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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
21” Rotary Mower — Model Series 580
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 meeting applicable local or st
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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 Troubleshooting ................................................ 12 Safe Operation Practices ................................... 4 Safety Labels .................................................... 13 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- behind mower on such a slope, it is extremely difficult to maintain your footing and you could slip, resulting in serious injury. Operate RID
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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 Safe
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19. Shut the engine off and wait until the blade comes to a 6. Extinguish all cigarettes, cigars, pipes and other sources complete stop before removing the grass catcher or unclog- of ignition. ging the chute. 7. 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 8. Never remove gas cap or add fuel while engine is hot or 2 the blade area u
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1. Remove any packing material which may be between upper and lower handles. a. Pull up and back on upper handle as shown in Figure 3-1. Make certain the lower handle is seated A 3 securely into the handle mounting brackets. b. Tighten hand knobs securing upper handle to lower handle. Make sure that each carriage bolt is seated properly in the handle. Setup and 2. Locate hairpin clip in one hole on the weld pin on each side of lower handle. Adjustment NOTE: Your mower is shipped with th
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c. Slide wheel, with hollow side in, onto pivot arm and secure with lock nut. See Figure 3-5. d. Assemble the other side in the same manner. 6. An adjusting plate and thumb lever at each wheel 3 position provides cutting height adjustment. a. Depress lever towards wheel. b. Move it to any of the nine positions for desired Setup and cutting height. See Figure 3-6. c. Release lever towards mower deck. Adjustment 7. Follow steps below to assemble the grass catcher: a. Place bag over frame so th
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Know Your Lawn Mower Blade Control 4 Operating Your Lawn Recoil Mower Starter Cutting Height Adjustment Lever (for each wheel) WARNING The blade control mechanism is a safety device. Never attempt to bypass its operations. Use extreme care when handling Figure 4-1: The main components on the mower. gasoline. Gasoline is extremely flammable Now that you have set up your lawn mower for opera- Recoil Starter tion, get aquainted with its controls and features. These and the vapors are T
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Starting Engine WARNING: Be sure no one other than the operator is standing near the lawn mower 2 while starting engine or operating mower. Never 4 run engine indoors or in enclosed, poorly ventilated areas. Engine exhaust contains carbon monoxide, an odorless and deadly gas. Keep hands, feet, hair and loose clothing away from any moving parts on engine Operating and lawn mower. Your Lawn 3 Follow the set of instructions pertaining to your unit. Mower Refer to engine manual for help wi
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3. Lubricate the torsion spring and pivot point on the rear discharge door periodically with light oil to prevent rust. See Figure 5-1. 4. Follow the accompanying engine manual for lubrica- 5 tion schedule and instruction for engine lubrication. Deck Care Clean underside of the mower deck after each use to Maintaining prevent build-up of grass clippings or other debris. Follow steps below for this job. Your Lawn 1. Disconnect spark plug wire. Drain gasoline from lawn mower, or place a pi
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Blade Care WARNING: When removing the cutting blade for sharpening or 5 replacement, protect your 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. Fig
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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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Safety Label Found On Your Lawn Mower Safety Labels TO REDUCE THE RISK OF INJURY, DO NOT OPERATE UNLESS DISCHARGE COVER OR GRASS CATCHER IS IN ITS PROPER PLACE. IF DAMAGED, REPLACE IMMEDIATELY. MAX 15 ˚ KEEP HANDS and FEET AWAY • DO NOT MOW WHEN CHILDREN OR OTHERS ARE AROUND. AVOID SERIOUS INJURY OR DEATH • USE EXTRA CAUTION ON SLOPES. DO NOT • KEEP HANDS AND FEET AWAY FROM MOW SLOPES GREATER THAN 15 MOW ˚ ROTATING PARTS. ACROSS, NEVER UP AND DOWN. NEVER PULL MOWER CLOSE TO YOUR FEET. LO
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Model Series 580 46 3 33 1 2 8 5 6 11 9 7 34 37 4 36 13 16 18 44 32 12 20 45 42 41 39 43 45 17 38 47 14 40 35 30 21 19 28 29 27 30 45 25 45 22 23 45 15 26 24 31 Wheel Treads Pin Bar Tread Zag Tread K2 Bar Tread 14
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Ref. Part No. Description Ref. Part No. Description No. No. 1 747-1161A Blade Control 26 736-0524B Blade Bell Support 2 749-1092A Upper Handle 27 787-01290 Front Adjustment Plate 8 3 747-04080 Grass Catcher Frame 28 720-0426 Adjustment Lever Knob 4 749-0928A Lower Handle 29 732-0404 Spring Lever Parts List 5 720-0279 Wing Nut 30 738-0507B Shoulder Screw 6 710-1205 Rope Guide 31 734-2005A Front Wheel, 8” x 2.125”, Zag 7 710-1174 Carriage Bolt ,5/16-18 x 2 734-04086 Front Wheel, 7” x 1.8”, Pin Bar
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MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect e. MTD does not extend any warranty for products sold or exported to new merchandise purchased and used in the United States, its outside of the United States, its possessions and territories, except possessions and territories. those sold through MTD’s authorized channels of export distribution. “MTD” warrants this product against defects in material and workman- f. Replacement parts tha
