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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. 770-100451,
(8/2003)

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Summary of Contents for MTD 614E

  • Page 1 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.
  • Page 2: Table Of Contents

    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.
  • Page 3: Important Safe Operation Practices

    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.
  • Page 4 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.
  • Page 5 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...
  • Page 6: Hardware Pack

    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.
  • Page 7 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...
  • Page 8 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.
  • Page 9 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...
  • Page 10 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.
  • Page 11: Know Your Snow Thrower

    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.
  • Page 12: Operating Your Snow Thrower

    • 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.
  • Page 13 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. •...
  • Page 14 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.
  • Page 15: Making Adjustments

    • 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.
  • Page 16 • 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...
  • Page 17: Maintaining Your Snow Thrower

    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.
  • Page 18: Service

    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...
  • Page 19 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...
  • Page 20 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. •...
  • Page 21: Troubleshooting

    • 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.
  • Page 22: Parts List

    SECTION 10: MODELS 614E,644E, & 664G...
  • Page 23 Models614E,644E,& 664G REF. PART REF. PART DESCRIPTION DESCRIPTION 712-0116 Lock Jam Nut 3/8-24 712-0798 Hex Nut 3/8-16 756-0178 Flat Idler 784-5580 Slide Shoe 784-5632B 784-5581A 24" Shave Plate Auger Idler Arm 710-0459A 784-5582A 28" Shave Plate Hex Cap Screw 3/8-24 x 1.50 741-0475 684-0065 Bushing...
  • Page 24 Models614E,644E, & 664G 651-_ 471-1- 581- Models w/Folding Handles *Ref. Nos. 22 and 27 reversed for fold down handles•...
  • Page 25 Models614E,644E,& 664G REF. PART REF. PART DESCRIPTION DESCRIPTION 712-0116 Jam Lock Nut 3/8-24 749-0911C Handle LH 732-0193 784-5599 Handle Tab Compression Spring 736-0105 Belt Washer 710-04039 Hex Cap Screw 5/16-18 x 2.0 784-5619A Shift Handle 710-1880 Hex Cap Screw 5/16-18 x.75 710-0459A 736-0185 Flat Washer...
  • Page 26 Models614E,644E, & 664G Drive Clutch Cable Auger Clutch Cable Wheels or 15" Wheels Auger Clutch Cable Blower Housing...
  • Page 27 Models614E,644E,& 664G REF. PART REF. PART DESCRIPTION DESCRIPTION 710-0599 Hex Screw 715-0249 Roll Pin 784-5688 Drive Cable Guide Bracket 714-0143 Ktik Pin 784-5687A 684-0042C Auger Clutch Cable Bracket Friction Wheel Assembly 756-0625 Roller Cable 656-0012A Friction Disc Wheel 738-0924 Hex Screw 1/4-28 684-0013B Wheel Shift Rod Assembly 784-5630B...
  • Page 28 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...
  • Page 29 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.
  • Page 30 Models614E,644E,& 664G 9 11 @ __"'7 REF. PART REF. PART DESCRIPTION DESCRIPTION 618-0123 721-0325 Housing--R.H. Plug 618-0124 Housing--L.H. 721-0327 Oil Seal 710-0642 Hex Screw 1/4-20 x.75 736-0351 Flat Washer 711-0908A 736-0369 Flat Washer Spiral Axle 24" 711-0910A 736-0445 Flat Washer Spiral Axle 28"...
  • Page 31 NOTES...
  • Page 32 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.

This manual is also suitable for:

644e664g

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