cub cadet 379 owners manual

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OPERATOR’S MANUAL

21” Self-Propelled

Mower

Model Number

379

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 368023 Cleveland, Ohio 44136-9722.

CUB CADET LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

PRINTED IN U.S.A.

FORM NO.

769-00062.fm

(1/02)

Page 2

TABLE OF CONTENTS

Content Page

Important Safe Operation Practices ................................................................... 3

Slope Gauge...................................................................................................... 6

Assembling Your Lawn Mower........................................................................... 7

Know Your Lawn Mower .................................................................................... 8

Operating Your Lawn Mower ............................................................................. 9

Making Adjustments .......................................................................................... 12

Maintaining Your Lawn Mower ........................................................................... 13

Troubleshooting ................................................................................................. 16

Parts List............................................................................................................ 17

FINDING MODEL NUMBER

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.

Before you start assembling your new equipment, please locate the model plate on the equipment and copy the information from it in the space provided below. The information on the model plate is very important if you need help from our Customer Support Department or an authorized dealer.

• You can locate the model number by standing behind the unit and looking at the rear of the deck. A sample model plate is explained below. For future reference, please copy the model number and the serial number of the equipment in the space below.

Copy the model number here:

Copy the serial number here:

ENGINE INFORMATION

The engine manufacturer is responsible for all engine-related issues with regards to performance, powerrating, specifications, warranty and service. Please refer to the engine manufacturer’s Owner’s/Operator’s Manual packed separately with your unit for more information.

CALLING CUSTOMER SUPPORT

If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit, please call the Customer Dealer Referral Line.

Call 1-877-282-8684 to reach the Customer Dealer Referral Line. Please have your unit’s model number and serial number ready when you call. See previous section to locate this information. You may be asked to enter the serial number in order to process your call.

For more details about your unit, visit our website at www.cubcadet.com

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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 this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol - heed its warning.

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.

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. Failure to observe the following safety instructions could result in serious injury or death.

General Operation

1. Read this operator’s manual carefully in its entirety before attempting to assemble this machine. Read, understand, and follow all instructions on the machine and in the manual(s) before operation. Be completely familiar with the controls and the proper use of this machine before operating it. Keep this manual in a safe place for future and regular reference and for ordering replacement parts.

2. This machine is a precision piece of power equipment, not a plaything. Therefore, exercise extreme caution at all times. Your unit has been designed to perform one job: to mow grass. Do not use it for any other purpose.

3. Never allow children under 14 years old to operate this machine. Children 14 years old and over should read and understand the operation instructions and safety rules in this manual and should be trained and supervised by a parent. Only responsible individuals who are familiar with these rules of safe operation should be allowed to use this machine.

4. Thoroughly inspect the area where the equipment is to be used. Remove all stones, sticks, wire, bones, toys and other foreign objects which could be tripped over or picked up and thrown by the blade. Thrown objects can cause serious personal injury. Plan your mowing pattern to avoid discharge of material toward roads, sidewalks, bystanders and the like. Also, avoid discharging material against a wall or obstruction which may cause discharged material to ricochet back toward the operator.

5. To help avoid blade contact or a thrown object injury, stay in the operator zone behind the handles and keep children, bystanders, helpers and pets at least 75 feet from the mower while it is in operation. Stop machine if anyone enters the area.

6. Always wear safety glasses or safety goggles during operation and while performing an adjustment or repair to protect your eyes. Thrown objects which ricochet can cause serious injury to the eyes.

7. Wear sturdy, rough-soled work shoes and close-fitting slacks and shirts. Shirts and pants that cover the arms and legs and steel-toed shoes are recommended. Never operate this machine in bare feet, sandals, slippery or light weight (e.g. canvas) shoes.

8. Do not put hands or feet near rotating parts or under the cutting deck. Contact with the blade can amputate hands and feet.

9. A missing or damaged discharge cover can cause blade contact or thrown object injuries.

10. Many injuries occur as a result of the mower being pulled over the foot during a fall caused by slipping or tripping. Do not hold on to the mower if you are falling; release the handle immediately.

11. Never pull the mower back toward you while you are walking. If you must back the mower away from a wall or obstruction first look down and behind to avoid tripping and then follow these steps:

a. Step back from the mower to fully extend your

arms. b. Be sure you are well balanced with sure footing. c. Pull the mower back slowly, no more than half way

toward you. d. Repeat these steps as needed.

12. Do not operate the mower while under the influence of alcohol or drugs.

13. Do not engage the self-propelled mechanism on units so equipped while starting engine.

14. The blade control handle is a safety device. Never attempt to bypass its operation. Doing so makes the safety device inoperative and may result in personal injury through contact with the rotating blade. The blade control handle must operate easily in both directions and automatically return to the disengaged position when released.

15. Never operate the mower in wet grass. Always be sure of your footing. A slip and fall can cause serious personal injury. If you feel you are losing your footing, release the blade control handle immediately and the blade will stop rotating within three seconds.

16. Mow only in daylight or in good artificial light. Walk, never run.

17. Stop the blade when crossing gravel drives, walks or roads.

18. If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble.

19. Shut the engine off and wait until the blade comes to a complete stop before removing the grass catcher or

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unclogging the chute. The cutting blade continues to rotate for a few seconds after the engine is shut off. Never place any part of the body in the blade area until you are sure the blade has stopped rotating.

