCK NUT FIGURE 52 RIGHT SIDE VIEW STEP 54 SEE FIGURE 53 Skip this step if you have a lawn tractor This step is for garden tractors only If you have a GT Garden Tractor remove the stop bolts from each side of the snow thrower frame STOP BOLT FIGURE 53 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 STEP 55 SEE FIGURE 54 Place the tractor and snow thrower on a flat level surface so that the tractor can be rolled forward to attach the snow thrower Remove the Attachment Pin from the snow thrower Extend the auger 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 idler 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 centering it between the snow thrower s mounting plates 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 no
28. e 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 Refer also to the Service and Adjustments section on page 28 in this manual HINT For easier assembly of the lift release cable tilt the snow thrower forward onto the spiral auger LIFT RELEASE CABLE HEX NUT TRIGGER ASSEMBLY LOCK WASHER HEX NUT CABLE WIRE LIFT ROD RIGHT SIDE VIEW FIGURE 48 22 STEP 50 SEE FIGURE 49 e Tilt the snow thrower back down to the ground e 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 discharge housing using two 5 16 x 1 1 4 carriage bolts and 5 16 Nylock nuts DISCHARGE HOUSING Le 5 16 x 1 1 4 CRANK ROD 5 16 NYLOCK NUT _ SUPPORT TUBE FIGURE 49 LEFT SIDE VIEW STEP 51 SEE FIGURE 50 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 and 5 16 Nylock nuts CHUTE CRANK ROD __ oS CRANK SUPPORTTUBE ___ 2 C NN 3 TILT A a CONTROL ASSEMBLY 5
29. eepers or outside of the keeper bolt COTTER PIN next to the large pulley e Go to step 48 on page 22 TRACTOR S CLUTCH CABLE ENGINE ee ENGINE PULLEY PULLEY KEEPER BRACKET FIGURE 11 ATTACH CLUTCH IDLER ASSEMBLY TO TRACTOR STEP 12 SEE FIGURE 12 z Left Side Attach the clutch idler assembly to the tractor frame g of Tractor Hook the notched rear pulley frame brackets onto the two shoulder bolts assembled to the outside 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 Loosely attach the mower clutch cable to the left side of the tractor frame with a nylon tie Do not pull the nylon tie completely tight The cable may need to be removed from the nylon tie when using the mower deck FIGURE 13 VIEWED FROM UNDERNEATH 11 THIS SECTION IS FOR TRACTORS WITH AN ELECTRIC ATTACHMENT CLUTCH STEP 14 SEE FIGURE 14 Turn the clutch idler assembly upside down Hook the spring onto the end of the bolt that extends through the nut on the bottom of the upper idler arm Install a 3 8 hex lock nut onto the bolt leaving enough space for the spring to pivot SPRING 3 8 HEX LOCK NUT FIGURE 14 STEP15 SEE FIGURE 15 Insert tensioning chains through the holes shown and attach to the springs on the upper and lower idler arms Install a 3 32 hairpin cott
30. ength drive belts are included with your snow thrower Select one of the two belts listed below that is correct for your tractor The part number is printed on the outside of the belt e Set aside the belts that are not for your tractor to avoid accidentally using them 55 BELT PART 46989 TRACTORTYPE DECKSIZE CLUTCHTYPE LT Lawn Tractor 38 42 46 Electric 56 BELT PART 48138 TRACTORTYPE DECKSIZE CLUTCHTYPE LT Lawn Tractor 48 Electric TABLE 2 STEP 45 SEE FIGURE 44 Turn the clutch idler assembly right side up Slightly loosen the hex bolt next to the flat idler pulley install the drive belt down between the hex bolt and the flat idler pulley with the flat side of the belt against the pulley Retighten the hex bolt Loop the belt around the large v pulley placing it between the v pulley and the hex bolt next to the pulley HEX BOLTS FLAT IDLER PULLEY DRIVE BELT FIGURE 44 Did you choose the correct drive belt for your tractor Using the wrong length belt may Cause premature bearing or belt failure STEP 46 SEE FIGURE 45 Attach the clutch idler assembly to the tractor frame as follows Hook the assembly s notched rear pulley frame brackets 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 p
