MTD 800 Snow Blower User Manual
Contents
1. Upper Shift Upper Chute NOTE If the connector is not properly assembled Rod yen the shift rod will pivot and you will not be able to F G shift gears or change directions 10 Remove the hairpin clip from the end of the upper chute crank Slide the upper chute crank into the lower chute crank Align the holes and secure with hairpin clip See Figure 5 11 Unwrap the headlight wire which is attached to the headlight beneath the handle panel Wind the headlight wire around the right handle until excess slack is removed 12 Plug the wire from the headlight into the wire Shift Rod lead coming from the right side of the engine underneath the fuel tank Figure 5 High h Middle Z Lock Nut Figure 6 Figure 8 Hex Nuts Carriage Bolts FINAL ADJUSTMENTS Auger and Traction Drive Clutch Adjustment To check the adjustment of either drive clutch push forward on the clutch grip depress the rubber bumper There should be slack in the cable Release the clutch grip The cable should be straight but not tight Make certain you can depress the clutch grip against the handle completely If necessary thread lock nut up to increase tension or down to decrease tension See Figure 6 Skid Shoe Adjustment See Figure 7 The space between the shave plate and the ground can be adjusted For close snow removal place skid shoes in the low position Use middle or high2. without first TIRE PRESSURE Pneumatic tires only Tires are over inflated for shipping purposes Correct tire pressure is 10 15 psi Check sidewall of tire for manufacturer s recommendation TIRE CHAINS Tire chains should be used whenever extra traction is needed OPERATING TIPS NOTE Allow the engine to warm up for a few minutes as the engine will not develop full power until it reaches operating temperature WARNING Temperature of muffler and A surrounding areas may exceed 150 F Avoid these areas 1 For most efficient snow removal remove snow immediately after it falls 2 Discharge snow downwind whenever possible The distance snow is thrown can be adjusted by adjusting the angle of the chute assembly The sharper the angle the shorter the distance snow is thrown Slightly overlap each previous swath 3 Set the skid shoes 1 4 below the shave plate for normal usage The skid shoes may be adjusted upward for hard packed snow Adjust downward when using on gravel or crushed rock 4 Be certain to follow the precautions listed under previous section To Stop Engine to prevent possible freeze up 5 Clean the snow thrower thoroughly after each use SECTION 7 ADJUSTMENTS WARNING NEVER attempt to clean A chute or make any adjustments while engine is running REMOTE CHUTE ASSEMBLY ADJUSTMENT The remote chute control cables have been pre adjusted at the factory Move the remote chute
3. Clean fuel line fill tank with clean fresh gasoline Fuel will not last over thirty days unless a fuel stabilizer is used Drain fuel tank Refill with fresh fuel Refer to the engine manual packed with your unit or have carburetor adjusted by an authorized service dealer Loss of power Spark plug wire loose Gas cap vent hole plugged Connect and tighten spark plug wire Remove ice and snow from cap Be certain vent hole is clear Exhaust port plugged Clean see Maintenance section of engine manual Engine overheats Carburetor not adjusted Refer to the engine manual packed with your unit or have properly carburetor adjusted by an authorized service dealer Excessive vibration Loose parts or damaged auger Stop engine immediately and disconnect spark plug wire Tighten all bolts and nuts Make all necessary repairs If vibration continues have unit serviced by an authorized service dealer Unit fails to propel itself Incorrect adjustment of drive cable Drive belt loose or damaged Adjust drive cable Refer to Adjustment section of this manual Replace drive belt Refer to Belt Replacement in Maintenance section of this manual Unit fails to discharge snow Discharge chute clogged Foreign object lodged in auger Incorrect adjustment of drive cable Drive belt loose or damaged Stop engine immediately and disconnect spark plug wire Clean discharge chute and inside of auger housi
4. VARD MACHINES fr ET OPERATOR S MANUAL Model Series 800 Snow Thrower ForA Growing World fr IMPORTANT READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest covered brush covered or grass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department P O Box 368022 Cleveland Ohio 44136 9722 MTD PRODUCTS INC P O BOX 368022 CLEVELAND OHIO 44136 9722 PRINTED IN U S A FORM NO 770 0888A SECTION 1 IMPORTANT SAFE OPERATION PRACTICES WARNING THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH IF A NOT FOLLOWED COULD ENDANGER THE PERSONAL SAFETY AND OR PROPERTY OF YOURSELF AND OTHERS READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE YOUR SNOW THROWER FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY WHEN YOU SEE THIS SYMBOL HEED ITS WARNING WARNING The En
5. 2 0 OD x 03 2 15 784 5123 Chute Bracket 1 77 717 1425 Worm Gear LH Double Thread 1 16 731 1696 Chute Adapter 1 Bronze 17 736 0242 Bell Washer 345 ID x 88 OD x 06 15 78 738 0275 Worm Gear Shaft 1 19 712 3027 Hex Cent L Nut 1 4 20 w Flange 6 79 714 0135 91 Woodruff Key 1 4 x 3 4 dia 1 20 731 0851A Chute Flange Keeper 3 80 719 0349 Gear Housing Half LH 1 23 710 0601 Hex Wash HD Self Tap Scr 5 16 18 x 9 81 710 1260 Hex Flange Scr 5 16 18 x 75 7 75 82 712 0429 Hex Ins L Nut 5 16 18 12 26 710 0371 Hex Screw 5 16 18 x 75 1 83 714 0135 91 Woodruff Key 1 4 x 3 4 dia 1 28 756 0243 1 2 V Pulley 875 ID x 10 12 OD 1 84 1736 0250 Flat Washer 4 29 1714 0126 9 Hi Pro Key 3 16 x 3 4 Dia HT 1 85 1741 0494 Flange Bearing 4 30 741 0185 Self Aligning Bearing 875 ID 1 87 1710 0891 Shear Bolt 5 16 18 x 1 75 2 31 712 3010 Hex Nut 5 16 18 GD 5 12 190 05845B Housing bearing 1 5 Dbl D 2 32 736 0119 L Wash 5 16 ID 7 91 741 0192 Flange Bearing w flats 2 33 05244A Bearing Housing 2 94 754 0222 V Belt 1 2 x 44 LG 1 34 711 0640 Belt Keeper Studs 3 8 16 x 2 75 5 96 618 0257 Worm Gear Box Ass y 1 38 710 0451 Carriage Bolt 5 16 18 x 75 16 98 784 5697 Reversible Skid Shoe 2 45 684 0092A 30 Snow Thrower Hsg Ass y 1 100 705 5206A RH Spiral Ass y Serrated 30 1 Extended 705 5207A LH Spiral Ass y Serrated 30 1 46 784 5715 Shave Plate 30 1 101 710 0528 Hex Scr 5 16 18 x 1 25 1 52 1710 3168 Carriage Bolt 3 8 16 x 1 00 Gr 5 2 102 736 0271
