Yard Machines 390 manual Trouble Shooting Guide, Trouble Possible Causes Corrective Action

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SECTION 8: TROUBLE SHOOTING GUIDE

Trouble

Possible Cause(s)

Corrective Action

 

 

 

Engine fails to

Fuel tank empty, or stale fuel.

Fill tank with clean, fresh gasoline. Fuel will not last over

start

 

thirty days unless a fuel stabilizer is used.

 

Throttle control lever not in correct

Move throttle lever to start position.

 

starting position (if so equipped).

 

 

Blocked fuel line.

Clean fuel line.

 

Dirty aircleaner.

Refer to the engine manual packed with your unit.

 

Choke not in ON position.

Move switch to ON position.

 

Spark plug wire disconnected.

Connect wire to spark plug.

 

Faulty spark plug.

Clean, adjust gap or replace.

 

Engine flooded.

Refer to the engine manual packed with your unit.

Engine runs

Unit running on CHOKE.

Move choke lever to OFF position.

erratic

Spark plug wire loose.

Connect and tighten spark plug wire.

 

Blocked fuel line or stale fuel.

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

 

 

not last over thirty days unless a fuel stabilizer is used.

 

Vent in gas cap plugged.

Clear vent.

 

Water or dirt in fuel system.

Drain fuel tank. Refill with fresh fuel.

 

Dirty air cleaner.

Refer to the engine manual packed with your unit.

 

Carburetor out of adjustment.

Refer to the engine manual packed with your unit.

Engine over-

Engine oil level low.

Fill crankcase with proper oil.

heats

Dirty air cleaner.

Refer to the engine manual packed with your unit.

 

Air flow restricted.

Refer to the engine manual packed with your unit.

 

Carburetor not adjusted properly.

Adjust carburetor as instructed in separate engine manual.

Tines do not

Foreign object lodged in tines.

Dislodge foreign object.

engage

Tine clevis pin(s) missing.

Replace tine clevis pin(s).

 

Pulley and idler not in correct

Take unit to authorized service dealer.

 

adjustment.

 

 

Control cable not adjusted properly.

Adjust control cable (see assembly instructions).

 

Belt worn and/or stretched.

Replace belt.

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Contents Operator’s Manual Table of Contents General Operation Important Safe Operation PracticesChildren Removing Unit From Carton Setting Up Your TillerAttaching The Handle Assembly Assembling Your TillerAttaching Clutch Control Cables Forward Cable Models 340 thru Final Clutch AdjustmentKnow Your Tiller Throttle ControlOperating Your Tiller Gas and Oil Fill upStarting Engine Wheel Position Using Your TillerTo Stop Engine Models 343Controlling Speed And Tilling Depth Depth Stake AdjustmentCultivating Transporting The TillerDepth Stake Adjustment Clutch Control AdjustmentsTine Width Adjustment Wheel AdjustmentsMaintaining Your Tiller Forward Drive Belt See Figure OFF-SEASON StorageTrouble Possible Causes Corrective Action Trouble Shooting GuideModel 340 Thru Part Description 255 Model 340 Thru Model Description 252624 Model MANUFACTURER’S Limited Warranty for

390 specifications

The Yard Machines 390 is a robust and versatile lawn mower designed to meet the demands of both residential and commercial users. With its powerful features and advanced technologies, the Yard Machines 390 delivers exceptional performance, making lawn care an easier and more efficient task.

At the heart of the Yard Machines 390 is a reliable engine. The 390cc engine provides ample power to tackle even the toughest mowing jobs. This engine is engineered for optimal performance, ensuring a smooth and consistent cut across various grass types. Its efficient fuel consumption not only extends the operation time but also reduces the frequency of refueling.

One of the standout features of the Yard Machines 390 is its cutting deck. The 21-inch cutting deck is crafted from durable materials, allowing for longevity and resilience against wear and tear. The deck is designed for superior airflow, ensuring a clean and even cut every time. Additionally, the mower offers multiple cutting height positions, allowing users to customize their mowing height according to their preference and the type of grass being cut.

The Yard Machines 390 is equipped with a self-propelled drive system, which significantly reduces the effort required by the user. This feature is particularly beneficial on hilly terrain or uneven surfaces, providing enhanced maneuverability and control. The adjustable speed settings further allow users to tailor the mowing pace to their comfort level.

An additional characteristic of the Yard Machines 390 is its ease of maintenance. The mower is designed for simple access to vital components, making routine maintenance tasks such as oil changes and blade sharpening straightforward and hassle-free. The machine's durable construction also contributes to its reliability and reduces the need for frequent repairs.

Moreover, the Yard Machines 390 incorporates safety features to protect users during operation. The operator presence control ensures that the engine stops immediately if the user loses control of the mower, minimizing the risk of accidents.

In summary, the Yard Machines 390 is a powerful, efficient, and user-friendly lawn mower that combines advanced technology with practical features. Its robust engine, versatile cutting deck, self-propelled drive, and safety measures make it an excellent choice for anyone looking to maintain a pristine lawn with minimal effort. Whether you are a homeowner or a professional landscaper, the Yard Machines 390 is designed to deliver exceptional results.
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