TROUBLESHOOTING POINTS

 

PROBLEM

CAUSE

CORRECTION

 

Engine continues

1.

Faulty operator-safety presence control

1.

Check wiring, switches and connections. If not

 

to run when oper-

 

system.

 

corrected, contact an authorized service center/

 

ator leaves seat

 

 

 

department.

 

 

 

 

 

 

 

with attachment

 

 

 

 

 

 

clutch 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, trash under mower.

3.

Clean underside of mower housing.

 

 

4.

Bent blade mandrel.

4.

Replace blade mandrel.

 

 

5.

Clogged mower deck vent holes from

5.

Clean around mandrels to open vent holes.

 

 

 

buildup of grass, leaves, and trash around

 

 

 

 

 

 

mandrels.

 

 

 

 

Mower blades will

1.

Obstruction in clutch mechanism.

1.

Remove obstruction.

 

 

not 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

1.

Engine speed too slow.

1.

Place throttle control in “FAST” position.

 

 

discharge

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, 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 parts manual.

 

 

11.

Clogged mower deck vent holes from buildup

11.

Clean around mandrels to open vent holes.

 

 

 

of grass, leaves, trash around mandrels.

 

 

 

 

Headlight(s) not

1.

Switch is “OFF”.

1.

Turn switch “ON”.

 

 

working

2.

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

2.

Replace bulb(s) or lamp(s).

 

(if so equipped)

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

1.

Bad battery cell(s).

1.

Replace battery.

 

 

charge

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.

Debris on steering plate (if equipped).

2.

See "CLEANING" in the maintenance section.

 

 

3.

Motion drive belt worn, damaged, or broken.

3.

Replace motion drive belt.

 

 

4.

Air trapped in transmission during

4.

Purge transmission.

 

 

 

shipment or servicing.

 

 

 

 

 

5.

Axle key missing.

5.

Install axle key at rear wheel. See "TO REMOVE

 

 

 

 

 

WHEEL" in the Service and Adjustments section.

 

 

 

 

 

 

 

 

Engine "back-

1.

Engine throttle control not set between

1.

Move throttle control between half and full speed

 

 

fires” when turn-

 

half and full speed (fast) position before

 

(fast) position before stopping engine.

 

 

stopping engine.

 

 

 

 

ing engine “OFF”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine dies when

1.

Reverse operation system (ROS) is not "ON"

1.

Turn ignition key to ROS "ON" position. See

 

 

tractor is shifted

 

while mower or other attachment is engaged.

 

Operation section.

 

into reverse

 

 

 

 

 

27

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Husqvarna YTH18K46 owner manual Engine continues
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YTH18K46 specifications

The Husqvarna YTH18K46 is a robust and versatile riding lawn mower designed for homeowners seeking an efficient and reliable solution for maintaining their lawns. This compact tractor combines power, performance, and ease of use, making it an ideal choice for medium to large-sized yards.

One of the standout features of the YTH18K46 is its powerful 18-horsepower Kohler engine. This reliable engine ensures that users can tackle even the toughest mowing tasks with confidence. The engine is specifically designed for efficiency, providing an excellent balance of power and fuel economy, making it an environmentally friendly option as well.

The 46-inch cutting deck is another highlight of the YTH18K46. This wide deck allows for efficient mowing, covering more ground in less time. The cutting height can be easily adjusted from 1.5 to 4 inches, allowing homeowners to choose the perfect height for their grass. This versatility ensures that your lawn looks well-groomed, regardless of the season.

For added convenience, the YTH18K46 features an automatic choke system, making starting the mower easier without the hassle of manually adjusting choke settings. The pedal-operated hydrostatic transmission provides smooth and effortless speed control, allowing users to navigate their yards with precision.

The comfortable high-back seat, along with an ergonomic steering wheel, enhances the overall mowing experience. With added features such as a built-in cup holder and an easy-to-read fuel gauge, user comfort is prioritized during every mowing session.

Safety is also a key focus with the Husqvarna YTH18K46. It is equipped with an automatic blade engagement system that ensures the blades turn off when the operator leaves the seat, preventing accidents. Furthermore, the anti-scalp wheels on the cutting deck help prevent scalping of the turf, ensuring a clean and even cut.

In summary, the Husqvarna YTH18K46 is a powerful and practical riding mower that combines innovative technologies and thoughtful design. With its reliable engine, versatile cutting deck, and user-friendly features, it caters to the needs of homeowners looking for efficiency and comfort in lawn care. Whether you’re dealing with a sprawling lawn or navigating tight spaces, the YTH18K46 is built to deliver exceptional performance and results.
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