31. er band tied to the engine pulley keeper e Attach the clutch idler assembly to the tractor frame as follows Hook the assembly s notched rear pulley frame brackets 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 LH hanger brackets using two pivot lock pins and 1 8 hairpin cotters IDLER ARM PIVOTLOCKPIN MM Yoo gt FD 3 8 THIN use second hole WASHER 5 64 HAIRPIN COTTER 1 8 HAIRPIN COTTER a CAT FIGURE 33 RIGHT SIDE VIEW STEP 34 SEE FIGURE 34 e Assemble the short V belt onto the engine pulley and then onto the large pulley on top of the clutch idler assembly The belt must be placed to the inside of the engine pulley keeper the idler pulley and the keeper bolt located beside the large pulley IMPORTANT Do Not assemble the V belt around the outside of the engine pulley keeper or the keeper bolt Goto step 48 on page 22 FIGURE 32 RIGHT SIDE VIEW CLUTCH IDLER ASSEMBLY ENGINE Left Side PULLEY of Tractor STEP 33 SEE FIGURE 33 Make sure the attachment clutch lever on the dash panel is in the disengaged down position e Pivot the upper idler arm so that it rests against the stop bolt and is pointing toward the front as shown Screw the trunnion along the threads of the engagement rod until it is aligned at the front end of the idler
32. er in the chain attached to the upper idler arm placing it in the fifth link from the spring TENSIONING CHAIN upper idler arm 3 32 HAIRPIN COTTER IN 5th LINK TENSIONING CHAIN lower idler arm FIGURE 15 12 STEP 16 SEE FIGURE 16 e Attach each rear pulley frame bracket to the inside of the clutch idler assembly using two 5 16 x 3 4 hex bolts 5 16 washers and 5 16 nylock nuts e Attach each front pulley frame bracket to the inside of the clutch idler assembly using two 5 16 x 1 hex bolts four 5 16 washers and two 5 16 nylock nuts 5 16 x 1 HEX BOLT 2 5 16 WASHERS NYLOCK NUT HEX BOLT 5 16 WASHER 5 16 NYLOCK NUT FIGURE 16 SELECT THE CORRECT DRIVE BELT Electric clutch tractors with a single front deck suspension bracket STEP 17 SEE TABLE 1 e Three different length drive belts are included with your snow thrower Select one of the two belts listed below that is correct for your tractor The part number is printed on the outside of the belt e Set aside the belts that are not for your tractor to avoid accidentally using them 55 BELT PART 46989 TRACTOR TYPE DECK SIZE CLUTCH TYPE LT Lawn Tractor 38 42 Electric 56 BELT PART 48138 TRACTORTYPE DECKSIZE CLUTCHTYPE LT Lawn Tractor 48 Electric GT Garden Tractor 48 54 Electric TABLE 1 STEP 18 SEE
33. ey frame brackets to the inside of the clutch idler assembly using two 5 16 x 3 4 hex bolts 5 16 washers and 5 16 nylock nuts for each bracket Add extra washers if needed Insert a tensioning chain through the hole shown and attach the end link to the spring on the lower idler arm 5 16 x 3 4 HEX BOLT 4 5 16 WASHERS 1 TENSIONING CHAIN 5 16 NYLOCK NUT lower idler arm FIGURE 30 STEP 31 SEE FIGURE 31 Three different length drive belts are included with your snow thrower Tractors with manual attachment clutches and dual front deck suspension brackets use the 55 drive belt with 46989 printed on the outside of the belt DO NOT USE the other belts e Slightly loosen the hex bolt next to the flat idler pulley Install the drive belt down between the hex bolt and the flat idler pulley with the flat side of the belt against the pulley Retighten the hex bolt Loop the belt around the large v pulley placing it between the v pulley and the hex bolt next to the pulley HER BOLTS FLAT IDLER 46989 DRIVE BELT FIGURE 31 Did you choose the correct drive belt for your tractor Using the wrong length belt may cause premature bearing or belt failure NEW ENGINE PULLEY KEEPER WITH ORIGINAL BOLT NUT AND WASHER STEP 32 SEE FIGURE 32 Be sure to lift up the front end of the engagement rod as shown when performing the next operation You can temporarily support the rod using a rubb