6. 710 0599 Hwhd Sf tap Scr 1 4 20 X 1 2 zn 4 64 714 0101 Internal Cot pin 1 2 Dia 1 33 711 0653 Clevis Pin 31 Dia X 1 0 1 65 714 0104 Inter cot pin 5 16 dia 1 34 1712 3010 Nut Hex 5 16 18 Gd 5 2 66 736 0185 Fl wash 406 ID X 74 OD X 063 2 35 714 0111 Cot pin 3 32 Dia X 1 0 3 67 712 0324 Hex Ins L nut 1 4 20 4 36 732 0145 Comp Spring 36 Dia X 1 0 Lg 1 68 732 0184 Extension Spring 4 37 732 0746 Spring Torsion 44 ID 1 69 746 0952 Cbl Clutch Drv 1 38 735 0199A Rubber Bumper 63 Dia 2 Auger Housing Torque to 21 foot pounds maximum Belleville washer should be flat oe 108 113 108 VHA Auger Housing Ref Part No Description Qty Ref Part No Description Qty No No 1 736 0159 Flat Washer 344 ID x 875 OD 7 69 716 0111 Snap Ring for 875 dia shaft 1 2 710 3015 Truss Hd Mach Scr 1 4 20 x 75 6 70 721 0145 Oil Seal for 875 ID Garlock 1 4 736 0105 Belleville washer 6 76 x 6133 5 720 0284 Handle knob Ass y 1 71 741 0217 Sleeve Bearing 875 ID 2 6 731 0903B Extended lower black plastic chute 6 1 72 741 0184 Thrust Bearing 88 ID x 1 44 OD x 1 dia 078 8 784 5711 Chute Bracket 1 73 736 0291 Flat Washer 88 ID x 1 4 OD x 125 13 12 731 0846B Upper Black Plastic Chute 1 74 717 0299 Worm Gear LH Double Thread 1 13 710 0276 Carriage Bolt 5 16 18 x 1 00 Lg 2 75 741 0670 Flange Brg 1 5 ID x 1 75 OD x 80 2 14 736 0159 Flat Washer 344 ID x 875 OD 2 76 1736 0266 Flat Washer 1 5 ID x
7. as on a furnace water heater clothes dryer or other gas appliance A 1 If unit is to be stored over 30 days prepare engine for storage as instructed in the separate engine manual included with your unit Remove all dirt from exterior of engine and equipment 13 3 Follow lubrication recommendations on pages 11 and 12 4 Store in a clean dry area NOTE When storing any type of power equipment in an unventilated or metal storage shed care should be taken to rust proof the equipment Using a light oil or silicone coat the equipment especially any chains springs bearings and cables SECTION 11 TROUBLE SHOOTING GUIDE Trouble Possible Cause s Corrective Action Engine fails to start Fuel tank empty or stale fuel Blocked fuel line Choke not in ON position Faulty spark plug Key not in switch on engine Spark plug wire disconnected Primer button not depressed Fuel shut off valve closed Fill tank with clean fresh mixture of gasoline and oil Fuel will not last over thirty days unless a fuel stabilizer is used Clean fuel line Move switch to ON position Clean adjust gap or replace Insert key Connect spark plug wire Refer to the engine manual packed with your unit Open fuel shut off valve Engine runs erratic Unit running on CHOKE Blocked fuel line or stale fuel Water or dirt in fuel system Carburetor out of adjustment Move choke lever to OFF position
8. position when area to be cleared is uneven See Figure 7 Adjust skid shoes by loosening the six hex nuts and carriage bolts and moving skid shoes to desired position Make certain the entire bottom surface of skid shoe is against the ground to avoid uneven wear on the skid shoes Tighten nuts and bolts securely Shift Lever Adjustment See Figure 8 If unit does not engage properly into first gear it may be necessary to remove the cotter pin and washer from the shift rod and thread the ferrule one counterclockwise turn TIRE PRESSURE Pneumatic Tires The tires are over inflated for shipping purposes Check tire pressure and reduce to 15 to 20 psi Check sidewall of tire for manufacturers recommendation NOTE If the tire pressure is not equal in both tires the unit may pull to one side or the other SECTION 5 CONTROLS Traction Drive Auger Chute Crank Figure 9 SHIFT LEVER See Figure 9 The shift lever is located in the center of the handle panel The shift lever may be moved into one of eight positions Run engine with throttle in the fast position Use the shift lever to determine ground speed Forward one of six speeds Position number one 1 is the slowest Position number six 6 is the fastest Reverse two reverse R speeds R closest to the operator all the way back is the faster of the two 6 5 4 3 2 1 Figure 10 AUGER DRIVE See Figure 9 The auge
9. to Figure 18 6 Pull the brake bracket assembly towards the cable guide roller and unhook the auger cable Z fitting Remove the top screws and lock washers which attach the auger housing assembly to the frame assembly A 9 16 wrench is required Refer to Figure 19 _ Engine Extension Spring Auger Idler Rod Ferrule Brake Bracket re Cable Roller 7 ESS Fitting Figure 18 Auger Housing ator xe Remove x In Screw Lock Washer Figure 19 8 Separate the auger housing from the frame assembly by tilting the housing forward and pulling up the handles To Remove the Auger Drive Belt Using a 1 2 wrench remove the hex screw and belleville washer from the center of the pulley on the auger housing Lift the brake bracket assembly out of the pulley groove and remove the pulley See Figure 20 Be careful not to lose the key e Remove and replace auger drive belt inside belt keepers 12 e Reassemble pulley to auger housing with hex screw and belleville washer cupped is toward the pulley Be certain key is in place on shaft and brake puck is seated in the pulley groove Hex Screw Belleville Washer Figure 20 Proper Adjustment With the auger clutch lever in the disengaged position the top surface of the new belt should be even with the outside diameter of the pulley To adjust disconnect ferrule from the brake bracket assembly and thread ferrule in to
