MTD 614E Snow Blower User Manual
Contents
1. Traction Hairpin Clip Shift Rod Hairpin Figure 10 e Secure the ferrule to the shift arm assembly with the flat washer and hairpin clip Attaching Clutch Cables Boxed amp Crated Unit Hardware D Z fittings with jam nuts might be already inserted in each control lever on the handle panel at the factory To attach the cables to the Z fittings proceed as follows NOTE Two extra jam nuts are included in the hardware pack in the event either are lost during shipping e If Z fittings are not already attached thread hex nuts onto the Z fittings and insert Z fitting into hole in clutch grips See Figure 11 Cable Should Be Straight Figure 11 If Z fittings are already attached thread the jam nuts all the way up each of the Z fittings toward the handle panel e Make certain all cables are in the grooves of the cable roller guides in the lower rear of the unit one on each side Refer to Figure 9 Thread the coupling end of the cable onto the threaded portion of the Z fitting until the rubber bumper located on the underside of the clutch lever only lightly contacts the upper handle IMPORTANT The cable should have very little slack but should NOT be tight An overtightened cable may prohibit the auger and drive from disengaging WARNING Over tightening the cable A may prohibit the auger and drive from disengaging and compromise the safety of2. 20 Never run an engine indoors or in a poorly ventilated area Engine exhaust contains carbon monoxide an odorless and deadly gas Do not operate machine while under the influence of alcohol or drugs Muffler and engine become hot and can cause a burn Do not touch Exercise extreme caution when operating on or crossing gravel surfaces Stay alert for hidden hazards or traffic Exercise caution when changing direction and while operating on slopes Plan your snow throwing pattern to avoid discharge towards windows walls cars etc Thus avoiding possible property damage or personal injury caused by a ricochet Never direct discharge at children bystanders and pets or allow anyone in front of the machine Do not overload machine capacity by attempting to clear snow at too fast of a rate Never operate this machine without good visibility or light Always be sure of your footing and keep a firm hold on the handles Walk never run Disengage power to the auger impeller when transporting or not in use Never operate machine at high transport speeds on slippery surfaces Look down and behind and use care when in reverse If the machine should start to vibrate abnormally stop the engine disconnect the spark plug wire and ground it against the engine Inspect thoroughly for damage Repair any damage before starting and operating Disengage all clutch levers and stop engine before you leave the operating position behind the han
3. 3 784 5687A Auger Clutch Cable Bracket 27 684 0042C Friction Wheel Assembly 4 756 0625 Roller Cable 28 656 0012A Friction Disc Wheel 5 738 0924 Hex Screw 1 4 28 29 684 0013B Wheel Shift Rod Assembly 6 784 5630B Frame Assembly 30 746 0897 Drive Cable 7 741 0563 Ball Bearing 31 748 0190 Spacer 8 736 0105 Bell Washer 32 684 0021 Friction Wheel Bracket Assembly 9 1712 0116 Lock Jam Nut 33 732 0264 Extension Spring 10 741 4026 Hex Flange Bearing 34 1712 0711 Jam Nut 3 8 24 11 1736 0188 Flat Washer 35 746 0898B Drive Cable 12 784 5689A Front Support Guide Bracket 36 738 0869 Axle 13 Wheels 13 1710 0538 Lock Hex Screw 738 0830 Axle 16 Wheels 14 736 0242 Bell Washer 340 ID x 872 OD 37 790 00010 Friction Plate 15 1714 0474 Cotter Pin 38 735 0243B Friction Wheel Rubber 16 736 0160 Flat Washer 536 ID x 930 OD 39 718 0301A Friction Wheel Hub 17 710 0809 Hex Washer Screw 1 4 20 40 618 0063A Friction Wheel Bearing 18 784 5590 Frame Shift Bracket 41 710 1652 Tap Screw 1 4 20 19 784 5638A Frame Cover 42 712 0703A Insert Nut 5 16 18 20 710 1652 Hex Washer Screw 1 4 20 43 711 1364 Clevis Pin 21 736 0351 Flat Washer 760 ID x 50 OD 44 736 0142 Flat Washer 281 ID x 50 OD 22 717 1445 Gear 45 714 0507 Cotter Pin 23 714 0126 Key 46 790 00011 Friction Plate 24 717 04094 7 Tooth Shaft 47 716 0102 Snap Ring 27 Models 614E IMPORTANT For a
4. thrower thoroughly after each use 1 WARNING The muffler engine and their Set the skid shoes 1 4 below the scraper bar for SECTION 6 MAKING ADJUSTMENTS Q WARNING Never attempt to make any Tip the snow thrower so that it rests on the auger adjustments while the engine is running housing See Figure 19 except where specified in operator s Remove the frame cover underneath the snow manual thrower by removing six self tapping screws e When the traction control is released there must be Tire Pressure Pneumatic Tires clearance between the friction wheel and the drive i ae plate in all positions of the shift lever e The tires are overinflated for shipping purposes Before operating check tire pressure and reduce Frame Cover pressure to between 15psi and 20 psi NOTE f the tire pressure is not equal in both tires the unit may pull to one side or the other Traction Control and Shift Lever e To check the adjustment of the traction control clutch and shift lever proceed as follows e With the engine off move the shift lever all the way forward to the highest speed With the traction control lever released push the snow thrower forward The unit should roll forward Then engage the traction control grip The wheels should stop turning e Now release the traction control grip and push the unit again e Move the shift lever back to the fast reverse position then all the way forward again There should be no
5. 49 710 1003tt Hex Screw 17 705 5233A Clutch Lever Assy LH Black 50 712 0415tt Hex Nut 684 04054 Clutch Lever Assy LH Yellow 51 725 1300TTt Headlight 18 Watts 705 5234A Clutch Lever Assy RH Black 52 731 1317tt Headlight Cover 684 04053 Clutch Lever Assy RH Yellow 53 736 0242 Bell Washer 18 750 1032 Spacer 54 712 3068 Hex Patch Nut 5 16 18 19 735 0199A Rubber Bumper 55 736 0275 Flat Washer 344 ID x 688 OD 20 746 0778 Z Cable Fitting 56 747 0921 Shift Rod 21 705 5275 Lever Bracket LH 57 747 0620At Upper Shift Rod 22 712 0429 Lock Hex Nut 5 16 18 58 747 0621t Lower Shift Rod 23 736 0119 Lock Washer 5 16 59 750 0963tT Clutch Rod Connector 24 712 3010 Hex Nut 5 16 18 60 710 0449 Carriage Screw 5 16 18 25 705 5274 Lever Bracket RH 61 710 0643 Hex Cap Screw 5 16 18 26 749 0910C Handle RH 62 736 0451t Saddle Washer 320 ID x 93 OD 27 710 3103 Hex Cap Screw 5 16 18 x 2 0 63 749 0951t Lower Handle 28 710 0262 Carriage Bolt 5 16 18 x 1 50 64 749 0952At Upper Handle RH 29 684 0106 Control Panel Assy 65 749 0953AT Upper Handle LH t Models w Fold Down Handles Only Models 614E 644E amp 664G Drive Clutch Auger Clutch 26 Models 614E 644E amp 664G REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION 1 1710 0599 Hex Screw 25 715 0249 Roll Pin 2 784 5688 Drive Cable Guide Bracket 26 714 0143 Klik Pin
6. Clean Out Tool Mount 22 736 0169 Lock Washer 3 8 40 731 2643 Clean Out Tool 23 Models 614E 644E amp 664G O Y 24 tModels w Folding Handles Ref Nos 22 and 27 reversed for fold down handles Models 614E 644E amp 664G tt If Equipped 25 REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION 1 1712 0116 Jam Lock Nut 3 8 24 30 749 0911C Handle LH 2 732 0193 Compression Spring 34 784 5599 Handle Tab 3 1736 0105 Bell Washer 35 710 04039 Hex Cap Screw 5 16 18 x 2 0 4 784 5619A Shift Handle 36 710 1880 Hex Cap Screw 5 16 18 x 75 5 710 0459A Hex Cap Screw 3 8 24 37 736 0185 Flat Washer 6 710 0788 Tap Screw 1 4 20 38 731 04426 Upper Chute 7 714 0104 Cotter Pin 39 736 0159 5 16 Washer 8 720 0232 Shift Knob Black 40 710 0451 Carriage Bolt 5 16 18 x 75 720 04030 Shift Knob Yellow 41 710 04071 Carriage Screw 5 16 18 x 1 0 9 711 0677 Ferrule 42 720 0284 Knob Black 10 1726 0100 Push Cap 720 04032 Knob Yellow 12 720 0201A Crank Knob Black 43 731 1300B Lower Chute 720 04031 Crank Knob Yellow 44 712 3027 Hex Lock Nut 1 4 20 13 684 0022 Chute Crank Assembly 45 731 0851A Flange Keeper 14 1747 0697 Eyebolt 46 710 3015 Hex Cap Screw 1 4 20 x 75 735 0234 Grommet only 47 629 0058tt Round Light Harness 15 684 0008A Shift Arm Assy 48 710 1652tt Hex Tap Screw 1 4 20 x 625 16 1720 0274 Grip
