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ST0524

Snow Thrower

MTF-031072L

OPERATOR’S

MANUAL

Summary of Contents for ST0524

Page 1: ...ST0524 Snow Thrower MTF 031072L OPERATOR S MANUAL ...

Page 2: ...ion On assembled units it is the responsibility of the owner to make sure the unit is correctly assembled The owner must carefully check the unit according to the instructions in this manual before it is first used The warranty found in this manual details the coverage and limitations of this product Registration of the warranty is necessary and must be preformed by the dealer within sixty 60 days...

Page 3: ... it is highly flammable a Use an approved fuel container b Never remove fuel tank cap or add fuel to a running en gine motor or hot engine motor c Fill fuel tank outdoors with extreme care Never fill fuel tank indoors d Replace fuel cap securely and wipe up spilled fuel e Never store fuel or snowthrower with fuel in the tank inside of a building where fumes may reach an open flame or spark f Check...

Page 4: ...17 Disengage power to the collector impeller when snow thrower is transported or not in use 18 Use only attachments and accessories approved by the manufacturer of the snowthrower such as tire chains electric start kits ect 19 Never operate the snowthrower without good visibility or light Always be sure of your footing and keep a firm hold on the handles Walk never run 20 Do not over reach Keep pr...

Page 5: ...SNOW FROM AUGER 15 HOW TO SET THE DRIFT CUTTERS 15 BEFORE STARTING ENGINE 16 CHECK THE OIL 16 FILL GAS 16 BEFORE STOPPING THE ENGINE 16 TO START ENGINE 17 USE OF ELECTRIC STARTER 18 OPERATING TIPS 20 SERVICE RECOMMENDATIONS 21 MAINTENANCE 22 LUBRICATION 22 ENGINE 24 AUGER HOUSING HEIGHT ADJUSTMENT 25 BELT ADJUSTMENT 26 HOW TO REPLACE THE BELTS 27 BELT GUIDE ADJUSTMENT 29 TRACTION DRIVE CABLE ADJUS...

Page 6: ...nd the purpose for the warning or danger given in the safety decal If you do not understand the meaning then thoroughly read all safety and operation instructions in this Owner s Manual or contact your local dealer If any safety decals become worn or damaged and cannot be read order replacement decals from your local dealer Identifying Your Snowthrower The snowthrower has two 2 identifying numbers...

Page 7: ...wner uses the duration of this warranty is ninety 90 days after the date of purchase Your warranty does not cover minor mechanical adjustments which are not due to any defect in material or workmanship For assistance in making such adjustments consult your Operator s Manual The engine on this Frontier Branded Snowthrower is warranted to the original purchaser for only a Two 2 Year Limited Warranty...

Page 8: ... screw driver to spread cotter pin HOW TO MEASURE SCREW SIZE LENGTH DIAMETER CONTENTS OF SHIPPING CARTON 1 Snowthrower 1 Container of Fuel Stabilizer Located in Parts Bag 1 Crank Assembly 1 Parts Bag WARNING Always wear safety glasses or eye shields while assembling snowthrower PARTS BAGS CONTENTS 1 Shift Lever Knob not actual size 2 Shear Bolt 2 Nut 2 Spacer Non Assembly parts are found in toolbo...

Page 9: ...emove the parts bag NOTE Set the fuel stabilizer aside until adding gasoline to the fuel tank We recommend that fuel stabilizer is added to the fuel each time that gasoline is added to the fuel tank 6 For shipping purposes the height adjust skids are at tached to the pallet Remove the screw that secures each height adjust skid to the pallet See Figure 2 7 Roll the snowthrower off the carton by pul...

Page 10: ... Make sure eye bolt is properly aligned and the crank can freely rotate 7 Tighten all handle bolts NOTE Make sure crank does not touch carburetor cover Figure 5 Crank Eye Bolt 5 16 18 Nut 11 32 Flatwasher 5 16 18x2 Bolt 5 16 18 Lockwasher Flatwasher 3 8 Nylon Locknut Figure 6 Crank Rod Assembly Universal Joint Hair Pin CHECK THE CABLES 1 If control cables have become unattached from motor mount fr...

