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SECTION 1: IMPORTANT SAFE OPERATION PRACTICES

This Symbol Points Out Important Safety Information 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 Cultivator. Failure To Comply With These Instructions
May Result In Personal Injury. When You See This Symbol–Heed Its Warning.

DANGER:

Your cultivator 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 personal injury. This cultivator is capable of amputating hands and feet. Failure to
observe the following instructions could result in serious injury or death.

WARNING:

Engine Exhaust, some of its constituents, and certain vehicle components contain or emit

chemicals known to State of California to cause cancer and birth defects or other reproductive harm.

GENERAL OPERATION

Read the instructions carefully. Be familiar with the
controls and proper use of the unit.

Do not operate this unit when tired, ill, or under the
influence of alcohol, drugs, or medication.

Children and teens under the age of 15 must not
use the unit, except for teens guided by an adult.

All guards and safety attachments must be installed
properly before operating the unit.

Inspect the unit before use. Replace damaged
parts. Check for fuel leaks. Make sure all fasteners
are in place and secure. Replace parts that are
cracked, chipped, or damaged in any way. Do not
operate the unit with loose or damaged parts.

Carefully inspect the area before starting the unit.
Remove all debris and hard or sharp objects such 
as glass, wire, etc.

Clear the area of children, bystanders, and pets. 
At a minimum, keep all children, bystanders and
pets outside a 50 feet (15 m) radius; there still may
be a risk to bystanders from thrown objects.
Bystanders should wear eye protection. If you are
approached, stop the unit immediately.

Squeeze the throttle control and check that it
returns automatically to the idle position. Make all
adjustments or repairs before using unit.

Never start or run the unit inside a closed room or
building. Breathing exhaust fumes can kill. Operate
this unit only in a well ventilated area 
outdoors. 

Wear safety glasses or goggles that are marked as
meeting ANSI Z87.1 standards, and ear/hearing
protection when operating this unit. Wear a face or
dust mask if the operation is dusty.

Wear heavy, long pants, boots, gloves and long
sleeve shirt. Do not wear, short pants, sandals or
go barefoot.

To reduce the risk of injury associated with objects
being drawn into rotating parts, do not wear loose
clothing, jewelry, scarves, etc. Secure hair above
shoulder level.

Use the unit only in daylight or good artificial light.

Keep outside surfaces free from oil and fuel.

Be sure the tines are not in contact with anything
before starting the unit.

Avoid accidental starting. Be in the starting 
position whenever pulling the starter rope. The
operator and unit must be in a stable position while
starting. See Operating Your Cultivator.

Use the right tool. Only use this tool for the 
purpose intended.

Use extreme caution when reversing or pulling the
unit towards you.

Do not overreach, take extra care when working on
steep slopes or inclines. Always keep proper foot-
ing and balance.

Always hold the unit with both hands when 
operating. Keep a firm grip on the handlebar grips.

Keep hands, face, and feet at a distance from all 
moving parts. Do not touch or try to stop the tines
when they are rotating. Do not operate without
guards in place.

Do not touch the engine, muffler or gearbox. These
parts get extremely hot from operation. When
turned off they remain hot for a short time.

Do not operate the engine faster than the speed 
needed to do the job. Do not run the engine at high
speed when not in use.

Always stop the engine when operation is delayed
or when walking from one location to another.

Do not force unit. It will do the job better and with
less likelihood of injury at a rate for which it was
designed.

CHILDREN

Tragic accidents can occur if the operator is not
alert to the presence of small children. Children are
often attracted to the tilling activity. Never assume
that children will remain where you last saw them.

Keep children out of the work area and under the
watchful eye of a responsible adult other than the
operator.

Be alert and turn the unit off if a child enters the
area.

Never allow children under the age of 15 to 
operate the cultivator.

Summary of Contents for 21A-120R000

Page 1: ...r 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 Californi...

Page 2: ...nt or an authorized dealer You can locate the model number by standing in the operating position behind the unit and looking on the left side of the engine next to the On Off Stop Control Switch A sam...

