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.

 

 

 

 

 

26

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Husqvarna LTH1842 manual With attachment clutch
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LTH1842 specifications

The Husqvarna LTH1842 is a reliable and efficient riding mower designed for homeowners who need a robust lawn care solution. Engineered with a focus on performance and user comfort, this model is an excellent choice for those maintaining medium to large-sized yards.

One of the standout features of the LTH1842 is its powerful 18.5 HP Briggs & Stratton engine. This engine provides ample power for a smooth cutting experience, ensuring that grass is cut evenly and effectively. Users will appreciate the automatic transmission, which allows for effortless speed adjustments and makes mowing a straightforward task, even on hilly terrain.

The cutting deck is another highlight of the Husqvarna LTH1842. With a width of 42 inches, it features a reinforced design that enhances durability. The cutting height can be adjusted to six different positions, ranging from 1 to 4 inches, giving users the flexibility to choose the perfect height for their lawn. Additionally, the fan-assisted bagger option helps collect grass clippings efficiently, promoting a cleaner mowing experience.

Ease of use is integrated throughout the design of the LTH1842. The ergonomic steering wheel and high-back seat are designed for comfort, especially during extended mowing sessions. The clear dashboard makes it simple for operators to monitor their speed and fuel levels without distraction.

Moreover, the Husqvarna LTH1842 incorporates advanced technology to enhance functionality. The ReadyStart system enables quick starts without the need for priming, ensuring that your mower is ready when you are. The mower is also compatible with a wide range of attachments, allowing it to perform additional tasks throughout different seasons, such as mulching and snow clearing.

Safety features, including an automatic shut-off mechanism when the operator leaves the seat, ensures that the user operates the machine securely. The LTH1842 also comes with a strong warranty, reflecting the manufacturer’s confidence in the machine's durability and performance.

In summary, the Husqvarna LTH1842 is a versatile riding mower that combines power, comfort, and innovative features. It is well-suited for homeowners looking for a reliable solution to maintain their lawns efficiently. With its robust engine, adjustable cutting deck, and user-friendly design, the LTH1842 delivers performance and convenience for a superior mowing experience.
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