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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 FORM PRINTED IN U.S.A.
TABLEOFCONTENTS Content Page Important Safe Operation Practices ..............Hardware Pack ....................Assembling Your Snow Thrower ................ Know Your Snow Thrower .................. Operating Your Snow Thrower ................Making Adjustments ................... Maintaining Your Snow Thrower ................ Service ....................... Troubleshooting ....................Parts List ......................FINDINGMODELNUMBER This Operator's Manual is an important part of your new snow thrower.
SECTION 1: IMPORTANT SAFEOPERATION P RACTICES 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.
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5. Never runanengine i ndoors orinapoorly v entilated MAINTENANCE A NDSTORAGE area. E ngine exhaust contains carbon m onoxide, an Never tamper with safety devices. Check their proper odorless and deadly gas. 6. Donotoperate m achine while under theinfluence of operation regularly.
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SECTION2: CONTENTSOFHARDWARE PACK(Boxed Units) Lay out the hardware according to the illustration below for identification purposes. Part numbers are shown _arentheses. (Hardware pack may contain extra items which are not used on your unit.) ATTACHING HANDLE PANEL ATTACHING THE HANDLES Lock Washers 736-0119 (4) Carriage Bolts...
SECTION 3: ASSEMBLING YOUR SNOW THROWER LooseParts NOTE: References to right or left side of the snow (BoxedUnit) thrower are determined from behind the unit in the Listed below are the parts of the snow thrower packed operating position. The "operator's position" is defined loose with units that come unassembled in a box.
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If the connector is not properly assembled, the shift rod Assembly(Crated Unit) will pivot and you will not be able to change speeds or change directions. wire and ground it against the engine to • Insert "Z" fitting (Hardware A) into hole in clutch WARNING: Disconnect the spark plug...
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Insert curved end of the Z fitting into the top hole in • Repeat process for the right side Traction Control. the triangular metal tab on the auger control grip. • Lay handle assembly behind snow thrower. The triangular metal tab on the auger control grip See Figure 8.
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Thread theferrule ontotheshiftrod,upordown the Make certain all cables are in the grooves of the shiftrodandalignwiththefarholeonthenarrow cable roller guides in the lower rear of the unit, one sideoftheshiftleverassembly b ehind thehandle on each side. Refer to Figure 9. panel. S eeFigure 10. Thread the coupling end of the cable onto the threaded portion of the Z fitting until the rubber Traction...
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Attaching TheChuteDirectional C ontrol (Hardware C) • Thread one hex nut about halfway onto eye bolt on Bolts Carriag_ 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.
Snow Thrower Model If your unit is not equipped with a lamp, contact Electric Light Kit Customer Support as instructed on page 2 for 664G OEM-390-255 information regarding price and availability. NOTE: The engines found on snow thrower models 614E and $644E are NOT equipped with an alternator and therefore can NOT accept a light kit.
• Crank clockwise to discharge to the left. SafetyIgnitionKey • Crank counterclockwise to discharge to the right. The safety ignition key must be fully inserted in the switch before the unit will start. Remove the ignition key Clean-Out T ool when the snow thrower is not in use.
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WARNING: ToStopEngine The optional electric starter is equipped with a grounded three-wire • Run engine for a few minutes before stopping to power cord and plug, and is designed to help dry off any moisture on the engine. operate on 120 volt AC household current. •...
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Check the adjustment of the auger control as follows: snow and ice from the discharge chute or • When the auger control is released and in the WARNING: Never use your hands to clean auger housing disengaged "up" position, the cable should have very little slack.
• Set the skid shoes 1/4" below the scraper bar for normal usage. The skid shoes may be adjusted surrounding areas become hot and WARNING: The muffler, engine, and their cause a burn. Do not touch. upward for hard-packed snow. Adjust downward when using on gravel or crushed rock.
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• With the traction control is engaged, the friction Use a middle or lower position when the area to be cleared is uneven. wheel must contact the drive plate. See Figure 20. Friction Wheel Carriage Bolts Drive Skid Plate _Gap Shoes F Figure 21 Figure 20...
NOTE: OneWheel Driving Make certain to check for correct adjustment of the shift rod as instructed in the Final Adjustments • On the right side of the unit, place click pin in the section before operating the snow thrower. outside axle hole only. Do not place pin through wheel hub.This position gives power drive to the left DriveWheels wheel only, making the unit easier to maneuver.
AugerShaft Chain • At least once a season, remove shear bolts on Shift Lever auger shaft. Oil or spray lubricant inside shaft and lubricate the auger bearings. See Figure 24. Vent Plug "Avoid oil on friction wheel and drive plate Plastic Bearing Shear Bolts...
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Augers Roll the front and rear auger belts off the engine pulley. See Figure 28. • The augers are secured to the spiral shaft with two Drive Belt shear bolts and hex lock nuts. If you hit a hard Auger Belt foreign object or ice jam, the snow thrower is Drive...
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Drive Belt • Lightly tap the hex nut to dislodge the ball bearing from the right side of the frame. Remove the hex • Follow first four steps of previous instructions. nut and bell washer from the left end of the shaft. •...
• Run engine until fuel tank is empty and engine • Remove spark plug and pour one ounce of engine stops due to lack of fuel. oil through spark plug hole into cylinder. Cover • Drain carburetor by pressing upward on bowl drain, spark plug hole with rag.
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Models614E 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 DESCRIPTION DESCRIPTION 710-1652 Hex Washer Screw 1/4-20 x.5 710-1245B Lock Cap Screw 5/16-24 731-1324...
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Models644E & 664G 24 _ IMPORTANT: For a proper working machine, use Factory I Approved Parts. V-BELTS are specially designed to engage and disengage I safely. A substitute (non OEM) V-Belt can be dangerous by not d sengag ng compete y. REF.
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MANUFACTURER'S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD LLC with MTD does not extend any warranty for products sold or respect to new merchandise purchased and used in the exported outside of the United States, its possessions United States, its possessions and territories.