TROUBLESHOOTING POINTS

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

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/sharpen 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.

 

 

 

 

 

27

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Image 27
Husqvarna LTH1742TWIN manual With attachment clutch
Page 26 Page 28

LTH1742TWIN specifications

The Husqvarna LTH1742TWIN is a standout in the realm of garden tractors, designed to deliver exceptional performance for home gardeners and those with larger yards. This versatile machine offers a perfect combination of power, efficiency, and ease of use, making it an ideal choice for a variety of mowing tasks.

At the heart of the LTH1742TWIN is its robust 17-horsepower Briggs & Stratton twin-cylinder engine, which provides ample power for tackling even the thickest grass. The engine is both reliable and efficient, ensuring that users can complete their mowing tasks with minimal downtime. Additionally, the hydrostatic transmission enhances the driving experience, offering smooth and effortless speed adjustments with the simple push of a pedal. This feature allows users to easily navigate around obstacles without the need for frequent gear changes.

One of the standout features of the LTH1742TWIN is its 42-inch cutting deck, designed with a clear-cutting edge to ensure a tidy and professional-looking finish. The deck is equipped with two blades that effectively slice through grass and other vegetation, providing a superior cut that promotes a healthier lawn. Furthermore, the deck can be easily adjusted to cut at different heights, allowing users to customize their mowing heights based on their preferences and the condition of their lawn.

In terms of design, the Husqvarna LTH1742TWIN includes an ergonomic steering wheel and comfortable seat, ensuring that operators can mow for extended periods without discomfort. The cutting deck has a washout port, making it easy to clean after use and maintain the mower in optimal condition. Additionally, the rugged chassis and durable construction are built to endure the rigors of regular use in various lawn care environments.

Technologically, the Husqvarna LTH1742TWIN features an intuitive control panel that provides quick access to essential functions, including blade engagement and throttle control. This thoughtful design enhances user control and ensures a more efficient mowing experience. The option for mulch, bag, or side-discharge options further adds to its versatility, allowing users to choose how they want to handle grass clippings.

In summary, the Husqvarna LTH1742TWIN is a powerful and user-friendly garden tractor designed to meet the needs of homeowners. With its effective twin-cylinder engine, versatile cutting deck, and ergonomic design, this lawn mower is not just an investment; it is a valuable partner in maintaining a beautiful and healthy lawn.
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