20. Never operate mower without proper trail shield, discharge cover, grass catcher, blade control handle or other safety protective devices in place and working. Never operate mower with damaged safety devices. Failure to do so, can result in personal injury.

21. Muffler and engine become hot and can cause a burn. Do not touch.

22. Only use parts and accessories made for this machine by the manufacturer. Failure to do so, can result in personal injury.

23. If situations occur which are not covered in this manual, use care and good judgment. Contact your dealer for assistance. Telephone 1-877-282-8684 for the name of your nearest dealer.

Slope Operation

Slopes are a major factor related to slip and fall accidents which can result in severe injury. Operation on slopes requires extra caution. If you feel uneasy on a slope, do not mow it. For your safety, use the slope gauge included as part of this manual to measure slopes before operating this unit on a sloped or hilly area. If the slope is greater than 15 degrees, do not mow it.

Do:

1. Mow across the face of slopes; never up and down. Exercise extreme caution when changing direction on slopes.

2. Watch for holes, ruts, rocks, hidden objects, or bumps which can cause you to slip or trip. Tall grass can hide obstacles.

3. Always be sure of your footing. A slip and fall can cause serious personal injury. If you feel you are losing your balance, release the blade control handle immediately, and the blade will stop rotating within 3 seconds.

Do Not:

1. Do not mow near drop-offs, ditches or embankments, you could lose your footing or balance.

2. Do not mow slopes greater than 15 degrees as shown on the slope gauge.

3. Do not mow on wet grass. Unstable footing could cause slipping.

Children

Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the mower and the mowing activity. They do not understand the dangers. Never assume that children will remain where you last saw them.

1. Keep children out of the mowing area and under the watchful care of a responsible adult other than the operator.

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

3. Before and while moving backwards, look behind and down for small children.

4. Use extreme care when approaching blind corners, doorways, shrubs, trees, or other objects that may

obscure your vision of a child who may run into the mower.

5. Keep children away from hot or running engines. They can suffer burns from a hot muffler.

6. Never allow children under 14 years old to operate a power mower. Children 14 years old and over should read and understand the operation instructions and safety rules in this manual and should be trained and supervised by a parent.

Service

Safe Handling Of Gasoline:

1. To avoid personal injury or property damage use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite.

2. Wash your skin and change clothes immediately.

3. Use only an approved gasoline container.

4. Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.

5. When practical, remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment on a trailer with a portable container, rather than from a gasoline dispenser nozzle.

6. Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device.

7. Extinguish all cigarettes, cigars, pipes and other sources of ignition.

8. Never fuel machine indoors because flammable vapors will accumulate in the area.

9. Never remove gas cap or add fuel while the engine is hot or running. Allow engine to cool at least two minutes before refueling.

10. Never over fill fuel tank. Fill tank to no more than ½ inch below bottom of filler neck to provide space for fuel expansion.

11. Replace gasoline cap and tighten securely.

12. If gasoline is spilled, wipe it off the engine and equipment. Move unit to another area. Wait 5 minutes before starting the engine.

13. Never store the machine or fuel container inside where there is an open flame, spark or pilot light as on a water heater, space heater, furnace ,clothes dryer or other gas appliances.

14. To reduce fire hazard, keep mower free of grass, leaves, or other debris build-up. Clean up oil or fuel spillage and remove any fuel soaked debris.

15. Allow a mower to cool at least 5 minutes before storing.

General Service:

1. Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas.

2. Before cleaning, repairing, or inspecting, make certain the blade and all moving parts have stopped. Disconnect the spark plug wire and ground against the engine to prevent unintended starting.

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3. Check the blade and engine mounting bolts at frequent intervals for proper tightness. Also, visually inspect blade for damage (e.g., bent, cracked, worn) Replace blade with the original equipment manufacture’s (O.E.M.) blade only, listed in this manual. “Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety!”

4. Mower blades are sharp and can cut. Wrap the blade or wear gloves, and use extra caution when servicing them.

5. Keep all nuts, bolts, and screws tight to be sure the equipment is in safe working condition.

6. Never tamper with safety devices. Check their proper operation regularly.

7. After striking a foreign object, stop the engine, disconnect the spark plug wire and ground against the engine. Thoroughly inspect the mower for any damage. Repair the damage before starting and operating the mower.

8. Never attempt to make a wheel or cutting height adjustment while the engine is running.

9. Grass catcher components, discharge cover, and trail shield are subject to wear and damage which could expose moving parts or allow objects to be thrown. For safety protection, frequently check components and replace immediately with original equipment manufacturer’s (O.E.M.) parts only, listed in this manual. “Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety!”

10. Do not change the engine governor setting or overspeed the engine. The governor controls the maximum safe operating speed of the engine.

11. Maintain or replace safety and instruction labels, as necessary.

12. Observe proper disposal laws and regulations. Improper disposal of fluids and materials can harm the environment.

WARNING - YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who read,

understand and follow the warnings and instructions in this manual and on the machine.

NOTE: Not all safety labels shown may apply to your lawn mower.

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SECTION 2: SLOPE GAUGE

Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes.

Operate RIDING mowers up and down slopes, never across the face of slopes.

Operate WALK-BEHIND mowers across the face of slopes, never up and down slopes.

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 footing

and you could slip, resulting in serious injury.

A CORNER OF A BUILDING

OR A FENCE POST

SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE

A POWER POLE

WARNING

15°

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SECTION 3: ASSEMBLING YOUR LAWN MOWER

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 mower is observed from the operating position.