Page 11: ...er Knob CHECK THE TIRES The tires were over inflated for shipment Check the tire pressure in the tires See the sidewall of the tire for the proper inflation IMPORTANT BEFORE YOU START OPERATING r Check the fasteners Make sure all fasteners are tight r On electric start models the unit was shipped with the starter cord plugged into the engine Before operating unplug the starter cord from the engine...

Page 12: ...in cool weather Ignition Key Must be inserted to start engine Pull out to stop Do not turn ignition key Starter Handle Starts the engine manually SNOWTHROWER CONTROLS Speed Select Lever Allows the operator to use one of six 6 forward and two 2 reverse speeds To shift move speed select lever to desired position NOTE Do not move speed select lever while Traction Drive Clutch is engaged This may resu...

Page 13: ...e 9 2 Adjust the snow chute deflector Loosen the wing nut on the side of the snow chute deflector Raise the snow chute deflector for more distance or lower for less distance Tighten wing nut see Figure 11 HOW TO MOVE FORWARD AND BACKWARD 1 Start the engine See To Start Engine in the Operation section NOTE Always release the traction drive lever before moving the speed select lever 2 Ground speed i...

Page 14: ... the risk of fire keep the machine clean and free from spilled gas oil and debris WARNING Never run engine indoors or in an enclosed poor ventilated area Engine exhaust contains CARBON MONOXIDE an OR DERLESS and DEADLY GAS Keep hands feet hair and loose clothing away from any moving parts on engine and snowthrower Temperature of muffler and nearby areas can exceed 150_ F 66_ C Avoid these areas DO...

Page 15: ...er Move throttle lever to stop position Remove do not turn ignition key Disconnect spark plug wire Do not place your hands in the auger or discharge chute Use the cleaning stick to remove snow HOW TO SET THE DRIFT CUTTERS OPTIONAL ACCESSORY ON SOME MODELS Drift cutters are used to cut a path through snow deeper than the auger housing 1 Loosen the wingnuts that secure the drift cutters to the auger...

Page 16: ... wrench is available torque plug to 18 23 ft lbs WARNING Gasoline is flammable Always use caution when handling or storing gasoline Do not add gasoline to the fuel tank while snow thrower is running hot or when snowthrower is in an enclosed area Keep away from open flame electrical sparks and DO NOT SMOKE while filling the fuel tank Never fill the fuel tank completely but fill the fuel tank to wit...

Page 17: ...ne still warm from recent running 1 Be sure auger drive clutch lever and traction drive clutch lever are in the disengaged RELEASED position 2 IN TEMPERATURES ABOVE 0 F 18 C Move throttle control to FAST position IN TEMPERATURES BELOW 0 F 18 C Move throttle control to 1 2 THROTTLE position Allow engine to idle at 1 2 Throttle for five minutes to allow en gine oil to warm before engaging auger driv...

Page 18: ...utton Oil Fill Cap Dipstick Starter Handle Throttle Control Lever Ignition Key Choke Carburetor Cover Figure 19 Starter Button Switch Box Power cord COLD ENGINE START ELECTRIC STARTER SEE FIGURE 18 AND FIGURE 19 Engine has not been run recently NOTE When using the 120 volt electric starter do not push the primer button 1 Be sure auger drive clutch lever and traction drive clutch lever are in the d...

Page 19: ...rottle control to FAST position IN TEMPERATURES BELOW 0 F 18 C Move throttle control to 1 2 THROTTLE position Allow engine to idle at 1 2 Throttle for five minutes to allow en gine oil to warm before engaging auger drive clutch lever Failure to allow engine oil to warm can cause damage to engine 3 Insert key into ignition slot Make sure it snaps into place Figure 17 Do not turn key 4 CHOKE KNOB mu...

Page 20: ...snowblowing job has been completed allow the engine to idle for a few minutes to melt snow and ice ac cumulated on the engine 8 Remove ice and snow accumulation from the entire snowthrower to prevent obstructions and possible dam age when snowthrower is subsequently operated 9 Before starting snowthrower always inspect augers and impeller for ice accumulation and or debris which could result in sn...

