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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 b
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TABLE OF CONTENTS Content Page Important Safe Operation Practices................................................................... 3 Slope Gauge...................................................................................................... 6 Assembling Your Lawn Mower........................................................................... 7 Know Your Lawn Mower .................................................................................... 10 Operating Your Lawm Mower ..........
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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. When you see this symbol, heed its warning. WARNING: The Engine Exhaust from this product contains chemicals known to the State of
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Mow only in daylight or good artificial light. Never assume that children will remain where you Stop the blade when crossing gravel drives, walks last saw them. or roads. Keep children out of the mowing area and under the If the equipment should start to vibrate abnormally, watchful care of a responsible adult other than the stop the engine and check immediately for the operator. cause. Vibration is generally a warning of trouble. Be alert and turn mower off if a child enters the
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Never attempt to make a wheel or cutting height Mower blades are sharp and can cut. Wrap the adjustment while the engine is running. blade(s) or wear gloves, and use extra caution Grass catcher components are subject to wear, when servicing them. damage and deterioration, which could expose Do not change the engine governor setting or moving parts or allow objects to be thrown. For overspeed the engine. Excessive engine speeds safety protection, frequently check components and are da
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SECTION 2: SLOPE GAUGE Use this page as a guide to determine slopes where you may not operate the lawn mower safely. 6 USE THIS PAGE AS A GUIDE TO DETERMINE SLOPES WHERE YOU MAY NOT OPERATE SAFELY. SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE A CORNER OF A BUILDING OR A FENCE POST 15° WARNING Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A riding mower could overturn and cause serious injury. If operating a wal
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SECTION 3: ASSEMBLING YOUR LAWN MOWER IMPORTANT: This unit is shipped without gasoline or oil To Remove Unit From Carton in the engine. Be certain to service engine with gasoline Remove staples, break glue on top flaps, or cut tape and oil before operating your mower. at carton end and peel along top flap to open carton. NOTE: Reference to right or left hand side of the mower Remove loose parts if included with unit (i.e., is observed from the operating position. operator’s manual, etc.
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The rope guide is attached to the right side of upper Hardtop Grass Bag handle. Loosen the wing nut which secures the Parts for Hardtop Grass Bag: rope guide. See Figure 4. 1. Front Frame With spark plug wire disconnected and grounded, 2. Rear Frame (packed inside hardtop cover) hold the blade control handle against the upper 3. Bag handle, and pull the starter rope out of the engine. 4. Hardtop Cover Release blade control handle. Slip the rope into the 5. Mounting Bracket rope guide.
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Secure front of bag to front frame by working the remove the mulching plug from the mower even when five plastic channels on bottom, sides and top of you are not mulching the grass. bag over frame. See Figure 7 inset. To remove the mulching baffle, lift the rear Hold the bag and frame so the bag hangs from the discharge door on the mower. Remove the frame (is not bunched around the frame). mulching baffle. See Figure 11. Slide the handle on the grass catcher frame down into the slot
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Converting To Side Discharge If your unit is equipped with a side discharge chute, you Mulching Plug can convert to a side discharge mower as follows: Lift the rear discharge door and install the mulching baffle. See Figure 11. Hinge Pin On the side of the mower, lift the mulching plug. See Figure 12. Slide the two hooks of the side discharge chute under the hinge pin on the mulching plug assembly Deflector as shown below. Lower the side mulching plug. Do not remove the side mulch