This unit is shipped without gasoline or oil

Removing Unit From Carton

• Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton.

• Remove loose parts if included with unit (i.e., operator’s manual, oil, etc.)

• Cut along corners, lay carton down flat, and remove packing material.

• Roll or slide unit out of carton and check carton thoroughly for loose parts. See Figure 1.

Remove Manual & Loose Parts

PUSH

• Tighten the wing nuts and raise the handle assembly until it clicks into place. Make sure not to kink the control cables.

Upper Handle

Here

Figure 1

Disconnect Spark Plug Wire

• Before setting up your lawn mower, disconnect the spark plug wire from the spark plug and ground against the engine. See Figure 2.

Spark Plug Wire

Figure 2

Spark Plug

Setting Up Lawn Mower

• Remove the grass bag from the unit and set it aside.

• Lift the upper handle and align it with the lower handle. See Figure 3.

Handle Assembly

Control Cables

Figure 3

• Pinch the lower handle against the handle mounting bracket using pliers. See Figure 4.

• Move the hairpin clip from the outer to the inner hole on the handle mounting bracket.

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Pinch Here

Handle Mounting Bracket

Inner Hole

• Loosen the wing nut holding the rope guide to the upper handle. See Figure 6.

• Squeeze the blade control handle against the upper handle and pull starter rope out slowly.

• Thread the recoil starter rope into the rope guide and tighten the wing nut.

Upper Handle

Hairpin Clip

Figure 4

• Fasten the cables to the lower handle with the two cable ties found on the lower handle. Be sure to insert the post on the cable ties into the holes provided on the lower handle. These holes may be found on either the inside or outside of the handles. Pull the cable ties tight and trim off the excess. See Figure 5.

Cable Tie

Lower Handle

Figure 5

Starter Rope

Wing Nut

Rope Guide

Figure 6

SECTION 4: KNOW YOUR LAWN MOWER

Read this operator’s manual and safety rules before operating your lawn mower. Compare the illustrations in Figure 6 with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference.

WARNING: The operation of any lawn mower can result in foreign objects being thrown into the eyes, which can damage your eyes severely. Always wear safety glasses while operating the mower, or while performing any adjustments or repairs on it.

Blade Control Handle

The blade control handle is located on the upper handle of the mower. The blade control handle must be depressed in order to operate the unit. Release blade control handle to stop engine and blade. See Figure 7.

WARNING: This blade control mechanism is a safety device. Never attempt to bypass its operations.

Drive Clutch Control

The drive clutch control is located on the upper handle. Squeeze the drive control to engage the drive system. Release the clutch control to disengage the drive system. Release the clutch control to slow down when approaching an obstacle, making a turn, or stopping. See Figure 7.

Grass Bag

The grass bag is equipped with a bag-fill indicator to add convenience to your work. While the mower is running, air will flow through the bag and into the “sail.” If the grass catcher is empty, air flows through easily pushing the sail up. If the grass catcher is full, air does not flow through it allowing the sail to fall. So the position of the sail acts as a bag-fill indicator signifying when to empty the grass bag.

Cutting Height Adjustment Lever

The cutting height adjustment lever is located above the left rear wheel. To adjust the cutting height, refer to the Adjustment Section in this manual. See Figure 7.

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Blade Control Handle

Recoil Starter

Engine Controls

See the separate engine manual for the location and function of the controls on the engine.

Drive Clutch Control

Cutting Height Adjustment Lever

Figure 7

Stopping Engine

• Release blade control handle to stop the engine and the blade.

• Disconnect spark plug wire and ground it to the post on the engine.

SECTION 5: OPERATING YOUR LAWN MOWER

Towards Better Mower Performance

1. Pour fresh, clean gasoline into the mower’s gas tank until the tank is full. Do not use gasoline that is more than 30 days old.

2. Make sure to connect the mower’s spark plug wire before trying to start the engine.

3. Add engine oil to the oil fill on the mower engine. Check the dipstick and add more if necessary. Remember that the oil level has to touch the fill line.

4. Locate the primer decal near the primer bulb on the engine, and read its instruction. Using your thumb, press the primer bulb slowly as many times as the decal advises.

5. Hold control handle down and pull rope firmly to start the engine.

6. Set cutting height adjustment lever to middle setting and mow a single pass on your lawn; then adjust to desired height for a closer cut.

7. To mulch insert the mulch plug/cover on the mower.

8. Before storing the lawn mower for the winter, use stabilizer-treated fuel and run the tank dry.

9. Thirty days before start of the new season, check the air filter, spark plug and blade on the lawn mower, and replace if needed.

WARNING: Keep hands and feet away from chute area on the cutting deck. The operation of any lawn mower can result in foreign objects being thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields.

NOTE: For shipping purposes your mower is set with

the wheels in a low cutting height position. For best results raise the cutting position until it is determine which height is best for your lawn. See the adjustment section for details.

Gas and Oil Fill-Up

Service the engine with gasoline and oil as instructed in the separate engine manual packed with your mower. Read instructions carefully.

Never fill fuel tank indoors with engine running or until the engine has been allowed to cool for at least two minutes after running.

Before Starting Your Mower

• Attach spark plug wire to spark plug. Make certain the metal cap on the end of the spark plug wire is fastened securely over the metal tip on the spark plug.