10. 04 Inter cot pin 5 16 dia 3 45 784 5680 Supt Brkt 3 8 Rh 1 9 747 0983 Rod Shift LWR 3 8 x 14 75 1 46 784 5681 Supt Brkt 3 8 Lh 1 10 710 0458 Carriage Bolt 5 16 18 x 1 75 4 47 784 5682 Supt Brkt 3 8 Rh 1 11 712 0287 Hex Nut 1 4 20 2 48 684 0103 Pnl Asm Handle W o Tilt 1 12 736 0270 Bell Wash 26 ID x 75 OD x 06T 2 49 710 0459 Scr Hex Cap 3 8 24 X 1 5 Gd 5 1 13 710 3015 Screw Hex Cap 1 4 20X 75GR2 2 50 712 0116 Hex Ins L nut 3 8 24 1 14 736 0119 Lock Washer 5 16 4 51 732 0193 Compression Spring 39 ID X 88 1 15 712 3010 Hex Nut 5 16 18 4 52 736 0105 Bell Wash 40 ID X 88 OD X 06 1 17 720 0284 Wing nut 4 53 784 5619A Handle Shift 1 18 736 0242 Bell Wash 345 ID x 88 OD x 060 4 54 1684 0053A Chute Crank Ass y Plated 1 19 710 0572 Carriage Bolt 5 16 18 x 2 5 4 55 710 3015 Hex Scr 1 4 20 X 75 Lg Gd5 1 20 710 0347 Hex Scr 3 8 16 x 1 75 2 56 712 0287 Hex Nut 1 4 20 1 21 736 0105 Bell Wash 40 ID x 88 OD x 06 4 57 720 0201A Chute Crank Knob Countersink 1 22 710 0216 Hex Scr 3 8 16 x 75 2 58 726 0102 Push Cap 3 8 Palnut 375011 1 27 1736 0275 FL Wash SAE 34 x 68 x 062 2 59 736 0117 Flat Washer 38 ID X 60 OD X 033 1 28 720 0232 SML shift knob 1 6 DIA sentar 2 60 736 0270 Bell Wash 26 ID X 75 OD X 06t 1 29 705 5218 Engage Handle Le Bik Dip Rh 1 61 747 0624 Crank Chute Plated 1 30 705 5219 Engage Handle Lf Bik Dip Lh 1 62 705 5266 Brkt Chute Crank 1 31 710 0351 Pan Head B tapp Scr 10 X 5 2 63 741 0475 Plastic Bushing 380 ID 4 32
11. 060 4 4 731 0321 1 Belt Cover Pierced 1 22 1737 0157 Grease Sunaplex 781 1 10 1 5 736 0264 Fl wash 344 ID X 625 OD X 063 3 23 738 0982 Shoulder Scr 498 Dia X 3 245 Lg 1 11 07386 Wash 39 ID X 1 75 OD X 175T 1 24 1748 0234 Shidr Spcr 50 Dia X 14 Shidr 1 12 1710 0191 Scr Hex Cap 3 8 24 X 1 Gd 8 1 25 1754 0131 3v Belt 35 5 Lg 1 13 1710 0237 Scr Hex Cap 5 16 24 X 62 Gd 5 3 26 1756 0240 3 0 OD Flat Idler With Flange 1 14 1710 0459 Scr Hex Cap 3 8 24 X 1 5 Gd 5 1 27 756 0241B Dbl Engine Pulley 3 25 amp 2 75 1 15 1710 1245 Hhcs 5 16 24 X 7 8 Gr 5 1 28 1684 0123 Brkt Asm Cvr Belt 12 HP 1 16 712 0116 Hex Ins L nut 3 8 24 1 29 1784 5726 Brkt Idlr Dr 1 17 714 0118 Square Key 1 4 X 1 5 1 30 Engine 1 18 732 0303 Extension Spring 38 OD X 3 18 L 1 21 ission Transm 22 Transmission Ref Part No Description Qty Ref Part No Description Qty No No 1 05523 Pivot Axle Brkt 63 Hole Zinc 1 45 732 0121 Idler Extension Spring 1 3 618 0279 Dogg Asm Dr Lh 1 46 732 0209 Extension Spring 2 5 618 0294 Shf Asm Dr 1 47 736 0119 Lock Washer 5 16 7 6 618 0296 Whl Asm Brg 6 0 OD Friction 1 48 736 0158 Lock Washer 5 8 1 7 684 0115 Brkt Asm Supt Friction Dr 1 49 736 0160 Wash FI 531 ID X 930 OD X 05 4 8 684 0116 Arm Asm Shift 1 50 736 0163 Wash FI 1 03 ID X 1 62 OD 3 9 684 0117 Shft Asm Rod 1 51 736 0176 Wash Fit 1 4 ID X 930 OD X 12 2 10 684 0118 Brkt Asm Actr Auger 1 5
12. 2 736 0187 Wash Fit 640 ID X 1 24 OD X 06 1 11 684 0119 Brkt Asm Actr Dr 1 53 736 0217 Lock Washer 3 8 Heavy 4 12 684 0120 Frm Asm Trans 1 54 736 0242 Bell Wash 345 ID X 88 OD 2 13 684 0122 Spkt Asm 32t 1 55 736 0275 Fl wash Sae 34 X 68 062 1 14 1710 0118 Hex Scr 5 16 18 X 75 3 56 736 0329 Lock Washer 1 4 5 15 710 0195 Hhes 1 4 28 625 Gr5 std 2 57 738 0143 Shid Scr 498 Dia X 340 2 16 710 0380 Hex Scr 5 16 18 X 1 75 1 58 738 0279 Drive Plate Spindle 1 17 1710 0538 Hhes 5 16 18 625 Gr5 Lock 2 59 738 0924 Scr Shidr 340 D 1 4 Ab 1 18 710 0599 Scr tt 1 4 20 5 Hxindwsh 4 60 741 0163A Asm Brg Hsg 2 20 710 0809 Scr Hexwash 1 4 20 X 1 25 1 61 741 0192 Flange Brg Pm W flts 1 0 2 21 710 0875 Scr Tt Cl 1 4 20 75 Hxindwsh 2 62 741 0563 Ball Bearing W snap Ring 2 22 710 0896 Scr Ab 1 4 14 625 Hxindwsh 14 163 741 0597 Brg Hex Flange X 564 ID 2 23 710 3001 Hhes 3 8 16 880 Gr5 Std 2 64 746 0951 Cb ldir Auger 1 24 1710 3008 Scr Cap 5 16 18 X 75 Gr 5 4 65 750 1147 Spor 1 017 ID X 7 80 Lg 1 25 711 1191 Sh Dr 875 Hex 900 1 66 747 0973 Rod Clu Dr 1 26 711 1193 Shf Sctr 1 67 750 1097 Spor Split 64 X 77 X 2 1 1 27 1711 1265 Shf Actr Dr 1 68 750 0903 Split Spacer 1 2 X 5 8 X 2 44 1 28 712 0138 Hex Nut 1 4 28 3 69 750 0997 Spor 675 ID X 1 00 OD X 23 1 29 712 0221 Hex Ins Jam L nut 5 8 18 1 70 756 0344 1 2 V pulley 62 ID X 7 5 1 30 710 0116 Hex Scr 5 16 18 X 2 00 Lg 1 71 756 0625 Cable Guide Roller 1 32 712 0429 Hex Ins L nut 5 16 18 2 72 784 0377 Brkt
13. 5 16 Sprg Wash 1 53 1710 0389 Carriage Bolt 3 8 16 x 75 Lg 4 103 736 0169 3 8 Sprg Lock Wash 5 54 784 5710 Gear Housing Support Plate 1 x 3 16 1 104 618 0281 Brkt Ass y Brkt 1 56 1712 0798 Hex Jam Nut 3 8 16 6 105 710 0459 Scr Hex Cap 3 8 24 x 1 5 GRD 5 1 58 715 0118 Spring Spiral Pin Heavy 5 16 diax 2 106 1711 0677 Adjustment Ferrule 1 1 7 107 712 0116 Hex Ins L Nut 3 8 24 1 59 684 0090 Blower Fan Ass y Complete 1 108 714 0104 Intern Cot Pin 5 16 dia 1 60 784 5076 Gear housing Support Bracket 1 x 1 109 732 0858 Spr Extn 470 dia x 4 75 Lg 1 3 16 x 110 736 0174 Wave Washer 66 ID x 88 OD 2 61 721 0325 Barbed Plug 1 111 736 0275 Fl Wash SAE 34 x 68 x 1 63 738 0733B Spiral Axle 30 1 112 738 0281 Shid Scr 625 dia x 170 x 062 2 64 721 0146 Oil Seal 1 50 ID Garlock 76 x 6223 2 113 747 0980 Rod Idler Auger 1 65 719 0348 Gear Housing Half RH 1 114 756 0240 3 0 OD Flat Idler with Flanges 1 67 714 0126 9 Hi Pro Key 3 16 x 3 4 dia HT 1 115 784 0385 Brkt Idir Auger 1 68 711 1133 Auger Drive Shaft 1 116 741 0475 Plastic Bushing 380 ID 1 Engine and V Belts 20 Engine and V Belts Ref Part No Description Qty Ref Part No Description Qty No No 1 629 0071 Extension Cord 10 Ft 1 19 736 0169 L wash 3 8 1 2 710 0502A Hex L wash Tt Scr 3 8 16 X 1 25 4 20 736 0217 Lock Washer 3 8 Heavy 1 3 710 0607 Hwhd 5 16 18 X 1 2 Thd Roll Zn 3 21 736 0242 Bell Wash 345 ID X 88 OD X