34. in and secure it with a 1 4 washer and a 5 64 hair cotter pin 5 64 HAIR COTTER PIN n Sa A t 4 4 WASHER TRACTOR S CLUTCH CABLE 5 64 HAIR COTTER PIN FIGURE 38 STEP 39 SEE FIGURE 39 e Remove the engine pulley keeper from the side of the tractor frame by removing the washer and nut that secure the keeper Attach the new pulley keeper supplied with the snow thrower reusing the original bolt washer and nut NOTE Some tractors may already be equipped with a pulley keeper that is identical to the new one supplied Attach the clutch idler assembly to the tractor frame as follows Hook the assembly s notched pulley frame brackets 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 NEW ENGINE PULLEY KEEPER WITH ORIGINAL BOLT NUT AND WASHER SSS SSS FIGURE 39 STEP 40 SEE FIGURE 40 e Assemble the short V belt onto the engine pulley and then onto the large pulley on top of the clutch idler assembly The belt must be placed to the inside of the engine pulley keeper the idler pulley and the keeper bolt located beside the large pulley IMPORTANT Do Not assemble the V belt around the outside of the engine pulley keeper or the keeper bolt Go to step 48 o
35. ivot lock pins and 1 8 hairpin cotters PIVOT LOCK PIN a FIGURE 45 RIGHT SIDE VIEW 21 STEP 47 SEE FIGURE 46 e Assemble the drive belt onto the engine pulley and then onto the large pulley on top of the clutch idler assembly The belt must be placed to the inside of the idler pulley and the keeper bolt located beside the large pulley 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 in this position by inserting a 1 8 hairpin cotter through the chain IMPORTANT Do Not assemble the V belt around the outside of the engine pulley keeper or the keeper bolt CLUTCH IDLER ASSEMBLY 1 8 HAIRPIN on et HHESESSE B CHAIN L H SIDE Ow KEEPER BOLT FIGURE 46 VIEWED FROM UNDERNEATH ASSEMBLY OF THE SNOW THROWER STEP 48 SEE FIGURE 47 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 and 5 16 Nylock nuts LIFT HANDLE 5 16 x 1 3 4 HEX BOLT 5 16 NYLOCK NUT LIET BRACKET FIGURE 47 RIGHT SIDE VIEW NOTE Be sure the lift release cable s plastic covering stays inserted into the trigger assembly for the next step STEP 49 SEE FIGURE 48 Push the lift handle down into the locked position Insert the end of the cable wire into the hole in the lift rod Place th
36. l 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 wheel weights 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 adjustment or repair Do not place hands or feet near rotating parts Keep clear of the discharge opening at 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 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 S
37. lat 3 5 8 Rear Pulley Frame Bracket Hex Bolt 3 8 16 x 3 1 4 Spacer Hex Nut 5 16 18 Nylock Hex Bolt 5 16 18 x 3 4 Hex Bolt 3 8 16 x 2 1 4 Hex Bolt 5 16 18 x 1 Front Pulley Frame Bracket SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION OF TRACTOR WITH ATTACHMENT Re LONG T G DO HIS 1S A 46 DEGRE LINE a ONLY RIDE UP AND DOWN HILL NOT ACROSS HILL 1 10 DEGREES MAX AY y Y yyy 122422222424 Yyy WARNING To avoid serious injury operate your tractor up and down the face of slopes never across the face Do not operate on slopes greater than 10 degrees Make turns gradually to prevent tipping or loss of control Exercise extreme caution when changing direction on slopes Braking may be affected by tractor attachment Reduce speed on slopes 1 Fold this page along dotted line indicated above 2 Hold page before you so that its left edge is vertically parallel to a tree trunk or other upright structure 3 Sight across the fold in the direction of hill slope you want to measure 4 Compare the angle of the fold with the slope of the hill 35 Your Home For expert troubleshooting and home solutions advice manage Mhome www managemyhome com For repair in your home of all major brand appliances lawn and garden equipment or heati