Page 21: ... subjected to operator abuse or negligence To re ceive full value from the warranty operator must maintain snowthrower as instructed in this manual The following Ser vice Recommendations is supplied to assist operator to properly maintain snowthrower This is a check list only Ad justment referred to will be found in the MAINTENANCE sec tion of this manual AFTER EACH USE 1 Check for any loose or da...

Page 22: ...a year If grease is visible do not add If grease is not visible use a piece of fine wire like a dipstick to check if there is grease in the gear box Mobilux EP1 and Shell Aldania EP1 are suitable equivalents Figure 20 Filler Plug LUBRICATION AT STORAGE Bearings and bushings All bearings and bushings are lifetime lubricated and require no maintenance Hex shaft and chains For storage the hex shaft s...

Page 23: ...ain type lubricant 5 Wipe the hexshaft and sprockets with 5W30 motor oil NOTE Clean all excess grease or oil found on the rubber friction wheel or the disc drive plate CAUTION Do not allow grease or oil to contact the rubber friction wheel or the disc drive plate 6 Install the bottom panel Hexshaft wipe with 5W30 motor oil be fore storage and at the beginning of each season If grease or oil come i...

Page 24: ...ce SF or higher Do not use SAE10W40 oil as it may not provide proper lubrication See Chart for oil recommendations To Drain Oil Position snowthrower so that the oil drain plug is lowest point on engine Remove oil drain plug and oil fill cap and drain oil into a suitable container Figure 24 NOTE Oil will drain more freely when warm Replace oil drain plug and tighten securely Refill crank case with ...

Page 25: ...ID HEIGHT This snowthrower is equipped with two height adjust skids secured to the outside of the auger housing These elevate the front of the snowthrower When removing snow from a hard surface area such as a paved driveway or walk adjust the skids up to bring the front of the snowthrower down When removing snow from rock or uneven construction raise the front of the snowthrower by moving the skid...

Page 26: ...ire 2 Remove screw from belt cover Remove belt cover see Figure 26 3 Loosen nut on auger idler pulley and move auger idler pulley towards belt about 1 8 inch 3 mm see Figure 29 4 Tighten nut 5 Have someone engage auger drive clutch Check ten sion on belt opposite idler pulley Belt should deflect about 1 2 inch 12 5 mm with moderate pressure Figure 27 You may have to move idler pulley more than onc...

Page 27: ...auger drive pulley and from the engine pulley Replace the auger drive belt with an original factory replacement belt avail able from an authorized service center 8 Install the new auger drive belt onto the auger drive pulley and onto pulley 9 Adjust the auger drive belt See How To Adjust The Au ger Drive Belt in the Maintenance section 10 Adjust the belt guide See How To Adjust The Belt Guide in t...

Page 28: ...gine pulley 7 Make sure the traction drive idler pulley is properly aligned with the traction drive belt 8 Attach the traction drive spring 9 Install the swing plate axle rod and secure with the e ring removed earlier 10 The bottom of the swing plate must be positioned be tween the alignment tabs Make sure the swing plate is properly secured see Figure 30 NOTE If the drive will not engage after th...

Page 29: ...see Figure 32 1 Move clutch lever to the full forward position Holding cable tight note position of fitting to hole in clutch lever 2 The center of the Z fitting should be between the centre and top of the hole in the clutch lever Adjust either the auger drive cable or the traction drive cable as follows Auger Drive Cable Adjustment WARNING Drain the gasoline outdoors away from fire or flame 1 Rem...

Page 30: ...oved 7 Remove the Z hook from the cable adjustment bracket Move the Z hook down to the next adjust ment hole 8 Pull the traction drive cable up through the cable ad justment bracket 9 Put the cable boot over the cable adjustment bracket 10 Install the Z hook to the traction drive lever see Figure 32 11 To check the adjustment depress the drive lever and check the length of the drive spring see Fig...

Page 31: ...37 4 Remove the bottom panel 5 Position the shift speed lever in the lowest forward speed 6 Note the position of the friction wheel see Figure 38 The correct distance A from the right side of the fric tion wheel to the outside of the motorbox is as follows Tire Size Distance A 12 and 13 inch 4 1 8 10 5 cm 16 inch 4 5 16 10 95 cm If the friction wheel is not in the correct position adjust as follow...

