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Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty
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600-Series Snow Thrower — L Style
WARNING
READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS MACHINE.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Printed In USA
Form No. 769-04035
(June 5, 2008)
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Summary of Contents

  • Page 1

    Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty ’ peratOr anual 600-Series Snow Thrower — L Style WARNING READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE THIS MACHINE. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

  • Page 2: Table Of Contents

    To The Owner Thank You Thank you for purchasing a Snow Thrower manufactured by MTD LLC. It was carefully engineered to provide excellent performance when properly operated and maintained. Please read this entire manual prior to operating the equipment. It instructs you how to safely and easily set up, operate and maintain your machine.

  • Page 3

    Important Safe Operation Practices WARNING! 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

    Safe Handling of Gasoline 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 immediately.

  • Page 5: Maintenance & Adjustment

    Maintenance & Storage 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 control levers and stop the engine. Wait until the auger/impeller come to a complete stop. Disconnect the spark plug wire and ground against the engine to prevent unintended starting.

  • Page 6

    Safety Symbols This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the machine before attempting to assemble and operate. Symbol 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.

  • Page 7

    Assembly & Set-Up Contents of Carton • One Snow Thrower • One Snow Thrower Operator’s Manual Assembly Handle Place the shift lever in the Forward-6 position Observe the lower rear area of the snow thrower to be sure both cables are aligned with roller guides before pivoting the handle upward.

  • Page 8

    Finish securing chute control assembly to chute support bracket with wing nut and hex screw removed earlier. See Fig. 3-4. Figure 3-4 Check that all cables are properly routed through the cable guide on top of the engine. See Fig. 3-5. Figure 3-5 3—...

  • Page 9

    Fuel Recommendations Use automotive gasoline (unleaded or low leaded to minimize combustion chamber deposits) with a minimum of 87 octane. Gasoline with up to 10% ethanol or 15% MTBE (Methyl Tertiary Butyl Ether) can be used. Never use an oil/gasoline mixture or dirty gasoline.

  • Page 10

    Adjustments Skid Shoes The snow thrower skid shoes are adjusted upward at the factory for shipping purposes. Adjust them downward, if desired, prior to operating the snow thrower. CAUTION: It is not recommended that you operate this snow thrower on gravel as it can easily pick up and throw loose gravel, causing personal injury or damage to the snow thrower and surrounding property.

  • Page 11

    Controls and Features Drive Control Gas Cap Chute Assembly Oil Fill Clean Out Tool Augers Snow thrower controls and features are described below and illustrated in Fig. 4-1. Shift Lever The shift lever is located in the right side of the handle panel and is used to determine ground speed and direction of travel.

  • Page 12

    Throttle Control The throttle control is located on the rear of the engine. It regulates the speed of the engine and will shut off the engine when moved into the STOP position. Primer Pressing the primer forces fuel directly into the engine’s carburetor to aid in cold- weather starting.

  • Page 13

    Chute Directional Control The chute directional control is located on the left side of the dash panel. • To change the direction in which snow is thrown, squeeze the button on the joy-stick and pivot the joy-stick to the right or to the left. •...

  • Page 14

    Operation Starting the Engine WARNING! Always keep hands and feet clear of moving parts. Do not use a pressurized starting fluid. Vapors are flammable. NOTE: Allow the engine to warm up for a few minutes after starting. The engine will not develop full power until it reaches operating temperatures.

  • Page 15

    Recoil Starter CAUTION! Do not pull the starter handle while the engine running. WARNING: To avoid unsupervised engine operation, never leave the engine unattended while running. Turn the engine off after use and remove ignition key Insert ignition key fully into slot, Figure 5-5. Make sure it snaps into place.

  • Page 16

    Maintenance & Adjustments Maintenance Engine Refer to the Engine Maintenance section. 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. To remove skid shoes: Remove the four carriage bolts and hex flange nuts which secure them to the snow thrower.

  • Page 17

    Auger Shaft At least once a season, remove the shear pins from the auger shaft. Spray lubricant inside the shaft and around the spacers and the flange bearings found at either end of the shaft. See Fig. 6-3. Figure 6-3 Adjustments Shift Cable If the full range of speeds (forward and reverse) cannot be...

