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Yard-Man 21A-144R401 manual Troubleshooting, Engine

Models: 21A-144R401

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•Wipe equipment with a oiled rag to prevent rust.

•Never store the unit with fuel in the tank where fumes may reach an open flame or spark.

Engine

If the unit will be stored for longer than 60 days:

•Drain all gasoline from the gas tank into a container and dispose in accordance with federal, state, and local regulations.

•Start the engine and allow it to run until it stalls. This ensures that all gasoline has been drained from the carburetor.

•Allow the engine to cool and remove the spark plug and put 1 oz. (30ml) of high quality motor oil into the

cylinder. Pull the starter rope slowly to distribute the oil and reinstall the spark plug.

NOTE: Remove the spark plug and drain all of the oil from the cylinder before attempting to start the unit after storage.

•Change oil. Refer to Engine Maintenance. Dispose of the oil in accordance with federal, state, and local regulations.

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

•For more compact storage, store unit in the shipping position with the upper handle folded toward engine. See ASSEMBLY section for details.

SECTION 6: TROUBLESHOOTING

Problem

 

Cause

 

Remedy

 

 

 

 

 

Engine fails to start

1.

Spark plug wire disconnected.

1.

Connect wire to spark plug.

 

2.

Ignition switch is OFF (O).

2.

Turn switch to ON (I).

 

3.

Fuel tank empty or stale fuel.

3.

Fill tank with clean, fresh gasoline.

 

4.

Primer bulb wasn’t pressed enough.

4.

Press primer bulb fully and slowly 5-7

 

 

 

 

times.

 

5.

Engine flooded.

5.

Use starting procedure with choke lever

 

 

 

 

in the Run (C) position.

 

6.

Faulty spark plug.

6.

Clean, adjust gap, or replace.

Engine runs erratic

1.

Spark plug wire loose.

1.

Connect and tighten spark plug wire.

 

2.

Blocked fuel line or stale fuel.

2.

Clean fuel line; fill tank with clean, fresh

 

 

 

 

gasoline

 

3.

Vent in gas cap plugged.

3.

Clear vent.

 

4.

Water or dirt in fuel system.

4.

Drain fuel tank. Refill with fresh fuel.

 

5.

Dirty air filter.

5.

Replace air filter.

 

6.

Carburetor out of adjustment.

6.

See authorized service dealer.

Engine overheats

1.

Engine oil level low.

1.

Fill crankcase with proper oil.

 

2.

Dirty air filter.

2.

Replace air filter.

 

3.

Carburetor not adjusted properly.

3.

See authorized service dealer.

Occasional skip (hesitates)

1.

Spark plug gap too close.

1.

Adjust gap to .025”.

at high speed

 

 

 

 

Idles poorly

1.

Spark plug fouled, faulty or gap too

1.

Reset gap to .025” or replace spark

 

 

wide.

 

plug.

 

2.

Carburetor improperly adjusted.

2.

See authorized service dealer.

 

3.

Dirty air filter.

3.

Replace or clean air filter.

NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.

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Yard-Man 21A-144R401 manual Troubleshooting, Engine
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21A-144R401 specifications

The Yard-Man 21A-144R401 is a versatile and dependable riding lawn mower designed to meet the needs of homeowners seeking efficiency and convenience for their lawn maintenance tasks. With a robust construction and a variety of features, this model stands out in the competitive lawn care market.

One of the key features of the Yard-Man 21A-144R401 is its powerful engine. Equipped with a reliable gas-powered engine, this riding mower provides ample power to tackle even the toughest grass and terrain. The engine is easy to start, ensuring you spend more time mowing and less time fumbling with difficult starting mechanisms.

Another significant characteristic is the mower's cutting deck. The 42-inch deck size strikes a perfect balance between maneuverability and coverage, allowing users to navigate through tight spaces while still efficiently cutting large areas of grass. The deck height is adjustable, offering six different positions to suit various grass types and desired cutting lengths, ensuring a clean and precise cut every time.

The Yard-Man 21A-144R401 is designed with user comfort in mind. It features a high-back seat that provides ample support during longer mowing sessions, along with easy-to-reach controls and a smooth steering system that enhances the overall user experience. The compact design of the mower allows for easy storage and makes it simple to transport.

In terms of technology, this riding mower includes features such as an automatic transmission, which allows for seamless gear transitions. This technology simplifies mowing tasks, as the mower automatically adjusts to the terrain, ensuring a consistent speed and optimal performance no matter the conditions.

Additionally, safety is prioritized in the design of the Yard-Man 21A-144R401. It comes with a set of safety features, such as a blade brake that stops the mower blades when the operator leaves the seat, preventing accidents and ensuring peace of mind during operation.

In summary, the Yard-Man 21A-144R401 is an excellent choice for homeowners looking for an efficient, reliable, and user-friendly riding lawn mower. With its powerful engine, adjustable cutting deck, comfortable seating, and modern technology, this mower is designed to make lawn care tasks easier and more enjoyable. Whether tackling large lawns or smaller landscaped areas, the Yard-Man 21A-144R401 proves to be a dependable companion in every season.