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OPERATOR’S MANUAL
20” and 22”
ROTARY
MOWERS
Model Series
050 thru 062
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
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 o
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SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: 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
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• Do not engage the self-propelled mechanism on • Always be sure of your footing. A slip and fall can units so equipped while starting engine. cause serious personal injury. If you feel you are losing your balance release the blade control • The blade control handle is a safety device. Never handle immediately and the blade will stop in less attempt to bypass its operation. Doing so makes than 3 seconds. the safety device inoperative and may result in personal injury through contact
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• To reduce fire hazard, keep mower free of grass, • After striking a foreign object, stop the engine, leaves, or other debris build-up. Clean up oil or remove the wire from the spark plug, and fuel spillage. Allow mower to cool at least 5 thoroughly inspect the mower for any damage. minutes before storing. Repair the damage before starting and operating the mower. • Before cleaning, repairing, or inspecting, make certain the blade and all moving parts have • Never attempt to make a wheel
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FOLD ON DOTTED LINE, REPRESENTING A 15 SLOPE 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 walk-behind mower on such a slope, it is extremely difficult to maintain your foo
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SECTION 2: CONTENTS OF HARDWARE PACK Remove this sheet from your operator’s manual and lay the hardware on the illustration for identification purposes. After Assembly, keep the Slope Gauge which is on the reverse side of this sheet for future use. (Hardware pack may contain extra items which are not used on your unit. Part numbers are shown in parentheses.) ATTACHING THE Split Washers ATTACHING THE B A 5/16” I.D. LOWER HANDLE UPPER HANDLE (736-0119) Hex Bolts 3/8-24 x 1 1/2” Long (710-
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SECTION 3: FINDING YOUR MODEL NUMBER This Operator’s Manual is an important part of your new walk behind. It will help you assemble, prepare and maintain your walk behind. Please read and understand what it says. Before you start to prepare your walk behind for its first use, please locate the model plate and copy the information from it in this Operator’s Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support
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SECTION 6: ASSEMBLY INSTRUCTIONS 7. Repeat steps 4 through 6 to attach the other IMPORTANT: This unit is shipped WITHOUT side of the handle. GASOLINE or OIL. After assembly, service engine with gasoline and oil as instructed in the separate 8. Tighten both hex bolts and nuts securely. engine manual packed with your unit. ATTACHING THE UPPER HANDLE NOTE: Reference to right or left hand side of the (Hardware B) mower is observed from the operating position. This owner’s
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NOTE: If the control handle is disassembled from the upper handle for any reason, assemble the control handle by inserting the ends into the holes AB on each side of the upper handle. The hole in the control handle must be on the left side of the upper handle, and control handle must touch the upper handle when engaged (squeezed against the upper handle). 1. Remove the truss machine screw and hex lock nut from the middle of the control box using a phillips screwdriver. Place y
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2. Place the rope guide around the starter rope, so 3. Place one smaller cupped washer on axle bolt, the opening in the rope guide is toward the front with the cupped side of washer toward the deck of the mower as shown. Insert the rope guide (away from wheel). into the right side of the handle, and secure with NOTE: If the lowest cutting position (highest hole hex lock nut. See Figure 10. in the deck) is used, it is necessary to place the larger washer on the outside of the
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SECTION 8: OPERATION Keep hands and feet away from the chute area on 5. Pull rope with a rapid, continuous, full arm cutting deck. See Figure 1, Warning Label. stroke. Keep a firm grip on starter handle. Return it slowly to the rope guide. The operation of any lawn mower NOTE: If any problems are encountered, refer to can result in foreign objects being the Trouble Shooting Guide on page 14. thrown into the eyes, which can result in severe eye damage. Always wear safety gla
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SECTION 9: ADJUSTMENTS WARNING: Do not at any time make CARBURETOR ADJUSTMENTS any adjustment to lawn mower without WARNING: If any adjustments are first stopping engine and disconnecting made to the engine while the engine is spark plug wire. running (e.g. carburetor), keep clear of all moving parts. Be careful of heated surfaces and muffler. CUTTING HEIGHT ADJUSTMENT Minor carburetor adjustment may be required to Adjustment may be made by removing and moving compensate for differences in fu
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When sharpening the blade, follow the original Blade Mounting Torque angle of grind as a guide. It is extremely important Center Bolt: 450 in. lbs. min., 600 in. lbs. max. that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade. An To ensure safe operation of your unit, all nuts and unbalanced blade will cause excessive vibration bolts must be checked periodically for correct when rotating at high speeds, may cause damage tightness. to the mower and could break
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SECTION 13: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Corrective Actions Engine fails to Blade control handle disengaged. Engage blade control handle. start Spark plug wire disconnected. Connect wire to spark plug. Dirty aircleaner. Refer to the engine manual packed with your unit. Primer button not depressed. Refer to the engine manual packed with your unit. Throttle control lever not in correct Move throttle lever to FAST or START position. starting position (if so equipped). Fuel tank
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Model 050 thru 062 15
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Model 050 thru 062 REF. PART REF. PART NO. NO. DESCRIPTION NO. NO. DESCRIPTION 1 734-1779 Wheel Ass’y. Comp. (050 Series) 29 710-0459 Hex Bolt 3/8-24 x 1.5” Lg. 734-1780 Wheel Ass’y. Comp. (060 Series) 30 747-0824 Std. Control Handle 2 742-0640 20 “ Blade 647-0004 Deluxe Control Handle † 742-0642 22” Blade - Std. 31 712-0324 Hex L-Nut 1/4-20 Thd. 742-0742 22” Mulching Blade 32 736-0501 Spr. Wash. .66” I.D † 3 712-0324 Hex L-Nut 1/4-20 Thd. 34 646-0875 Throttle Body † 4 710-1044 Hex Bolt 3/8-24
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NOTES 17
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NOTES 18
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MANUFACTURER’S LIMITED WARRANTY For ONE YEAR from the date of retail purchase States of America, its possessions and territories, within the United States of America, its possessions except those sold through the manufacturer’s and territories, the manufacturer will, at its option, authorized channels of export distribution. repair or replace, for the original purchaser, free of Other Warranties: charge, any part or parts found to be defective in 1. The engine or component parts thereof carry ma