14. EL SHUT OFF VALVE Closed The fuel shut off valve located under fuel tank controls fuel flow from tank Open Spark Switch Plug Button Signer Box N andle Muffler N Carburetor 8 Cover Ignition Contro Key Figure 11 SECTION 6 OPERATION NOTE This unit has been shipped with oil in the engine Check oil before starting engine GAS AND OIL FILL UP Check oil level and add oil if necessary Service the engine with gasoline as instructed in the separate engine manual packed with your snow thrower Read instructions carefully WARNING Never fill fuel tank indoors A with the engine running or while engine is hot Do not smoke when filling fuel tank TO START ENGINE IMPORTANT If unit shows any sign of motion drive or augers with the clutch grips disengaged shut off engine immediately Readjust as instructed in the FINAL ADJUSTMENTS on page 6 Electric Starter WARNING The electric starter is A equipped with a three wire power cord and plug and is designed to operate on 120 volt AC household current It must be properly grounded at all times to avoid the possibility of electric shock which may be injurious to the operator Follow all instructions carefully Determine that your house wiring is a three wire grounded system Ask a licensed electrician if you are not certain If your house wiring system is not a three wire grounded system do not use this electric starter under any conditions If your sys
15. Supt Frm 1 33 712 0798 Hex Nut 3 8 16 2 73 784 0383 Cvr Frm Upr 1 34 712 3010 Nut Hex 5 16 18 Gd 5 7 74 784 0380 Cvr Frm Lwr 1 35 713 0284 41 Chain 1 2 Pitch X 36 L 1 75 784 0384 Brkt Gde Auger Cbl 1 36 713 0286 420 Chain 1 2 Pitch X 40 L 1 76 784 5590 Shift Bracket Frame 1 37 1713 0413 Spkt 10t 41 X 500 1 77 714 0151A Klick Pin Ass y 2 38 714 0101 Internal Cot pin 1 2 Dia 4 78 738 0984 Axle 1 0 OD X 28 35 Lg 1 39 714 0104 Intern Cot pin 5 16 Dia 1 79 734 1593 16 X 6 5 Snohog Wheel Ass y 2 40 714 0115 Cotter Pin 1 8 Dia X 1 1 734 1525 Tire 2 41 714 0388 61 Hi pro key 3 16 X 5 8 1 734 0255 Air Valve 2 42 715 0249 Spring Pin Roll 5 32 1 734 1124 Rim Ass y 2 43 717 0302 Aluminum Drive Plate 1 741 0246 Sleeve Bearings 4 23 MANUFACTURER S LIMITED WARRANTY FOR For TWO YEARS from the date of retail purchase within the United States of America its possessions and territories MTD PRODUCTS INC will at its option repair or replace for the original purchaser free of charge any part or parts found to be defective in material or workmanship This warranty covers units which have been operated and maintained in accordance with the operating instructions furnished with the unit and which have not been subject to misuse abuse commercial use neglect accident improper maintenance or alteration Normal wear parts or components thereof are subject to separate terms as noted below in the No Fault Ninety Day Consumer Warranty
16. clause All normal wear part failures will be covered on this product for a period of 90 days regardless of cause After 90 days but within the two year period normal wear parts failures will be covered ONLY IF caused by defects in material or workmanship of OTHER component parts Normal wear parts are defined as batteries belts blades blade adapters grass bags rider deck wheels seats snow thrower skid shoes shave plates and tires How to obtain service Warranty service is available with proof of purchase through your local authorized service dealer To locate the dealer in your area please check the yellow pages or contact the Customer Service Department of MTD PRODUCTS INC P O Box 368022 Cleveland Ohio 44136 9722 Phone 1 800 800 7310 The return of a complete unit will not be accepted by the factory unless prior written permission has been extended by the Customer Service Department of MTD PRODUCTS INC Transportation charges Transportation charges for the movement of any power equipment unit or attachment are the responsibility of the purchaser Units exported out of the United States MTD PRODUCTS INC does not extend any warranty YARD MACHINES I fr for products sold or exported outside of the United States of America its possessions and territories except those sold through MTD PRODUCTS INC s authorized channels of export distribution Other Warranties 1 The engine or component parts thereof car
17. e housing Remove six self tapping screws from the frame cover underneath the snow thrower Remove the wheels from the axle Using a 7 8 wrench hold the hex shaft and remove the hex nut and cupped washer and bearing from left side of the frame See Figure 14 Hold the friction wheel assembly and slide the hex shaft out of the unit toward the right hand side Remove the six screws from the friction wheel assembly three from each side Reassemble new bonded friction wheel rubber to the friction wheel assembly tighten the six screws in rotation and with equal force See Figure 21 Bonded Friction y Wheel Rubber Y re Hex Self tapping Screws Figure 21 Shift Rod Sprocket Assembly i Friction Wheel 7 Assembly Shaft Figure 22 8 Position the friction wheel assembly up onto the pin of the shift rod assembly and slide the shaft through the friction wheel See Figure 22 9 Slide the hex shaft into the hex I D of the sprocket the spacer and the left ball bearing and secure with the bell washer and hex bolt NOTE Make sure the pin from the shift arm assembly is assembled to the new friction wheel assembly 1 CAUTION Check engine and snow thrower frequently for loose nuts bolts etc and keep these items tightened SECTION 10 OFF SEASON STORAGE WARNING Never store engine with fuel in tank indoors or in poorly ventilated areas where fuel fumes may reach an open flame spark or pilot light
18. ection crank should be greased with multi purpose automotive grease IMPELLER PULLEY The impeller pulley should be lubricated once a season Refer to exploded view of parts found in the center of the book for correct location AUGER SHAFT Remove auger bolts on auger shaft see Figure 14 Oil or spray lubricant inside shaft ENGINE Refer to engine manual instructions for engine lubrication CARBURETOR ADJUSTMENT WARNING If any adjustments are A made to the engine while the engine is running e g carburetor keep clear of all moving parts Be careful of heated surfaces and mufflers Minor carburetor adjustment may be required to compensate for differences in fuel temperature altitude and load Refer to the separate engine manual packed with your unit for carburetor adjustment information NOTE Failure to comply with suggested maintenance and lubrication specifications on page 10 and page 11 will void warranty HEX SHAFT Lubricate the hex shaft with a good all weather multi purpose light grease at least once a season or after every 25 hours of operation available from an authorized service dealer or an automotive store See Figure 14 If for any reason your transmission was disassembled and the auger cable disconnected make sure when reassembling to pass the cable above the hex shaft before reconnecting to the auger actuator bracket WARNING When following A instructions in separate engine manua
