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ST0521M

ST0521E

Snow Thrower

MTF-0410107C

OPERATOR’S

MANUAL

Summary of Contents for ST0521E

Page 1: ...ST0521M ST0521E Snow Thrower MTF 0410107C OPERATOR S MANUAL...

Page 2: ...on 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...

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 f...

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...

Page 5: ...12 HOW TO MIX THE FUEL MIXTURE 13 BEFORE STARTING THE ENGINE 14 HOW TO STOP THE ENGINE 14 HOW TO START THE ENGINE 14 HOW TO REMOVE SNOW FROM THE AUGER HOUSING 15 SNOW THROWING TIPS 15 SERVICE RECOMME...

Page 6: ...d 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...

Page 7: ...ner 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...

Page 8: ...om around the snow thrower 3 Cut down all four corners of the carton and lay the side panels flat 4 Cut off the plastic bag that covers the snowthrower 5 Hold onto the lower handle and pull the snow t...

Page 9: ...e apart to prevent scratching the lower handle NOTE Make sure the cables are not caught between the upper and lower handle 4 Tighten the knobs Upper Handle Knob Figure 3 Lower Handle Upper Handle Knob...

Page 10: ...ave been completed n The discharge chute rotates freely n No remaining loose parts in carton While learning how to use your snow thrower pay extra attention to the following important items n Make sur...

Page 11: ...gine operating controls and their functions are as follows Auger Drive Lever Starts and stops the auger Chute Control Rod Changes the direction of snow throw ing through the discharge chute Chute Defl...

Page 12: ...drive lever See Figure 9 NOTE If the snowthrower continues to slowly move forward see How To Adjust The Auger Control Cable in the Maintenance Section 2 To stop the engine move the ignition key to the...

Page 13: ...L Mix gasoline and oil as follows 1 Pour one 1 U S quart of fresh clean unleaded auto motive gasoline into a one gallon size gasoline con tainer 2 Add 2 6 ounces of clean high quality two cycle oil to...

Page 14: ...ring the vent hole as follows Remove finger from primer button between primes S Do not prime if temperature above 50 F 10 C S Push twice if temperature is 50 F 10 C to 15 F 10 C S Push four times if t...

Page 15: ...tones toys and other foreign objects 8 Do not use the auger propelling feature when clearing gravel or crushed rock driveways Move the handle down to slightly raise the auger 9 The forward speed of th...

Page 16: ...m mendations are supplied to assist operator to properly maintain snow thrower This is a check list only Adjustment referred to will be found in Adjustments Repairs section of this manual AFTER EACH U...

Page 17: ...O NOT get oil on the belt or pulleys 1 Remove the screws from the belt cover Remove the belt cover 2 Apply a drop of oil to the idler arm at point B see Figure 12 3 Pivot the auger bail up and down se...

Page 18: ...must stop turning When you engage the auger bail there MUST be clearance between the brake arm and the auger drive pulley 10 When you release the auger bail the auger must stop rotating Make sure the...

Page 19: ...e 15 Scraper Blade HOW TO FREE THE AUGER CABLE IMPORTANT If the auger cable will not move when you ENGAGE the bail the auger cable could be frozen in side the conduit DO NOT pull on the auger cable In...

Page 20: ...factory During nor mal use the auger control cable can become stretched and the auger drive lever will not properly engage or disengage the auger 1 Remove the Z hook from the auger drive lever Figure...

Page 21: ...ful not to bend the belt guides 4 Remove the drive belt from the auger pulley See Figure 21 5 Remove the old drive belt 6 To install the new drive belt reverse the above steps 7 Make sure the drive be...

Page 22: ...To keep the auger from rotating set a 2 x4 piece of wood on the center paddle to secure auger 5 Remove the fasteners from the bearing assembly Re move the bearing assembly from the auger housing 6 Sl...

Page 23: ...in the engine compartment under the top cover and cannot be seen under normal condi tions WARNING STOP the engine Wait for it to cool before removal of spark plug CAUTION DO NOT clean the plug with a...

Page 24: ...ug 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 3 Thoroug...

Page 25: ...le Refer to Cable Adjustment 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...

Page 26: ...NOTES 26 MTF 0410107C...

Page 27: ...must have your 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...

Page 28: ...TIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 28 MTF 0410107C ENGINE ASSEMBLY 10 11 14 9 12 13 7 15 16 7 6 5 4 3 17 2 1 29 28 27 26 25 24 23 22 21 20 18...

