Yard-man )/ REAR TINE TILLER MODEL 21A-458B401 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an internal combustion engine and should not b used on or near any unimproved forest covered, brush-covered or grass-covered land duress the engines exhaust shyster is equipped with a spark arrested meeting applicable local or state laws {if any}. #f a spark arrested is used, it should be maintained in effective working order by the operator.
SECTION 1: FINDING YOUR MODEL NUMBER This Operator’s Manual is an important part of your new tiller. it will help you assemble, prepare and maintain your tiller. Please read and understand what it says. Before you stat to prepare your tiller for its first use, please locate the model plate and copy the information from it in this Operator's Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department, = Every tiller has a model plate.
SECTION 3: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF A 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 YOUR TILLER, FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL— HEED TS WARNING.
+ Only use accessories approved for this machine by + Extinguish all cigarettes, cigars, pipes and other the manufacturer. Read, understand, and folio ail sources of ignition. instructions provided with the approved accessory. + Never refuel unit indoors because Flammable « If situations occur which are not covered by this vapors wilt accumulate in the area. manual, se cars and good judgment. Contact your + Never sire the machine o fuel container inside dealer for assistance.
SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: This unit is shipped WITHOUT GASOLINE or OIL. After assembly, see separate engine manual for proper fuel and engine oil recommendations. NOTE: Left and right is determined from the operator’s position, standing behind the tiller, TOOLS REQUIRED FOR ASSEMBLY Adjustable Wrenches Pair of Pliers TO REMOVE UNIT FROM CARTON 1. Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton. 2.
I Cable Bracket / } Washer Figure 5 ATTACHING THE CLUTCH CABLE Attach the clutch cable 1o the handier as follows (be careful not to kink the cable}. 1. Route the clutch cable to the left side of the tiller, and underneath the handle. Push the "Z" end of the cable into the hole in the clutch control bail, You will need to attach the "Z" end from the inside to the outside. Push the clutch control bail inward and rotate it forward past the stop. (See Figure 8). Thread the top nut from the cable casing.
Position the filler so the front counterweight is against a solid object, such as a wall. With the gear selection lever in NEUTRAL, start the engine. Refer to the separate engine manual, Standing on the right side of the tiller, examine the bat {inside the belt cover). It should not be turning. NOTE: Do not put fingers under the belt cover. if the belt turns with the unit in neutral, adjust by moving the hex nut below the cable bracket down two full turns. See Figure 5.
DEPTH STAKE The depth bar controls the tilling depth. Refer to SECTION 8&: HOW TO USE YOUR TILLER on page g, HANDLE ADJUSTMENT (See Figure 8) The handle may be adjusted fo be raised or lowered in line with the tiller. To adjust the handle position loosen the handier height adjustment crank a few turns. Pivot handle up or down to desired position. Tighten crank. SECTION 7: OPERATION NOTE: Engine is shipped without oil. be certain to read SECTION 8: HOW TO USE YOUR TILLER on page 9.
Transport Use This § ~“Position Position First Tii Figure 8 To transport tiller, lower the depth stake (use top adjustment hole}. To adjust the depth stake, remove the clevis pin and hairpin clip. See Figure 8. Move the depth stake to the desired setting. To adjust the side shields, remove the front wing nut and loosen the rear wing nut. See Figure 10. Place side shield in position desired. Replace wing nuts and tighten securely.
To adjust the tension on the belt, refer to clutch adjustment information in “Checking the Clutch Adjustment” section of the Assembly instructions. After belt tension has been adjusted, if the belt is excessively stretched, you may need to adjust the idler pulley rod. This can easily be checked. With the engine off and the clutch control bail disengaged, shift the gear selection handle o each forward mode.
BELT REPLACEMENT CAUTION: Do not use an off-the-sheet belt. Your tiller has been engineered with a belt made of special material (Kevlar Tensile) for longer life and better performance. It should not be replaced with an off-the-shelf belt. # belt replacement is required, order belt or belies by part number from your nearest authorized dealer. Part No. Belt 1. Disconnect and ground the spark plug wire against the engine. Remove the belt cover from the left side of the tiller as follows: See Figure 11.
SECTION 12: OFF-SEASON STORAGE If the tiller will not be used for a period longer than 30 days, the following steps should be taken to prepare the tiller for storage. 1. Clean the exterior of engine and the entire tiller thoroughly. Lubricate the tiller as described in the lubrication instructions 2. Refer to the engine manual for correct engine 3. Wipe tines with oiled rag to prevent rust. 4. Store tiller in a clean, dry area. Do not store next 1o corrosive materials, such as fertilizer.
Model 458 REF. REF, NO. PART NO. DESCRIPTION NO, PART NO. DESCRIPTION 1 6110020 Wheel Shaft Ass'y: 337 28 721-0378 Seal 1.0 Shaft 2 £11-0021 Tine Shaft Ass'y: 18T 26 210879 Seal .75 Shalt 3 6110128 Jack Shaft Ass'y 31 7260277 Taper Cap Ring 4 6110129 input Shaft Ass'y 32 732-0456 Compression Spring 50" Lg. & 617-0058 Rev. idler Gear Ass'y: 30T 33 736-0168 Thrust Wash. 1.62" 0.0, 6 §17-0059 Tine idler Gear Ass'y: 30T 34 736-0351 F-Wash 76" 10, x 1.5° 0.
Model 458 17 REF. REF. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 1 747-1152 Shift Fod 32 738-0848 Hex Screw 649-0033 Upper Handle Ass'y 33 T47-0432 Rod 3 649-0034 Lower Handle Ass'y 34 750-0885 Spacer .435 0.D. x 322 1.D, 4 710-3005 Hex Screw x 1.25 35 788-0090 Shoulder 5 710-3056 Hex Screw x 3.25 36 786-0113 Tine Shield Hinge Flap & 711-0415 Clevis Pin 37 786-0176 FLH. Handle Bret. 7 712-0379 Flange Lock Nut 38 766-0177 L.H. Handle Bret.
Model 458 “THE. REF. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 1 686-0111 Belt Cover Bret. Ass'y 25 [786-0064A tidier Bracket 2 710-0237 Hex Bolt 786-0186 Belt Keeper Brit. 3 710-0412 Hex Bolt x.78" Lg. 27 786-0123A Shift Cover Bret. 4 710-0502A Hex Wash. RT-Sems Screw x 28 786-0193 tidier Belt Keeper 1.250" Lg. 28 1634-0108 RH Wheel Ass’y Comp. 16.0 X 4.0 5 7100581 Hex Bolt x 1.00 834-0107 LH Wheel Ass’y Comp. 18.0x4.0 6 710-0589 Hex Wash. Hd. S-Tap Ser. 734-0808 Tire Ninny 16.0 x 4.
MANUFACTURER’S LIMITED WARRANTY FOR: YARD-Md N For TWO YEARS from the date of retail purchase within the United States of America, iis possessions and territories, MTD PRODUCTS INC will, at its option, repair or replace, for the original purchaser, free of charge, any part or pairs found to be defective in material or workmanship.