19. ed electric drive motors or electric starting motors with these rules of safe operation should be allowed to use your snow thrower Adjust collector housing height to clear gravel or crushed rock surface No one should operate this unit while intoxicated or while taking medication that impairs the senses or reactions e Never attempt to make any adjustments while engine is running except where specifically recommended by manufacturer Keep the area of operation clear of all persons e Let engine and machine adjust to outdoor especially small children and pets temperature before starting to clear snow e Exercise caution to avoid slipping or falling Er e Always wear safety glasses or eye shields during especially when operating in reverse operation or while performing an adjustment or 2 PREPARATION repair to protect eyes from foreign objects that i may be thrown from the machine in any direction e Thoroughly inspect the area where the equipment is to be used and remove all door mats sleds 3 OPERATION boards wires and other foreign objects Do not put hands or feet near or under rotating e Disengage all clutches before starting engine parts Keep clear of discharge opening and auger Do not operate equipment without wearing at all times adequate winter outer garments Do not wear e Exercise extreme caution when operating on or jewelry long scarfs or other loose clothing which crossing gravel driv
20. es walks or roads Stay alert could become entangled in moving parts Wear for hidden hazards or traffic Do not carry footwear which will improve footing on slippery passengers surfaces e After striking a foreign object stop the engine remove wire from spark plug and thoroughly inspect the snow thrower for any damage Repair the damage before restarting and operating the snow thrower If the snow thrower should start to vibrate abnormally stop the engine and check immediately for the cause Vibration is generally a warning of trouble Stop engine whenever you leave the operating position before unclogging the collector impeller housing or discharge guide and making any repairs adjustments or inspections Never place your hand in the discharge or collector openings Use a stick or wooden broom handle to unclog the discharge opening Take all possible precautions when leaving the unit unattended Disengage the collector impeller stop the engine and remove the key When cleaning repairing or inspecting make certain collector impeller and all moving parts have stopped Disconnect spark plug wire and keep away from plug to prevent accidental starting Do not run engine indoors except when starting engine and transporting snow thrower in or out of building Open 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
21. gine Exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm this manual As with any type of power equipment carelessness or error on the part of the operator can result in serious injury If you violate any of these rules you may cause serious injury to yourself or others 1 TRAINING 1 DANGER Your snow thrower was built to be operated according to the rules for safe operation in Read this operator s manual carefully in its entirety e Before working with gasoline extinguish all before attempting to assemble or operate this cigarettes and other sources of ignition Check the machine Be completely familiar with the controls fuel before starting the engine Gasoline is an and the proper use of this machine before extremely flammable fuel Do not fill the gasoline operating it Keep this manual in a safe place for tank indoors while the engine is running or until future and regular reference and for ordering engine has been allowed to cool at least two replacement parts minutes Replace gasoline cap securely and wipe off any spilled gasoline before starting the engine e Never allow children under 14 years old to operate f as it may cause a fire or explosion a snow thrower Children 14 years old and over should only operate snow thrower under close e Use a grounded three wire plug in for all units with parental supervision Only persons well acquaint
22. inning the starter will not harm engine or starter Disconnect the power cord from receptacle first and then from switch box Recoil Starter With engine running pull starter rope with a rapid continuous full arm stroke three or four times Pulling the starter rope will produce a loud clattering sound which is not harmful to the engine or starter 3 To stop engine remove the ignition key Do not turn key Disconnect the spark plug wire from the spark plug to prevent accidental starting while equipment is unattended NOTE Do not lose ignition key Keep it in a safe place Engine will not start without the ignition key 4 Wipe all snow and moisture from the carburetor cover in the area of the control levers Also move control levers back and forth several times TO ENGAGE DRIVE 1 With the engine running near top speed move shift lever into one of the six FORWARD positions or two REVERSE positions Select a speed appropriate for the snow conditions that exist Use the slower speeds until you are familiar with the operation of the snow thrower 2 Squeeze the left hand auger clutch grip and engage it 3 While the left hand auger clutch grip is engaged engage the right hand traction drive clutch grip 4 Release the left hand auger clutch grip only The interlock mechanism should keep the left hand clutch engaged until the right hand clutch is released NOTE NEVER move shift lever releasing the traction drive clutch