7. clutch levers are in the disengaged released position e Move throttle control up to FAST position Insert ignition key into slot Make sure it snaps into place Do not turn key To NOTE Engine will not start unless ignition key is inserted into ignition slot in carburetor cover Electric Starter If Equipped e Determine that your house wiring is a three wire grounded system Ask a licensed electrician if you are not certain e If your house wiring system is not a three wire grounded system do not use this electric starter under any conditions WARNING The optional electric starter is equipped with a grounded three wire power cord and plug and is designed to operate on 120 volt AC household current It must be used with a properly grounded three prong receptacle at all times to avoid the possibility of electric shock Follow all instructions carefully prior to operating the electric starter A If your home electrical system is grounded but a three hole receptacle is not available one should be installed by a licensed electrician before using the electric starter If you have a grounded three prong receptacle proceed as follows e Connect power cord to switch box on engine Plug the other end of power cord into a three prong 120 volt grounded AC receptacle e Rotate choke knob to FULL choke position cold engine start If engine is warm place choke in OFF position instead of FULL Push primer but
8. gas tank See Figure 16 Skid Shoe The position of the skid shoe is determined by the condition of the ground from where snow has to be removed See Figure 16 Throttle Control The throttle control is located on the engine It regulates the speed of the engine and will shut off the engine when pushed down completely See Figure 16 SECTION 5 OPERATING YOUR SNOW THROWER Before Starting WARNING Read understand and A follow all instructions and warnings on the machine and in this manual before operating Gas amp Oil Fill Up Service the engine with gasoline and oil as instructed in the separate engine manual packed with your snow thrower Read instructions carefully WARNING Use extreme care when A handling gasoline Gasoline is extremely flammable and the vapors are explosive Never fuel the machine indoors or while the engine is hot or running Extinguish cigarettes cigars pipes and other sources of ignition e Aplastic cup is provided inside the fuel fill opening on the fuel tank Remove and discard this cup before filling up the tank Use the separate fuel tank cap to close after fill up Start Engine 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 e Make certain the fuel shut off valve if so equipped is in the OPEN vertical position e Make certain the auger and drive
9. mov ing parts have come to a complete stop Disconnect spark plug wire and ground it against the engine to prevent unintended starting A Lubrication Engine Refer to the separate engine manual packed with your unit for all engine lubrication instructions WARNING If any adjustments need to be made to the engine while the engine is running e g carburetor keep clear of all moving parts Be careful of muffler engine and other surrounding heated surfaces Gear Shaft e Lubricate the gear shaft with a good all weather multi purpose light grease at least once a season or after every 25 hours of operation IMPORTANT Keep all grease and oil off the friction wheel and drive plate Wheels e Oil or spray lubricant into bearings at wheels at least once a season Pull click pin remove wheels clean and coat axles with a multipurpose automotive grease See Figure 23 Click Pin Figure 23 Chute Directional Control e The worm gear on the chute directional control should be greased with multipurpose automotive grease Auger Shaft e Atleast once a season remove shear bolts on auger shaft Oil or spray lubricant inside shaft and lubricate the auger bearings See Figure 24 Vent Plug i Plastic Plastic Bearing Shear Bolts Bearing Figure 24 Drive and Shifting Mechanism Remove rear cover Oil any chains sprockets gears bearings shaf
10. operator s position and shut off the engine Wait for ALL moving parts to stop before re adjusting the auger control e To readjust the control cable loosen the hex jam nut on the auger control cable Z fitting e Rotate the coupling end of the cable counterclockwise to provide more slack e Retighten the hex jam nut See Figure 17 e Repeat Auger Control Test to verify proper adjustment has been achieved Cable Should Be Straight ____ gt Figure 17 Chute Clean Out Tool The chute clean out tool is conveniently fastened to the rear of the auger housing with a mounting clip Should snow and ice lodge itself in the discharge chute during operation proceed as follows to safely clean the chute and chute opening e Release both the Auger Control Lever and the Traction Auger Control Lock Lever Stop the engine by removing the ignition key e Remove the clean out tool from the clip which secures it to the rear of the auger housing e Use the shovel shaped end of the clean out tool to dislodge and scoop any snow and ice which has formed in and near the discharge chute WARNING Never use your hands to clean snow and ice from the discharge chute or auger housing A e Refasten the clean out tool to the mounting clip on the rear of the auger housing reinsert the ignition key and start the snow thrower s engine e While standing in the operator s position behind the snow thrower engage the aug
11. resistance in the shift lever and the wheels should keep turning e If you have resistance when moving the shift lever Figure 19 or the wheels stop when they should not loosen the jam nut on the traction control cable and unthread the cable one turn e If the wheels do not stop when you engage the traction control clutch grip loosen the jam nut on the traction control cable and thread the cable in one turn e Recheck the adjustment and repeat as necessary Tighten the jam nut to secure the cable when correct adjustment is reached WARNING Drain the gasoline out of A snow thrower engine place a piece of plastic film under the gas cap to avoid spillage before beginning the job Auger Housing To test further for correct adjustment if necessary proceed as follows e With the traction control is engaged the friction wheel must contact the drive plate See Figure 20 Figure 20 If adjustment is necessary e Loosen the jam nut on the traction control cable and thread the cable in or out as necessary e Retighten the jam nut to secure the cable when correct adjustment is reached e Reassemble the frame cover NOTE f you placed plastic under the gas cap earlier remove it now Chute Assembly The distance snow is thrown can be adjusted by changing the angle of the chute assembly To do so stop the engine by removing the ignition key and loosen the plastic wing knobs found on either side of the discharge chu
12. 1 4 20 x 50 15 710 0654A Hex Washer Screw 3 8 16 x 1 0 2 731 1324 Belt Cover 16 710 1245B Hex Lock Screw 5 16 24 x 875 3 710 3005 Hex Cap Screw 3 8 16 x 1 25 17 736 0242 Bell Washer 340 ID x 872 OD 4 1732 0710 Extension Spring 18 1736 0505 Flat Washer 341 ID x 50 OD 5 1710 0627 Hex Screw 5 16 24 x 75 19 1756 0967 Auger Pulley 6 05896A Drive Clutch Idler Bracket 20 756 0569 Pulley Half 7 748 0234 Shoulder Spacer 21 754 0430B V Belt 8 756 0987 Pulley Half 22 736 0247 Flat Washer 9 754 0346 Belt 23 736 0331 Bell Washer 39 ID x 1 13 OD 10 756 0986 Pulley Half 24 1710 0696 Hex Cap Screw 3 8 24 x 875 11 736 0270 Bell Washer 25 748 0360 Pulley Adapter 12 1710 0230 Hex Cap Screw 26 OEM 390 987 Electric Start 13 756 0313 Flat Idler 27 629 0071 Extension Cord Three Prong 14 712 0181 Lock Jam Nut 3 8 16 Models 614E 644E amp 664G REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION 1 1618 0123 Housing R H 10 721 0325 Plug 2 618 0124 Housing L H 11 721 0327 Oil Seal 3 710 0642 Hex Screw 1 4 20 x 75 12 736 0351 Flat Washer 4 711 0908A Spiral Axle 24 13 736 0369 Flat Washer 711 0910A Spiral Axle 28 14 736 0445 Flat Washer 5 1714 0161 Key 15 741 0662 Flange Bearing 6 715 0143 Spiral Pin 16 741 0663 Flange Bearing 7 717 0526 Worm Shaft 17 618 0120A Ass y Complete 24 8 717 0528 Worm Gea
