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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
21” Rear & Side Discharge
Mulching Lawn Mower
Model Series 430
IMPORTANT
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION
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 mee
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This Operator’s Manual is an important part of your new lawn mower. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says. Table of Contents Slope Gauge ....................................................... 3 Maintaining Your Lawn Mower ......................... 10 Safe Operation Practices ................................... 4 Troubleshooting ................................................ 12 Setup and Adjustment ............
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����������������������������������������������� ������������������������������������������������� ���������������������������� ��������������� ��� Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes. 1 Slope Gauge 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 walk- behi
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WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo- nents contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm. 2 DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This machine is capable of amputating hands and feet and throwing objects
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19. Shut the engine off and wait until the blade comes to a 7. Extinguish all cigarettes, cigars, pipes and other sources complete stop before removing the grass catcher or unclog- of ignition. ging the chute. 8. Never fuel machine indoor because flammable vapors will The cutting blade continues to rotate for a few seconds after accumulate in the area. the engine is shut off. Never place any part of the body in 9. Never remove gas cap or add fuel while engine is hot or 2 the blade area u
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This Operators Manual covers a range of product specifications for various models. Characteristics and fea- tures discussed and/or illustrated in this manual may not be applicable to all models. MTD LLC reserves the right 3 to change product specifications, designs, and equipment without notice and without incurring obligation. 1. Remove any packing material which may be between Setup and upper and lower handles. � a. Pull up and back on upper handle as shown in Adjustment Figure 3-1. Ma
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5. Follow steps below to assemble the grass catcher (if needed). Make certain bag is turned right side out before assembling (warning label will be on the outside). � 3 a. Place bag over frame so that its black plastic side is at the bottom. b. Slip plastic channel of grass bag over hooks on the Setup and frame, Figure 3-5. All the plastic channels except center top of bag attach from outside of bag. Adjustment c. Attach center top of bag from inside of bag. 6. Follow steps below to atta
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Know Your Lawn Mower Blade Control 4 Operating Your Lawn Recoil Starter Mower Grass Catcher Cutting Height Adjustment Levers (front and rear, for each wheel) WARNING The blade control is a Mulch Plug safety device. DO NOT bypass its operations. Side Discharge Chute Use extreme care when handling gasoline. Figure 4-1: The main components on the mower. Gasoline is extremely flammable and the vapors are explosive. Never fuel Now that you have setup your lawn mower, its important to becom
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Starting Engine WARNING: Be sure no one other than the op- � erator is standing near the lawn mower while 4 starting engine or operating mower. Never 3 run engine indoors or in enclosed, poorly ventilated areas. Engine exhaust contains carbon monoxide, an odorless and deadly gas. Keep hands, feet, hair and Operating loose clothing away from any moving parts on engine and lawn mower. Your Lawn � Mower 1. Push primer three times. Wait about two seconds � between each push, Figure 4-2. In t
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Deck Care Clean underside of the mower deck after each use to prevent build-up of grass clippings or other debris. 1. Disconnect spark plug wire. Drain gasoline from lawn 5 mower, or place a piece of plastic under the gas cap. 2. Tip mower so that it rests on the housing. Keep the side with the air cleaner facing up. Hold mower firmly. Maintaining WARNING: Never tip the mower more than 90º Your Lawn in any direction and do not leave the mower tipped for any length of time. Oil can drain
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Blade Care WARNING: When removing the cutting blade for sharpening or replacement, protect your 5 hands with a pair of heavy gloves or use a heavy rag to hold the blade. Maintaining Periodically inspect the blade adapter for cracks, Your Lawn especially if you strike a foreign object. Replace when necessary. Follow the steps below for blade service. Mower 1. Disconnect spark plug wire from spark plug. Turn mower on its side making sure that the air filter and the carburetor are up. 2. R
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Remedy Cause Problem Engine fails to start 1. Blade control disengaged. 1. Engage blade control. 6 2. Spark plug wire disconnected. 2. Connect wire to spark plug. 3. Fuel tank empty or stale fuel. 3. Fill tank with clean, fresh gasoline. 4. Engine not choked. 4. Choke engine as instructed in the “Operating Your Lawn Mower” section. Trouble 5. Clean, adjust gap, or replace. 5. Faulty spark plug. 6. Clean fuel line. 6. Blocked fuel line. Shooting 7. Wait a few minutes to restart, but do 7. Engi
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7 Safety Labels � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � WARNING � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � DO NOT remove safety � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
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Model Series 430 � � � �� � � � �� � � �� �� �� � �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� �� 14
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Ref. Part No. Description Ref. Part No. Description No. No. 1 747-1161A Blade Control Handle 29 720-0426 Adjustment Lever Knob 2 749-1092A Upper Handle 30 732-0404 Spring Lever Assembly 8 3 747-04080 Grass Catcher Frame 31 787-01292 Handle Bracket - RH 4 749-0928A Lower Handle 787-01291† Handle Bracket - LH Parts List 5 720-0279 Wing Nut 32 734-04086 Front Wheel, 7 x 1.8 6 710-1205 Rope Guide 33 710-04371 Screw, 1/4-15 x 1.250 7 710-1174 Carriage Bolt ,5/16-18 x 2 34 746-1137 Control Cable - 53”
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MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect to e. MTD does not extend any warranty for products sold or exported new merchandise purchased and used in the United States, its posses- outside of the United States, its possessions and territories, except sions and territories. those sold through MTD’s authorized channels of export distribution. “MTD” warrants this product against defects in material and workmanship f. Replacement par
