TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

Engine dies when

1.

Reverse operation system

1.

Turn ignition key to

tractor is shifted

 

(ROS) is not "ON" while

 

ROS "ON" position.

into reverse

 

mower or other attachment

 

See Operation section.

 

 

is engaged.

 

 

 

 

 

 

 

Engine continues to run

1.

Faulty operator-safety presence control system.

1.

Check wiring, switches and connections. If not

when operator leaves seat

 

 

 

corrected, contact an authorized service center/

with attachment clutch

 

 

 

department.

engaged

 

 

 

 

 

 

 

 

 

Poor cut - uneven

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

 

2.

Mower deck not level.

2.

Level mower deck.

 

3.

Buildup of grass, leaves, and trash under mower.

3.

Clean underside of mower housing.

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

5.

Clogged mower deck vent holes from buildup of

5.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Mower blades will not

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

rotate

2.

Worn/damaged mower drive belt.

2.

Replace mower drive belt.

 

3.

Frozen idler pulley.

3.

Replace idler pulley.

 

4.

Frozen blade mandrel.

4.

Replace blade mandrel.

 

 

 

 

 

Poor grass discharge

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

2.

Travel speed too fast.

2.

Shift to slower speed.

 

3.

Wet grass.

3.

Allow grass to dry before mowing.

 

4.

Mower deck not level.

4.

Level mower deck.

 

5.

Low/uneven tire air pressure.

5.

Check tires for proper air pressure.

 

6.

Worn, bent or loose blade.

6.

Replace blade. Tighten blade bolt.

 

7.

Buildup of grass, leaves and trash under mower.

7.

Clean underside of mower housing.

 

8.

Mower drive belt worn.

8.

Replace mower drive belt.

 

9.

Blades improperly installed.

9.

Reinstall blades sharp edge down.

 

10.

Improper blades used.

10.

Replace with blades listed in this manual.

 

11.

Clogged mower deck vent holes from buildup of

11.

Clean around mandrels to open vent holes.

 

 

grass, leaves, and trash around mandrels.

 

 

 

 

 

 

 

Headlight(s) not working

1.

Light switch is “OFF”.

1.

Turn light switch “ON”.

(if so equipped)

2.

Bulb(s) or lamp(s) burned out.

2.

Replace bulb(s) or lamp(s).

 

3.

Faulty light switch.

3.

Check/replace light switch.

 

4.

Loose or damaged wiring.

4.

Check wiring and connections.

 

5.

Blown fuse.

5.

Replace fuse.

 

 

 

 

 

Battery will not charge

1.

Bad battery cell(s).

1.

Replace battery.

 

2.

Poor cable connections.

2.

Check/clean all connections.

 

3.

Faulty regulator (if so equipped).

3.

Replace regulator.

 

4.

Faulty alternator.

4.

Replace alternator.

 

 

 

 

 

Loss of drive

1.

Freewheel control in “disengaged” position.

1.

Place freewheel control in “engaged” position.

 

2.

Motion drive belt worn, damaged, or broken.

2.

Replace motion drive belt.

 

3.

Air trapped in transmission during shipment

3.

Purge transmission.

 

 

or servicing.

 

 

 

 

 

 

 

Engine “backfires” when

1.

Engine throttle control not set between half and

1.

Move throttle control between half and full speed

turning engine “OFF”

 

full speed (fast) position before stopping engine.

 

(fast) position before stopping engine.

 

 

 

 

 

26

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Poulan CO20H46YT manual Engine dies when
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CO20H46YT specifications

The Poulan CO20H46YT is a powerful riding lawn mower designed to provide a reliable and efficient mowing experience for homeowners with medium to large lawns. This impressive machine comes with a variety of features and technologies that enhance its performance, comfort, and ease of use.

At the heart of the Poulan CO20H46YT is a robust 20HP Briggs & Stratton engine, known for its durability and high performance. This engine delivers ample power to tackle thick grass and uneven terrain, ensuring that mowing is completed quickly and efficiently. Coupled with a hydrostatic transmission, the mower offers smooth and precise control, allowing users to adjust speed effortlessly while navigating around obstacles.

One of the standout features of the Poulan CO20H46YT is its 46-inch cutting deck. This wide cutting deck allows for a larger mowing area with each pass, reducing the overall time spent mowing. The deck is equipped with a system that enables users to easily adjust the cutting height, accommodating various grass types and mowing preferences. With several height settings available, homeowners can achieve the perfect lawn finish.

Furthermore, the mower incorporates an innovative air induction technology, which enhances airflow throughout the deck. This ensures a clean cut and contributes to a healthier lawn by promoting even grass growth. The blades are designed to give a precise cut while also effectively mulching the grass for improved nutrient recycling.

Comfort and ease of operation are also central to the design of the Poulan CO20H46YT. The ergonomic seat and steering wheel provide a comfortable driving experience, allowing users to mow for extended periods without discomfort. Additionally, the ride-on mower features an easy-to-use control panel, making it simple to operate the various settings.

Another important characteristic of the CO20H46YT is its sturdy construction. Built to withstand the rigors of frequent use, the mower features a durable frame and high-quality components, ensuring longevity and reliability. Regular maintenance is made easier with accessible engine parts, allowing users to keep their mower in peak condition.

In summary, the Poulan CO20H46YT combines power, efficiency, and comfort, making it an excellent choice for homeowners seeking a quality riding lawn mower. With its robust engine, adjustable cutting deck, advanced technologies, and user-friendly design, it is well-equipped to handle the demands of lawn care, delivering exceptional results every time.
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