23. l for draining oil be sure to protect frame to avoid oil transmission parts dripping onto Shift Arm Auger ye Actuator m r Assembly Bracket Tt Dave Actuator Bracket Hex Nut and Cupped Washers a Friction IL riction Le Wheel Figure 14 Viewed from the underside of snow thrower SECTION 9 MAINTENANCE 1 WARNING Disconnect the spark plug wire and ground against the engine before performing any repairs or maintenance AUGERS The augers are secured to the spiral shaft with two shear bolts and hex lock nuts See Figure 15 If you hit a foreign object or ice jam the snow thrower is designed so that the shear bolts will shear If the augers will not turn check to see if the hex bolts have sheared Two replacement shear bolts and hex lock nuts have been provided with the snow thrower When replacing bolts spray an oil lubricant into shaft before inserting new bolts Auger Shear Bolts Y Shave Plate Auger Shaft Hex Lock Nuts Figure 15 SHAVE PLATE AND SKID SHOES The shave plate and skid shoes on the bottom of the snow thrower are subject to wear They should be checked periodically and replaced when necessary NOTE All models are equipped with reversible skid shoes To remove skid shoes remove the carriage bolts Belleville washers and hex nuts which attach them to the snow thrower Reassemble new skid shoes with the carriage bolts Belle
24. lever on the control panel back and forward to adjust angle of the chute assembly CHECK ADJUSTMENT OF CLUTCH CABLES Proper adjustment is achieved by sliding the spring up the cable and threading the nut in or out Correct adjustment on cables is minimal slack but not tight AUGER BELT TENSION ADJUSTMENT Periodic adjustment of the belt tension may be required due to normal stretch and wear on the belt Increase belt tension if the augers hesitate while the augers are engaged or decrease tension if the augers continue to turn when the augers are disengaged Refer to Proper Adjustment on page 12 SHIFT ROD ADJUSTMENT To adjust the shift rod remove the cotter pin which secures the shift rod to the shift lever For proper adjustment refer to FINAL ADJUSTMENTS on page 6 SKID SHOE ADJUSTMENT The space between the shave plate and the ground can be adjusted Refer to Skid Shoe Adjustment See Figure 7 on page 6 SECTION 8 LUBRICATION WHEELS Oil or spray lubricant into bearings at wheels at least once a season Remove wheels clean and coat axles with a multi purpose automotive grease See Figure 14 CHAINS AND SHIFTING MECHANISM Remove rear cover Oil all chains sprockets bearings the hexagonal shaft round shaft and shifting mechanism at least once a season Use engine oil or a spray lubricant Avoid getting oil on rubber friction wheel and aluminum drive plate CHUTE CRANK WORM The worm gear on the chute dir
25. ng Stop engine immediately and disconnect spark plug wire Remove object from auger Adjust drive cable Refer to Adjustment section of this manual Replace drive belt Refer to Belt Replacement in Maintenance section of this manual Note For repairs beyond the minor adjustments above contact your local authorized service dealer 14 SECTION 12 ILLUSTRATED PARTS Headlight Panel Ref Part No Description Qty No 1 710 0351 Pan Head B Tapp Screw 10 2 2 710 0451 Carriage Bolt 5 16 18 x 75 1 3 731 1393 Handle Panel 1 4 712 0271 Hex Sems Nut 1 4 20 1 5 710 1240 Phillips Pan Head Screw M 4 x 16 2 6 736 0159 Fl Wash 344 ID x 88 OD 1 7 712 0429 Hex Ins L Nut 5 16 18 1 8 705 5217 Lamp Mounting Bracket 1 9 731 1364 Halogen Lamp Housing 1 10 725 1669 Lamp Lens Housing Ass y 1 659 0059 Halogen Light Wire Harness 1 725 1658 890 Halogen Bulb 1 11 735 0225 Grommet 38 ID x 50 OD x 12 1 15 Handle Assembly Handle Assembly Ref Part No Description Qty Ref Part No Description Qty No No 1 749 0991 Handle Lower 1 39 736 0119 Lock Washer 5 16 2 2 749 0990A Handle Upper RH 1 40 736 0509 Washer Spcl 345 Sq X 72 OD 2 3 749 0989A Handle Upper LH 1 41 747 0877 Cam Rod 2 5 711 0677 Adjustment Ferrule 1 42 748 0362 Clutch Lock Cam 2 6 747 0620A Upper Shift Rod 5 16 x 9 0 1 43 748 0363 Clutch Lock Pawl 1 7 750 0963 2 PC Shift Rod Connector 1 44 784 5679 Supt Brkt 5 8 Lh 1 8 714 01
26. ngine falters move choke immediately to FULL and then gradually to OFF Recoil Starter 1 From the starting instructions for an Electric starter follow step 1 through step 3 2 Rotate choke knob to FULL choke position cold engine start If engine is warm place choke in OFF position instead of FULL 3 Push primer button two or three times Refer to Figure 11 If engine is warm push primer button once only NOTE Always cover vent hole in primer button when pushing Additional priming may be necessary for first start if temperature is below 15 F 4 Grasp starter handle refer to Figure 11 and pull rope out slowly until it pulls slightly harder Let rope rewind slowly 5 Pull starter handle rapidly Do not allow handle to snap back Allow it to rewind slowly while keeping a firm hold on the starter handle 6 Repeat step 4 and step 5 until engine starts 7 As engine warms up and begins to operate evenly rotate choke knob slowly to OFF position If engine falters return to FULL choke then slowly move to OFF position TO STOP ENGINE 1 Run engine for a few minutes before stopping to help dry off any moisture on the engine 2 To help prevent possible freeze up of starter proceed as follows Optional Electric Starter Connect power cord to switch box on engine then to 120 volt AC receptacle With the engine running push starter button and spin the starter for several seconds The unusual sound made by sp