13. HIFT ROD Z Fittings might be already attached to cables O O w C ATTACHING CHUTE DIRECTIONAL CONTROL Cupped Washer 736 0242 Eyebolt Not Shown 747 0697 Hex Nuts 712 3010 2 O ee FA Hairpin Clip 714 0104 Flat Washer 736 0185 1 Hex Nuts 712 0121 2 Z Cable Fitting ON LO 746 0778 2 FY gt R 00 Ferrule RER i 711 0677 Hairpin Clips Flat Washers 714 0104 2 736 0275 2 E ATTACHING THE CLUTCH GRIPS Hex Screws 710 3103 2 ATTACHING CHUTE ASSEMBLY Hex Lock Nuts Hex Bolts 710 3015 2 712 3027 6 JC ON JN gt ENI OC Chute Flange Keepers 731 0851A 3 Not Shown QO Spacer 750 1032 2 Hex Top L Nut 712 0429 2 ZAA FE es nd G REPLACEMENT SHEAR BOLTS Hex Lock Nuts 712 0429 2 Hex Bolts WZ WZ J NOTE The augers are secured to the spiral shaft with two shear bolts and hex lock nuts If you hit a hard foreign object or an ice jam the snow thrower is designed so that the bolts may shear Two replacement shear bolts and nuts are provided for your convenience Store in a safe place until needed SECTION 3 ASSEMBLING YOUR SNOW THROWER NOTE References to right or left side of the snow thrower are determined from behind the unit in the operating position The operator s position is defined as standing directly behind the snow thrower facing the handle panel NOTE Th
14. MODELS 614E 644E amp 664G 22 Models 614E 644E amp 664G REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION 1 712 0116 Lock Jam Nut 3 8 24 23 712 0798 Hex Nut 3 8 16 2 756 0178 Flat Idler 24 784 5580 Slide Shoe 3 784 5632B Auger Idler Arm 25 784 5581A 24 Shave Plate 4 710 0459A Hex Cap Screw 3 8 24 x 1 50 784 5582A 28 Shave Plate 5 741 0475 Bushing 26 684 0065 Impeller Assembly 6 736 0242 Bell Washer 27 1715 0114 Pin 7 712 3010 Hex Nut 5 16 18 28 618 0120A 24 Gear Assembly 8 712 3027 Hex Lock Nut 1 4 20 618 0122A 28 Gear Assembly 10 705 5226 Reinforcement Chute 29 1710 0726 Hex Washer Screw 5 16 12 11 731 1379C Chute Adapter 30 784 5618 Bearing Housing 12 710 0703 Carriage Screw 1 4 20 x 62 31 741 0245 Hex Flange Bearing 13 1710 0451 Carriage Bolt 5 16 18 32 736 0188 Flat Washer 14 738 0281 Shoulder Screw 33 741 0493A Flange Bushing 15 736 0167 Flat Washer 34 605 5188A Spiral 24 RH 16 1712 3010 Hex Nut 5 16 18 605 5196A Spiral 28 RH 17 732 0611 Extension Spring 35 605 5189A Spiral 24 LH 18 736 0119 Lock Washer 5 16 605 5197A Spiral 28 LH 19 05931A Bearing Housing 36 710 0890A Shear Bolt 5 16 18 x 1 5 20 741 0309 Ball Bearing 37 1712 0429 Lock Nut 5 16 18 21 684 0039D 24 Housing Assembly 38 784 5647 Chute Directional Control Bracket 684 0041D 28 Housing Assembly 39 731 2635
15. Operator s Manual Snow Thrower Models 614E 644E 664G Model 664 Shown 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 361131 Cleveland Ohio 44136 0019 MTD LLC P O BOX 361131 CLEVELAND OHIO 44136 0019 PRINTED IN U S A FORM NO 770 10045G 5 2003 TABLE OF CONTENTS Content Page Important Safe Operation Practices cccceceeeeeeeeeeeeeeeeeeaeeeeeeeeseeeeeseeeeeeaees 3 Hardware PACK core ondes seadee deweadisdewwenstds Gehan deere eee ede 5 Assembling Your Snow Thrower 2 ccceccceeeeeeeeeeeeeeeeaeeseneeeesaeeeeeneeessaeeeseneeetaas 6 Know Your SNOW THrOWEDM ccccececeecceeeeeeeeeeeeeeeeeaaeeeeeeeeeeaeeeseneesecaeeeseaaeeenaees 11 Operating Your SNOW THrOWED cc
16. To align the spiral on the chute directional control you may have to loosen the carriage bolts and hex lock nuts securing lower chute bracket to the extension on the left side of the chute assembly See Figure 14 Insert the end of the control into the hole in the plastic bushing in the lower chute bracket Place the flat washer on the end of the chute directional control and insert hairpin clip into hole in the end of control See Figure 14 Adjust the chute bracket so that the spiral on the chute directional control fully engages the teeth on the chute assembly Tighten nuts on the lower chute bracket securely Tighten hex nut on the eye bolt on chute directional control Carriage Lower Chute Bracket Chute Hairpin Directional Control Lower Chute Bracket Figure 14 Lamp Wiring i Equipped NOTE A lamp is an optional feature of some model snow throwers and is NOT standard equipment On models so equipped a lamp will either be installed on the dash panel at the factory OR packaged separately as a Kit within the carton depending on the model e If so equipped wrap the wire from the lamp down the right handle until the wire can be plugged into the alternator lead wire located under the fuel tank See Figure 15 Lamp wire must not interfere with any controls or cables W Tan Lower Handle Alternator Lead ve Figure 15 If your unit is not equipped with a lamp contact Cus
17. been assembled See Figure 30 Friction Wheel Disc Wy Friction Wheel a XR ET Drive Belt J Support Bracke Figure 30 Friction Wheel Rubber Replace the friction wheel rubber if any signs of wear or cracking are found Follow instructions below to replace the rubber e Tip the snow thrower up and forward so that it rests on housing Refer to Figure 19 e Remove six self tapping screws from the frame cover underneath the snow thrower e Remove the click pins which secure the wheels and remove the wheels from the axle e Using a wrench to hold the shaft loosen but do not completely remove the hex nut and bell washer on the left end of gear shaft See Figure 31 d e Lightly tap the hex nut to dislodge the ball bearing from the right side of the frame Remove the hex nut and bell washer from the left end of the shaft Slide the gear shaft to the right then slide the friction wheel assembly from the shaft Remove the four screws from the friction wheel assembly See Figure 32 Remove the friction wheel rubber from between the friction wheel plate _Reassemble new friction wheel rubber to the friction wheel assembly tightening the four screws in rotation and with equal force See Figure 32 Screws Friction Wheel Rubber Friction a Plates I Figure 32 e Slide friction wheel assembly back onto the gear shaft Be sure to align the pin on the shift rod with hole in the fr
18. dles Wait until the auger impeller comes to a complete stop before unclogging the discharge chute making any adjustments or inspections Never put your hand in the discharge or collector openings Always use the clean out tool provided to unclog the discharge opening Do not unclog discharge chute while engine is running Shut off engine and remain behind handles until all moving parts have stopped before unclogging Use only attachments and accessories approved by the manufacturer e g wheel weights tire chains cabs etc If situations occur which are not covered in this manual use care and good judgment Contact your dealer or telephone 1 800 800 7310 for assistance and the name of your nearest servicing dealer tC o LL 5 a lt ROTATING PARTS CAN AMPUTATE FINGERS AND HANDS USE CLEAN OUT TOOL TO UNCLOG DISCHARGE CHUTE e DO NOT UNCLOG DISCHARGE CHUTE WHILE HANDLES UNTIL ALL MOVING PARTS HAVE STOPPED BEFORE UNCLOGGING ENGINE IS RUNNING e SHUT OFF ENGINE AND REMAIN BEHIND T z tx wi oS zZ 5 a cc Len gt Lad z e eee AND STORAGE 10 11 A f AVMV ONIHLOTO ONY Never tamper with safety devices Check their proper operation regularly Refer to the maintenance and adjustment sections of this manual Before cleaning repairing or inspecting machine disengage all clutch levers and stop engine Wait until the auger impe