38. n page 22 ENGINE PULLEY KEEPER Left Side of Tractor ENGINE PULLEY VIEWED FROM UNDERNEATH FIGURE 40 19 ELECTRIC ATTACHMENT CLUTCHES STEP 41 SEE FIGURE 41 Turn the clutch idler assembly upside down e Hook the spring onto the end of the bolt that extends through the nut on the bottom of the upper idler arm Install a 3 8 hex lock nut onto the bolt leaving enough space for the spring to pivot SPRING 3 8 HEX LOCK NUT FIGURE 41 BOTTOM VIEW STEP 42 SEE FIGURE 42 Insert tensioning chains through the holes shown and attach to the springs on the upper and lower idler arms e Attach a 3 32 hairpin cotter to the chain attached to the upper idler arm placing it in the fifth link from the spring TENSIONING CHAIN upper idler arm 3 32 HAIRPIN COTTER IN 5th LINK TENSIONING CHAIN lower idler arm FIGURE 42 STEP 43 SEE FIGURE 43 e Attach the two rear pulley frame brackets to the inside of the clutch idler assembly using two 5 16 x 1 hex bolts eight 5 16 washers and two 5 16 nylock nuts for each bracket e Attach the two front pulley frame brackets to the inside of the clutch idler assembly using two 5 16 x 3 4 hex bolts 5 16 washers and 5 16 nylock nuts for each bracket 5 16 x 3 4 HEX BOLT 5 16 5 16 x 1 HEX BOLT 4 5 16 WASHERS 5 16 NYLOCK NUT FIGURE 43 STEP 44 SEE TABLE 2 e Three different l
39. ng and cooling systems no matter who made it no matter who sold it For the replacement parts accessories and owner s manuals that you need to do it yourself For Sears professional installation of home appliances and items like garage door openers and water heaters 1 800 4 MY HOME 1 800 469 4663 Call anytime day or night U S A and Canada www sears com www sears ca Our Home For repair of carry in items like vacuums lawn equipment and electronics call anytime for the location of your nearest Sears Parts amp Repair Service Center 1 800 488 1222 U S A 1 800 469 4663 Canada www sears com www sears ca To purchase a protection agreement on a product serviced by Sears 1 800 827 6655 USA 1 800 361 6665 Canada Para pedir servicio de reparacion Au Canada pour service en fran ais a domicilio y para ordenar piezas 1 800 LE FOYER C 1 888 SU HOGAR 1 800 533 6937 1 888 784 6427 www sears ca Sears Registered Trademark Trademark Service Mark of Sears Brands LLC Marca Registrada Marca de F brica 5 Marca de Servicio de Sears Brands LLC MC Marque de commerce P Marque d pos e de Sears Brands LLC Sears Brands LLC
40. o wear To prevent damage discharge chute to the spiral auger housing replace plate and shoes e Apply a good grade of spray lubricant to the trigger before wear is excessive assembly and the chute tilt control assembly 27 SERVICE AND ADJUSTMENTS LIFT RELEASE CABLE ADJUSTMENT 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 S Disengage the tractor s attachment clutch Lower the snow thrower to the ground Remove the attachment pin Lock the snow thrower s lift handle in the down position to decrease belt tension Release the spring tension from the auger belt idler arm on the bottom of the clutch idler assembly 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 55 on page 24 Assemble the belt onto the clutch idler assembly KID 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 p
41. ossible to prevent possible damage to the spiral auger On blacktop or concrete surface 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 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 59 FIGURE 59 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 48 on page 22 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 48 on page 22 CLUTCH DISENGAGEMENT ADJUSTMENT For tractors with engagement rod clutches only Not for electric clutches or cable clutches If the spiral auger on the snow thrower does not stop when the attachment clutch lever on the tractor is disengaged then adjustment is necessary Proceed as follows Refer back to figure 33 on page 17 Place the attachment clutch lever in the disengaged position Remove the hairpin cotter from the engagement rod trunnion and lift the trunnion out of the hole in the idler arm Screw the trunnion a few turns towards the front end of the rod