Page 32: ...asteners that secure the left wheel Re move the left wheel from the axle see Figure 40 4 Loosen the bolts on each side of the bottom panel 5 Remove the bottom panel Figure 40 Wheel Axle Bolt Bolt Bottom Panel 6 Remove the fasteners that secure the drive sprocket to the axle see Figure 41 7 Remove the right wheel axle and drive sprocket Figure 41 Axle Drive Sprocket Chain 8 Remove the four bolts th...

Page 33: ...e the two washers are properly aligned with the actuator arms 14 Make sure the hex shaft turns freely Washer Figure 44 Hex Shaft Actuator Arms Washer Bearings Washer Bearings Washer 15 Install the right wheel axle and drive sprocket with the fasteners removed earlier Install the chain onto the drive sprocket see Figure 41 16 Check the adjustment of the friction wheel See How To Adjust The Friction...

Page 34: ...ear Pin Locknut Spacer TO ADJUST OR REPLACE THE SPARK PLUG Check the spark plug every twenty five 25 hours Re place the spark plug if the electrodes are pitted or burned or if the porcelain is cracked 1 Clean spark plug and reset gap periodically 2 Clean area around spark plug base before removal to prevent dirt from entering engine 3 Replace spark plug if electrodes are pitted or burned or if por...

Page 35: ...r area This can be done by first removing the spark plug and squirting clean engine oil into the spark plug hole Then cover the spark plug hole with a rag to absorb oil spray Next rotate the engine by pulling the starter two or three times Finally reinstall spark plug and attach spark plug wire 4 Thoroughly clean the snowthrower 5 Lubricate all lubrication points see Lubrication in the Maintenance...

Page 36: ...el Replacement in the Maintenance section of this manual Unit fails to discharge snow Auger drive belt loose or damaged Replace or adjust auger drive belt Refer to Drive Belt Replacement and Drive Belt Adjustment in the Maintenance section of this manual Auger control cable not adjusted correctly Adjust auger control cable Refer to Cable Adjustment in the Maintenance section of this manual Broken ...

Page 37: ...snowthrower model and serial num ber and your engine model number This is the model and serial number that you recorded in the Owner s Informa tion section of this Owner s Manual QUICK REFERENCE PART NUMBERS The following is a list of replacement parts that you may need for routine service and maintenance If you do not see the replacement part you need in the following chart then check the full li...

Page 38: ...SHER 38ID 9 MT71015 SCREW 3 8 24X1 00 10 MT579932 BELT DRIVE V 3L 11 MT585416 BELT AUGER V 4L 12 MT1501112 YZ BRACKET ASSEMBLY IDLER 13 MT1501065 BUSHING IDLER BRACKET 14 MT71060 WASHER SPLIT 15 MT710097 SCREW 5 16 24 X 0 75 16 MT53704 SPRING IDLER TRACTION DRIVE 17 MT50793 PULLEY IDLER 18 MT590 NUT JAM 3 8 16 20 MT1501201 GUIDE BELT 22 MT71060 WASHER 31X 58X 08 24 MT710097 SCREW 5 16 24X 75 25 FR...

Page 39: ...FRONTIER MODEL ST0524 FACTORY MODEL 624504x16A 39 MTF 031072L ELECTRIC START ASSEMBLY 8 9 7 6 Key No Part No Description 6 MT330783 MOTOR STARTER 7 MT762226 SCREW 8 MT6217 SCREW 9 MT6219 CORD STARTER ...

Page 40: ...FRONTIER MODEL ST0524 FACTORY MODEL 624504x16A 40 MTF 031072L FRAME 162 167 167 162 91 91 122 90 168 103 106 105 108 Ref Engine Page 110 148 149 107 Ref Drive Page Ref Auger Housing Page 111 169 160 ...

