MTD 450 Series Operator's Manual
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MTD 450 Series Operator's Manual

MTD 450 Series Operator's Manual

Rear tine tiller
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Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty
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Rear Tine Tiller — Model Series 450
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. 769-07702
(November 22, 2011)

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Summary of Contents for MTD 450 Series

  • Page 1 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. 769-07702...

  • Page 2: Table Of Contents

    Visit us on the web at www.mtdproducts..com See How-to Maintenance and Parts Installation Videos at www.mtdparts.com/KnowledgeCenter ◊ Call a Customer Support Representative at (800) 800-7310 or (330) 220-4683 ◊ Write to MTD LLC • P.O. Box 361131 • Cleveland, OH • 44136-0019...

  • Page 3: Safe Operation Practices

    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: Plug Wire And Ground It Against The Engine To Prevent Unintended Starting

    When practical, remove gas-powered equipment After striking a foreign object, stop the engine, disconnect from the truck or trailer and refuel it on the ground. the spark plug wire and ground against the engine. If this is not possible, then refuel such equipment on Thoroughly inspect the machine for any damage.
  • Page 5 Spark Arrestor If the fuel tank has to be drained, do this outdoors. Observe proper disposal laws and regulations for gas, oil, WARNING! This machine is equipped with an etc. to protect the environment. internal combustion engine and should not be used According to the Consumer Products Safety Commission on or near any unimproved forest-covered, (CPSC) and the U.S.

  • Page 6: Safety Symbols

    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 Description READ THE OPERATOR’S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting to assemble and operate WARNING—...

  • Page 7: Assembly & Set-Up

    Assembly & Set-Up Contents of Carton • One Tiller • One Handlebar Assembly • One Shift Rod • One Depth Stake • One Operator’s Manual • One Engine Operator’s Manual NOTE: This operator’s manual covers various models of tillers. Unthread the “T” knob from the top of the depth stake and The tiller illustrated may vary slightly from your machine.
  • Page 8 Handlebar Assembly Remove the slot head screw, nut and two flat washers from the clutch bail. See Fig. 3-4. Remove the top two bolts and flange lock nuts from the handle mounting brackets, but do not remove the bottom Slot Head Screw bolt and nut.
  • Page 9 Adjustments Control Rod Make sure the handle assembly is in the highest position. Clutch Cable Refer to the Controls & Features Section. NOTE: Service the engine with oil and gasoline before checking this Remove the hairpin clips from the control rod, put the adjustment.
  • Page 10 Set-Up Tires The tires on your tiller may be over-inflated for shipping purposes. Reduce the tire pressure before operating the tiller. Recommended operating tire pressure is approximately 20 p.s.i. (check the sidewall of the tire for the manufacturer’s recommended pressure). WARNING! Maximum tire pressure under any circumstances is 30 p.s.i.

  • Page 11: Controls & Features

    Controls & Features Gear Selection Handle Handle Adjustment Lock Clutch Control Depth Stake Figure 4-1 Engine Controls Depth Stake See the separate Engine Operator’s Manual for information and The depth stake controls the tilling depth. functions of the engine controls. Handle Adjustment Lock Gear Selection Handle The handle may be adjusted to the height desired by unlocking...

  • Page 12: Operation

    Operation Starting & Stopping the Engine When tilling loose soil, the depth stake may be raised to its highest position (use the bottom adjustment hole) to give the deepest tilling depth. Raise the side shields to their WARNING! Read, understand, and follow all the highest position.

  • Page 13: Operating The Tiller

    Operating the Tiller Select the depth stake setting. Start the engine as instructed in the Engine Operator’s Manual. Move the gear selection handle to one of the forward modes or reverse. WARNING! Do not move the gear selection handle with the wheels or tines engaged. Make certain the tiller is stopped completely before changing the gear selection.

  • Page 14: Maintenance & Adjustment

    Maintenance & Adjustments Handle Adjustment WARNING! Disconnect the spark plug wire and ground it against the engine before performing any The handle may be adjusted to the desired height. Refer to the maintenance or repairs. Controls & Features Section for details. Cable Adjustment Maintenance See the Assembly &...

  • Page 15: Service

    Service NOTE: This Operator’s Manual covers several models. Garden Remove the belt keeper assembly located behind the tiller features may vary by model. Not all features in this manual engine pulley by removing the two hex bolts and lock are applicable to all garden tiller models and the garden tiller washers..
  • Page 16 Secondary Clutch Cable Adjustment If additional adjustment is necessary after the primary adjustment from the Assembly & Set-Up section can no longer be used, the secondary adjustment can be performed as follows: NOTE: See Remove the belt cover as instructed the Belt Replacement page 14.

  • Page 17: Troubleshooting

    Troubleshooting Problem Cause Remedy Tines do not engage 1. Foreign object lodged in tines. 1. Dislodge foreign object. 2. Tine clevis pin(s) missing. 2. Replace tine clevis pin(s). 3. Pulley and idler not in correct adjustment. 3. Take tiller to authorized service dealer. 4.

  • Page 18: Replacement Parts

    Replacement Parts Component Part Number and Description 954-0434 Belt, 4L x 58.16 742-0305A Articulating Tine 746-1117 Clutch Cable 934-04231 Tires, 16 X 4.6 X 8 714-04043 Cotter Pin, Tine Assembly 711-0415 Clevis Pin, Tine Assembly 714-04043 Cotter Pin, Depth Stake 911-0415 Clevis Pin, Depth Stake (800) 800-7310 or (330) 220-4683...
  • Page 19 Replacement Parts Component Part Number and Description 954-0434 Belt, 4L x 58.16 742-0305A Articulating Tine 746-1117 Clutch Cable 934-04231 Tires, 16 X 4.6 X 8 714-04043 Cotter Pin, Tine Assembly 711-0415 Clevis Pin, Tine Assembly 714-0147 Cotter Pin, Depth Stake 911-0415 Clevis Pin, Depth Stake BS-491588S...

  • Page 20: Warranty

    MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with c. Service completed by someone other than an authorized service respect to new merchandise purchased and used in the United States dealer. and/or its territories and possessions, and by MTD Products Limited d.

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