19. e oil through spark plug hole into cylinder Cover spark plug hole with rag Crank engine several times to distribute oil Replace spark plug e Follow the lubrication recommendations found in the Maintenance Section Always store the snow thrower in a clean dry area 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 9 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 if so equipped Fill tank with clean fresh gasoline 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 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 Clean fuel line fill tank with clean fresh gasoline Fuel will not last over thirty days unless a fuel stabilizer is used Drai
20. ececceeeeeeeeeeeeeeeaeeeeeeeeecaeeeseaaeseeaeeeseaeeeeaees 12 Making AdjUStMents essiri nnana enn nnan ANRA NAAA ENESA AAAS 15 Maintaining Your Snow Thrower cccccceeeeceeeeeeeeeeaeeeeeeeeeeaaeeeeeneesecaeeeseaeesenaees 17 ETATE e A E A ere 18 TROUDIGSMOOTING siiani era aE SE N AEN NEERA 21 PANS RISE EE E AE E N E E E tect REE SENE A SNERE 22 FINDING MODEL NUMBER This Operator s Manual is an important part of your new snow thrower It will help you assemble prepare and maintain the unit for best performance Please read and understand what it says Before you start assembling your new equipment please locate the model plate on the equipment and copy the information from it in the space provided below The information on the model plate is very important if you need help from our Customer Support Department or an authorized dealer You can locate the model number by standing behind the unit in the operating position and looking down at the rear frame below the engine A sample model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below Copy the model number here MTD LLC Copy the serial number here P 0 BOX 361131 CLEVELAND OH 44136 ForA Growing World ForA Growing World World 330 220 4683 www midproducts com 800 800 7310 ENGINE INFORMATION The engine manufacturer is responsible for all engine related issues w
21. er clutch lever for a few seconds to clear any remaining snow and ice from the discharge chute Drift Cutters it Equipped Drift cutters should be used when operating the snow thrower in heavy drift conditions On models so equipped drift cutters are assembled to the auger housing inverted Remove the carriage bolts by unthreading the hex nuts which secure them and reinstall the drift cutters in their proper position before operating the snow thrower See Figure 18 Cutter Carriage Screws Hex Nuts Figure 18 If your unit is not equipped with drift cutters contact Customer Support as instructed on page 2 for information regarding price and availability Snow Thrower Model Drift Cutter Kit All models OEM 390 679 Tire Chains if Equipped Tire chains should be used whenever extra traction is needed If your unit is not equipped with tire chains contact Customer Support as instructed on page 2 for information regarding price and availability 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 surrounding areas become hot and can normal usage The skid shoes may be adjusted cause a burn Do not touch upward for hard packed snow Adjust downward i when using on gravel or crushed rock e Discharge snow downwind whenever possible e Avoid possible starter freeze up Clean the snow Slightly overlap each previous swath
22. he rod does not come into contact with the engine by moving the hex nut against the handle if necessary Retighten the wing nut to secure the directional control in this position Slide the connector down over the end of the lower shift rod See Figure 4 Tap the connector until it locks on the lower shift rod If the connector is not properly assembled the shift rod will pivot and you will not be able to change speeds or change directions Figure 4 Thread the jam nuts all the way up each of the z fittings toward the handle panel See Figure 11 e Make certain all cables are in the grooves of the cable roller guides located in the lower rear of the unit one on each side See Figure 9 e Thread the coupling end of the cable onto the threaded portion of the Z fitting until the rubber bumper located on the underside of the clutch lever only lightly contacts the upper handle IMPORTANT The cable should have very little slack but should NOT be tight An overtightened cable may prohibit the auger and drive from disengaging WARNING Over tightening the cable may A prohibit the auger and drive from disengaging and compromise the safety of the snow thrower Do NOT overtighten the cable e Once properly adjusted tighten the jam nut against the coupling end of the cable to lock it in position Refer to Auger Control Test on page 13 prior to operating your snow thrower Read and follow all in
23. iction wheel assembly See Figure 29 e Reassemble gear shaft and the wheels Reattach the frame cover Flip snow thrower back to its operating position and remove any plastic from under the machine or around the gas cap if you had put it earlier Off Season Storage A A WARNING Never store the machine or fuel container indoors where there is an open flame spark or pilot light such as on a water heater furnace clothes dryer or other gas appliances WARNING Drain fuel into an approved container outdoors away from open flame Allow engine to cool Extinguish cigarettes cigars pipes and other sources of ignition prior to draining fuel Fuel left in engine for extended period deteriorates and will cause serious starting problems If unit is to be stored over 30 days prepare for storage as follows e Remove gasoline from carburetor and fuel tank to prevent gum deposits from forming on these parts and causing possible malfunction of engine e Runengine until fuel tank is empty and engine stops due to lack of fuel e Drain carburetor by pressing upward on bowl drain located below the carburetor cover NOTE Fuel stabilizer or Sta Bil Included with certain units is an acceptable alternative in minimizing the formation of fuel gum deposits during storage Do not drain carburetor if using fuel stabilizer e Wipe equipment with an oiled rag to prevent rust e Remove spark plug and pour one ounce of engin
24. id slipping or falling especially when operating in reverse PREPARATION 1 Thoroughly inspect the area where the equipment is to be used Remove all doormats newspapers sleds boards wires and other foreign objects which could be tripped over or thrown by the auger impeller 2 Always wear safety glasses or eye shields during operation and while performing an adjustment or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes 3 Do not operate without wearing adequate winter outer garments Do not wear jewelry long scarves or other loose clothing which could become entangled in moving parts Wear footwear which will improve footing on slippery surfaces 4 Use a grounded three wire extension cord and receptacle for all units with electric start engines 5 Adjust collector housing height to clear gravel or crushed rock surfaces 6 Disengage all clutch levers before starting the engine 7 Never attempt to make any adjustments while engine is running except where specifically recommended in the operator s manual Let engine and machine adjust to outdoor temperature before starting to clear snow To avoid personal injury or property damage use extreme care in handling gasoline Gasoline is extremely flammable and the vapors are explosive Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite Wash your skin and change clothes im
25. is Operators Manual covers several models Snow thrower features vary by model Not all features discussed in this manual are applicable to all snow thrower models Unpacking Crate Remove screws from the top sides and ends of the shipping crate e Set panel aside to avoid tire punctures or personal injury Remove and discard plastic bag that covers unit Remove any loose parts included with unit i e Operator s Manual etc e Roll unit out of crate Remove staples or break glue on top flaps of the carton Remove any loose parts included with unit i e operator s manual etc e Cut corners of the carton and lay ends down flat Remove packing material e Roll unit out of carton Check carton thoroughly for loose parts before discarding Loose Parts Crated Unit The augers are secured to the auger shaft with two shear bolts and hex lock nuts If you hit a foreign object or ice jam the snow thrower is designed so that the bolts may shear Two replacement shear bolts and nuts are provided for your convenience Store in a safe place until needed See Figure 1 eye Bolts SR Lock Nuts Figure 1 Loose Parts Boxed Unit Listed below are the parts of the snow thrower packed loose with units that come unassembled in a box You willneed these parts along with hardware from the hardware pack illustrated on the previous page to assemble the equipment Identify the loose parts before pr