Page 41: ...1682 PIN HAIR 38DIAX1 64LG 106 MT761761 PIN CLEVIS 3 16 DIA 107 MT165x160 SPRING TENSION 108 MT761675 YZ ASSY SPRING ATTACH 110 MT585781 BOLT 3 8 16X1 25 CARR 111 MT711617 WASHER FLAT 122 MT780055 SCREW TAP 5 16 18 X 50 148 MT50793 PULLEY IDLER 149 MT590 NUT JAM 3 8 16 160 MT1501052 COVER BELT 162 MT26X306 SCREW TAP 167 MT71067 WASHER FLAT 168 MT1501200 SPACER AUGER BRACKET 169 MT760539 LID TOOL B...

Page 42: ...MTF 031072L DRIVE Ref Wheel Page 229 200 223 225 226 227 234 230 221 Ref Wheel Page Ref Shift Yoke Page 206 201 203 204 232 234 229 220 220 218 218 207 215 215 238 238 210 212 213 213 217 213 203 204 236 Ref Frame Page Ref Wheel Page Ref Wheel Page 208 ...

Page 43: ...9 BEARING TRUNION CLUTCH R 212 MT1501435 WHEEL FRICTION DISC 213 MT001x38 BOLT 215 MT303008 NUT KEPS HEX 1 4 20 217 MT579859 RING RETEXT 218 MT579858 WASHER 220 MT334163 BEARING AND RETAINER ASSY 221 MT780055 SCREW TAP 5 16 18 x 5 223 MT1501115 FRICTION PULLY 225 MT1501057 YZ LF PLATE SWINGING YZ 226 MT1501158 SPACER FRICTION PULLEY 227 MT15X114 NUT FLANGE LOCK 3 8 24 229 MT11X30 RETAINER RING 230...

Page 44: ... ST0524 FACTORY MODEL 624504x16A 44 MTF 031072L AUGER HOUSING 550 551 552 553 554 500 527 481 480 485 499 482 490 491 493 527 522 522 523 521 525 526 525 526 523 524 524 520 510 514 Ref Gear Case Page 540 541 544 511 ...

Page 45: ...K 500 MT1501585E511 HOUSING ASSY 510 MT581397E701 BLADE SCRAPER 511 MT340714 BOLT 1 4 20X 75 514 MT780285 NUT 1 4 20 520 MT1501209E701 AUGER ASSY LH 521 MT1501210E701 AUGER ASSY RH 522 MT9524 SCREW 1 4 20X1 75 523 MT3943 SPACER SLEEVE 524 MT73826 NUT 1 4 20 525 MT9517 BEARING FLANGE 526 MT711862 NUT 5 16 18 527 MT9357 SCREW 5 16 18X 75 540 MT1501609E701 SKID HEIGHT ADJUST 541 MT340720 BOLT 5 16 18...

Page 46: ...FRONTIER MODEL ST0524 FACTORY MODEL 624504x16A 46 MTF 031072L HANDLE ASSEMBLY 720 734 733 736 731 730 737 741 740 728 727 726 726 726 724 756 755 744 727 757 743 763 751 760 762 745 759 745 746 746 ...

Page 47: ...535 PUSH ON CAP 735 MT302620E701 PLATE CABLE PIVOT 736 MT303108 SCREW 737 MT73826 NUT 740 MT1501123 CABLE CLUTCH 741 MT761589 CABLE AUGER CLUTCH 743 MT313441 BRKT CABLE ADJUST 744 MT1673 SPRING AUGER CLUTCH 745 MT15x145 LOCKNUT 746 MT308146 BOOT CLUTCH SPRING 755 MT337407E701 BRACKET GEAR SELECTOR 757 MT310169 SCREW 1 4 20 X 0 63 750 MT339541E701 HANDLE LOWER 751 MT70984 SCREW 752 MT71060 WASHER 7...

Page 48: ...Key No Part No Description 790 MT581631E701 ROD SHIFT 791 MT302628 SCREW 1 4 20X 75 792 MT73826 NUT 1 4 20 793 MT318486 NUT JAM 796 MT304438 KNOB 800 MT760564 LEVER SPRING 801 MT302628 SCREW 1 4 20X 75 802 MT73826 NUT 1 4 20 811 MT579944 BEARING FLANGED 812 MT1501085 YZ ROD ASSY SPEED SELECT 813 MT11x30 RETAINER RING ...