27. r drive clutch is located on the left handle Squeeze the clutch grip to engage the augers Release to stop the snow throwing action Traction drive clutch must also be released TRACTION DRIVE AUGER CLUTCH LOCK See Figure 9 The traction drive clutch is located on the right handle Squeeze the traction drive clutch to engage the wheel drive Release to stop This same lever also locks the auger clutch so you can turn the chute crank without interrupting the snow throwing process If the auger drive clutch is engaged with the traction drive clutch engaged the operator can release the auger drive clutch on the left handle and the augers will remain engaged Release the traction drive clutch to stop both the augers and wheel drive auger drive clutch must also be released CHUTE CRANK See Figure 9 The chute crank is located on left hand side of the snow thrower To change the direction in which snow is thrown turn chute crank as follows 1 Crank clockwise to discharge to the left 2 Crank counterclockwise to discharge to the right HEADLIGHT See Figure 9 The headlight is on whenever the engine is running THROTTLE CONTROL See Figure 11 The throttle control is located on the engine It regulates the speed of the engine SAFETY IGNITION SWITCH See Figure 11 The ignition key must be inserted in the switch before the unit will start Remove the ignition key when snow thrower is not in use FU
28. ry separate warranties from their manufacturers Please refer to the applicable manufacturer s warranty on these items 2 Batteries are covered by a 90 day replacement warranty 3 Log splitter pumps valves and cylinders or component parts thereof are covered by a one year warranty 4 All other warranties express or implied including any implied warranty of merchantability or fitness for a particular purpose are hereby expressly disclaimed in their entirety 5 The provisions as set forth in this warranty provide the sole and exclusive remedy of MTD PRODUCTS INC s obligations arising from the sales of its products MTD PRODUCTS INC will not be liable for incidental or consequential loss or damage How state law relates to this warranty This limited warranty gives you specific legal rights and you may also have other rights which vary from state to state Certain disclaimers are not allowed in some states and therefore they may not apply to you under all circumstances NOTE This warranty does not cover routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as brake adjustments clutch adjustments or deck adjustments Nor does this warranty cover normal deterioration of the exterior finish due to use or exposure
29. shear bolts 710 0890A and hex lock nuts If you hit a foreign object or ice jam the snow 712 0429 a safe place until needed NOTE Reference to right or left side of the snow thrower is from behind the unit in the operating position Handle panel may differ from illustrations IMPORTANT Check the adjustments as instructed on page 6 and make any final adjustments necessary before operating your snow thrower Failure to follow the instructions may cause damage to the snow thrower 1 Remove screws from the top sides and ends of the shipping crate 2 Set top side and end panels aside to avoid tire punctures or personal injury 3 Remove and discard plastic bag that covers unit 4 Roll unit out of crate 5 Remove the lower two plastic wing nuts cupped washers and carriage bolts from each side of the lower handle See Figure 3 6 The chute crank may be attached to the lower handle with cable ties for shipping purposes if so cut the cable ties and remove the chute crank at this time 7 Raise the upper handle assembly until it locks over the lower handle See Figure 3 and Figure 4 8 Secure the upper handle and lower handle with the two plastic wing nuts cupped washers and carriage bolts previously removed See Figure 4 9 Slide the shift rod connector down over the end of the lower shift rod See Figure 5 Tap the Figure 4 connector until it locks on the lower shift rod Wing Nuts Washers and Bolts
30. tem is grounded and a three hole receptacle is not available at the point your starter will normally be used one should be installed by a licensed electrician When connecting the power cord always connect cord to starter on engine first then plug the other end into a three hole grounded receptacle When disconnecting the power cord always unplug the end from the three hole grounded receptacle first 1 Attach spark plug wire to spark plug Make certain the metal loop on the end of the spark plug wire inside the boot is fastened securely over the metal tip on the spark plug See Figure 12 2 Make certain the auger and traction drive clutch levers are in the disengaged released position 3 Move throttle control up to FAST position Insert ignition key into slot Refer to Figure 11 Be certain it snaps into place Do not turn key 4 Rotate choke knob to OFF position Metal Loop on Spar Plug Wire Rubber Boot Figure 12 ENGINE WILL NOT START UNLESS IGNITION KEY IS INSERTED INTO IGNITION SLOT IN CARBURETOR COVER DO NOT TURN IGNITION KEY Figure 13 5 Connect power cord to switch box on engine Plug the other end of power cord into a three hole grounded 120 volt AC receptacle 6 Push starter button to crank engine Refer to Figure 11 As you crank the engine move choke knob to FULL choke position 7 When engine starts release starter button and move choke gradually to OFF If e
31. to clear steep slopes Never operate snow thrower without guards plates or other safety protection devices in place Never operate snow thrower near glass enclosure automobiles window wells drop off etc without proper adjustments of snow thrower discharge angle Keep children and pets away Do not overload machine capacity by attempting to clear snow at too fast a rate A STOP ENGINE BEFORE REMOVING DEBRIS AND SERVICING UNIT KEEP CLEAR OF IMPELLER WHILE ENGINE IS RUNNING NEVER DIRECT DISCHARGE AT BYSTANDERS OR WINDOWS OR ALLOW ANYONE IN FRONT OF THOROUGHLY INSPECT THE AREA WHERE THE EQUIPMENT IS TO BE USED AND REMOVE ALL DOOR MATS SLEDS BOARDS WIRES AND OTHER FOREIGN OBJECTS AVOID INJURY FROM ROTATING AUGER KEEP HANDS FEET AND CLOTHING AWAY REFER TO OWNERS MANUAL FOR FULL INSTRUCTIONS 3396MW Never operate the machine at high transport speeds on slippery surfaces Look behind and use care when backing Never direct discharge at bystanders or allow anyone in front of unit Disengage power to when transporting or not in use collector impeller Use only attachments and accessories approved by the manufacturer of snow thrower such as wheel weights counter weights cabs etc Never operate the snow thrower without good visibility or light Always be sure of your footing and keep a firm hold on the handles Walk never run Muffler and engine become hot and can ca
