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OPERATOR’S MANUAL
REAR TINE
TILLER
Models
410 Thru 420
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 o
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SECTION 1: IMPORTANT SAFE OPERATION 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 YOUR TILLER. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL— HEED ITS WARNING. WARNING: The Engine Exhaust from this product contains chemicals known to the State
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• Only use accessories approved for this machine • Replace gasoline cap securely and wipe off any by the manufacturer. Read, understand, and follow spilled gasoline before starting the engine as it all instructions provided with the approved may cause a fire or explosion. accessory. • Extinguish all cigarettes, cigars, pipes and other • If situations occur which are not covered by this sources of ignition. manual, use care and good judgment. Contact • Never refuel unit indoors because flammabl
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SECTION 2: 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 start to prepare your tiller for its first use, please locate the model plate and copy the information from it in this Operators Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department. • Eve
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SECTION 5: ASSEMBLY INSTRUCTIONS This instruction manual covers several different 1. Tip the tiller forward so it rests on front model tillers. Follow only those instructions which counterweight. pertain to your unit. 2. Unthread the “T” knob from the top of the depth stake, and remove the flat washer and hex bolt. NOTE: Left and right is determined from the Remove the hairpin clip from the clevis pin. See operator’s position, standing behind the tiller. Figure 3. 3. Raise the
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Flange Nut Retainer Bracket T-Handles Shoulder Bolt Lock Nut Lift up Gear Shift Handle Rod Handle Adjustment Rod (Model 420 Only) Figure 5 Figure 7 4. Place the hex opening of the hex nut retainer bracket over the flange nut securing the handle adjustment lock and install the lock nut on the Gear Shift Rod lower shoulder bolt. See Figure 6. Opening Shift Cover Hex Hole in Handle Adjustment Retainer Bracket Lock over Flange Nut Rubber Washer Flat Washer Hairpin Clip Figure 8 3. Ins
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3. Pull the cable upwards to obtain slack, and, 1. Remove the T-handle, nut, hairpin clip, and from right to left, hook the “Z” end of the cable rubber washer from the ends of the handle into the bracket on the clutch control (beneath adjustment rod. Slide the rod up through the left the handle panel) as shown in Figure 11. side of the bracket on the front of the handle Tighten the nut against the cable bracket. assembly. Refer to Figure 7. NOTE: Do not overtighten con
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SECTION 6: CONTROLS WARNING: Make certain unit is in Gear Selection Handle NEUTRAL when starting the engine. CLUTCH HANDLE - (Bail) Handle Height The clutch handle (bail) is located beneath the Adjustment Handle Clutch handle. See Figure 12. Squeezing the clutch handle Lock Adjustment Handle against the handle engages the wheel and tine drive (Side to Side) (Bail) mechanisms. (Model 420 Only) THROTTLE CONTROL Depth The throttle control lever is located on the engi
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SECTION 7: OPERATION NOTE: Engine is shipped without oil. 5. Pull starter handle rapidly. Do not allow handle to snap back. Allow it to rewind slowly while BEFORE STARTING keeping a firm hold on the starter handle. 1. Service engine with oil as instructed in the 6. Repeat steps 4 and 5 until engine starts. separate engine manual packed with your unit. 7. As engine warms up and begins to operate 2. Fill fuel tank with clean, fresh, lead-free, low- evenly, move choke
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SECTION 8: HOW TO USE YOUR TILLER 3. When tilling loose soil, depth stake may be WARNING: When operating the tiller raised to its highest position (use bottom for the first time, use the depth stake adjustment hole) to give the deepest tilling setting that gives 1 inch of tilling depth depth. Raise the side shields to their highest (second hole from the top). Refer to position. Figure 14. 4. To transport tiller, lower the depth stake (use Tilling depth is controlled by the de