• Check for proper drive clutch operation using the NEUTRAL ADJUSTMENT TEST.

Neutral Adjustment Test

To perform the neutral adjustment test answer the following questions.

• With the drive clutch control released, push mower forward and pull it backward. Does it move freely?

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• Squeeze the drive clutch control and pull the mower backward. Do the rear wheels lock?

• Is the drive clutch control cable free of kinks or sharp bends?

• If you answered “yes” to all three questions, your mower passed the test and you can start your mower.

• If you answered “no” to any of the three questions, you will have to adjust the drive clutch control as instructed in the ADJUSTMENT SECTION.

Mulching

For effective mulching, do not cut wet grass because it tends to stick to the underside of the deck, preventing proper mulching of grass clippings. New or thick grass may require a narrower cut. The ground speed should be adjusted to the condition of the lawn. If mowing has been delayed and the grass has been allowed to grow in excess of 4”, mulching is not recommended. Mow using the grass bag to reduce the grass height to 3 1/4” maximum before mulching.

Starting Engine

• Prime engine as instructed in the separate engine manual packed with your unit.

• Your lawn mower is equipped with a constant speed throttle, which is set at full throttle for best performance.

• Stand behind the mower and squeeze the blade control handle against the upper handle.

• Grasp recoil starter handle and pull rope out slowly until engine reaches the start of compression cycle (rope will pull slightly harder at this point). Let the rope rewind slowly. Pull rope with a rapid, continuous, full arm stroke. Keeping a firm grip on the starter handle, let the rope return to the starter slowly.

Using Your Lawn Mower

Be sure that the lawn is clear of stones, sticks, wire, or other objects which could damage the lawn mower or the engine. Such objects could be accidently thrown by the mower in any direction and cause serious personal injury to the operator and others.

For best results, do not cut wet grass because it tends to stick to the underside of the mower, preventing proper discharge of grass clippings, and could cause you to slip and fall. New grass, thick grass, or wet grass may require a narrower cut.

For a healthier lawn, never cut off more than one-third of the total length of the grass. Your lawn should be cut in the fall as long as there is growth. This mower is designed to be operated at full throttle to give you the best cut and do the most effective job of mowing or mulching.

WARNING: If you strike a foreign object, stop the engine. Remove wire from the spark plug, thoroughly inspect the mower for any damage, and repair the damage before restarting and operating the mower. Extensive vibration of the mower during operation is an indication of damage. The unit should be promptly inspected and repaired.

Attaching Grass Bag

To install the grass bag:

• Lift the rear discharge door and remove the mulching plug, if installed. See Figure 8

• Lift the rear discharge door and hang the grass bag on the mower.

Lift

Pull

Here

Figure 8

Emptying Grass Bag

• Release the blade control handle to shut off engine.

• Lift the rear discharge door and pull the bag away

from the mower. See Figure 9.

• Lift the grass bag up and away from the mower. Dump the grass clippings.

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Lift

Pull

Push

Figure 11

Attaching Side Discharge (If Equipped)

Follow the steps below to install the side discharge chute:

• For the correct orientation see Figure 12.

This side up

Figure 9

Attaching Mulching Plug

Follow the steps below to install the mulching plug:

• For the correct orientation when installing see Figure 10.

This side up

This side down

Figure 10

• Lift the rear discharge door and remove the grass bag, if installed. Insert the mulching plug. See Figure 11.

Figure 12

• Raise the rear discharge door and remove the grass bag or mulch plug if installed. Hang the side discharge chute. See Figure 13.

Lift

Figure 13

Hang

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SECTION 6: MAKING ADJUSTMENTS

WARNING: Do not at any time make any adjustments without first stopping engine and disconnecting spark plug wire.

Engine Adjustments

See the separate engine manual packed with your unit for adjustments to the engine.

Cutting Height Adjustment Lever

The cutting height adjustment lever is located above the left rear wheel. To adjust the cutting height, pull the lever out and away from the mower and then move it forward or back for a new cutting height. See Figure 14.

NOTE: For rough or uneven lawns, move the height adjustment lever to a higher position. This will help prevent the scalping of grass.

Lower

Higher

Figure 14

Cutting Height

Adjustment Lever

Handle Height Adjustment

Your mower is shipped with the handle in the higher height position. To lower the handle height, proceed as follows.

• Remove the starter rope from the rope guide.

• Remove the upper handle by removing the wing

nuts and carriage bolts. Lay the upper handle out of the way, being careful not to bend or kink the cables.

• Remove the hairpin clips from the weld pins on the handle brackets and remove the wing nuts and carriage bolts from the upper hole on the handle mounting bracket. Press out on the legs of the lower handle and remove lower handle from the mower.

• Turn lower handle around so the notch on the bottom of the lower handle is facing forward. See Figure 15.

• Reassemble, placing the bottom holes in the handle over the weld pins in the handle mounting bracket.

• Place the hairpin clips in the inner holes in the weld pins and insert the carriage bolts the upper hole on the handle mounting bracket and secure with plastic wing nuts.

• Reassemble the upper handle to the lower handle.

• Attach the starter rope as instructed in the

Assembly Section.

Lower Handle

Notch

Figure 15

Drive Clutch Control Adjustment

The adjustment wheel is located in the drive clutch control handle housing and is used to tighten or loosen the drive belt. You will have to adjust the drive clutch control if any of the following happens:

• The mower does not propel itself with the drive clutch engaged.

