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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 st
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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 ...................................................... 3 Maintaining Your Tiller ...................................... 1 Safe Operation Practices ................................... 4 Off Season Storage .......................................... 13 Assembling Your Tiller ......
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1 Safety Labels W WA AR RN NI IN NG G H Ho ot s t su ur rf fa ac ce es c s ca an n c ca au us se s e se ev ve er re b e bu ur rn ns s. . D Do n o no ot t t to ou uc ch h m mu uf ff fl le er o r or r WARNING a ad dj ja ac ce en nt a t ar re ea as s. . This symbol points out important safety instructions which, if not followed, could W WA AR RN NIIN NG G W WA AR RN NIIN NG G endanger the personal T TO A O AV VO OIID S D SE ER RIIO OU US I S IN NJ JU UR RY Y C C 1 1. . R RE EA AD T D TH HE
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WARNING: Engine Exhaust, some of its constituents, and certain vehicle components 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 manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This machine is capable of amputating hands and Safe feet and throwing
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• After striking a foreign object, stop the engine, Maintenance & Storage disconnect the spark plug wire and ground against • Never tamper with safety devices. Check their the engine Thoroughly inspect the machine for any proper operation regularly. damage. Repair the damage before starting and • Check bolts and screws for proper tightness at operating. frequent intervals to keep the machine in safe • Disengage all clutch levers (if fitted) and stop engine working condition. Also, visu
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NOTE: References to right or left side of the tiller are Hex Bolt determined from behind the unit in the operating position. Flat Washer Hairpin Clip To Remove Unit From Carton T-Knob • Remove staples, break glue on top flaps, or cut tape 3 Clevis Pin at carton end and peel along top flap to open carton. • Remove loose parts included with unit (i.e., Assembling operator’s manual, etc.). • Cut corners and lay carton down flat. Your Tiller • Remove packing material. • Roll or slide unit out of
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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 • Remove hairpin clips from control rod, (rubber Threaded Tube 3 washers to remain on control rod). • Insert the shorter, (angled), end of the control rod through the indicator bracket on the shift cover and Assembling secure with hairpin clip that was previously removed. See Figure 3-5. Your Tiller • Insert the longer end of
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Clutch Control 4 Gear Selection Handle Know Your Handle Adjustment Lock Tiller Depth Stake WARNING Make certain unit is in NEUTRAL when starting the engine. Note: Bumper Styles vary by model. Figure 4-1 IMPORTANT: Use the reverse tine drive when tilling Gear Selection Handle virgin ground, sod, or hard soil. Use the forward tine drive The gear selection handle is located in the center of when cultivating or tilling soft ground. the handle on the tiller. It is used to select NEUTRAL, N
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Clutch Control The clutch control is located beneath the handle. Squeezing the clutch control against the handle engages the wheel and tine drive mechanisms. 4 NOTE: Never engage clutch lever while shifting. Know Your Handle Adjustment Lock The handle may be adjusted to the height desired. Tiller Loosen the handle height adjustment lock a few turns. Pivot handle up or down to desired position. Tighten lock. Throttle Control The throttle control lever is located on the engine. It contro
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WARNING: Read, understand, and follow Setting The Depth all instructions and warnings on the ma- Tilling depth is controlled by the depth stake which can be chine and in this manual before operating. adjusted to five different settings. Adjust the side shields as you adjust the depth stake. Before Starting 5 WARNING: Be certain spark plug wire is Gas And Oil Fill-Up disconnected and grounded against the Service the engine with gasoline and oil as instructed in Operating engine when perfo
