Cub Cadet 721E manual Troubleshooting Guide, Problem Cause Remedy

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SECTION 7: OFF-SEASON STORAGE

WARNING: Never store engine with fuel in tank indoors or in enclosed, poorly ventilated areas where fuel fumes may reach an open flame, spark or pilot light as on a furnace, water heater, clothes dryer, or other gas appliance.

Clean snow thrower thoroughly.

Lubricate as instructed above with a light oil.

Follow “Storage” instructions in the Engine Manual.

Store in a clean, dry area. Block the snow thrower up so it is not resting on the rubber auger blades.

NOTE: When storing any type of power equipment in a poorly ventilated or metal storage shed, care should be taken to rustproof the equipment, especially springs, cables and all moving parts.

SECTION 8: TROUBLESHOOTING GUIDE

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Fuel tank empty, or stale fuel

1.

Fill tank with clean fresh gasoline.

 

2.

Blocked fuel line

2.

Clean fuel line

 

3.

Key not in ON position

3.

Insert key and turn to ON position

 

4.

Spark plug wire disconnected

4.

Connect wire to spark plug.

 

5.

Faulty spark plug

5.

Clean spark plug, readjust gap, or replace.

 

6.

Engine not primed

6.

Prime engine four times.

 

7.

Engine flooded with excessive priming

7.

Wait at least ten minutes before starting.

Engine runs erratic

1.

Unit running on choke

1.

Move choke lever to OFF position.

 

2.

Fuel line blocked, or stale fuel

2.

Clean fuel line and fill tank with fresh,

 

 

 

 

clean gasoline.

 

3.

Water or dirt in fuel system

3.

Refer to engine manual for remedy.

 

4.

Carburetor out of adjustment

4.

Refer to engine manual for remedy.

Engine overheats

1.

Carburetor out of adjustment

1.

Refer to engine manual for instruction.

Loss of power

1.

Spark plug wire loose

1.

Connect and tighten spark plug wire.

 

2.

Vent in gas cap plugged

2.

Clear vent.

Excessive vibration

1.

Loose parts or damaged auger

1.

Stop engine immediately and disconnect

 

 

 

 

spark plug wire. Check for possible

 

 

 

 

damage. Tighten all bolts and nuts. Repair

 

 

 

 

as needed. If the problem persists, take

 

 

 

 

unit to an authorized service dealer.

Unit fails to self-propel

1.

Drive cable out of adjustment

1.

Adjust drive cable following instructions on

 

 

 

 

page 9 of this manual.

 

2.

Drive belt loose or damaged

2.

Replace drive cable.

Unit fails to discharge

1.

Discharge chute clogged

1.

Stop engine immediately and disconnect

snow

 

 

 

spark plug wire. Clean discharge chute

 

 

 

 

and the auger housing.

 

2.

Foreign object lodged in auger

2.

Stop engine immediately and disconnect

 

 

 

 

spark plug wire. Remove object .

 

3.

Drive cable not adjusted properly

3.

Adjust drive cable following instructions on

 

 

 

 

page 9 of this manual.

 

4.

Drive belt loose or damaged

4.

Replace drive belt.

NOTE: For repairs beyond the minor adjustments listed above, call the White Outdoor Customer Dealer Line at 1-(800)-949-4483 for the dealer nearest you. Refer to separate engine manual, packed with your snow thrower, for engine information.

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Contents Operator’s Manual Table of Contents Preparation Important Safe Operation PracticesTraining Your Responsibility Maintenance And StorageAssembling Your Snow Thrower Assembling Discharge Chute Know Your Snow ThrowerTo Start Engine Operating Your Snow ThrowerBefore Starting Gas and Oil Fill-UpOperating Tips To Stop EngineOperating the Snow Thrower Carburetor Shave PlateBelt Tension Engine Maintaining Your Snow ThrowerReplacing Belt Replacing Shave PlateProblem Cause Remedy Troubleshooting GuideParts List for Model 721E Ref. No Part Description Model 721ERef. No Description Carriage Screw 5/16-18 x MANUFACTURER’S Limited Warranty for

721E specifications

The Cub Cadet 721E is a powerful and reliable snow thrower designed to tackle harsh winter conditions with ease. Known for its robust construction and user-friendly features, the 721E is part of Cub Cadet’s exceptional lineup of snow removal equipment.

At the heart of the 721E is its dependable 2-stage system, which efficiently displaces snow with remarkable speed and effectiveness. The first stage consists of an intake auger that gathers the snow, while the second stage propels it out of the chute, ensuring maximum clearance in minimal time. The 721E features a 21-inch clearing width, making it ideal for handling snow in residential driveways and sidewalks.

One of the standout features of the Cub Cadet 721E is its powerful 208cc OHV engine, providing ample power to tackle even the heaviest snowfalls. This engine ensures reliable starts, thanks to the electric start option, making winter mornings a little easier for users. The machine’s friction disk drive system allows for easy speed adjustments and smooth operation over varying terrains, providing flexibility for users.

The 721E is equipped with an adjustable chute, allowing operators to change the direction of snow discharge with ease. The chute rotation lever can be operated from the control panel, enabling quick adjustments without leaving the operator's station. Additionally, the 8-inch impeller works in tandem with the chute system, facilitating an impressive throwing distance which can reach up to 30 feet.

Safety and comfort have also been prioritized in the design of the 721E. The unit features ergonomic handles with a soft-touch grip, enhancing operator comfort during prolonged use. It also integrates a headlight to illuminate the path ahead in low-light conditions, ensuring visibility during early morning or evening snow clearing sessions.

Durability is another hallmark of the Cub Cadet 721E. Its heavy-duty frame and high-impact plastic housing withstand the rigors of winter weather, while the reinforced steel auger augments its longevity. With features such as adjustable skid shoes and a powder-coated finish, this snow thrower is built to last through multiple winters.

With its combination of performance, ease of use, and durable construction, the Cub Cadet 721E is an excellent choice for homeowners seeking an effective snow removal solution. Whether facing light flurries or heavy blizzards, this snow thrower is equipped to make winter maintenance a straightforward task.