32. tor s Manual The information on the model plate is very important if you need help from your dealer or the MTD customer support department e Every snow thrower has a model plate You can locate it by standing behind the unit in the operating position and looking down at the frame cover The model plate will look like Figure 2 This is where your model number will be XXX X XXX X XXX XXXXXXXXXXX This is where your serial number will be Copy the model number here MTD MTD PRODUCTS INC Copy the serial number here CLEVELAND OHIO 44136 Figure 2 SECTION 3 CALLING CUSTOMER SUPPORT If you are having difficulty assembling this product or if you have any question regarding the controls operation or maintenance of this unit please call the Customer Support Department You can reach them by calling 1 800 800 7310 Before you call make sure that you have your model and serial numbers ready By having the model and serial numbers ready you help the Customer Support Representative give you faster service To find your unit s model and serial number see SECTION 2 FINDING YOUR MODEL NUMBER SECTION 4 SET UP INSTRUCTIONS Hex Lock Nuts thrower is designed so that the bolts will shear Two replacement O lt 5 16 18 Thread shear bolts and nuts are provided for your convenience Store in Shear Bolts AUGER SHEAR BOLTS 5 16 18 x 1 1 2 Long The augers are secured to the auger shaft with two
33. use a burn Do not touch MAINTENANCE AND STORAGE Check shear bolts engine mounting bolts etc at frequent intervals for proper tightness to be sure equipment is in safe working condition Never store the machine with fuel in the fuel tank inside a building where ignition sources are present such as hot water and space heaters clothes dryers and the like Allow engine to cool before storing in any enclosure Always refer to operator s manual instructions for important details if snow thrower is to be stored for an extended period Run machine a few minutes after throwing snow to prevent freeze up of collector impeller Check clutch controls periodically to verify they engage and disengage properly and readjust if necessary Refer to operator s manual for adjustment instructions WARNING YOUR RESPONSIBILITY Restrict the use of this power machine to persons who read understand and follow the warnings and instructions in this manual and on the machine A DANGER SHUT OFF ENGINE BEFORE UNCLOG GING DISCHARGE CHUTE Figure 1 Safety Labels Found on Snow Thrower SECTION 2 FINDING YOUR MODEL NUMBER This Operator s Manual is an important part of your new snow thrower It will help you assemble prepare and maintain your snow thrower Please read and understand what it says Before you start to prepare your snow thrower for its first use please locate the model plate and copy the information from it in this Opera
34. ville washers cupped side goes against skid shoes and hex nuts To remove shave plate remove the carriage bolts Belleville washers and hex nuts which attach it to the snow thrower housing Reassemble new shave plate making sure heads of the carriage bolts are to the inside of the housing Tighten securely 11 BELT REMOVAL AND REPLACEMENT 1 WARNING Remove the spark plug wire from the spark plug and ground Drain gasoline from the fuel tank or place a piece of plastic film underneath the gas cap to prevent gasoline from leaking Auger Drive Belt To remove and replace either the auger drive belt or the drive belt proceed with the following instructions 1 Disconnect chute crank assembly at the discharge chute by removing the cotter pin and flat washer Remove the plastic belt cover on the front of the engine by removing three self tapping screws and flat washers See Figure 16 Beit f Cover i Self Tappin Screw Flat Washer Figure 16 3 Remove the large shoulder bolt and washer on the left hand side of the engine pulley with an adjustable wrench Refer to Figure 17 NOTE Reference to right hand or left hand side of machine are observed from the operating position 4 Remove the cotter pin and washer from the ferrule in order to disconnect the auger idler rod from the brake bracket assembly as shown in Figure 18 5 Slip the auger drive belt the front belt off the engine pulley Refer
35. wards idler to increase tension on belt out to decrease tension See Figure 18 NOTE The brake puck must always be firmly seated in the pulley groove when the auger clutch lever is in the disengaged position To Remove the Drive Belt e Unhook extension spring from the belt cover plate See Figure 17 Remove drive belt from the engine pulley and bottom drive pulley e Replace belt and reassemble in reverse order Reassemble the two halves of the unit hooking the lower portion of the auger housing over the stationary shoulder bolts in the frame assembly Secure the two halves with the two screws and lock washers Attach the Z fitting of the cable into the brake bracket assembly See Figure 18 Slip the auger drive belt over engine pulley Insert ferrule on auger idler rod into bracket bracket assembly and secure with flat washer and cotter pin Reassemble the large shoulder bolt and lock washer as shown in Figure 17 15 16 Reassemble belt cover and chute crank Remove plastic film from gas cap Changing the Friction Wheel The rubber on the friction wheel is subject to wear and should be checked after 25 hours of operation and periodically thereafter Replace the friction wheel rubber if signs of excessive wear or cracking are found 1 Drain the gasoline from the snow thrower or place a piece of plastic under the gas cap Tip the snow thrower up and forward so that it rests on th
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