SECTION 11: TROUBLESHOOTING

Trouble

Possible Cause(s)

Corrective Action

 

 

 

Engine fails to start

PTO engaged.

Place PTO knob (or lever) in disengaged (OFF)

 

 

position.

 

Parking brake not engaged.

Engage parking brake.

 

Spark plug wire(s) disconnected.

Connect wire(s) to spark plug(s).

 

Throttle control lever not in correct

Place throttle lever to FAST position.

 

starting position.

 

 

Choke not activated

Pull out the CHOKE control (if so equipped) or place the

 

 

throttle control in CHOKE position.

 

Fuel tank empty, or stale fuel.

Fill tank with clean, fresh (less than 30 days old) gas.

 

Blocked fuel line.

Clean fuel line or replace fuel filter, if so equipped.

 

Faulty spark plug.

Clean, adjust gap or replace plug.

 

Engine flooded.

Crank engine with throttle in FAST position.

 

 

 

Engine runs erratic

Unit running with CHOKE applied.

Push CHOKE control (if so equipped) in, or move the

 

 

throttle control out of the CHOKE position.

 

Spark plug wire(s) loose.

Connect and tighten spark plug wire(s).

 

Blocked fuel line or stale fuel.

Clean fuel line; fill tank with clean, fresh (less than 30

 

 

days old) gasoline. Replace fuel filter, if so equipped.

 

Vent in gas cap plugged.

Clear vent or replace cap if damaged.

 

Water or dirt in fuel system.

Drain fuel tank. Refill with clean, fresh (less than 30

 

 

days old) gasoline.

 

Dirty air cleaner.

Replace air cleaner cartridge/element or clean pre-

 

 

cleaner, if so equipped.

 

 

 

Engine overheats

Engine oil level low.

Fill crankcase with proper capacity and weight of oil.

 

Air flow restricted.

Clean grass clippings and debris from around the

 

 

engine’s cooling fins and blower housing.

 

 

 

Engine hesitates at high RPM

Spark plug(s) gap too close.

Remove spark plug(s) and reset the gap.

 

 

 

Idles poorly

Spark plug(s) fouled, faulty or gap too

Replace spark plug(s). Set plug(s) gap.

 

wide.

 

 

Dirty air cleaner.

Replace air cleaner cartridge/element or clean pre-

 

 

cleaner, if so equipped.

 

 

 

Excessive vibration

Cutting blade loose or unbalanced.

Tighten blade and spindle. Balance blade.

 

Damaged or bent cutting blade.

Replace blade.

 

 

 

Mower will not mulch grass

Engine speed too low.

Place throttle control in FAST (rabbit) position.

 

Wet grass.

Do not mow when grass is wet; wait until later to cut.

 

Excessively high grass.

Mow once at a high cutting height, then mow again at

 

 

desired height or make a narrower cutting swath.

 

Dull blade.

Sharpen or replace blade.

 

 

 

Uneven cut

Deck not balanced properly.

Perform side-to-side deck adjustment.

 

Dull blade.

Sharpen or replace blade.

 

Uneven tire pressure.

Check tire pressure in all four tires.

 

 

 

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White Outdoor LT-542K, LT-942K, LT-946K manual Troubleshooting, Trouble Possible Causes Corrective Action
Page 25 Page 27

LT-542K, LT-942K, LT-946K specifications

The White Outdoor LT-542K, LT-942K, and LT-946K are robust riding lawn mowers known for their reliability and performance, making them popular choices among homeowners and landscapers alike. Each model is designed to tackle large yards with ease, providing an efficient and effective mowing experience.

The LT-542K model features a 42-inch cutting deck, allowing users to cover more ground in less time. It is powered by a reliable Kohler engine, which delivers ample power to handle various mowing conditions. The LT-542K also comes equipped with a hydrostatic transmission that offers smooth, effortless operation, allowing users to adjust their speed without the need for shifting gears. This feature is particularly useful for navigating tight spaces and uneven terrain.

Moving on to the LT-942K, this model takes performance a step further with a larger 48-inch cutting deck. This increased width allows for quicker mowing over larger areas, reducing overall mowing time. The LT-942K is also equipped with a powerful Briggs & Stratton engine, renowned for its durability and efficiency. The automatic transmission provides an easier driving experience, while the comfortable seating and ergonomic controls ensure that users can operate the mower for extended periods without discomfort.

The LT-946K model is the flagship of these series, boasting a 46-inch cutting deck that strikes a balance between maneuverability and cutting capacity. This model further enhances the mowing experience with its advanced features, including a mulching capability that allows users to finely chop grass clippings, returning nutrients back into the lawn. The LT-946K is designed with a heavy-duty steel frame to withstand rigorous usage, ensuring longevity and robustness.

All three models share essential characteristics such as easy cutting height adjustment, allowing users to customize their lawn’s finish. They also feature reliable, efficient engines that can easily tackle tough mowing conditions. In addition, their intuitive controls and user-friendly designs make them accessible for both seasoned operators and those new to riding mowers.

In summary, the White Outdoor LT-542K, LT-942K, and LT-946K offer a combination of power, durability, and ease of use. Whether for residential use or professional landscaping, these mowers deliver performance that meets the needs of various users, proving to be valuable assets in lawn care maintenance.
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