Page 29: ...E SPRING 11 MT316001 CABLE DRIVE 12 MT73826 LOCKNUT 25 20 HEX 13 MT71067 WASHER 286 0 62 07 14 MT70971 SCREW 25 20x1 50 15 MT71060 WASHER 318 0 56 05 16 MT313676 SCREW 31 18x 63 17 MT301421E701 PLATE...

Page 30: ...L ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 30 MTF 0410107C FRAME ASSEMBLY 12 9 10 13 11 15 16 14 11 20 15 8 7 2 17 6 3 2 1 5 21 17 23 24 5 25 11 26 11 11 11 4...

Page 31: ...CLAMP TUBING 8 MT326142 FUEL TANK 9 MT327018 CAP FUEL 10 MT311671 CLAMP WORM DR 11 MT309814 SCREW 10 24x 62 12 MT308677 BRACKET FUEL TANK 13 MT997316 NUT LOCK 10 24 14 MT274707 SCREW 10 24x 50 15 MT3...

Page 32: ...3 MT309815 SCREW 10 24x1 00 4 MT329935 KNOB 5 MT308715 BRACKET UPPER CRANK 6 MT311936 WASHER FORMED 7 MT314135 HANDLE UPPER w FOAM 8 MT308716 BRACKET LOWER CRANK 9 MT337584 BOLT FORMED HEAD 10 MT3101...

Page 33: ...scription 1 MT579052 SCREW 25 20X 63 2 MT71067 WASHER FLAT 281x 63x 065 3 MT54836 PLATE BEARING RETAINER 4 MT583459 PLATE BEARING ASSY 5 MT73826 NUT LOCK 25 20 6 MT340381E701 AUGER HOUSING 21 7 MT5781...

Page 34: ...0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 34 MTF 0410107C DISCHARGE CHUTE 15 16 17 18 19 20 21 16 23 22 5 6 13 14 24 25 25 26 24 27 28 29 5 6 7 7 6 8 9 11 12 10...

Page 35: ...T CHUTE ROD HOLE 10 MT313686 SCREW 25 20x0 50 HHC 11 MT307741 PLATE CHUTE ROD 12 MT73826 NUT LOCK 25 20 HEX 13 MT51564 BLOCK PIVOT CHUTE 14 MT307742 ROD ASSEMBLY LOWER CHUTE 15 MT71391 NUT LOCK 31 18...

Page 36: ...R MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 36 MTF 0410107C TOP COVER ASSEMBLY 10 9 8 18 17 16 15 14 13 12 19 20 24 23 20 20 4 1 2 3 4 5 6 7 5 25 22 26 1...

Page 37: ...ER 8 MT305871 COVER ENGINE ACCESS 9 MT312094 SCREW 10 16x 62 10 MT312362 SCREW 10 16x 75 11 MT56992 INGNITION SWITCH 12 MT313683 WASHER INTERNAL LOCK 13 MT300193 NUT 62 32 PLASTIC 14 MT300194 BOOT SWI...

Page 38: ...MTF 0410107C WHEEL ASSEMBLY 7 1 2 3 2 4 6 5 2 3 4 1 2 8 8 Key No Part No Description 1 MT577598 RING RET E 2 MT71072 WASHER FLAT 406x 81x 07 3 MT1501741 7 75 X1 75 WHEEL 4 MT309656 SPACER SLEEVE 5 MT...

Page 39: ...ASSEMBLY 9 10 7 6 5 2 1 8 3 4 4 3 Key No Part No Description 1 MT331532 PUSH NUT 2 MT307755 KNOB GRIP 3 MT12452 WASHER FLAT 400x 75x 02 4 MT71081 PIN COTTER 5 MT307742 ROD CHUTE CNTRL LWR 6 MT51564 B...

Page 40: ...art No Description 1 MT48x5262 DECAL DANGER AUGER 2 MT48x5642 DECAL DANGER CHUTE 3 MT337524 DECAL AUGER CONTROL 4 MT340709 MT340708 DECAL CONTROL PANEL ST0521E 621500x16NB DECAL CONTROL PANEL ST0521M...

Page 41: ...STARTER 6 1 2 5 3 4 Ref Hardware Bolts Ref Electric Starter Ref Top Cover Ref Engine Key No Part No Description 1 NA INCLUDED WITH ENGINE 2 MT271163 NUT KEPS 8 32 3 MT414106 WASHER FLAT 4 MT311633 SC...

Page 42: ...NOTES 42 MTF 0410107C...

Page 43: ...NOTES 43 MTF 0410107C...

Page 44: ...oil ST0521E Electric Fuel Capacity 1 5 quart Drive System Auger Tire Diameter 7 Clearing Width 21 Housing Height 12 Auger Diameter 9 Auger Type Rubber edged Chute Rotation Remote Chute Turning Radius...

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