Page 49: ... 5 16 18 X 1 00 583 MT71071 WASHER FLAT 584 MT71038 NUT 5 16 18 596 MT71071 WASHER 597 MT57171 KNOB T 3 00 598 MT15X144 NUT 5 16 18 599 MT2x100 BOLT 5 16 18X1 00 600 MT762222 CHUTE ASSEMBLY 601 MT002x97 BOLT 5 16 18 602 MT71071 WASHER FLAT 603 MT71038 NUT 5 16 18 606 MT585214 YZ CHUTE COLLAR 607 MT02x101 SCREW 1 4 20 X 0 75 609 MT15X145 NUT 1 4 20 HEX NYLOCK 610 MT337227 RETAINER RING INNER 611 MT...

Page 50: ...T 852 4 MT17X170 WASHER 852 5 MT579493 PIN COTTER 852 6 MT1501306E701 BRACKET GEAR MOUNT 852 7 MT1501293 PIN HAIR 852 8 MT1501075 YZ ASSEMBLY YOKE ADAPTER YZ 852 9 MT711682 PIN HAIR 852 10 MT578060 PIN UNIVERSAL JOINT 852 11 MT578309 PIN CLEVIS 852 13 MT578063 HOUSING UNIVERSAL 854 MT51443 KNOB SLEEVE 855 MT309312 FLATWASHER 856 MT73664 NUT PUSH ON 3 8 860 MT581618 EYE BOLT 3 8 16X6 00 861 MT148 G...

Page 51: ...on 650 MT1501562 SHAFT AXLE 652 MT1501089 SPRKT HUB 653 MT01x193 SCREW 1 4 20 x 1 75 654 MT15x145 NUT 1 4 20 HEX NYLOCK 655 MT1501114 BEARING AXLE 671 MT712120 FLATWASHER 673 MT1501139 BUSHING WHEEL 675 MT1501656 TIRE RIM RIGHT 676 MT577015 SCREW 1 4 20X1 75 HH 677 MT15X145 NUT 1 4 20 HEX NYLOCK 678 MT239 RING RET 679 MT73842 PIN KLIK 25 X 1 38 DIA 680 MT1501656 TIRE RIM LEFT ...

Page 52: ...T 1 4 20 306 MT9344 SCREW 3 8 16X 50 310 MT9566 SEAL OIL 311 MT50304 BEARING FL 312 MT48275 WASHER FLAT 313 MT340286 SHAFT AUGER OUTPUT 314 MT51279 GASKET GEAR BOX 315 MT51405 GEAR WORM 316 MT431787 KEY WOODRUFF 61 320 MT50221 BRNG FL 321 MT1501128 SHAFT AUGER INPUT IMPELLER 322 MT580295 COLLAR THRUST 323 MT454565 PIN SPRING 324 MT48275 WASHER FLAT 325 MT50684 BRNG ROLL 326 MT50304 BRNG FL 327 MT9...

Page 53: ... MT7390 DECAL V BELTS 3 MT7859 DECAL OVER ADJUSTMENT 4 MT48x5286 DECAL ROTATING AUGER 5 MT761078 DECAL DANGER 6 MT48x5285 DECAL UNCLOGGING CHUTE 7 MT48x5284 DECAL SPEED CONTROL 9 MT760983 DECAL SHEAR BOLTS 10 MT48x5287 LOGO FRONTIER 11 MT48x5288 DECAL ST0524 12 MT48x5254 DECAL CLEAN CLEAR BRUSH 13 MT586402 DECAL TRACTON CONTROL MTF 031071L OPERATOR S MANUAL ...

Page 54: ...NOTES 54 MTF 031072L ...

Page 55: ...NOTES 55 MTF 031072L ...

Page 56: ...ve System Friction Disc Speeds 6 Forward 2 Reverse Tire Diameter 13 Traction Control Pin Lock Clearing Width 24 Housing Height 17 5 Auger Diameter 10 Auger Type Steel Notched Impeller Diameter 9 Chute Rotation Remote Chute Turning Radius 190 Deflector Control Manual Weight 160 lbs Warranty Engine 2 years Warranty Machine 3 years ...

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