MTD Series 450 Operator's Manual
Rear tine tiller
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Also See for Series 450:
- Shop manual (70 pages) ,
- Operator's manual (45 pages) ,
- Service manual (39 pages)
Table of Contents
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Summary of Contents for MTD Series 450
- Page 1 Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty Rear Tine Tiller m Model Series 450 MTD LLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019 PrintedIn USA FormNo.769-05499 (October 0 8, 2009)
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Page 2: Serial Number
Choose from the options below: Visit us on the web at www.mtdproducts.com Call a Customer Support Representative at (800) 800-7:310 or (330) 220-468:3 Write us at MTD LLC • RO. Box :3611:31 • Cleveland, OH • 441:36-0019... -
Page 3: Important Safe Operation Practices
importantSafeOperation 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: Maintenance And Storage
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 Thoroughly inspect the machine for any damage. -
Page 5: Spark Arrester
If the fuel tank has to be drained, do this outdoors. SparkArrester Observe proper disposal laws and regulations for gas, oil, etc. to protect the environment. internal combustion engine and should not be used ARNING! According to the Consumer Products Safety Commission on or near any unimproved This machine... -
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. READ THE OPERATOR'S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting assemble and operate... -
Page 7: Assembly And Setup
Assembly & Set-Up Contents of Carton One Shift Rod OneTiller One Handlebar Assembly One Engine Operator's Manual One Depth Stake One Operator's Manual NOTE:This operator's manual covers various models of tillers. Depth Stake The tiller illustrated may vary slightly from your machine. Follow only those instructions which pertain... -
Page 8: Clutch Cable
Remove the slot head screw, nut and two flat washers from HandlebarAssembly 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 Head Screw bolt and nut. -
Page 9: Control Rod
Control Rod Adjustments Make sure the handle assembly is in the highest position. ClutchCable Refer to the Controls & Features Section. NOTE: Service the engine with oil and gasoline before checking Remove the hairpin clips from the control rod, put the this 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 p.s.i. (check the sidewall of the tire for the manufacturer's recommended pressure). circumstances is 30 p.s.i.
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Page 11: Controls And Features
Controls a nd Features Handle Adjustment Lock Clutch Control Depth Stake Figure 4=1 EngineControls ChokeLever(if equipped) The choke lever is used to enrich the fuel mixture in the See the separate Engine Operator's Manual for additional information and functions of the engine controls. carburetor when starting a cold engine. -
Page 12: Operation
Operation When using the tiller for the first time, use the second Starting the Engine adjustment hole from the top (1" of tilling depth). See Figure 5-1. instructions and warnings on the machine and in WARNING! Read, understand, and follow all the this manual before operating. -
Page 13: Operatingthe Tiller
To adjust the side shields, remove the wing nuts. Move the Operatingthe Tiller side shield to the desired position and replace the wing Select the depth stake setting. nuts. Tighten securely. See Fig. 5-2. Start the engine as instructed in the Engine Operator's Manual. -
Page 14: Maintenance And Adjustments
Maintenance & Adjustments Lubrication ground it against the engine before performing ARNING! Disconnect the spark plug wire and Transmission maintenance or repairs. The transmission is pre-lubricated and sealed at the factory. Maintenance requires no checking unless the transmission is disassembled. fill with grease, lay the right half of the transmission on its side, Engine... - Page 15 IdlerPulleyRod After the belt tension has been adjusted, if the belt is excessively stretched, you may need to adjust the idler pulley rod. This can be checked easily. With the engine offand the clutch control bail disengaged, shift the gear selection handle to each forward mode.
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Page 16: Engine Maintenance
EngineMaintenance MaintenanceSchedule Each Useor Service EverySeason Every Season EverySeason First S Hours or 25 Hours or SOHours orlO0 Hours Dates Every S Hrs. CheckEngine Oil Level Change Engine Oil _" _" CheckAir Cleaner _" Service Air Cleaner CheckSparkPlug Replace Spark Plug Clean around muffler Periodic inspection... -
Page 17: Oil Recommendations
====l_ "% _m_= _ mmm30 20w40, 20w50 _ 15w40, 15w50 _____ ®, 10w40 _Img n/b. lOw30 _____n ("6)-30 o -20o -10° 0° 10° 20o 300 40o (°F)-20 ° 0° 20o 40o 60o 80o 100° Drain Ambient Temperature Figure 6-1 Reinstall the drain plug and tighten it securely. Single Viscosity Refill with the recommended oil and check the oil level. -
Page 18: Cleaning The Engine
To clean foam element, separate it from the paper element Check that the spark plug washer is in good condition and wash in liquid detergent and water. Allow to dry and thread the spark plug in by hand to prevent cross- thoroughly before using. -
Page 19: Off-Season Storage
Off-Season Storage Engines stored between 30 and 90 days need to be treated with a gasoline stabilizer and engines stored over 90 days need to be drained of fuel to prevent deterioration and gum from forming in fuel system or on essential carburetor parts. -
Page 20: Belt Replacement
Service Fig. 7-1. Belt Replacement Off-Season Storage Your tiller has been engineered with a belt designed for long life and optimal performance. It should never be replaced with If the tiller will not be used for a period longer than 30 days, the a non-OEM belt. -
Page 21: Troubleshooting
Troubleshooting Problem Cause Remedy Engine fails to start 1. Fuel tank empty or stale fuel. Fill tank with clean, fresh gasoline. 2. Throttle control lever not in correct starting Move throttle lever to start position. position (if equipped). 3. Blocked fuel line. Clean fuel line. -
Page 22: Replacement Parts
Replacement Parts Component Part Number and Description 954-0434 Belt, 4L x 58.16 742-0305A Articulating Tine " -9 746-1117 Clutch Cable 934-04233 Tires, 14 x 4.5 x 6 714-04043 Cotter Pin, Tine Assembly 911-0415 Clevis Pin, Tine Assembly 714-0147 Cotter Pin, Depth Stake 911-0415 Clevis Pin, Depth Stake 951-10794... -
Page 24: Limited Warranty
MANUFACTURER'S LiMiTED WARRANTY The limited warranty set forth below is given by MTD LLC with c. Service completed by someone other than an authorized service dealer. respect to new merchandise purchased and used in the United States and/or its territories and possessions, and by MTD Products Limited d.
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