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Yard-Man 450 Series Operator's Manual

Rear tine tiller
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For Parts Call 606-678-9623 or 606-561-4983
For Parts Call 606-678-9623 or 606-561-4983
Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR'S MANUAL
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION
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.
PRINTED IN U.S.A.
Rear Tine Tiller – Model Series 450
IMPORTANT
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
www.mymowerparts.com
www.mymowerparts.com
FORM NO. 769-02191
(11/2005)

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Summary of Contents for Yard-Man 450 Series

  • Page 1 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty OPERATOR’S MANUAL Rear Tine Tiller – Model Series 450 IMPORTANT READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION 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).

  • Page 2: Table Of Contents

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 This Operator’s Manual is an important part of your new tiller. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says. Table of Contents Safety Labels ............

  • Page 3: Safety Labels

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Safety Labels WARNING WARNING Hot surfaces can Hot surfaces can cause severe burns. cause severe burns. Do not touch Do not touch WARNING muffler or muffler or adjacent areas. adjacent areas.

  • Page 4: Safe Operation Practices

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo- nents contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm. DANGER: This machine was built to be operated according to the rules for safe operation in this Safe manual.
  • Page 5 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Your Responsibility 16. Do not overload machine capacity by attempting to till soil to deep at too fast of a rate. 1. Restrict the use of this power machine to persons who read, 17.

  • Page 6: Assembling Your Tiller

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 NOTE: References to right or left side of the tiller are Hex Bolt determined from behind the unit in the operating position. Flat Washer To Remove Unit From Carton Hairpin Clip T-Knob •...
  • Page 7 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Attaching Control Rod Slot Head Screw, Nut, & Flat Washers • Make sure the handle assembly is in the highest position. Refer to Know Your Tiller section. Internally •...

  • Page 8: Know Your Tiller

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Clutch Control Gear Selection Handle Handle Adjustment Lock Know Your Tiller Depth Stake WARNING Make certain unit is in NEUTRAL when starting the engine. Figure 6 Gear Selection Handle IMPORTANT: Use the reverse tine drive when tilling virgin ground, sod, or hard soil.

  • Page 9: Engine Controls

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Clutch Control Primer Button (If Equipped) The clutch control is located beneath the handle. The primer button is located behind the air cleaner. It is Squeezing the clutch control against the handle engages used to enrich the fuel mixture in the carburetor when the wheel and tine drive mechanisms.

  • Page 10: Operating Your Tiller

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Setting The Depth WARNING: Read, understand, and follow all instructions and warnings on Tilling depth is controlled by the depth stake which can be the machine and in this manual before adjusted to five different settings.

  • Page 11: Operating The Tiller

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Belt Tension Adjustment To adjust the depth stake, remove the clevis pin and hairpin clip. Move the depth stake to the desired setting and Periodic adjustment of the belt tension may be required secure with the clevis pin and hairpin clip.

  • Page 12: Maintaining Your Tiller

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 WARNING: Disconnect the spark plug The dirt washes off the tines easier if rinsed off im- wire and ground it against the engine mediately instead of after it dries. Always towel dry the before performing any repairs.

  • Page 13: Troubleshooting

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 • Clean the exterior of engine and the entire tiller Idler Pulley Rod thoroughly. Lubricate the tiller as described in the lubrication instructions. • We do not recommend the use of pressure washers to clean your unit.
  • Page 14 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 19 49 www.mymowerparts.com www.mymowerparts.com...

  • Page 15: Parts Lists

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Illustrated Ref. Part No. Part Description Ref. Part No. Part Description Parts List 611-04074 Wheel Shaft Ass’y 33T 717-1594 Spur Gear 16T 721-0378 Seal 1.0 Shaft 611-0021 Tine Shaft Ass’y: 18T Model 450 721-0379 Seal.75 Shaft...
  • Page 16 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 www.mymowerparts.com www.mymowerparts.com...
  • Page 17 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Ref. Part No. Part Description Ref. Part No. Part Description 747-1152 Shift Rod 786-0090 Shoulder 649-0041 Upper Handle Ass’y 786-0113 Tine Shield Hinge Flap 649-0034 Lower Handle Ass’y 786-0176 RH Handle Bracket 710-3005...
  • Page 18 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Wheel shaft shown for reference only www.mymowerparts.com www.mymowerparts.com...
  • Page 19 For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 Ref. Part No. Part Description Ref. Part No. Part Description Illustrated 686-0111 Belt Cover Bracket Ass’y 756-1162 Input Pulley Parts List 710-0237 Hex Bolt 5/16-24 x .62” 786-0064A Idler Bracket 710-0412 Hex Bolt 1/4-28 x .75”...

  • Page 20: Warranty

    For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983 MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect to MTD does not extend any warranty for products sold or new merchandise purchased and used in the United States, its posses- exported outside of the United States, its possessions and sions and territories.

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