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MTD 830 Series Operator's Manual

21-inch rotary mower
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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR'S MANUAL
21-inch Rotary Mower — Model Series 830
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 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 361131 Cleveland,
Ohio 44136-0019.
FORM NO. 769-03031
PRINTED IN U.S.A
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
12/22/2006

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  • Page 1 (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 361131 Cleveland, Ohio 44136-0019. FORM NO. 769-03031 PRINTED IN U.S.A MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 12/22/2006...

  • Page 2: Table Of Contents

    Off-Season Storage and Safety Labels ..15 Operating Your Lawn Mower ......8 Parts List ............16 MTD LLC reserves the right to change product specifications, designs, and equipment without notice and without incurring obligation. Finding and Recording Model Number BEFORE ASSEMBLING YOUR NEW EQUIPMENT,...

  • Page 3: Slope Gauge

    Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes. 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).

  • Page 4: Safe Operation Practices

    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. DANGER: This machine was built to be operated according to the rules for safe operation in this manual.

  • Page 5: Slope Operation

    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.

  • Page 6: Setup And Adjustment

    1. Remove grass catcher and any packing material which may be between upper and lower handles. a. Remove hand knobs from handle mounting brackets and pull up and back on upper handle as shown in Figure 3-1. Make certain the lower handle is seated securely into the handle mounting brackets.

  • Page 7: Cutting Height

    WARNING: Never operate mower unless 10. To convert to side discharge, make sure grass the hooks on the grass catcher are firmly catcher is off of the unit and rear discharge door is seated on the pivot rod and the rear closed.

  • Page 8: Operating Your Lawn Mower

    Know Your Lawn Mower Drive Control Blade Control Operating Height Adjustment Lever Your Lawn Recoil Starter Mower WARNING The blade control mechanism is a safety device. Never Mulching attempt to bypass its Plug operations. Figure 4-1: The major components on the mower. Mulching Plug Now that you have setup your lawn mower for operation, Use extreme care...

  • Page 9: Starting Engine

    WARNING: The operation of any lawn mower can result in foreign objects being thrown into the eyes, which can damage your eyes severely. Always wear safety glasses while operating the mower or while performing any adjustments or repairs on it. Starting Engine Operating WARNING: Be sure no one other than the...

  • Page 10: Maintaining Your Lawn Mower

    Lubrication 1. Lubricate pivot points on the blade control at least once a season with light oil. The blade control must operate freely in both directions. See Figure 5-1. 2. Lubricate the wheels at least once a season with light oil (or motor oil). If wheels are removed for any Maintaining reason, lubricate surface of the axle and inner surface of the wheel with light oil.

  • Page 11: Blade Care

    Blade Care WARNING: When removing cutting blade for sharpening or replacement, protect your hands with a pair of heavy gloves or use a heavy rag to hold blade. 1. Disconnect spark plug wire from spark plug. Turn Maintaining mower on its side making sure that the air filter and the carburetor are up.
  • Page 12 7. Replace with new belt, working it between the deck and baffle, first around the transmission pulley and then the engine pulley. NOTE: Make certain that belt is seated correctly and that it is riding smoothly on the engine pulley and is not pinched between the lower and upper pulley halves.
  • Page 13 Charging Battery (If Equipped) WARNING: The battery contains cor- rosive fluid and toxic material; handle with care and keep away from children. Do not puncture, disassemble, mutilate or incinerate the battery. Explosive gases could be vented during Maintaining charging or discharging. Use in a well ventilated area, away from sources of ignition.

  • Page 14: Troubleshooting

    Problem Cause Remedy 1. Blade control disengaged. 1. Engage blade control. Engine fails to start 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.

  • Page 15: Off-Season Storage And Safety Labels

    Safety Labels Found On Your Lawn Mower Safety Labels WARNING DO NOT remove safety (or any) labels from mower for any reason.
  • Page 16 Model Series 830...

  • Page 17: Parts List

    Ref. Part No. Description Ref. Part No. Description 746-04265A Drive Cable 731-05157 Mulch Plug 735-04059 Rubber Grommet 731-05017A Rear Door 753-05096A Drive Control Assembly 710-1241 Screw, 1/4-15 x 1.00 Parts List 731-04859* Bail Cover 720-04072 Star Knob 747-1161A Blade Control 732-04264 Torsion Spring, RH 746-04213...
  • Page 18 Model Series 830 shown for reference shown for reference...
  • Page 19 Ref. Part No. Description 754-04093 V-Belt 732-04338 Spring Lever 720-0230 Foam Grip Parts List 717-04184A Spur Gear, 14T - LH 710-0599 TT Screw, 1/4-20 x 0.50 750-04305A Spacer 749-04267A Cross Bracket 687-02204 Front Bracket Assembly 731-05470 Clip Spacer 741-04136B Split Hex Flange Bearing 734-04033 Front Wheel 712-04065...
  • Page 20 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.

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