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Blade Control Handle Throttle Control Your unit is equipped with one of three throttle controls WARNING: This control mechanism is a described below. Follow instructions which pertain to safety device. Never attempt to bypass its your unit. operations. 1. The throttle control is located on the left side of the The blade control handle is located on the upper handle upper handle. It is used to regulate the engine of the mower.The blade control handle must be speed. depressed in order to ope
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Disconnect the spark plug wire and ground it This mower is designed to be operated at full against the engine to prevent accidental starting throttle to give you the best cut and do the most while equipment is unattended. effective job of bagging the cut grass. WARNING: If you strike a foreign object, Using Your Rotary Mower stop the engine. Remove wire from spark plug, thoroughly inspect the mower for WARNING: Never operate your unit without any damage, and repair the damage either the re
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shown in Figure 15. Reassemble, placing the Remove the screw that secures the cable clamp. bottom holes in the handle over the weld pins in the Remove the cable clamp from the cable. handle mounting bracket. NOTE: If you have a Tecumseh engine, simply loosen Reassemble the upper handle. the screw shown in Figure 16 so the cable will move Place the hairpin clips in the inner holes in the weld freely beneath the clamp. It is not necessary to remove pins and attach the starter rope as instr
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SECTION 7: MAINTAINING YOUR LAWN MOWER Lubrication Blade Care (Refer to Lubrication Chart in Figure 17.) Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace WARNING: Always stop engine and when necessary. disconnect spark plug wire before cleaning, lubricating or doing any kind of WARNING: When removing the cutting work on lawn mower. blade for sharpening or replacement, protect hands by using heavy gloves or a rag to grasp the cutting blade
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Before reassembling the blade and the blade The deck may be cleaned by tilting the mower and adapter to the unit, lubricate the engine crankshaft scraping clean with a suitable tool (make certain the and the inner surface of the blade adapter with light spark plug wire is disconnected). oil (or engine oil). Also lubricate the bolt holes, bolts and inner surface of the nuts. Engine Install the blade adapter on the crankshaft with the Refer to the separate engine manual. “star” away f
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SECTION 9: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Corrective Actions Engine fails to 1. Blade control handle disengaged. 1. Engage blade control handle. start 2. Spark plug wire disconnected. 2. Connect wire to spark plug. 3. Dirty aircleaner. 3. Refer to the engine manual packed with your unit. 4. Primer button not depressed. 4. Refer to the engine manual packed with your unit. 5. Throttle control lever not in correct 5. Move throttle lever to FAST or START position. starting positi
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SECTION 10: SHROUD CHART Shroud Color Shroud Color Shroud Color 731-1402A Yellow 751B281439 Dark Red 731-1395A Red 731-1694 Black 751B281440 Black 731-1396A Black 731-1695 Silver 751B281443 Bright Red 731-1397A Grey 731-1934A Charcoal Hardware: 710-1256 Hardware: 710-1256 Hardware: 710-1256 Shroud Color Shroud Color Shroud Color 731-1585B Black 731-1586B Black 7510143208 Black Hardware: 710-1274 731-1612A Red Hardware: 7510042823 Hardware: 7510042823 Shroud Color Shroud Color Shroud Color 75116
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SECTION 11: PARTS LIST FOR MODELS 430 THROUGH 439 1 7 25 12 8 26 61 9 7 82 10 17 9 11 16 3 24 2 28 68 4 19 13 69 A 70 6 14 29 59 4 57 20 19 15 71 39 53 40 66 22 23 18 52 72 58 21 30 54 56 31 20 A 46 62 50 47 65 77 48 45 81 67 59 44 63 59 55 79 43 51 41 64 32 59 42 44 45 40 49 39 59 46 36 80 34 33 76 45 79 76 46 Hardware for wheel 734-1978 18
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Models 430 through 439 Ref. Part No. Description Ref. Part No. Description No. No. 1 747-0824 Control Handle Ass’y. (Std.) 44 738-0507B Shld. Bolt .5" Dia. x .357" 647-0004 Control Handle Ass’y. (Deluxe)† 45 736-0105 Bell-Wash. .38" I.D. x .88" O.D. 2 710-1205 Rope Guide 46 738-0102 Front Axle Bolt 3 720-0279 Handle Knob 1/4-20 Thd. 47 720-0190 Spring Lever Knob 4 710-1174 Curved Hd. Bolt 5/16-18 x 2" Lg. 48 732-0417A Rear Spring Lever 6 720-0314 Hand Knob 49 14578 Height Adj. Ass
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MANUFACTURER’S LIMITED WARRANTY FOR: c. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC (“MTD”) with respect to new merchandise as brake adjustments, clutch adjustments or deck purchased and used in the United States, its possessions adjustments; and normal deterioration of the exterior and territories. finish due to use or exposure. d.MTD does not extend any warranty for p