• The mower’s drive wheels hesitate with the drive clutch engaged.

To resolve the above problems, rotate the adjustment wheel with your fingers. Clockwise to tighten the cable and counter-clockwise to loosen the cable. See Figure 16.

Bottom View

Adjustment Wheel

Figure 16

NOTE: For some people the drive clutch control may

not be in a comfortable position. You can adjust the handle out by tightening the adjustment wheel.

Upper Handle

Drive Clutch Control

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SECTION 7: MAINTAINING YOUR LAWN MOWER

Customer Responsibilities

MAINTENANCE

SCHEDULE

Lubricate Wheels

Lubricate Blade Control

U D

Clean Deck

O R P

Blade Care

Check Oil

Change Oil

Replace Air Filter

I G

Clean Engine

N E

Check Spark Plug

Check Spark Arrester (if any)

SERVICE

DATES

General Recommendations

• Always observe safety rules when performing any maintenance.

• Changing of the engine’s governed speed will void the engine’s warranty.

• The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, the operator must maintain the lawn mower as instructed in this manual.

• Some adjustments will have to be made periodically to maintain your unit properly. All adjustments in the Adjustment Section of this manual should be checked at least once each season.

• Periodically check all fasteners and make sure these are tight.

• Follow the maintenance schedule under Customer Responsibilities to get quality performance from your lawn mower.

WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubricating or doing any kind of service work on the lawn mower.

least once a season with light oil. These handles must operate freely in both directions. See Figure 17.

Wheels: Lubricate the wheels at least once a season with light oil (or motor oil). If the wheels are removed for any reason, lubricate the surface of the axle bolt and inner surface of the wheel with light oil.

Rear Discharge Door: Lubricate the torsion spring and pivot point periodically with light oil to prevent any rust or binding.

Engine: Follow the separate engine manual packed with your unit for lubrication instructions.

Lubricate

Lubrication

Blade Control Handle: Lubricate the pivot points on the blade control handle and the drive clutch control at

Figure 17

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Maintenance

NOTE: When tipping the unit, empty the fuel tank and keep the air cleaner side of engine up. Never tip the mower more than 90 degrees and do not leave the mower tipped for any length of time. Oil can drain into the upper part of the engine causing a starting problem.

speeds. It may cause damage to the mower, and could break causing personal injury.

Blade Adapter

Engine

Refer to the separate engine manual for all engine maintenance instructions.

• Maintain engine oil as instructed in the separate engine manual packed with your unit.

• Service air cleaner every 25 hours under normal conditions. Poor engine performance and flooding usually indicate that the air cleaner should be serviced. To service the air cleaner, refer to the separate engine manual packed with your unit.

• The spark plug should be cleaned and the gap reset once a season. Spark plug replacement is recommended at the start of each mowing season.

• Clean the engine regularly with a cloth or brush. Keep the cooling system (blower housing area) clean to permit proper air circulation which is essential to engine performance and life. Be certain to remove all grass, dirt, and combustible debris from muffler area.

Deck

The underside of the mower deck should be cleaned after each use to prevent a buildup of grass clippings, leaves, dirt, or other matter. If this debris is allowed to accumulate, it will invite rust and corrosion, and may prevent proper mulching, discharge, or bagging. The deck may be cleaned by tilting the mower and scraping clean with a suitable tool (make certain the spark plug wire is disconnected).

IMPORTANT:

pressure washer or garden hose to clean your unit.

We do not recommend the use of a

Cutting Blade Removal, Replacement, and Sharpening

• When removing the cutting blade for sharpening or replacement, protect your hands with a pair of heavy gloves or use a heavy rag to hold the blade.

• Remove the bolt and the blade bell support which hold the blade and the blade adapter to the engine crankshaft. See Figure 18.

• Remove the blade and the adapter from the crankshaft.

WARNING: Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when necessary.

When sharpening the blade, follow the original angle of grind as a guide. It is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade. An unbalanced blade will cause excessive vibration when rotating at high

Blade Bell Support

Hex Bolt

Figure 18

The blade can be tested by balancing it on a round shaft screwdriver. Remove metal from the heavy side until it balances evenly. It is recommended that the blade always be removed from the adapter when testing for balance. Before reinstalling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade adapter with light oil.

• Be sure to install the blade with the side of the blade marked “Bottom” (or with part number) facing the ground when the mower is in the operating position.

• Slide the blade adapter onto the engine crankshaft.

• Place the blade on the adapter. Be certain the

blade is aligned and seated on the blade adapter flanges.

• Place blade bell support on blade. Make sure the notches on the blade bell support are aligned with small holes in the blade.

• Replace hex bolt and tighten to torque: 450 in. lbs. min., 600 in. lbs. max.

NOTE: To ensure safe operation of your mower, the blade bolt must be checked periodically for correct torque.

Drive Belt Removal And Replacement

If you need to replace a worn or broken drive belt, follow steps below.

• Disconnect the spark plug wire and ground it against the engine.

• Drain the fuel tank or place a piece of plastic beneath the cap to prevent gasoline leakage.

• Remove the rear hub caps, rear wheels and eight screws.

• Tip the mower back on its handle and block securely.

Page 15

Belt Keeper

Hex Lock Nut

Figure 19

• Remove the blade, blade adapter and related hardware. See Figure 20.

• Remove the three hex head screws holding the small baffle and remove the small baffle. Remove the large baffle as well.