  • Page 18

    Drive Control When the drive control is released and in the disengaged “up” position, the cable should have very little slack. It should NOT be tight. NOTE: If excessive slack is present in the drive cable or if the snow thrower’s drive is disengaging intermittently during operation, the cable may be in need of adjustment.

  • Page 19

    Engine Maintenance WARNING! To prevent accidental start-up, shut off the engine and remove the ignition key before performing any type of engine maintenance. Maintenance Schedule Tasks First 5 Hrs. Each Use or Every 5 Hrs. Check engine oil Change engine oil Check spark plug Service spark plug Clean exhaust area...

  • Page 20

    Spark Plug WARNING! DO NOT check for spark with spark plug removed. DO NOT crank engine with spark plug removed. WARNING! If the engine has been running, the muffler will be very hot. Be careful not to touch the muffler. To ensure proper engine operation, the spark plug must be properly gapped and free of deposits.

  • Page 21

    Service Belt Replacement Auger Belt To remove and replace your snow thrower’s auger belt, proceed as follows: Allow the engine to run until it is out of fuel. Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws.

  • Page 22

    Remove the belt from around the auger pulley, and slip the belt between the support bracket and the auger pulley. See Fig. 8-5. Figure 8-5 Reassemble auger belt by following instructions in reverse order. NOTE: Do not forget to reinstall the shoulder screw and reconnect the spring to the frame after installing a replacement auger belt.

  • Page 23

    Slip the drive belt off the pulley and between friction wheel and friction wheel disc. See Fig. 8-7. Figure 8-7 Remove and replace belt in the reverse order. NOTE: Engaging the drive control will ease reassembly of the belt. Friction Wheel Removal If the snow thrower fails to drive with the drive control engaged, and performing the drive control cable adjustment fails to correct the problem, the friction wheel may need to be replaced.

  • Page 24

    Carefully remove the hex nut which secures the hex shaft to the snow thrower frame and lightly tap the shaft’s end to dislodge the ball bearing from the right side of the frame. See Fig. 8-9. NOTE: Be careful not to damage the threads on the shaft. Figure 8-9 Carefully position the hex shaft downward and to the left before carefully sliding the friction wheel assembly off the...

  • Page 25: Troubleshooting

    Troubleshooting Problem Engine fails to start Choke not in ON position. Spark plug wire disconnected. Fuel tank empty or stale fuel. Engine not primed. Faulty spark plug. Safety key not in ignition on engine. Engine runs erratic Engine running on CHOKE. Stale fuel.

  • Page 26: Replacement Parts

    Replacement Parts Component Phone (800) 800-7310 to order replacement parts or a complete Parts Manual (have your full model number and serial number ready). Parts Manual downloads are also available free of charge at www.mtdproducts.com. Part Number and Description 929-0071 Extention Cord, 110V 954-04050 Auger Drive Belt...

  • Page 27

    Notes...

  • Page 28

    11— n ectiOn Otes...

  • Page 29

    11 — n ectiOn Otes...

  • Page 30

    MTD CONSUMER GROUP INC (MTD), the California Air Resources Board (CARB) and the United States Environment Protection Agency (U. S. EPA) EMISSION CONTROL SYSTEM COVERAGE IS APPLICABLE TO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 2005 AND THERE- AFTER, WHICH ARE USED IN CALIFORNIA, AND TO CERTIFIED MODEL YEAR 2005 AND LATER ENGINES WHICH ARE PURCHASED AND USED ELSEWHERE IN THE UNITED STATES.

  • Page 31: To The Owner

    (4) Repair or replacement of any warranted part under the warranty provisions of this article must be performed at no charge to the owner at a warranty station. (5) Notwithstanding the provisions of Subsection (4) above, warranty services or repairs must be provided at all MTD distribution centers that are franchised to service the subject engines.

  • Page 32

    MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States and/or its territories and possessions, and by MTD Products Limited with respect to new merchandise purchased and used in Canada and/ or its territories and possessions (either entity respectively, “MTD”).

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