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Yard Machines 420 manual

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Table of contents for the manual

  • Page 1

    IMPOR T ANT : READ SAFETY R ULES AND INSTR UCTIONS CAREFULL Y MTD PR ODUCTS INC. P .O . BO X 368022 CLEVELAND , OHIO 44136-9722 REAR TINE TILLER Models 410 Thru 420 O PERA T OR’S M ANU AL 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-cover[...]

  • Page 2

    2 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 RESUL[...]

  • Page 3

    3 • Only use accessories approved for this machine by the manufacturer. Read, understand, and follow all instructions provided with the approved accessory. • If situations occur which are not covered by this manual, use care and good judgment. Contact your dealer for assistance. 2. CHILDREN • Tragic accidents can occur if the operator is not [...]

  • Page 4

    4 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 Man[...]

  • Page 5

    5 SECTION 5: ASSEMBLY INSTRUCTIONS This instruction manual covers several different model tillers. Follow only those instructions which pertain to your unit. NOTE: Left and right is determined from the operator’s position, standing behind the tiller. T OOLS REQUIRED FOR ASSEMBL Y (2) 1/2" Wrenches* (1) 9/16" Wrench* (1) Pair of Pliers *[...]

  • Page 6

    6 Figure 5 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 lower shoulder bolt. See Figure 6. Figure 6 5. Pivot handle assembly into position desired. Tighten the bottom bolt and nut securely. Tighten the handle adjustment lock. A TT A CHING THE GEAR SH[...]

  • Page 7

    7 1. Remove the T-handle, nut, hairpin clip, and rubber washer from the ends of the handle adjustment rod. Slide the rod up through the left side of the bracket on the front of the handle assembly. Refer to Figure 7. 2. Slide the rubber washer on the unthreaded end of the handle adjustment rod. Insert the end of the handle adjustment rod into the p[...]

  • Page 8

    8 SECTION 6: CONTROLS Figure 12 GEAR SELECTION HANDLE The gear selection handle is located on the front of the handle assembly (right hand handle on Model 420). It is used to select NEUTRAL, REVERSE, or one of the FORWARD modes. This tiller is designed for the gear selection handle to be moved while the engine is running. (It will be difficult to o[...]

  • Page 9

    9 SECTION 7: OPERATION NOTE: Engine is shipped without oil. BEFORE ST ARTING 1. Service engine with oil as instructed in the separate engine manual packed with your unit. 2. Fill fuel tank with clean, fresh, lead-free, low- lead or regular grade leaded gasoline. T O ST AR T ENGINE NOTE: When pushing the unit with the engine off, you will hear a rat[...]

  • Page 10

    10 SECTION 8: HOW TO USE YOUR TILLER WARNING: When operating the tiller for the first time, use the depth stake setting that gives 1 inch of tilling depth (second hole from the top). Refer to Figure 14. Tilling depth is controlled by the depth stake which can be adjusted to five different settings. See Figure 14. Adjust the side shields as shown in[...]

  • Page 11

    11 SECTION 9: ADJUSTMENTS HANDLE ADJUSTMENT The handle height may be adjusted. On Model 420, the handle may also be adjusted to be in line with the tiller, or swung to the left or right. Refer to the Control section for details of handle adjustment. BEL T TENSION ADJUSTMENT Periodic adjustment of the belt tension may be required due to normal stret[...]

  • Page 12

    12 TIRES Recommended operating tire pressure is approximately 14 p.s.i. on 14 inch tires and 20 p.s.i. on 16 inch tires. (Check sidewall of tire for tire manufacturer’s recommended pressure). Maximum tire pressure under any circumstances is 30 p.s.i. Equal tire pressure should be maintained on both tires. When installing a tire to the rim, be cer[...]

  • Page 13

    13 SECTION 13: TROUBLE SHOOTING GUIDE Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer. T rouble P ossible Cause(s) Corrective Action Engine f ails to star t Fuel tank empty , or stale fuel. Throttle control le ver not in correct star ting position (if so equipped). Block ed fuel line. Dir ty aircle[...]

  • Page 14

    14 Models 410-415[...]

  • Page 15

    15 Models 410-415 REF . NO . PA R T NO DESCRIPTION 1 735-0246 Vinyl End Plug 2 647-0014 Clutch Control Ass’y . 3 710-1017 T orx Mach. AB-T ap Scr . 1/4 x .62" Lg. 4 786-0131 Handle Cov er 5 786-0098 Retaining Brkt.—R.H. 6 786-0118 Retaining Brkt.—L.H. 7 720-0278 Grip (2 Req’ d.) 8 720-0210A Knob 9 712-3008 He x Jam Nut 3/8-16 Thd. 11 7[...]

  • Page 16

    16 Models 410, 415, 420 REF . NO . P AR T NO . DESCRIPTION 1 710-0118 He x Bolt 5/16-18 x .75" Lg. 2 712-3004A He x T op L-Nut 5/16-18 Thd. 3 786-0107 Cable Mtg. Brack et 4 710-1017 T orx Mach. AB-T ap Scr . 1/4 x .6" Lg 5 738-0899 Belt Cov er Bolt 6 786-0117 Shift Cov er Bracket 7 786-0100 Belt Cov er 8 736-0142 Fl-W ash. .281" I.D [...]

  • Page 17

    17 Models 410, 415, 420 REF . NO . P ART NO . DESCRIPTION 1 721-0295 Chain Case Gasket 2 786-0086 Reinf orcement Plate 3 716-0865 Snap Ring 4 750-0938 Spacer .735" I.D . x .886" O .D . 5 611-0058 Wheel Shaft 6 717-1458 Spur Gear 46T 8 736-0351 Fl-W ash. .76" I.D . x 1.5" O.D . 9 721-0379 Shaft Seal 10 736-0518 Thr .Wash..445 I.D[...]

  • Page 18

    18 Model 420[...]

  • Page 19

    19 Model 420 REF . NO . P ART NO . DESCRIPTION 1 735-0246 Vinyl End Plug 2 647-0014 Clutch Control Ass’y . 3 710-1017 T orx Mach. AB-T ap Scr . 4 786-0131 Handle Cov er 5 786-0098 Retaining Brkt.—R.H. 6 786-0118 Retaining Brkt.—L.H. 7 720-0278 Grip (2 Req’ d.) 8 720-0210A Knob 9 712-3008 He x Jam Nut 3/8-16 Thd. 11 735-0127 Rub ber W asher [...]

  • Page 20

    MANUF A CTURER’S LIMITED W ARRANTY FOR: For TWO YEARS from the date of retail purchase within the United States of America, its possessions and territories, MTD PRODUCTS INC will, at its option, repair or replace, for the original purchaser, free of charge, any part or parts found to be defective in material or workmanship. This warranty covers u[...]