Small Baffle

Blade Adapter

Blade

Large Baffle

Hex Head Screw

Figure 21

NOTE: Mower is shown tipped on engine for clarity.

Remember, only tip mower back on its handle with the spark plug facing up. Otherwise, oil will spill if turned upside down.

• Replace the large baffle. Refer to Figure 20.

• Replace small baffle and three hex head screws

holding it in place.

• Replace the blade adapter and blade. See the Blade Replacement and Sharpening section for proper assembly.

• Replace the eight phillips head screws that hold the large baffle in place. Refer to Figure 19.

• Replace the rear wheels, rear wheel gears, and hub caps. The gear needs to be put on in the right way for the self propelled mechanism to work. Check the installation of the gear by spinning the wheel. It should spin freely in one direction but not the other. If the wheel spins freely in both directions, flip the gear over.

• Tip the mower back onto its wheels

• Go through the neutral adjustment test in the

Operating your Lawn Mower section of the manual.

Storing your Lawn Mower

The following steps should be taken to prepare your lawn mower for storage.

• Clean and lubricate mower thoroughly as described in the lubrication instructions.

• Refer to engine manual for correct engine storage instructions.

• Coat mower’s cutting blade with chassis grease to prevent rusting.

• Store mower in a dry, clean area. Do not store next to corrosive materials, such as fertilizer.

Figure 20

• Loosen the hex lock nut holding the idler bearing. Push back and rotate the belt keeper. See Figure 21.

• Remove and replace the belt.

• Replace the belt keeper to its original position and

tighten the hex lock nut.

NOTE: When storing any type of power equipment in a poorly ventilated or metal storage shed, care should be taken to rust-proof the equipment. Using a light oil or silicone, coat the equipment, especially cables and all moving parts.

Page 16

SECTION 8: TROUBLE SHOOTING GUIDE

Problem Cause Remedy

Engine fails to start 1. Blade control handle disengaged.

2. Spark plug wire disconnected.

3. Fuel tank empty or stale fuel.

4. Blocked fuel line.

5. Faulty spark plug.

6. Engine flooded

Engine runs erratic 1. Spark plug wire loose.

2. Blocked fuel line or stale fuel.

3. Vent in gas plugged.

4. Water or dirt in fuel system.

5. Dirty air cleaner.

6. Carburetor out of adjustment.

Engine overheats 1. Engine oil level low.

2. Air flow restricted.

3. Carburetor not adjusted properly.

Occasional skip (hesitates) at high speed

Idles poorly 1. Spark plug fouled, faulty or gap too

Excessive vibration 1. Cutting blade loose or unbalanced.

Mower will not mulch grass 1. Wet grass.

Uneven cut 1. Wheels not positioned correctly.

Wheels will not propel 1. Belt not installed properly.

1. Spark plug gap too close. 1. Adjust gap to .030”.

wide.

2. Carburetor improperly adjusted.

3. Dirty air cleaner.

2. Bent cutting blade.

2. Excessively high grass.

3. Dull blade.

2. Dull blade.

2. Debris clogging drive operation.

1. Engage blade control handle.

2. Connect wire to spark plug.

3. Fill tank with clean, fresh gasoline.

4. Clean fuel line.

5. Clean, adjust gap, or replace.

6. Wait a few minutes to start engine.

1. Connect and tighten spark plug wire.

2. Clean fuel line; fill tank with clean, fresh gasoline

3. Clear vent.

4. Drain fuel tank. Refill with fresh fuel.

5. Clean air cleaner.

6. Adjust carburetor.

1. Fill crankcase with proper oil.

2. Remove blower housing and clean.

3. Adjust carburetor.

1. Reset gap to .030” or replace spark plug.

2. Adjust carburetor.

3. Clean air cleaner.

1. Tighten blade and adapter. Balance blade.

2. Replace blade.

1. Do not mow when grass is wet; wait until later to cut.

2. Mow once at a high cutting height, then mow again at desired height or make a narrower cutting path.

3. Sharpen or replace blade.

1. Place all four wheels in same height position.

2. Sharpen or replace blade.

1. Check belt for proper pulley installation and movement.

2. Clean out debris with engine off.

Page 17

Model 379

Front Axle Assembly & Height Adjuster

Ref.

No. Part No. Description

1. 611-0060 Axle Ass’y, F r t.

2. 710-1348 AB Pan Scr. 1/4-14 x .50 Lg.

3. 714-0104 Cotter Pin .072 x 1.12 Lg.

4. 732-0820 Ext. Spring

5. 747-0920A Adj. Rod

6. 736-0105 Spr. Washer

7. 738-0102 Shl. Bolt .498 x 1.445 3/8-16

8. 734-2015A Wheel Ass’y - Complete

9. 731-0982A Hub Cap

Ref.

No. Part No. Description

1. 712-3025 Hx. Jam Nut 5/16-24

2. 736-0425 Bell Wash. .325 x .930 x .045

3. 756-0656 Pulley

4. 736-3084 Fl. Wash. .510 x 1.120 x .060

5. 712-0896 Hx. Jam Nut 1/4-28

6. 782-7598 Belt Keeper

7. 741-0600 Bearing

8. 750-1050 Flange Spacer

9. 682-0027A Idler Bracket Ass’y.