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To adjust the depth stake, remove the clevis pin and hairpin Belt Tension Adjustment 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. See Figure 5-1. due to normal stretch and wear on the belt. Adjustment To adjust the side shields, remove the wing nuts. Move is needed if the tines or wheels seem to hesitate while 6 the side shield to the desired position and replace the turning, but
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WARNING: Disconnect the spark plug Cleaning Tine Area wire and ground it against the engine Clean the underside of the tine shield after each use. before performing any repairs. The dirt washes off the tines easier if rinsed off im- mediately instead of after it dries. Always towel dry the Engine tiller afterwards and apply a light coat of oil or silicone to Refer to the separate engine manual for engine prevent rusting or water damage. maintenance instructions. Maintaining IMPORTANT:
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• Remove the belt keeper bracket located behind the Idler Pulley Rod engine pulley by removing two hex bolts and lock washers. See Figure 8-1. • Remove belt and reassemble new belt. Follow 8 instructions in reverse order. NOTE: Upon reassembly, make certain the belt is routed over the idler pulley and inside of belt keepers by Off-Season engine pulley. See Figure 8-1. Storage Off-Season Storage If the tiller will not be used for a period longer than 30 days, Belt Keeper the following st
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16 13 35 29 46 53 16 52 31 35 28 17 45 12 44 17 33 36 6 15 3 27 5 1 18 10 36 43 42 47 34 4 23 40 7 21 22 32 36 20 8 37 50 25 51 10 9 24 34 36 26 41 45 36 35 19 49 16 44 29 33 14 2 14 14 48 35 16 28 11 14 35 16 14
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9 Illustrated Ref. Part No. Part Description Ref. Part No. Part Description 1. 611-04074 Wheel Shaft Ass’y 33T 27. 717-1594 Spur Gear 16T Parts List 28. 721-0378 Seal 1.0 Shaft 2. 611-0021 Tine Shaft Ass’y: 18T 29. 721-0379 Seal.75 Shaft Model 450 3. 611-0128 Jack Shaft Ass’y 4. 611-0129 Input Shaft Ass’y 31. 726-0277 Taper Cap Ring Series 32. 732-0496 Compression Spring.50” Leg. 5. 617-0058 Rev. Idler Gear Ass’y: 30T 33. 736-0163 Thrust Wash. 1.03” I.D. X. 1.62” 6. 617-0059 Tine Idler Gear A
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12 67 15 12 2 70 22 70 69 60 61 68 5 10 17 23 19 18 7 20 1 3 11 8 60 14 6 16 4 61 34 62 37 9 64 25 27 30 21 39 26 38 63 27 32 36 33 31 26 24 42 46 29 49 28 66 44 26 30 41 30 44 26 40 35 50 59 51 53 65 71 58 55 56 54 57 16
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Ref. Part No. Part Description Ref. Part No. Part Description 1. 747-1152 Shift Rod 35. 786-0090 Shoulder 2. 649-0041 Upper Handle Ass’y 36. 786-0113 Tine Shield Hinge Flap 9 3. 649-0034 Lower Handle Ass’y 37. 786-0176 RH Handle Bracket 4. 710-3005 Hex Screw 3/8-16 x 1.25 38. 786-0177 LH Handle Bracket 5. 710-3056 Hex Screw 5/16-18 x 3.25 39. 786-0178 Tine Shield 6. 711-0415 Clevis Pin 3/8-1.62 40. 786-0179 Tine Shield Bracket Illustrated 7. 712-0379 Flange Lock Nut 3/8-24 41. 786-0180 Shoulde
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18 45 46 9 1 1 6 8 6 13 3 8 40 1 14 5 11 4 15 4 0 1 35 5 16 38 4 41 44 43 3 36 34 39 51 33 38 Wheel shaft shown for reference only 31 49 48 4 3 51 9 38 50 3 4 18
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9 Ref. Part No. Part Description Ref. Part No. Part Description 1. 686-0111 Belt Cover Bracket Ass’y 27. 786-0187 Shift Cover Bracket 2. 710-0237 Hex Bolt 5/16-24 x .62” 28. 786-0193 Idler Belt Keeper Illustrated 3. 710-0412 Hex Bolt 1/4-28 x .75” 29. 634-04231 Wheel Assembly 16.0 x 4.6 x 8 4. 710-0502A Hex Washer Screw 3/8-16 x 1.25” 734-0808 Tire Only 16.2 x 4.6 Parts List 5. 710-0152 Hex Bolt 3/8-24 x 1.0 30. 634-04230 Wheel Rim Assembly 6. 710-0599 Hex Washer Screw 31. 734-0255 Air Valve M
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Problem Cause Remedy 1. Spark plug wire disconnected. 1. Connect wire to spark plug. Engine fails to start 10 2. Fuel tank empty or stale fuel. 2. Fill tank with clean, fresh gasoline. 3. Throttle control lever not in correct 3. Move throttle lever to start position. starting position (if equipped) 4. Move lever to ON position. Trouble 4. Choke not in ON position. 5. Clean fuel line. Shooting 5. Blocked fuel line. 6. Clean, adjust gap, or replace. 6. Faulty spark plug. 7. Wait a few minutes to