26. ith regards to performance power rating specifications warranty and service Please refer to the engine manufacturer s Owner s Operator s Manual packed separately with your unit for more information CALLING CUSTOMER SUPPORT Please do NOT return the unit to the retailer from which it was purchased without first contacting Customer Support Should you have difficulty assembling this product or have any questions regarding the controls operation or maintenance of this unit please call the Customer Support Department Call 1 330 220 4MTD 4683 or 1 800 800 7310 to reach a Customer Support Vi representative Please have your unit s model number and serial number ready when you call A See previous section to locate this information You will be asked to enter the serial number in order to process your call For more details about your unit visit our website at www mtdproducts com 2 SECTION 1 IMPORTANT SAFE OPERATION PRACTICES T This symbol points out important safety instructions which if 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 this machine Failure to comply with these instructions may result in personal injury When you see this symbol heed its warning contain or emit chemicals known to the State of California to cause cancer birth defects or 1 WARNING Engine Exhaust some of its co
27. ller come to a complete stop Disconnect the spark plug wire and ground against the engine to prevent unintended starting Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition Also visually inspect machine for any damage Do not change the engine governor setting or over speed the engine The governor controls the maximum safe operating speed of the engine Snow thrower shave plates and skid shoes are subject to wear and damage For your safety protection frequently check all components and replace with original equipment manufacturer s OEM parts only Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety Check clutch controls periodically to verify they engage and disengage properly and adjust if necessary Refer to the adjustment section in this operator s manual for instructions Maintain or replace safety and instruction labels as necessary Observe proper disposal laws and regulations for gas oil etc to protect the environment Prior to storing run machine a few minutes to clear snow from machine and prevent freeze up of auger impeller Never store the machine or fuel container inside where there is an open flame spark or pilot light such as a water heater furnace clothes dryer etc Always refer to the operator s manual for proper instructions on off season storage WARNING Rest
28. lt be certain Fira a to check the condition of the other belt ails y e Remove the plastic belt cover on the front of the engine by removing the two self tapping screws See Figure 27 e Drain the gasoline from the snow thrower or place a piece of plastic under the gas cap e Tip the snow thrower up and forward so that it rests Support on the au Bracket Self Tapping S K ID I Support Bracket Spring I Housing Figure 29 e Unhook the support bracket spring from the frame i ees ar NOTE t may be necessary to loosen the six hex nuts Remove six self tapping screws from the frame that fasten the frame to the auger housing to aid in belt cover underneath the snow thrower removal e Lift the rear auger belt from the auger pulley and slip belt between the support bracket and the auger pulley Repeat this step to remove the front auger belt See Figure 29 Reassemble auger drive belt s by following instructions in reverse order Drive Belt e Follow first four steps of previous instructions e Pull idler pulley up and lift belt off engine pulley and friction wheel disc See Figure 28 e Using a wrench loosen the nut on the stop bolt until the support bracket rests on the auger pulley See Figure 30 e Slip belt between friction wheel and friction wheel disc Remove and replace belt Reassemble in reverse order NOTE The support bracket must rest on the stop bolt after the new belt has
29. mble new skid shoes with the four carriage bolts cupped washers cupped side goes against skid shoes and hex nuts See Figure 26 e To remove shave plate remove the carriage bolts cupped washers and hex nuts which attach it to the snow thrower housing Reassemble new shave plate making sure heads of carriage bolts are to the inside of housing Tighte a Skid Shoe Carriage Bolts Shave Plate Figure 26 Augers e Roll the front and rear auger belts off the engine ulley See Figure 28 The augers are secured to the spiral shaft with two ES g shear bolts and hex lock nuts If you hit a hard Drive Belt foreign object or ice jam the snow thrower is e Drive designed so that the bolts may shear 7 Pulley Refer to Figure 24 e If the augers will not turn check to see if the bolts have sheared 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 IMPORTANT NEVER replace the auger shear bolts with standard hex bolts Any damage to the auger gearbox or other components as a result of doing so will NOT be covered by your snow thrower s warranty Belt Removal and Replacement Figure 28 Auger Belts Unhook the idler spring from the hex bolt on the NOTE It is necessary to remove both belts in order to auger housing See Figure 29 change either one If changing just one be
30. mediately a Use only an approved gasoline container b Extinguish all cigarettes cigars pipes and other sources of ignition c Never fuel machine indoors d Never remove gas cap or add fuel while the engine is hot or running e Allow engine to cool at least two minutes before refueling f Never over fill fuel tank Fill tank to no more than 12inch below bottom of filler neck to provide space for fuel expansion g Replace gasoline cap and tighten securely h If gasoline is spilled wipe it off the engine and equipment Move machine to another area Wait 5 minutes before starting the engine i Never store the machine or fuel container inside where there is an open flame spark or pilot light e g furnace water heater space heater clothes dryer etc j Allow machine to cool at least 5 minutes before storing OPERATION 1 Do not put hands or feet near rotating parts in the auger impeller housing or discharge chute Contact with the rotating parts can amputate hands and feet The auger impeller clutch lever is a safety device Never bypass its operation Doing so makes the machine unsafe and may cause personal injury The clutch levers must operate easily in both directions and automatically return to the disengaged position when released Never operate with a missing or damaged discharge chute Keep all safety devices in place and working 10 11 12 13 14 15 16 17 18 19
31. n fuel tank Refill with fresh fuel Refer to the engine manual 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 Incorrect fuel mixture Exhaust port plugged Clean following the 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 Drain fuel tank Refill with proper fuel mixture 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 Replace drive belt 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 housing Stop engine immediately and disconnect spark plug wire Remove object from auger Adjust drive cable Replace drive belt NOTE For repairs beyond the minor adjustments above contact your local authorized service dealer 21 SECTION 10