10. 710-0299 Hx. Cap Scr. 1/4-28 x 1.00 Gr. 5

11. 732-0849A Torsion Spring

12. 741-0682A Bearing Sleeve

13. 736-0570 Fl. Wash. .885 x 1.145 x.030

14. 721-0329 Oil Seal

15. 618-0253 Upper Housing Ass’y.

16. 736-0616 Fl. Wash. .504 x .700 x .030

17. 717-1487 Pinion Shaft 10 T.

18. 736-0314 Thr. Wash. 3/8 x .70 x .030

19. 736-0569 Thr. Wash. .388 x .625 x .062

20. 618-0252 Lower Housing Ass’y.

21. 710-0642 Hx. Scr. 1/2-20 x .75

22. 782-7601A Cable Bracket

23. 741-0674 Bearing

24. 611-0066 Shaft Ass’y.

25. 721-0325 Plug

26. 717-1469 Gear 34 T.

27. 711-1168 Output Shaft 6 T.

28. 741-0673 Flange Bearing

29. 721-0329 Oil Seal

30. 782-7595 Pivot Bracket

31. 741-0324 Flange Bearing

32. 736-0369 Wash. Fl. .508 I.D. x 1.00 O.D. x .020

33. 741-0690 Thrust Bearing

- 618-0263A Transmission Complete

Page 18

Model 379

125

138

139

Page 19

Model 379

Ref.

No. Part No. Description

1. 647-0004 Control Handle Ass’y

2. 731-1639 Baffle

3. 710-0605 Oval C-Sunk Mach - Screw †

4. 736-0501 Spring Washer .66” ID

5. 720-0279 Handle Knob 1/4-20 Thd.

6. 646-0875 Throttle Body †

7. 712-0324 Hex L-Nut 1/4-20

8. 749-0439C Upper Handle

9. 746-0876 Throttle Lever †

12. 746-0848 Throttle Control Wire - 47” † 746-0843 Throttle Control Wire - 55” † 746-0841 Throttle Control Wire - 60” †

13. 710-1205 Rope Guide

14. 732-0700 Wire-47” Lg.

15. 720-0314 Hand Knob

16. 746-0556 Control Cable-45”

17. 726-0240 Cable Tie

18. 710-1174 Cr.Hd. Bolt 5 / 16-18 x 2” Lg.

19. 749-0907A Lower Handle

20. 811-00185 Throttle Ass’y (Incl. 3,4,6,7,9) †

21. 710-1237 Hex Self-Tap Scr. #10-32 x .62” † 710-0871 Hex Sems Scr. #10-32 x .3” Lg. †

22. 735-0639 Spark Plug Boot

23. 751B213146 Cable Clamp †

24. 710-1220 Screw H.L. 12-24

25. 710-0351 Screw Mach. B Tapp.

28. 731-1714A Belt Cover

35. 714-0104 Int. Cotter Pin 5/15” Dia.

37. 747-0922 Pivot Rod

38. 750-1068 Spacer .385 I.D.

39. 732-0809 Torsion Spring L.H.

44. 782-3029 Handle Brkt. Ass’y - L.H.

45. 710-0653 Screw, Tap 1/4-20

47. 712-0400 U-Nut

48. 782-3030 Handle Brkt. Ass’y - R.H.

49. 710-1348 Screw AB 1/4-20

52. 710-0654A Hex L-Wash. Hd. Scr. 3/8-16 x 1”

53. 682-0075A 21” Deck

56. 731-1236 Rear Flap 17.77 Lg.

57. 782-7599A Rear Chute Door

58. 782-9050 Brkt. Mtg. Grassbag - Black

59. 731-0068 Hardtop Bag Cover †

61. 747-04003 Catcher Frame

62. 664-0080 Grass Bag - Black

72. 736-0524A Blade Bell Support

73. 742-0741 21” Mulching Blade w/Star

74. 753-0609 Blade Adaptor Kit w/Star

75. 710-1257 Hex Bolt 3/8-24 x 2.5 Lg.

76. 748-0358 Spacer

77. 736-0514 Fl. Wash. .885 x 1.85 x .06

78. 736-0513 Spr. Wash. .890 x .7x .04

79. 756-0962 Pulley Half - Upper

80. 756-0979 Pulley Half - Lower

81. 734-2014A Wheel Assembly

Ref.

No. Part No. Description

82. 638-0005 Axle Assy: RR

83. 682-7518 Axle Assy: Trans.

84. 682-7524 Cover Ass’y - Chain

85. 710-0604A Scr. TT 5/16-18

86. 710-0653 Scr. TT 1/4-20

87. 710-0751 Hx Cap Screw 1/4-20

88. 710-0896 Hex Washer Screw 1/4-20 x .625

89. 710-1315 Scr 3/8 - 16 x 1.25

90. 711-0835 Pin - Clv. .500 Dia.x.4.62 Lg.

91. 713-0421 Chain:Endless 48:.500P x 22 Lg.

92. 714-0474 Pin-Cotter .125 O.D. x .75

93. 720-0230 Grip-Foam

94. 732-0803A Spring Lever

95. 732-0818 Torsion Spring

96. 736-0270 Bell Washer .265 x .75 x .062

97. 736-0369 Wash.Flat .508 I.D. x 1.0 O.D.

98. 738-0529 Nut - Shoulder .625 x .165 Lg.

99. 741-0324 Bearing-Flg Hex

100. 741-0522 Bearing-Flg. Hex

101. 741-0978 Bearing-Sleeve

102. 748-0318 Ratchet Wheel

103. 750-0807 Spacer - .385 x .625 x .700

104. 750-1056 Spacer-Shld. .385 I.D.x .715 Lg.