42. rly around pulleys and inside all belt keepers EEE e 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 Check skid shoe adjustment Refer to the Service and Adjustments section LE lt SO i Check discharge chute for proper rotation in ENDOF po L 4 S SPRING T F The following additional items are available from Sears to help enhance the performance of your snow thrower See Accessories and Attachments on 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 Snow Cab which can be installed to help protect against wind and blowing snow FIGURE 57 VIEWED FROM UNDERNEATH 25 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 CR LIFT HANDLE UPPER CHUTE LOWER CHUTE 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 thro
43. ront Pulley Frame Bracket 2 2 Lift Handle and Cable 13 V Belt Drive 56 48138 3 Chute Crank Rod Assembly 14 V Belt Drive 55 46989 4 Support Tube Crank Rod 15 V Belt Auger Attached to Housing Assembly 5 Engagement Rod Not used on some models 16 L H Hanger Bracket Outside Mounting 6 Cable Bracket 17 R H Hanger Bracket Outside Mounting 7 Engine Pulley Keeper Not used on some models 18 L H Hanger Bracket Inside Mounting 8 Chute and Control Cable Assembly 19 R H Hanger Bracket Inside Mounting 9 Clutch Idler Assembly 20 Left Hand Side Plate 10 Rear Pulley Frame Bracket 2 21 Right Hand Side Plate 11 Anti rotation Bracket 22 Pulley 23 Spacer 3 8 ONLY ITEMS NEEDED FOR MODEL 917 TRACTORS ARE SHOWN 27016 47846 e Ge 64451 64452 23 ia ASSEMBLY LOCATE TRACTOR S MODEL LABEL Look under your tractor seat to locate the model number label shown below This manual if for tractors with model numbers that start with 917 as shown below CONFORMS TO ANSI B71 1 2003 SAFETY STANDARDS mooez 917 000000 EL BR peus a com oe serIAL 000000A000000 917 MODEL TRACTORS AR rrr C FOR PARTS AND SERVICE CALL 1 800 4MY HOME eT E TTS DA DANS KAMIN SEARS ROEBUCK AND CO Hoffman Estates IL 60179 193653 IMPORTANT If your model number starts with 247 use the owner s manual and the parts that are contained in the other parts bag TOOLS RE
44. 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 allow 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
45. tches To ease the assembly of the auger drive belt delay the installation of the attachment pin until you have assembled the belt as instructed in steps 56 and 57 ATTACHMENT PIN After installing auger belt 1 8 HAIRPIN COTTER SHOULDER FIGURE 54 RIGHT SIDE VIEW 24 BEFORE INSTALLING THE AUGER BELT STEP 56 SEE FIGURE 55 e The auger belt comes pre assembled to the pulleys on the snow thrower housing Make sure the belt 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 TWIST 5 7 TWIST 1 4 TURN 1 4 TURN es a IDLER IDLER PULLEY PULLEY T7 FIGURE 55 INSTALLING THE AUGER BELT STEP 57 SEE FIGURE 56 e Push the lift handle down to increase slack in the belt attachment pin must first be removed e Swing the idler arm over to the left side 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 CLUTCH IDLER ASSEMBLY LEFT SIDE OF TRACTOR PULLEY NT FIGURE 56 VIEWED FROM UNDERNEATH INSTALLING THE ATTACHMENT PIN ATTACH REFLECTORS TO REAR FENDER STEP 60 SEE FIGURE 58 STEP 58 REFER BACK TO FIGURE 54 ON PAGE 24 e lf your tractor is not equipped with rear reflectors Lift the front of the snow blower
46. to align the holes in assemble the supplied rear reflectors to the rear the mounting plates and the side plates From the left fender Place the reflectors as close to the bottom of side of the tractor insert the attachment pin through the fender and as far apart as the shape of the fender the holes Secure it with by reinstalling the 1 8 hairpin will allow cotter SETTING THE AUGER BELT TENSION STEP 59 SEE FIGURE 57 Pull the tensioning chain until the end of the spring is pulled through the hole in the side of the Clutch Idler assembly Install a 1 8 hairpin cotter through the end of the spring securing it on the outside of the Clutch Idler assembly IMPORTANT For correct belt tension the 1 8 hairpin cotter must attach to the end of the spring not to the chain NOTE To prevent the chain from dragging on the ground loop the end of the chain though the pivot lock pin Refer to figure 45 on page 21 REAR REFLECTORS CLUTCH IDLER ASSEMBLY FIGURE 58 perce CHECKLIST TRACTOR 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 PULLEY e Make sure all assembly instructions have been z i completed with all bolts and nuts properly tightened 1 8 ne e Make sure the correct drive belt was installed HAIRPIN S i Make sure the drive belt and auger belt are routed COTTER prope
