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Cultivator

Model Number

21A-144R401  

PRINTED IN U.S.A.

OPERATOR’S MANUAL

FORM NO. 

770-10457.fm

(5/02)

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722

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.

Summary of Contents for 21A-144R401

Page 1: ...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 b...

Page 2: ...can locate the model number by looking down in front of the engine on the cultivator A sample model plate is explained below For future reference please copy the model number and the serial number of...

Page 3: ...lose fitting slacks and shirts Loose fitting clothes or jewelry can be caught in movable parts Never operate this machine in bare feet or sandals 3 Wear safety glasses or goggles that are marked as me...

Page 4: ...damage Repair any damage before starting and operating 17 Keep all shields guards and safety devices in place and operating properly 18 Never pick up or carry machine while the engine is running 19 Us...

Page 5: ...has three marked lines on the top and the upper handle connector has one marked line Position the connectors aligning the marked line on the upper connector with the middle marked line on the lower co...

Page 6: ...and ground against the engine Figure 2 SECTION 4 OPERATING YOUR CULTIVATOR Oil Fill Up Using the proper type and weight of oil in the crankcase is extremely important Check the oil before each use and...

Page 7: ...ne that my have spilled and reinstalled the fuel cap Move the unit at least 30 ft 9 1m from the fueling source and site before starting the engine Starting Engine Attach spark plug wire to spark plug...

Page 8: ...l support bracket proceed as follows Stop engine and disconnect spark plug to avoid accidental starting Remove cotter pin from the clevis pin and slide pin out of tailpiece bracket See Figure 5 Slide...

Page 9: ...he ground Keep dirt and debris out of the engine Clean the area around the oil fill plug dipstick before removing it Remove the oil fill plug dipstick and wipe off oil Reinsert it all the way back in...

Page 10: ...o cool Grasp the plug wire firmly and pull the cap from the spark plug Clean dirt from around the spark plug and remove the spark plug from the cylinder head by turning counterclockwise using a socket...

Page 11: ...nts listed above contact your nearest authorized service dealer Problem Cause Remedy Engine fails to start 1 Spark plug wire disconnected 2 Ignition switch is OFF O 3 Fuel tank empty or stale fuel 4 P...

Page 12: ...12 Model 21A 144R401 11 11 12 13 14 18 19 20 21 22 22 24 23 25 15 13 16 17 27 28 27 29 30 31 32 33 34 35 36 37 26 1 2 3 5 6 7 8 8 4 9 10...

Page 13: ...710 3013 Hex Cap Screw 1 4 20 x 50 22 712 3027 Hex Lock Nut 1 4 20 23 726 0299 Cap Push 24 686 0182 Wheel Support Bracket Assembly 25 734 2025 Wheel 5 0 26 710 0106 Hex Cap Screw 1 4 20 x 1 25 27 736...

Page 14: ...15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 69 72 71 73 74 74 75 76 77 78 7...

Page 15: ...el Tank Shield 43 182358 Muffler Baffle 44 181048 Muffler Gasket 45 182359 Muffler 46 180890 Spark Arrestor Screen 47 181045 Screen Cover 48 181046 Screw 49 182360 Muffler Shield 50 182361 Muffler Mou...

Page 16: ...on these items b Log splitter pumps valves and cylinders have a sepa rate one year warranty c Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as...

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