Manual

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OPERATOR'S MANUAL

Rear Tine Tiller

Model Series 450

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. 770-10137E

(11/2001 )

Summary of content (20 pages)

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OPERATOR'S MANUAL Rear Tine Tiller Model Series 450 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.
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TABLEOFCONTENTS Content Page Important Safe Operation Practices ................................................................... 3 Assembling Your Tiller ....................................................................................... 6 Know Your Tiller ................................................................................................. 8 Operating Your Tiller .......................................................................................... 9 Making Adjustments ....
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SECTION1: IMPORTANT SAFEOPERATION 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. When you see this symbol - heed its warning.
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7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. Never operate the machine at high transport speeds on hard or slippery surfaces. Exercise caution to avoid slipping or falling. Look down and behind and use care when in reverse or pulling machine towards you. Start the engine according to the instructions found in this manual and keep feet well away from the tines at all times. After striking a foreign object, stop the engine, disconnect the spark plug wire and ground against the engine.
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SECTION2: ASSEMBLING YOURTILLER NOTE: References to right or left side of the tiller are determined from behind the unit in the operating position. Flat Washer Hex Bolt T-Knob / /t'_ \ I /1"1_ _ Hairpin Clip ToRemoveUnitFromCarton Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton. Remove loose parts included with unit (i.e., operator's manual, etc.). Cut corners and lay carton down flat. Remove packing material. Roll or slide unit out of carton.
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Pushthecablethroughtheholein thecenterofthe handleandsnapintheplasticfitting.SeeFigure3. Remove hairpin clips from control rod, (rubber washers to remain on control rod). Insert the shorter, (angled), end of the control rod through the indicator bracket on the shift cover and secure with hairpin clip that was previously removed. See Figure 5. Insert the longer end of the control rod through the hole in the gear selector handle and secure with hairpin clip.See Figure 6.
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needed.Removethebeltcoverandmovethehexnuts at the otherendof the cabletowardsthe end of the casing. Then readjust the hex nuts at the handle. the unit. Recommended operating tire pressure is approximately 20 p.s.i. (check sidewall of tire for tire manufacturer's recommended pressure). WARNING: Maximum tire pressure under any circumstances is 30 p.s.i. Equal tire pressure should be maintained on both tires. TirePressure The tires on your unit may be over-inflated for shipping purposes.
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ChokeLever(. Equipped) _lb NEUTRAL when Make startingcertain the engine. WARNING: unit is in ClutchControl The clutch control is located beneath the handle. Squeezing the clutch control against the handle engages the wheel and tine ddve mechanisms. NOTE: Never engage clutch lever while shifting. HandleAdjustmentLock The handle may be adjusted to the height desired. Loosen the handle height adjustment lock a few turns. Pivot handle up or down to desired position. Tighten lock.
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NOTE: After the first ten hours of operation, recheck the clutch adjustment. Refer to final clutch adjustment in Assembly Instructions. SettingTheDepth Tilling depth is controlled by the depth stake which can be adjusted to five different settings. Adjust the side shields as you adjust the depth stake. disconnected and grounded WARNING: Be certain spark against plug wirethe is engine when performing any adjustments.
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SECTION5: MAKINGADJUSTMENTS off and the clutch control bail disengaged, shift the gear selection handle to each forward mode. If the indicator WARNING: Never attempt to make any adjustments while the engine is running, except where specified in operator's manual. bracket touches the idler pulley rod (with the clutch control bail disengaged), then an adjustment is necessary. HandleAdjustment Disconnect and ground out spark plug wire against the engine.
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CleaningTineArea Clean the underside of the tine shield after each use. The dirt washes off the tines easier if rinsed off Idler Puny immediately instead of after it dries. Always towel dry the tiller afterwards and apply a light coat of oil or silicone to prevent rusting or water damage. IMPORTANT: Never use a "pressure washer" to clean your tiller. Water can penetrate tight areas of the tiller and its chaincase and cause serious damage to the unit.
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SECTION7: TROUBLESHOOTING GUIDE Trouble Possible Engine fails to start Fuel tank empty, or stale fuel. Engine runs erratic Engine overheats Tines do not engage Tines skip over ground Wheels do not engage Cause(s) Throttle control lever not in correct starting position (if so equipped). Blocked fuel line. Dirty aircleaner. Choke not in ON position. Spark plug wire disconnected. Faulty spark plug. Engine flooded. Unit running on CHOKE. Spark plug wire loose. Blocked fuel line or stale fuel.
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Notes 13
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ModelSeries450 6 29 53 1 /46 28 17 8 14 14
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ModelSeries450 Ref. No. Part No. Ref. No. Part Description 1. 2. 611-0020 611-0021 Wheel Shaft Ass'y 33T 3. 611-0128 4. 611-0129 Jack Shaft Ass'y Input Shaft Ass'y 5. 617-0058 6. Part No. Part Description 717-1594 72%0378 Spur Gear 16T Seal 1.0 Shaft 29. 31. 72%0379 Seal .75 Shaft 726-0277 Taper Cap Ring Rev. Idler Gear Ass'y: 30T 32. 732-0496 617-0059 Ftine Idler Gear Ass'y: 30T 33. 736-0163 Compression Spring .50" Lg. Thrust Wash. 1.03" I.D. x 1.62" 7.
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Model450 Series 67 62 \\ 37 14 / 36 42 /28 50 59_ 51 .
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Model450 Series Ref. No. Part No. Ref. No. Part Description Part No. Part Description 1. 2. 747-1152 649-0041 Shift Rod 34. 750-0885 Upper Handle Ass'y 35. 786-0090 Spacer .435 OD x .322 ID Shoulder 3. 649-0034 4. Lower Handle Ass'y Hex Screw 3/8-16 x 1.25 36. 37. 786-0113 786-0176 Tine Shield Hinge Flap RH Handle Bracket 5. 710-3005 710-3056 Hex Screw 5/16-18 x 3.25 38. 786-0177 LH Handle Bracket 6. 711-0415 Clevis Pin 3/8-1.62 39. 786-0178 Tine Shield 7.
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Model450 Series /24 / 15 /3 !" \ "37 18 4o
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Model450 Series Ref. No. Part No. Ref. No. Part Description Part No. Part Description 1. 686-0111 786-0187 710-0237 Belt Cover Bracket Ass'y Hex Bolt 5/16-24 x .62" 27. 2. 28. 786-0193 Idler Belt Keeper 3. 710-0412 Hex Bolt 1/4-28 x .75" 29. 634-0110 Wheel Assembly RH 14.0 x 4.5 t 4. 710-0502A Wheel Assembly RH l&0 x 4.6 tt 716-0591 Hex Washer Screw 3/8-16 x 1.25" Hex Bolt 3/8-24 x 1.0 634-0106 5, 634-0111 Wheel Assembly LH 14.0 x 4,5 t 6, 7.
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MANUFACTURER'S LIMITED WARRANTY The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the d. United States, its possessions and territories. MTD LLC warrants this product against defects for a period of FOR: MTD LLC does net extend any warranty for products sold or exported outside of the United States, its possessions and territories, except those sold through MTD LLC's authorized channels of export distribution. e.