32. nd the augers will turn Release it and the augers will stop e Squeeze traction control grip and the snow thrower will move Release it and drive motion will stop NEVER move shift lever without releasing drive clutch To To Engage Augers To engage the augers and start throwing snow squeeze the auger control grip against the left handle Release to stop the augers Auger Control Test IMPORTANT Perform the following test before operating your snow thrower for the first time and at the start of each winter season Check the adjustment of the auger control as follows e When the auger control is released and in the disengaged up position the cable should have very little slack It should NOT be tight e Inawell ventilated area start the snow thrower engine as instructed earlier in this section under the heading Starting Engine Make sure the throttle is set in the FAST position e While standing in the operator s position behind the snow thrower engage the auger e Allow the auger to remain engaged for approximately ten 10 seconds before releasing the auger control Repeat this several times e With the engine running in the FAST position and the auger control lever in the disengaged up position walk to the front of the machine e Confirm that the auger has completely stopped rotating and shows NO signs of motion IMPORTANT If the auger shows ANY signs of rotating immediately return to the
33. nstituents and certain vehicle components other reproductive harm A DANGER This machine was built to be operated according to the rules for safe operation in this manual As with any type of power equipment carelessness or error on the part of the operator can result in serious injury This machine is capable of amputating hands and feet and throwing objects Failure to observe the following safety instructions could result in serious injury or death TRAINING 1 Read understand and follow all instructions on the machine and in the manual s before attempting to assemble and operate Keep this manual in a safe place for future and regular reference and for ordering replacement parts 2 Be familiar with all controls and their proper operation Know how to stop the machine and disengage them quickly 3 Never allow children under 14 years old to operate this machine Children 14 years old and over should read and understand the operation instructions and safety rules in this manual and should be trained and supervised by a parent 4 Never allow adults to operate this machine without proper instruction 5 Thrown objects can cause serious personal injury Plan your snow throwing pattern to avoid discharge of material toward roads bystanders and the like 6 Keep bystanders helpers pets and children at least 75 feet from the machine while it is in operation Stop machine if anyone enters the area 7 Exercise caution to avo
34. ny resulting damage Normal wear parts or components thereof are subject to sep arate terms as follows All normal wear parts or component failures will be covered on the product for a period of 90 days regardless of cause After 90 days but within the two year period normal wear part failures will be covered ONLY IF caused by defects in materials or workmanship of OTHER component parts Normal wear parts and components include but are not limited to batteries belts blades blade adapters grass bags rider deck wheels seats snow thrower skid shoes shave plates auger spiral rubber tires HOW TO OBTAIN SERVICE Warranty service is available WITH PROOF OF PURCHASE through your local autho rized service dealer To locate the dealer in your area check your Yellow Pages or contact MTD LLC at P O Box 361131 Cleveland Ohio 44136 0019 1 800 800 7310 1 330 220 4683 or log on to our Web site at www mtdproducts com This limited warranty does not provide coverage in the follow ing cases a The engine or component parts thereof These items carry a separate manufacturer s warranty Refer to the applicable manufacturer s warranty for terms and condi tions b Log splitter pumps valves and cylinders have a sepa rate one year warranty c Routine maintenance items such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish d
35. o help prevent possible freeze up of starter proceed as follows Electric Starter If equipped e 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 spinning the starter will not harm engine or starter Disconnect the power cord from receptacle first and then from switch box Recoil Starter e 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 engine or starter e To stop engine move throttle control to stop or off position e Remove the ignition key Do not turn key e 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 e 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 Engage Drive With the engine running near top speed move shift lever into one of the five 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 e Squeeze the auger control grip a
36. oceeding to assemble See Figure 2 Handle Panel a Right Clutch Bracket Left Handle Extension Cord ute Directional Discharge Control Chute Figure 2 Right and Left Handles Handle Panel Assembly Right and Left Clutch Brackets Discharge Chute Chute Directional Control Shift Rod Auger and Traction Controls Hardware Pack Extension Cord If Equipped 9 0080 OV GOIN EE NOTE Follow the Assembly instructions below per the packaging of your unit So if your unit came in a box proceed to page 7 Assembly Boxed Unit Assembly Crated Unit 1 WARNING Disconnect the spark plug wire and ground it against the engine to prevent unintended starting Remove the lower two plastic wing knobs cupped washers and carriage bolt eyebolt on the left side from the lower handle See Figure 3 Wing Knobs Washers and Bolts S A Figure 3 e Raise the upper handle assembly until it locks over the lower handle See Figure 4 e Observe the lower rear area of the snow thrower to be sure both cables are aligned with roller guides e Secure the upper handle and lower handle with the two plastic wing knobs cupped washers and carriage bolt eyebolt on the left side previously removed See Figure 4 Hairpin Clip Hex Nut Connector Wing Knobs i e Adjust the eyebolt on the chute directional control so t
37. proper working machine use Factory Approved Parts V BELTS are specially designed to engage and disengage safely A substitute non OEM V Belt can be dangerous by not disengaging completely REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION 1 710 1652 Hex Washer Screw 1 4 20 x 5 14 710 1245B Lock Cap Screw 5 16 24 2 731 1324 Belt Cover 15 712 0181 Lock Jam Nut 3 8 16 3 732 0339 Extension Spring 16 756 0569 Pulley Half 4 710 0627 Hex Screw 5 16 24 x 75 17 1736 0242 Bell Washer 5 710 3005 Hex Cap Screw 3 8 16 x 1 25 18 736 0505 Flat Washer 6 05896A Drive Clutch Bracket 19 736 0507 Washer 7 748 0234 Shoulder Spacer 20 754 0430B Belt 8 756 0985 Pulley Half 21 756 0967 Auger Pulley 9 754 0343 V Belt 22 736 0247 Flat Washer 10 756 0984 Pulley Half 23 736 0331 Bell Washer 11 736 0270 Bell Washer 24 710 0696 Hex Cap Screw 3 8 24 12 710 0230 Hex Cap Screw 1 4 28 x 50 25 748 0360 Pulley 13 756 0313 Flat Idler 26 710 0654A Hex Washer Screw 3 8 16 x 1 0 28 27 Models 644E amp 664G IMPORTANT For a proper working machine use Factory Approved Parts V BELTS are specially designed to engage and disengage safely A substitute non OEM V Belt can be dangerous by not disengaging completely REF PART REF PART NO NO DESCRIPTION NO NO DESCRIPTION 1 710 1652 Hex Washer Screw
