MTD 690 through 699 manual Trouble Shooting Guide, Trouble Possible Causes Corrective Action

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SECTION 10: TROUBLE SHOOTING GUIDE

Trouble

Possible Cause(s)

Corrective Action

 

 

 

 

 

Engine will

1.

Safety switch button

1.

There are two switches in the starting circuit of your unit: the clutch pedal switch

not crank

 

not depressed.

 

and the deck lift lever switch. Make certain the actuator is fully depressing the

 

 

 

 

buttons on each switch.

 

2.

Battery installed

2.

The battery must be installed with negative terminal attached to black ground

 

 

incorrectly.

 

wire. Negative terminal is identified at the post by “NEG”, “N” or “-”. The positive

 

 

 

 

terminal, identified by “POS”, “P” or “+”, must be attached to the big red wire

 

 

 

 

which goes to the solenoid. All batteries are to be fully charged before installing.

 

 

 

 

Refer to “Quick Start” battery guide that came with the operator’s manual.

 

3.

Battery is dead or

3.

Check fluid level in battery. If fluid is low, fill to just below split rings with water.

 

 

weak.

 

Charge with 6 AMP charger until fully charged.

 

4.

Blown fuse or circuit

4.

Refer to operator’s manual for fuse box location. Replace fuse with automotive

 

 

breaker.

 

type fuse. Fuses seldom fail without a reason. The problem must be corrected.

 

 

 

 

Check for loose connections in the fuse holder. Replace fuse holder if necessary.

 

 

 

 

A dead short may be in the cranking or charging circuit where the insulation may

 

 

 

 

have rubbed through and exposed the bare wire. Replace the wire or repair with

 

 

 

 

electrician's tape if the wire strands have not been damaged.

 

 

 

 

Note: Look for a wire pinched between body panels, burned by the exhaust pipe

 

 

 

 

or muffler or rubbed against a moving part.

 

5.

Engine ground wire

5.

Engine should have a black ground wire running from engine to frame or

 

 

loose.

 

mounting bolt.

Engine

1.

Throttle or choke not in

1.

Check operator's manual for correct position for throttle control and choke for

cranks but

 

starting position.

 

starting.

will not start

 

 

 

 

 

2.

No fuel to the

2.

A. Gasoline tank empty. Fill.

 

 

carburetor.

 

B. Fuel line or in-line fuel filter plugged. Remove and clean fuel line. Replace filter

 

3.

No spark to spark plug.

 

.

 

 

Spark plug lead

3.

Connect lead. Hold spark plug lead away from engine block about 1/8". Crank

 

 

disconnected.

 

engine. There should be a spark. If not, have engine repaired at authorized

 

4.

Faulty spark plug.

 

engine service dealer.

 

 

 

4.

To test, remove spark plug. Attach spark plug lead to spark plug. Ground the

 

 

 

 

spark plug body against the engine block. Crank the engine. The spark plug

 

5.

Dirty air cleaner.

 

should fire at the electrode. Replace if it does not.

 

 

 

5.

If the air cleaner is dirty, the engine may not start. Refer to the engine manual

 

 

 

 

packed with your unit.

Engine

1.

Engine oil overfilled.

1.

Check oil level.

smokes

2.

Engine loses

2.

A. Dipstick not seated or broken. Replace defective part.

 

 

crankcase

 

B. Engine breather defective. Replace.

 

 

vacuum.

 

 

Excessive

1.

Bent or

1.

Stop engine immediately. Check all pulleys, blade adapters, keys and bolts for

vibration

 

damaged blade.

 

tightness and spindle damage. Tighten or replace any damaged parts.

Mower will

1.

Engine speed low.

1.

Throttle must be set at full throttle.

not

2.

Cutting height set too

2.

Use lower ground speed. The slower your ground speed, the better the quality of

discharge

 

low.

 

cut.

grass and/

3.

Blades short or dull.

3.

Raise deck. Sharpen or replace blades (uncut strip problem only).

or leaves

 

 

 

 

uncut strips

 

 

 

 

NOTE: If the above steps fail to correct the problem, contact your local authorized service dealer for repair.

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Contents Operator’s Manual Table of Contents General Operation Important Safe Operation PracticesSlope Operation Children ServiceDo Not Your Responsibility Slope Guage Assembling Your Lawn Tractor Handling BatteryIdentifying Battery Type UnpackingAttaching Steering Wheel Activating & Charging BatteryManual Adjustment Seat Attaching SeatQuick Adjustment Seat Installing Mulching PlugAttaching Chute Deflector Type B Battery Installing BatteryType a Battery Tire PressureKnow Your Lawn Tractor Optional Features Starting Engine Operating Your Lawn TractorGas And Oil Fill-Up Stopping EngineQuick Adjustment Seat Setting Cutting HeightManual Adjustment Seat Grass CollectorDeck Leveling Brake AdjustmentWheel Adjustment Cutting Deck EngagementMaintaining Your Lawn Tractor Battery CareCleaning Battery CarburetorLubrication Cutting BladesDeck Belt 38 and 42 Decks Belt ReplacementBlade Mounting Torque Deck Belts 46 DeckFuel Filter Cleaning Engine & DeckHydrostatic Transmission Cooling Drive BeltOil Drain Sleeve If equipped EngineOil Drain Valve If equipped Optional Equipment Description Model NoTrouble Shooting Guide Trouble Possible Causes Corrective ActionYour Notes MANUFACTURER’S Limited Warranty

690 through 699 specifications

MTD (Motor Technology Division) has developed a remarkable series of compact tractors under the model numbers 690 through 699, which have gained popularity among agricultural professionals and hobby farmers alike. These models are designed to provide powerful, efficient, and versatile performance for a variety of farming tasks.

One of the standout features of the MTD 690 to 699 series is their ergonomic design, which emphasizes operator comfort and ease of use. The tractors are equipped with adjustable seats, intuitive controls, and clear visibility from the operator’s station, ensuring that users can work for extended periods without fatigue. This focus on comfort makes these tractors suitable for both full-time farmers and those who engage in part-time farming or landscaping.

In terms of technology, this series is fitted with advanced engine options that deliver impressive horsepower. The engines are designed for optimal fuel efficiency, reducing operational costs and environmental impact. Additionally, features like electronic fuel injection enhance performance, ensuring reliable startup and smooth operation under varying load conditions.

The transmission systems found in the MTD 690 to 699 models are engineered for versatility. Many models are equipped with hydrostatic transmissions, allowing for seamless speed and directional changes without the need for clutch engagement. This capability is particularly useful when maneuvering in tight spaces or performing tasks that require precision.

Another defining characteristic of this series is their hydraulic systems, which provide powerful lifting capabilities. This makes it easier to attach and operate a wide range of implements and attachments, from loaders to mowers, enhancing productivity on the farm. The hydraulic systems are designed with user-friendliness in mind, allowing for quick attachment changes that reduce downtime during chores.

Durability is also a hallmark of MTD's 690 through 699 tractors. Constructed with robust materials and designed to withstand harsh working conditions, they feature reinforced frames and components that provide longevity and reliability. This durability ensures that the tractors can handle demanding tasks day in and day out, making them a dependable asset for any agricultural operation.

In summary, the MTD 690 through 699 series offers a blend of comfort, efficiency, and technology, making them an attractive option for anyone looking to enhance their farming capabilities. With powerful engines, user-friendly controls, advanced hydraulic systems, and exceptional durability, these compact tractors are poised to meet the needs of today’s diverse agricultural landscape.
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