Page 3: ...nside a closed room or building Breathing exhaust fumes can kill Operate this unit only in a well ventilated area outdoors Wear safety glasses or goggles that are marked as meeting ANSI Z87 1 standard...

Page 4: ...ard replace faulty muffler and spark arrestor keep the engine and muffler free from grass leaves excessive grease or carbon build up Never store the unit with fuel in the tank inside a building where...

Page 5: ...IVATOR SETTING UP YOUR CULTIVATOR Installing The Wheel Bracket Assembly WARNING To avoid injury from the tines wear heavy gloves and a long sleeve shirt when installing the wheel bracket assembly 1 Wi...

Page 6: ...ion the two 2 handlebar clamps with one on each side near the top of the handlebar Swing the handlebar up until it sets to the outside of the two mounting brackets on the engine See Figure 6 NOTE Posi...

Page 7: ...e of the trigger See Figure 11 4 Release the throttle trigger and guide the cable up into the slot of the trigger housing 5 Push the throttle cable housing into the trigger housing until it snaps into...

Page 8: ...ontrols the engine speed See Figure 14 On Off Stop Control The On Off Stop control switch is located on the left side mounting bracket It is used to turn the unit on and off The switch must be in the...

Page 9: ...maximum reliability pay strict attention to the oil and fuel mixing instructions on the 2 cycle oil container Using improperly mixed fuel can severely damage the engine Thoroughly mix the proper rati...

Page 10: ...as though it wants to run normally 2 to 5 pulls NOTE Squeeze the throttle control until the engine has started and warmed up 6 Place the choke lever in the PARTIAL choke position B See Figure 18 NOTE...

Page 11: ...grips firmly slowly lower the cultivator until the tines make contact with the ground See Figure 20 5 As cultivating action begins pull back on the cultivator so that the tines can penetrate the grou...

Page 12: ...TIVATOR in Section 6 Adjusting Idle Speed WARNING This unit will need to be running during idle speed adjustment Wear protective clothing and observe all safety instructions to prevent serious persona...

Page 13: ...iver 3 Pull the cover from the engine Do not force 4 Remove the air filter from behind the air filter muffler cover See Figure 24 4 Wash the filter in detergent and water Rinse the filter thoroughly S...

Page 14: ...the cylinder 4 Install a correctly gapped spark plug in the cylin der head Tighten by turning the 5 8 inch socket clockwise until snug If using a torque wrench torque to 110 120 in lb 12 3 13 5 N m Do...

Page 15: ...rized use or damage Store the unit in a dry well ventilated area Do not store next to corrosive materials such a fertilizer Store the unit out of the reach of children ENGINE WILL NOT START ENGINE WIL...

Page 16: ...41 1 2 3 8 10 12 3 4 5 7 6 11 15 16 50 51 14 13 20 52 22 17 18 19 21 37 38 39 40 42 41 32 33 26 27 28 30 41 34 36 35 30 25 44 29 43 49 45 46 47 48 24 31 23 9 SECTION 9 PARTS LIST FOR MODEL 21A 120R00...

Page 17: ...ainer Assembly 31 611061 Rope Guide 32 180317 Fuel Tank Guard Assembly 33 181079 Pull Handle 34 613103 Rope 35 181912 Housing Screw 36 182776 Starter Housing Assembly includes items 28 31 33 35 37 182...

Page 18: ...18 1 1 3 2 4 11 12 13 10 17 18 19 20 22 25 21 26 22 28 27 27 29 30 24 23 24 28 29 14 15 16 9 6 7 8 6 9 5 MODEL 21A 120R000...

Page 19: ...ndle Clamp 15 181815 Nut 16 145569 Anti Rotation Screw 17 181575 Grip 18 180943 Drive Shaft Housing Assembly 19 181577 Flexible Drive Shaft 20 181578 Retainer Sleeve includes 21 21 180288 Sleeve Retai...

Page 20: ...set forth below is given by MTD SOUTHWEST INC MTD with respect with new merchandise purchased and used in the United States its possessions and territories MTD warrants this product against defects in...

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