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SECTION 9: ADJUSTMENTS HANDLE ADJUSTMENT CARBURETOR ADJUSTMENT The handle height may be adjusted. On Model 420, the handle may also be adjusted to be in line with WARNING: If any adjustments are the tiller, or swung to the left or right. Refer to the made to the engine while the engine is Control section for details of handle adjustment. running, (e.g. carburetor), disengage all clutches and tines. Keep clear of all BELT TENSION ADJUSTMENT moving parts. Be careful of heated Periodic adjustment
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Remove two torx head screws from the top of TIRES belt cover. Recommended operating tire pressure is Remove two hex cap nuts and flat washers approximately 14 p.s.i. on 14 inch tires and 20 p.s.i. from front side of the belt cover. Remove the on 16 inch tires. (Check sidewall of tire for tire hex nut and flat washer at the back of the cover. manufacturer’s recommended pressure). Maximum tire pressure under any circumstances is 30 p.s.i. 3. Remove the belt keeper assembly located Equal tire press
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SECTION 13: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Corrective Action Engine fails to Fuel tank empty, or stale fuel. Fill tank with clean, fresh gasoline. Fuel will not last over start thirty days unless a fuel stabilizer is used. Throttle control lever not in correct Move throttle lever to start position. starting position (if so equipped). Blocked fuel line. Clean fuel line. Dirty aircleaner. Refer to the engine manual packed with your unit. Choke not in ON position. Move switch to
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Models 410-415 14
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Models 410-415 REF. PART REF. PART DESCRIPTION DESCRIPTION NO. NO NO. NO 1 735-0246 Vinyl End Plug 33 786-0090 Side Shield 2 647-0014 Clutch Control Ass’y. 34 786-0113 Rear Tine Shield 3 710-1017 Torx Mach. AB-Tap Scr. 35 686-0044A N End Cover Ass’y. 1/4 x .62" Lg. 36 738-0849 Hex Cap Bolt 5/16-18 x 1.25" 4 786-0131 Handle Cover 38 710-3002 Hex Bolt 5/16-18 x .75" Lg. 5 786-0098 Retaining Brkt.—R.H. 39 710-3097 Carriage Bolt 3/8-16 x 1" Lg. 6 786-0118 Retaining Brkt.—L.H. 40 712-0798 Hex Ins.
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Models 410, 415, 420 REF. REF. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 1 710-0118 Hex Bolt 5/16-18 x .75" Lg. 24 756-0971 Inner Engine Pulley Half 2 712-3004A Hex Top L-Nut 5/16-18 Thd. 25 786-0080 Idler Bracket 3 786-0107 Cable Mtg. Bracket 26 710-0723 Hex Bolt 3/8-16 x 1.25" Lg. 4 710-1017 Torx Mach. AB-Tap Scr. 1/4 x .6" Lg 27 746-0916 Clutch Cable 5 738-0899 Belt Cover Bolt 28 734-0255 Air Valve 6 786-0117 Shift Cover Bracket 29 714-0104 Hairpin Clip 7 786-0100 Belt Cover 30 711-10
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Models 410, 415, 420 REF. REF. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 1 721-0295 Chain Case Gasket 30 736-0541 Fl-Wash. 7/16" I.D. x 1-3/8" O.D. 2 786-0086 Reinforcement Plate 31 617-0002 Gear and Sprocket Ass’y. 3 716-0865 Snap Ring 32 738-0884 Jack Shaft 5" Lg. 4 750-0938 Spacer .735" I.D. x .886" O.D. 33 750-0931 Spacer .636" I.D. x .86" O.D. 5 611-0058 Wheel Shaft 35 717-1411 Spur Gear 10T 6 717-1458 Spur Gear 46T 36 750-0930 Spacer 1.5" I.D. x 1.76" O.D. 8 736-0351 Fl-Wash. .76"
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Model 420 18
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Model 420 REF. REF. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 1 735-0246 Vinyl End Plug 38 710-0118 Hex Bolt 5/16-18 x .75" Lg. 2 647-0014 Clutch Control Ass’y. 39 710-3097 Carriage Bolt 3/8-16 x 1" Lg. 3 710-1017 Torx Mach. AB-Tap Scr. 40 712-0798 Hex Nut 3/8-16 Thd. 4 786-0131 Handle Cover 43 712-3004A Hex Fl. Tp. L-Nut 5/16-18 Thd. 5 786-0098 Retaining Brkt.—R.H. 44 786-0076 Tine Shield Brkt.—R.H. 6 786-0118 Retaining Brkt.—L.H. 45 786-0077 Tine Shield Brkt.—L.H. 7 720-0278 Grip (2 Re
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MANUFACTURER’S LIMITED WARRANTY FOR: For TWO YEARS from the date of retail purchase products sold or exported outside of the United within the United States of America, its possessions States of America, its possessions and territories, and territories, MTD PRODUCTS INC will, at its except those sold through MTD PRODUCTS INC’s option, repair or replace, for the original purchaser, authorized channels of export distribution. free of charge, any part or parts found to be Other Warranties: defectiv