47. top 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 35 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 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 b
48. tractor engine Front wheels slide instead of steering Snow thrower rides up over snow the snow thrower 1 Object jammed in spiral auger 2 Hard or heavy snow Not enough traction at front wheels 1 Tractor ground speed too fast 2 Bottom snow is icy or hard packed outdoor temperature before using h Stop engine disengage the snow thrower clutch and clear the auger 2 Increase to full throttle and decrease ground speed 1 Increase scraper plate clearance by lowering skid shoes 2 Pull down on lift handle to increase weight on front wheels 1 Reduce ground speed 2 Lower the skid shoes so that front of skid shoe is lower than the rear PARTS REPAIR PARTS FOR MODEL 486 24837 42 SNOW THROWER For Tractors With Model Numbers Beginning With 917 se Sia Cl lt REPAIR PARTS FOR MODEL 486 24837 42 SNOW THROWER For Tractors With Model Numbers Beginning With 917 REF PART NO QTY DESCRIPTION 1 05931 1 Housing Bearing 2 65701 1 Housing Assembly 3 71464 1 Gear Assembly 4 63579 1 Chute Crank Rod Assembly 5 63768 1 Impeller Assembly 6 24773 1 Scraper Plate 7 25982 1 Shaft Auger Gearbox 8 703 2735A 1 Bracket Chute Crank 9 24816 1 Cover Belt 10 705 5226 1 Chute Reinforcement 11 705 5269 1 Spiral Assembly L H not shown 12
49. u replaced the engine pulley keeper on a manual attachment clutch tractor reinstall the tractor s original engine pulley keeper See figure 33 on page 17 or figure 39 on page 19 If you have a rod operated attachment clutch remove the engagement rod from the tractor s clutch arm See figure 29 on page 16 REMOVING THE SPIRAL AUGER HOUSING Lower the snow thrower to the ground Remove the attachment pin See figure 54 on page 24 Lock the snow thrower s lift handle in the down position to decrease belt tension 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 Release the spring tension from the auger belt idler arm on the bottom of the clutch idler assembly Remove the auger drive belt from the clutch idler assembly See figure 56 on page 24 Pull the spiral auger housing assembly off of the tractor TROUBLESHOOTING PROBLEM CAUSE CORRECTION Spiral augers don t turn 1 Upper or lower V belt too loose 1 Increase tension on V belt 2 Upper or lower V belt broken 2 Replace V belt 3 Shear bolts are sheared 3 Replace shear bolts Clogged discharge chute 1 Tractor ground speed too fast 1 Use lower tractor gear 2 Tractor throttle set too low 2 Increase to full throttle 3 Snow too deep 3 Raise the snow thrower 4 Snow melts during contact with 4 Allow snow thrower to cool to Snow thrower stalls
50. wer to transport or operating position LIFT RELEASE TRIGGER Releases the lock which holds the snow thrower in the transport position BE OPE STARTING Use the end of assembly checklist to verify that all instructions have been properly completed 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 Make sure the tractor engine has the correct oil for winter operation SAE 5W 30 Refer to tractor owner s manual HOW TO START YOUR SNOW THROWER 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 TOW TO STOP YOUR SNOW THROWER 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 e LIFT RELEASE TRIGGER CHUTE TILT HANDLE ANS lt CRANK ROD SKID SHOE 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 amp L H Feed snow to the impeller fan at the center of the housing HOW TO USE YOUR SNOW THROWER A
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