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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
21” Rotary Mower — Model 829
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 law
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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 Trouble Shooting .............................................. 14 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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The cutting blade continues to rotate for a few seconds after 7. Extinguish all cigarettes, cigars, pipes and other sources the engine is shut off. Never place any part of the body in of ignition. the blade area until you are sure the blade has stopped 8. Never fuel machine indoors because flammable vapors will rotating. accumulate in the area. 20. Never operate mower without proper trail shield, discharge 9. Never remove gas cap or add fuel while engine is hot or 2 cover, grass catcher,
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1. Remove grass catcher and any packing material which may be between upper and lower handles. a. Remove hand knobs from handle brackets and pull up and back on upper handle as shown in 3 Figure 1. Make certain the lower handle is seated securely into the handle mounting brackets. b. Tighten hand knobs securing upper handle to Setup and lower handle. Make sure that each carriage bolt is seated properly in the handle. A Adjustment 2. Replace and tighten hand knobs removed earlier securi
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WARNING: Never operate mower unless the hooks on the grass catcher are firmly seated in the slots on the handle bracket as- 3 B semblies, and the rear discharge A door rests firmly against top of the grass catcher. Setup and 6. Follow steps below to install the mulching baffle: Adjustment a. Lift the rear discharge door and lift the grass catcher up and off of the pivot rod, if installed. b. Insert the mulching baffle as shown in Figure 5 and release the rear discharge door. 7. The cutt
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Know Your Lawn Mower Blade Control 4 Drive Control Recoil Operating Starter Your Lawn Mower Height Adjustment Lever Grass Bag Oil Fill WARNING The blade control mechanism is a safety device. Never attempt to bypass its operations. Gasoline Fill Use extreme care Figure 8 when handling Now that you have set up your lawn mower for gasoline. Gasoline is Cutting Height Adjustment Lever operation, get acquainted with its controls and fea- The cutting height adjustment lever is located above
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WARNING: The operation of any lawn mower can result in foreign objects being thrown into the eyes, which can damage your eyes severely. Always 2 wear safety glasses while operating 4 3 the mower, or while performing any adjustments or repairs on it. Operating Starting Engine Your Lawn WARNING: Be sure no one other than Mower the operator is standing near the lawn mower while starting engine or operat- ing mower. Never run engine indoors 3 or in enclosed, poorly ventilated areas. Engin
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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 10. 5 2. Lubricate the wheels at least once a season with Lubricate these light oil (or motor oil). If wheels are removed for any points before reason, lubricate surface of the axle and inner surface Maintaining reassembly. of the wheel with light oil. See Figure 10. 3. Lubricate the torsion spring and pivot point on the rear
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Blade Care WARNING: When removing cutting blade for sharpening or replacement, 5 protect your hands with a pair of heavy gloves or use a heavy rag to hold blade. Maintaining 1. Disconnect spark plug wire from spark plug. Turn mower on its side making sure that the air filter and Your Lawn the carburetor are up. 2. Remove bolt, blade bell support, blade, and blade Mower adapter from the engine crankshaft. See Figure 12. NOTE: When removing the blade, blade adapter, etc., be careful not t
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NOTE: Make certain that belt is seated correctly and Off-Season Storage that it is riding smoothly on the engine pulley and is not The following steps should be taken to prepare your lawn pinched between the lower and upper pulley halves. mower for storage. 1. Clean and lubricate mower thoroughly as described in 5 the lubrication instructions. 9. Tighten self-tapping screw securing deck baffle loosened earlier. 2. We do not recommend the use of a pressure washer or garden hose to clean yo
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Notes 5 Maintaining Your Lawn Mower 13
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Problem Cause Remedy 1. Engage blade control handle. 1. Blade control handle disengaged. Engine fails to start 2. Connect wire to spark plug. 2. Spark plug wire disconnected. 6 3. Fill tank with clean, fresh gasoline. 3. Fuel tank empty or stale fuel. 4. Prime engine as instructed in 4. Engine not primed. “Operating Your Lawn Mower”. Trouble 5. Clean, adjust gap, or replace. 5. Faulty spark plug. 6. Clean fuel line. Shooting 6. Blocked fuel line. 7. Wait a few minutes to restart, but 7. Engin
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Safety Labels Found On Your Lawn Mower � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Safety Labels WARNING � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � DO NOT remove safety � � � � � � � � � � � � � � �
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11 13 Shown For Reference 23 4 20 24 29 17 6 25 3 20 19 27 28 Shown For Reference 1 10 9 8 18 26 7 5 16 2 15 12 22 21 14 1 618-04229 Transmission Assembly 16 687-02133 Front Bracket Assembly 2 710-04223 Screw, M6 x 1.0 17 687-02134 Rear Bracket Assembly 3 715-0221 Dowel Pin 18 687-02148 Handle Bracket Assembly - RH 4 717-04184 Spur Gear, 14T - LH 19 687-02149 Handle Bracket Assembly - LH 5 717-04192 Spur Gear, 14T - RH 20 710-0599 TT Screw, 1/4-20 x .500 6 732-0611 Extension Spring, .38 OD x 3.6
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9 8 13 Parts List 20 24 4 15 22 18 14 5 17 To order replacement parts, contact 1-800- 800-7310 or visit www. 1 mtdproducts.com. 1 6 25 2 21 10 23 11 12 3 8 7 19 2 1 16 5 1 721-04107 Oil Seal 14 721-04110 O-Ring 2 741-04106 Plastic Bushing 15 726-04043 Push Nut, 3/8 ID x 3/4 OD 3 707-04409 Shift Fork 16 731-04883 Lower Housing 4 707-04540 Transmission Bracket 17 731-05099 Upper Housing 5 710-04329 Screw, .159 OD x .610 18 731-05100 Clutch Lever 6 710-04374 Hex Screw, .159 OD x .43 19 732-04278
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6 5 4 7 49 1 2 8 4 16 11 10 13 15 3 38 12 14 9 29 37 26 23 17 12 39 23 31 25 20 22 28 22 32 32 21 48 47 34 21 46 36 21 35 30 33 24 44 40 45 41 43 42 27 18
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1 747-1161A Blade Control 26 710-0703 Carriage Screw, 1/4-20 x .75 2 746-04195 Drive Cable 27 710-1044 Screw, 3/8-24 x 1.50 3 746-04213 Control Cable 28 710-1802 Screw, 1/4-20 x 2.00 8 4 710-1667 Screw, #10-16 x .625 29 711-04374 Door Pivot Rod 5 731-0620 Drive Control Lever 30 711-0993 Belt Guard Pin 6 731-1057 Upper Control Cover 31 712-04064 Flange Lock Nut, 1/4-20 Parts List 7 731-1058 Lower Control Cover 32 712-3004A Flange Lock Nut, 5/16-18 8 731-1059 Mounting Cap 33 712-3027 Flange Lock N
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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 new merchandise purchased and used in the United States, its posses- exported outside of the United States, its possessions and sions and territories. territories, except those sold through MTD’s authorized channels of export distribution. “MTD” warrants this product against defects in material and workmanship f. Replacement
