Yard Machines 430 Series Operator's Manual
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Yard Machines 430 Series Operator's Manual

Yard Machines 430 Series Operator's Manual

Yard machines 21" rear & side discharge mulching mower operator's manual
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Operator's Manual
21" Rear & Side
Discharge Mulching
Mower
Model Series
430
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
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 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
FORM NO. 770-10179A.FM
(10/99)
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Summary of Contents for Yard Machines 430 Series

  • Page 1 Operator’s Manual 21” Rear & Side Discharge Mulching Mower Model Series IMPORTANT: Read safety rules and instructions carefully before operating equipment. 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).

  • Page 2: Table Of Contents

    Content Important Safe Operation Practices... 3 Slope Gauge... 6 Assembling Your Lawn Mower... 7 Know Your Lawn Mower ... 10 Operating Your Lawm Mower ... 11 Making Adjustments ... 12 Maintaining Your Lawn Mower... 14 Off-Season Storage ... 15 Troubleshooting ... 16 Parts List...

  • Page 3: Important Safe Operation Practices

    SECTION 1: IMPORTANT SAFE OPERATION PRACTICES 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 lawn mower. Failure to comply with these instructions may result in personal injury.

  • Page 4: Slope Operation

    • Mow only in daylight or good artificial light. • Stop the blade when crossing gravel drives, walks or roads. • If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. •...
  • Page 5 • Never attempt to make a wheel or cutting height adjustment while the engine is running. • Grass catcher components are subject to wear, damage and deterioration, which could expose moving parts or allow objects to be thrown. For safety protection, frequently check components and replace with manufacturer’s recommended parts, when necessary.

  • Page 6: Slope Gauge

    SECTION 2: SLOPE GAUGE Use this page as a guide to determine slopes where you may not operate the lawn mower safely.

  • Page 7: Assembling Your Lawn Mower

    SECTION 3: ASSEMBLING YOUR LAWN MOWER To Remove Unit From Carton • Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton. • Remove loose parts if included with unit (i.e., operator’s manual, etc.).

  • Page 8: Assembling Grass Catcher

    • The rope guide is attached to the right side of upper handle. Loosen the wing nut which secures the rope guide. See Figure 4. • With spark plug wire disconnected and grounded, hold the blade control handle against the upper handle, and pull the starter rope out of the engine.

  • Page 9: Attaching Grass Catcher To Mower

    • Secure front of bag to front frame by working the five plastic channels on bottom, sides and top of bag over frame. See Figure 7 inset. • Hold the bag and frame so the bag hangs from the frame (is not bunched around the frame). •...

  • Page 10: Know Your Lawn Mower

    Converting To Side Discharge If your unit is equipped with a side discharge chute, you can convert to a side discharge mower as follows: • Lift the rear discharge door and install the mulching baffle. See Figure 11. • On the side of the mower, lift the mulching plug. See Figure 12.

  • Page 11: Operating Your Lawm Mower

    Blade Control Handle WARNING: This control mechanism is a safety device. Never attempt to bypass its operations. The blade control handle is located on the upper handle of the mower.The blade control handle must be depressed in order to operate the unit. Release the blade control handle to stop the engine and the blade.

  • Page 12: Making Adjustments

    • Disconnect the spark plug wire and ground it against the engine to prevent accidental starting while equipment is unattended. Using Your Rotary Mower WARNING: Never operate your unit without either the rear deflector or entire grass catcher assembly in place. •...

  • Page 13: Throttle Control

    shown in Figure 15. Reassemble, placing the bottom holes in the handle over the weld pins in the handle mounting bracket. • Reassemble the upper handle. • Place the hairpin clips in the inner holes in the weld pins and attach the starter rope as instructed in the Set-Up Instructions.

  • Page 14: Maintaining Your Lawn Mower

    SECTION 7: MAINTAINING YOUR LAWN MOWER Lubrication (Refer to Lubrication Chart in Figure 17.) WARNING: Always stop engine and disconnect spark cleaning, lubricating or doing any kind of work on lawn mower. Lube Lube Figure 17: Lubrication Chart Blade Control •...

  • Page 15: Off-Season Storage

    • Before reassembling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade adapter with light oil (or engine oil). Also lubricate the bolt holes, bolts and inner surface of the nuts. •...

  • Page 16: Troubleshooting

    SECTION 9: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Engine fails to Blade control handle disengaged. start Spark plug wire disconnected. Dirty aircleaner. Primer button not depressed. Throttle control lever not in correct starting position (if so equipped). Fuel tank empty or stale fuel. Blocked fuel line .
  • Page 17 SECTION 10: SHROUD CHART Shroud Color 751B281439 Dark Red 751B281440 Black 751B281443 Bright Red Hardware: 710-1256 Shroud Color 731-1585B Black Hardware: 710-1274 Shroud Color 7511681311 Black 7511681911 7511682011 Grey Shroud Color 731-1395A 731-1396A Black 731-1397A Grey Hardware: 710-1256 Shroud Color 731-1586B Black 731-1612A...

  • Page 18: Parts List

    SECTION 11: PARTS LIST FOR MODELS 430 THROUGH 439 Hardware for wheel 734-1978...
  • Page 19 Models 430 through 439 Ref. Part No. Description 747-0824 Control Handle Ass’y. (Std.) 647-0004 Control Handle Ass’y. (Deluxe)† 710-1205 Rope Guide 720-0279 Handle Knob 1/4-20 Thd. 710-1174 Curved Hd. Bolt 5/16-18 x 2" Lg. 720-0314 Hand Knob 710-1270 Oval C-Sunk Mach. Scr.†...
  • Page 20 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in...

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