38. r 618 0122A Ass y Complete 28 9 718 0186 Thrust Collar 5 Wheel Assembly SIZE REF NO 1 REF NO 2 REF NO 3 REF NO 4 REF NO 5 REF NO 6 WHEEL ASS Y TIRE AIR RIM SLEEVE SPACER COMPLETE ONLY VALVE ONLY BEARING 2 13x4 634 0114A 734 1732 734 0255 734 1713A 741 0401 731 04044 13x5 734 1714A 734 1527 734 0255 734 1713A 741 0401 731 04044 16 5 x 4 8 734 1709A 734 1530 734 0255 734 1708A 741 0401 731 04043 30 MANUFACTURER S LIMITED WARRANTY FOR ForA Growing World MTD The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States its possessions and territories MTD LLC warrants this product against defects for a period of two 2 years commencing on the date of original purchase and will at its option repair or replace free of charge any part found to be defective in materials or workmanship This limited warranty shall only apply if this product has been oper ated and maintained in accordance with the Operator s Man ual furnished with the product and has not been subject to misuse abuse commercial use neglect accident improper maintenance alteration vandalism theft fire water or dam age because of other peril or natural disaster Damage result ing from the installation or use of any accessory or attachment not approved by MTD LLC for use with the prod uct s covered by this manual will void your warranty as to a
39. rict the use of this power machine to persons who read understand and follow the warnings and instructions in this manual and on the machine ADANGER KEEP AWAY FROM ROTATING IMPELLER AND AUGER CONTACT WITH IMPELLER OR AUGER CAN AMPUTATE HANDS AND FEET USE CLEAN OUT TOOL TO UNCLOG DISCHARGE CHUTE DISENGAGE CLUTCH LEVERS STOP ENGINE AND REMAIN BEHIND HANDLES UNTIL ALL MOVING PARTS HAVE STOPPED BEFORE UNCLOGGING OR SERVICING MACHINE TO AVOID THROWN OBJECTS INJURIES NEVER DIRECT DISCHARGE AT BYSTANDERS USE EXTRA CAUTION WHEN OPERATING ON GRAVEL SURFACES READ OPERATOR S MANUAL CLEAN OUT TOOL 1334 SGNVH d34 HJONV ONILVLOY WOYs AHNFNI GIOAV SECTION 2 CONTENTS OF HARDWARE PACK Boxed Units Lay out the hardware according to the illustration below for identification purposes Part numbers are shown in parentheses Hardware pack may contain extra items which are not used on your unit ATTACHING THE HANDLES Lock Washers 736 0119 4 Hex Bolts a 710 04039 2 Q Q 710 1880 2 Saddle 784 5599 2 Hex Bolts B ATTACHING HANDLE PANEL Carriage Bolts 710 0262 4 Teor a ae J J J o Hex Patch Nuts 712 3068 4 Cupped Washers N Q 736 0242 4 ATTACHING CLUTCH CABLES AND S
40. right handle Squeeze the traction control grip to engage the wheel drive Release to stop Chute Directional Control The chute directional control is located on left side of the snow thrower See Figure 16 To change the direction in which snow is thrown turn chute directional control as follows e Crank clockwise to discharge to the left e Crank counterclockwise to discharge to the right Clean Out Tool WARNING Never use your hand to A clear a clogged discharged chute Shut off engine and remain behind handles until all moving parts have stopped before unclogging The chute clean out tool is fastened to the top of the auger housing with a mounting clip The tool is designed to clear a clogged discharged chute Refer to Operating Your Snow Thrower section for more detailed information regarding the chute clean out tool See Figure 16 NOTE This item is fastened with a cable tie to the rear of the Auger Housing at the factory Cut the cable tie before operating the snow thrower Safety Ignition Key The safety ignition key must be fully inserted in the switch before the unit will start Remove the ignition key when the snow thrower is not in use See Figure 16 IMPORTANT Do NOT turn the ignition key in an attempt to start the engine Doing so may cause it to break Fuel Shut off Valve optional Equipment On models so equipped the fuel shut off valve located under fuel tank controls fuel flow from the
41. structions carefully and perform all adjustments to verify your snow thrower is operating safely and properly Assembly Boxed Unit T WARNING Disconnect the spark plug wire and ground it against the engine to prevent unintended starting Attaching Handle Assembly Hardware Group A B and E e Attach left handle and left clutch bracket to handle panel with two carriage bolts cupped washers and hex patch nuts Be sure the bend in the grip bracket is towards the center of the handle panel Do not tighten at this time See Figure 5 Handle Panel Left Bracket Carriage __ Bolts Left Handle Curves in Bell Washers Figure 5 Insert curved end of the Z fitting into the top hole in the triangular metal tab on the auger control grip The triangular metal tab on the auger control grip must face the center of the handle panel See Figure 6 Triangle Metal Tab Z Fitting Triangle Metal Tab Figure 6 Place the auger control on top of the left handle The triangular metal tab must be between the handle and the bracket See Figure 6 Secure with hex bolt spacer and hex lock nut Do not overtighten this bolt as it will prevent the control from automatically returning to their upright position See Figure 7 Auger Control Left Left Bracket Handle Hex Lock Nut Spacer Hex Bolt g Handle Panel Z Fit
42. te Pivot the chute upward or downward before re tightening the wing knobs Auger Control Refer to Auger Control Test in the Operating Section to adjust the auger control Skid Shoes The space between the shave plate and the ground can be adjusted See Figure 21 For close snow removal on a smooth surface raise skid shoes higher on the auger housing e Use a middle or lower position when the area to be cleared is uneven Figure 21 WARNING Do not operate this snow thrower on gravel as loose gravel can be easily picked up and thrown by the auger causing injury to the operator and or damage to the snow thrower A e Adjust skid shoes by loosening the four hex nuts and carriage bolts Move skid shoes to desired position e Make certain the entire bottom surface of skid shoe is against the ground to avoid uneven wear on the skid shoes Retighten nuts and bolts securely Carburetor e Minor carburetor adjustment may be required to compensate for differences in fuel temperature altitude and load e Refer to the separate engine manual packed with your unit for carburetor adjustment information WARNING If any adjustments need to A be made to the engine while the engine is running e g carburetor keep clear of all moving parts Be careful of muffler engine and other surrounding heated surfaces Adjusting Shift Rod e Remove the hairpin clip and flat washer from the ferrule and remove
43. the ferrule from the shift lever Place the shift lever in the fastest forward speed position e Push down on the shift arm assembly as far as it will go Thread the ferrule up or down the shift rod and align it with the hole closest to the shift knob on the narrow side of the shift lever assembly behind the handle panel Refer to Figure 10 NOTE Make certain to check for correct adjustment of the shift rod as instructed in the Final Adjustments section before operating the snow thrower Drive Wheels The wheels may be adjusted for two different methods of operation Follow the steps below for adjustment See Figure 22 Inside Hole In Axle Click Pin In Outside Hole Figure 22 One Wheel Driving e On the right side of the unit place click pin in the outside axle hole only Do not place pin through wheel hub This position gives power drive to the left wheel only making the unit easier to maneuver Both Wheels Driving e Rotate wheel assembly to align hole in the hub with the inner hole on the axle shaft Insert click pin in the hole Outer axle shaft hole should be visible IMPORTANT NEVER operate the snow thrower with the click pin inserted through both the RIM and the OUTSIDE HOLE in the axle Doing so can result in serious damage to the drive system SECTION 7 MAINTAINING YOUR SNOW THROWER WARNING Before lubricating repair ing or inspecting disengage all clutch levers and stop engine Wait until all