105. 750-1075 Spacer Slv. .520 I.D. x .950 Lg.

106. 782-0566B Pivot Arm

107. 782-0568 Spring Bracket

108. 746-0713 S.P. Cable 52.5”

109. 731-1059 Mounting Cap

110. 731-1057 Control Cover - Upper

111. 731-1058 Control Cover - Lower

112. 731-0620 Lever

113. 710-1667A Screw #10-16 x .625

114. 712-0414 Weld Top L. 1/4-20

115. 16855 Pawl Plate

116. 748-0188B Pawl L.H. (Not Shown) 748-0381 Pawl R.H.

117. 738-0137A Shldr. Scr. .340x.285

118. 10622B Spring, Ratchet

119. 731-0982A Hub Cap

120. 731-1685 Mulch Plug

121. 731-1461 Chute Deflector †

122. 747-0958 Chute Mounting Rod †

123. 712-0324 Hex-L-Nut 1/4-20 thd.

124. 710-0924 Mach. Scr. 1/4-20

125. 720-0294 Foam Grip

126. 754-0271 Belt

128. 782-7018 Pulley Cover

129. 710-1026 Scr. TT1/4-20:1.750 Hx IndWash

130. 736-0329 Lockwasher 1/4” Reg.

131. 736-3020 Fl. Wash. .271 x .630 x .065

132. 712-0287 Nut 1/4-20

136. 710-1270 Scr. 1/4-20:1.31 Lg.

137. 746-0883 Housing (w/o Throttle)

138. 710-0896 Hex Washer Screw 1/4-20 x .625

* If Equipped

Page 20

MANUFACTURER’S LIMITED WARRANTY FOR:

The limited warranty set forth below is given by Cub Cadet LLC with respect to new merchandise purchased and used in the United States, its possessions and territories.

Cub Cadet LLC warrants this product against defects 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 materials or workmanship. This limited warranty shall only apply if this product has been operated and maintained in accordance with the Operator’s Manual furnished with the product, and has not been subject to misuse, abuse, commercial use, neglect, accident, improper maintenance, alteration, vandalism, theft, fire, water, or damage because of other peril or natural disaster. Damage resulting from the installation or use of any accessory or attachment not approved by Cub Cadet LLC for use with the product(s) covered by this manual will void your warranty as to any resulting damage.

Normal wear parts or components thereof are subject to separate terms as follows: All normal wear parts or component failures will be covered on the product for a period of 90 days regardless of cause. After 90 days, but within the two year period, normal wear part failures will be covered ONLY IF caused by defects in materials or workmanship of OTHER component parts. Normal wear parts and components include, but are not limited to: batteries, belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow thrower skid shoes, shave plates, auger spiral rubber, and tires.

HOW TO OBTAIN SERVICE: Warranty service is available, WITH PROOF OF PURCHASE, through your local authorized service dealer. To locate the dealer in your area, check your Yellow Pages, or contact Cub Cadet LLC at P.O. Box 361131, Cleveland, Ohio 44136-0019, or call 1-877-282-8684, or log on to our Web site at www.cubcadet.com.

This limited warranty does not provide coverage in the following cases:

a. The engine or component parts thereof. These items

carry a separate manufacturer’s warranty. Refer to applicable manufacturer’s warranty for terms and conditions.

b. Log splitter pumps, valves, and cylinders have a sepa

rate one year warranty.

c. Routine maintenance items such as lubricants, filters,

blade sharpening, tune-ups, brake adjustments, clutch adjustments, deck adjustments, and normal deterioration of the exterior finish due to use or exposure.

d. Cub Cadet LLC does not extend any warranty for

products sold or exported outside of the United States, its possesions and territories, except those sold through Cub Cadet LLC’s authorized channels of export distribution.

e. Parts that are not genuine Cub Cadet parts are not

covered by this warranty.

f. Service completed by someone other than an

authorized service dealer is not covered by this warranty.

g. Transportation charges and service calls are not

covered.

No implied warranty, including any implied warranty of merchantability of fitness for a particular purpose, applies after the applicable period of express written warranty above as to the parts as identified. No other express warranty, whether written or oral, except as mentioned above, given by any person or entity, including a dealer or retailer, with respect to any product, shall bind Cub Cadet LLC. During the period of the warranty, the exclusive remedy is repair or replacement of the product as set forth above.

The provisions as set forth in this warranty provide the sole and exclusive remedy arising from the sale. Cub Cadet LLC shall not be liable for incidental or consequential loss or damage including, without limitation, expenses incurred for substitute or replacement lawn care services or for rental expenses to temporarily replace a warranted product.

Some states do not allow the exclusion or limitation of incidental or consequential damages, or limitations on how long an implied warranty lasts, so the above exclusions or limitations may not apply to you.

In no event shall recovery of any kind be greater than the amount of the purchase price of the product sold. Alteration

of safety features of the product shall void this warranty.

You assume the risk and liability for loss, damage, or injury to you and your property and/or to others and their property arising out of the misuse or inability to use the product.

This limited warranty shall not extend to anyone other than the original purchaser or to the person for whom it was purchased as a gift.

HOW STATE LAW RELATES TO THIS WARRANTY: This limited warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

Cub Cadet LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-877-282-8684