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OPERATOR'S MANUAL
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 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 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
Cultivator
Model Number
21A-144R401
770-10457.fm
FORM NO.
(5/02)
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Summary of Contents for Yard-Man 21A-144R401
- Page 1 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 368022 Cleveland, Ohio 44136-9722. MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 PRINTED IN U.S.A. Cultivator Model Number 21A-144R401 770-10457.fm FORM NO. (5/02)
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Page 2: Table Of Contents
Content Important Safe Operation Practices... 3 Assembling Your Cultivator... 5 Know Your Cultivator ... 5 Operating Your Cultivator ... 6 Maintaining Your Cultivator... 8 Troubleshooting ... 11 Parts List ... 12 This Operator’s Manual is an important part of your new cultivator. It will help you assemble, prepare and maintain the unit for best performance. -
Page 3: Important Safe Operation Practices
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 this machine. Failure to comply with these instructions may result in personal injury. -
Page 4: Maintenance And Storage
4. Keep bystanders, helpers, pets, and children at least 50 feet from the machine while it is in operation. Stop machine if anyone enters the area. 5. Be careful when cultivating in hard ground. The tines may catch in the ground and propel the cultivator forward. -
Page 5: Assembling Your Cultivator
SECTION 2: ASSEMBLING YOUR CULTIVATOR This unit is shipped without gasoline or oil IMPORTANT: in the engine. Be certain to service engine with gasoline and oil as instructed in the separate engine manual before operating your mower. NOTE: Reference to right or left hand side of the cultivator is observed from the operating position. -
Page 6: Operating Your Cultivator
On/Off Switch The On/Off switch is located on the upper handle. The switch must be in the On (I) to start engine and Off (O) to stop engine. Handle Connectors The handle connectors are on each side between lower and upper handle. They are used to lock the upper handle in a set position. -
Page 7: Starting Engine
• Remove the oil plug/dipstick from the crankcase and pour the entire bottle of oil into the oil fill hole. See Figure 3. • Wipe up any oil that may have spilled and reinstall the oil fill plug/dipstick. Fuel Cap Figure 3 Gas Fill-Up Old fuel is the primary reason for the unit not running... -
Page 8: Maintaining Your Cultivator
• With one hand grasping the starter handle, the other hand should grasp the front handle on the cultivator for a brace. • Pull the starter rope briskly 3 to 5 times or until engine starts. • Move choke lever to Open (C) position. •... -
Page 9: Engine Maintenance
• Push the On/Off switch to Off (O) position to stop engine and tines and disconnect spark plug to avoid accidental starting. • It may be necessary to lay the cultivator back in a horizontal position on a flat level surface with the upper handle touching the ground. -
Page 10: Carburetor Adjustment
• Refill the crankcase with 3.4 fl.oz. (100 ml.) of SAE 30 SF, SG, or SH oil. • Replace the oil fill plug/dipstick. Air Filter Maintenance • Open the air filter cover on side of engine by pushing the tab on the left side in and swinging the air filter cover out and off. -
Page 11: Troubleshooting
• Wipe equipment with a oiled rag to prevent rust. • Never store the unit with fuel in the tank where fumes may reach an open flame or spark. Engine If the unit will be stored for longer than 60 days: •... -
Page 12: Parts List
Model 21A-144R401... - Page 13 For instance, if a part numbered 700-xxxx is painted Yard-Man Green, the part number to order would be 700-xxxx-0665. Yard-Man Green: 0665 Yard-Man Yellow: 0674 Powder Black: 0637 Ref.
- Page 14 Model 21A-144R401 31 32...
- Page 15 Model 21A-144R401 Ref. Part No. Part Description 182339 Engine Cover Screws 182651 Starter Rope Eyelet 182650 Engine Cover 182652 Eyelet Nut 181025 Valve Cover Screw 182098 Valve Cover 182099 Valve Cover Gasket 182340 Rocker Adjustment Nut 182101 Rocker Arm Pivot...
- Page 16 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in...