44. the snow thrower Do NOT overtighten the cable e Once properly adjusted tighten the jam nut against the coupling end of the cable to lock it in position NOTE Refer to Auger Control Test in the Operation Section prior to operating your snow thrower Read and follow all instructions carefully and perform all adjustments to verify your snow thrower is operating safely and properly Attaching the Chute Assembly Hardware F Place chute assembly over chute opening with the opening in the chute assembly facing the front of the unit Place chute flange keepers beneath lip of chute assembly with the flat side of chute flange keeper facing downward See Figure 12 e Insert hex bolt up through chute flange keeper and chute assembly and secure with hex lock nut After assembling all three chute flange keepers tighten all nuts and bolts securely Do not overtighten Chute Assembly Hex Lock Nut Chute Flange Keeper Figure 12 NOTE Lock nuts cannot be threaded onto a bolt by hand Tighten with two 7 16 or adjustable wrenches Attaching The Chute Directional Control Hardware C Thread one hex nut about halfway onto eye bolt on the chute directional control Insert eye bolt through the hole provided in the left handle See Figure 13 Secure with cupped washer cupped side against the handle and other hex nut Do not tighten until after attaching the other end of the chute directional control Figure 13
45. ting Figure 7 Handle Panel amp Handles Repeat process for the right side Traction Control Lay handle assembly behind snow thrower See Figure 8 Insert a hex bolt 3 4 long and lock washer through the lower hole on the bottom of the handle Hold the handle assembly up to the bottom of the snow thrower frame and thread the hex bolt into the lower hole in snow thrower frame Do not tighten at this time See Figure 8 Repeat process on the other side eg SS es 8 Ed Hex Bolt amp Lock Washer Figure 8 Raise the handle assembly into the upright position and align the top holes in the handle with the top holes in the snow thrower frame Attach using 2 long hex bolts lock washers and saddles Curve in saddle must match the curve in the handle See Figure 9 Tighten all hardware used to attach the handle assembly to the snow thrower frame Figure 9 Attaching Shift Rod Hardware D Place the shift lever in the fastest forward speed position Rotate the shift arm assembly counter clockwise as far as it will go Insert the shift rod through the shift arm assembly When installed the shift arm assembly should point left Secure with flat washer and hairpin clip See Figure 10 Thread the ferrule onto the shift rod up or down the shift rod and align with the far hole on the narrow side of the shift lever assembly behind the handle panel See Figure 10
46. tomer Support as instructed on page 2 for information regarding price and availability Snow Thrower Model Electric Light Kit 664G OEM 390 255 NOTE The engines found on snow thrower models 614E and S644E are NOT equipped with an alternator and therefore can NOT accept a light kit SECTION 4 KNOW YOUR SNOW THROWER Traction Drive Clutch Skid Shoe Model 664 Shown Auger pierre Clutch Clean out a Chute Directional Control y Da Recoil Starter Handle Figure 16 WARNING Read understand and A follow all instructions and warnings on the machine and in this manual before operating Shift Lever The shift lever is located in the center of the handle panel The shift lever may be moved into one of six positions Run engine with throttle in the fast positions Run engine with throttle in the fast position Use the shift lever to determine ground speed See Figure 16 Forward There are five forward speeds on this snow thrower Position one 1 is the slowest and position five 5 is the fastest Reverse Your snow thrower has two reverse R speeds R1 is the slower while R2 is the faster of the two NOTE Model 614 644 and 664 has five forward positions and two reverse Auger Drive Control The auger drive control is located on the left handle Squeeze the control grip to engage the augers Release to stop the snow throwing action Traction Control The traction control is located on the
47. ton two or three times for cold engine start making sure to cover vent hole in primer button when pushing DO NOT use primer to restart a warm engine after a short shutdown e Push starter button to start engine When engine starts release starter button and move choke gradually to OFF If engine falters move choke immediately to FULL and then gradually to OFF When disconnecting the power cord always unplug from the three prong receptacle first and then from the snow thrower Recoil Starter e Rotate choke knob to FULL choke position cold engine start If engine is warm place choke in OFF position instead of FULL Push primer button two or three times for cold engine start DO NOT use primer to restart a warm engine after a short shutdown NOTE Always cover vent hole in primer button when pushing Additional priming may be necessary for first start if temperature is below 15 degrees Fahrenheit e Grasp starter handle and pull rope out slowly until it pulls slightly harder Let rope rewind slowly e 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 e 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 Run engine for a few minutes before stopping to help dry off any moisture on the engine e T
48. ts 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 See Figure 25 Chain Shift Lever eS 1 Avoid oil on Gear Shaft friction wheel and drive plate Figure 25 Gear Case The worm gear case has been filled with grease at the factory If disassembled for any reason lubricate with 2 ounces of shell grease part number 737 0168 IMPORTANT Do not overfill the gear case Damage to the seals could result Be sure the vent plug is free of grease in order to relieve pressure SECTION 8 SERVICING YOUR SNOW THROWER WARNING Before servicing repairing A or inspecting disengage all clutch levers and stop engine Wait until all moving parts have come to a complete stop Disconnect spark plug wire and ground it against the engine to prevent unintended starting Engine Refer to the separate engine manual packed with your unit for all engine maintenance procedures 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 e To remove skid shoes remove the four carriage bolts cupped washers and hex nuts which attach them to the snow thrower Reasse
49. ue to use or exposure d MTDLLC does not extend any warranty for products sold or exported outside of the United States its posses sions and territories except those sold through MTD LLC s authorized channels of export distribution e Parts that are not genuine MTD parts are not covered by this warranty f Service completed by someone other than an authorized service dealer is not covered by this warranty g Transportation charges and service calls are not covered No implied warranty including any implied warranty of merchantability of fitness for a particular purpose applies after the applicable period of express written warranty above as to the parts as identified No other express warranty whether written or oral except as men tioned above given by any person or entity including a dealer or retailer with respect to any product shall bind MTD LLC During the period of the warranty the exclu sive remedy is repair or replacement of the product as set forth above The provisions as set forth in this warranty provide the sole and exclusive remedy arising from the sale MTD LLC shall not be liable for incidental or consequential loss or damage including without limitation expenses incurred for substitute or replacement lawn care services or for rental expenses to temporarily replace a warranted product Some states do not allow the exclusion or limitation of inci dental or consequential damages or limitations on ho
50. w long an implied warranty lasts so the above exclusions or limita tions may not apply to you In no event shall recovery of any kind be greater than the amount of the purchase price of the product sold Alteration of safety features of the product shall void this warranty You assume the risk and liability for loss damage or injury to you and your property and or to others and their property arising out of the misuse or inability to use the product This limited warranty shall not extend to anyone other than the original purchaser or to the person for whom it was pur chased as a gift 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 MTD LLC P O BOX 361131 CLEVELAND OHIO 44136 0019 1 800 800 7310
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