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John Deere LX255 Troubleshooting
The
John Deere LX255 lawn tractor was manufactured between 1999 and 2001. The John
Deere LX255 driveline consists of a Kohler Command CV15S vertical shaft
four-cycle 1-cylinder gasoline engine and Tuff Torq K62 belt-driven hydrostatic
transmission with infinite forward and reverse gears.
The 26.1 cu.in (426 cc) Kohler engine has a cylinder bore of 3.6" (90
mm), piston stroke of 2.64" (67 mm), and rated power of 15 hp (11.2 kW).
The maximum forward speed - 5.5 mph (8.8 km/h), max. reverse speed - 3
mph (4.8 km/h). The tractor is fitted with 15x6.00-6 front tires and
20x10.00-8 rear tires.
The wheelbase is 47.5 inches (1200 mm). The John Deere LX255 can be
equipped with the following attachments: a 42" mid-mount 2-blade mower
deck with cutting height of 1.5-4" (38-102 mm), 48" mid-mount 3-blade
mower deck with 13 cut positions, 42" front-mount 1-stage snowblower
with clearing height of 16.3" (410 mm), and 42" front blade with manual
lift system.
| Engine Troubleshooting |
| Engine starts up hard or doesn't start |
| No fuel in fuel tank - Fill gasoline up |
| Wrong fuel grade - Use correct fuel grade |
| Dirt and debris in fuel system - Remove debris and dirt |
| Spark plug wire is loose or disconnected - Inspect spark plug wiring connection, change or repair |
| Spark plug is defective - Install new spark plug |
| Fuel filter is dirty - Change fuel filter |
| Brake pedal not depressed - Press the brake pedal |
| Carburetor is clogged - Clean the carburetor |
| Low cylinder compression - Check cylinder block and replace worn parts |
| Throttle cable is adjusted incorrectly or damaged - Adjust correctly or change the cable |
| Air intake screen is plugged - Wash or clean as required |
| Ignition failure - Check ignition and replace faulty components |
| Choke cable is defective or stuck - Service or replace the cable |
| Air filter is dirty - Service or replace air filter |
| Dirty or defective fuel pump - Clean or replace fuel pump |
| Engine starts and stalls suddenly |
| Defective spark plug - Install new spark plug |
| Clogged or faulty carburetor - Clean or change carburetor |
| Ignition coil is damaged - Replace ignition coil as necessary |
| Broken or bad valve springs - Valve springs need to be changed |
| Valves sticking - Valves must be cleaned |
| Low engine oil level - Check oil level and add oil as required |
| Engine overload - Reduce engine load |
| Cooling fins are blocked - Wash or clean as required |
| Carburetor mixture is too lean - Make the correct settings |
| Ignition timing is improper - Adjust ignition timing correctly |
| Valve setting is incorrect - Set the valves properly |
| Stale or low octane fuel - Change fuel |
| Excessive engine load - Load reducing is recommended |
| Engine oil level is insufficient - Fill up the oil to required level |
| Low idle speed setting is not correct - Adjust idle speed |
| Fuel pump is damaged or dirty - Check fuel pump and change if required |
| Main bearings or crankshaft wear - Have bearings or crankshaft replaced |
| Improper valve clearance - Adjust valve clearance |
| Piston rings or cylinder bore are worn - Change defective components |
| Clogged or incorrectly adjusted carburetor - Adjust carburetor properly or service it |
| Plugged air filter - Clean or change air filter |
| Fuel pump is defective or dirty - Check fuel pump and change if required |
| Ignition failure - Check ignition system and replace faulty parts |
| Damaged cylinder-head gasket - Replace the head gasket |
| Burned or stuck valves - Replace or service valves |
| Worn or defective push rod - Install a new push rod |
| Faulty cylinder block components - Replace defective components |
| Excessive fuel consumption |
| Throttle is not fully open - Change or adjust throttle cable |
| Carburetor main jet is incorrectly adjusted - Adjust it correctly |
| Spark plug is loose or faulty - Spark plug need to be replaced or tightened |
| Valves are worn, burned or stuck - Clean or replace valves |
| Sleeve, piston, or rings are damaged - Change defective components |
| Valve clearance is not correct - Adjust to proper valve clearance |
| Engine oil consumption is too high |
| Gaskets or seals can be faulty - Replace defective parts |
| Valve stems and guides are worn - Valves replacement required |
| Piston rings are stuck or broken - Replace piston rings |
| Piston or cylinder liner is scored - Check piston and liner, install new parts as required |
| Breather hose or pipe is blocked - Change or service |
| Hydrostatic Transmission Troubleshooting |
| Hydrostatic transmission is excessively noisy |
| Worn or unadjusted speed control linkage - Replace or adjust linkage |
| Excessive transmission load - The load should be reduced |
| Contaminated transmission fluid or low fluid level - Add fluid to correct level or fill the transmission with fresh fluid |
| Damaged or worn components of hydrostatic transmission - Change or repair defective parts |
| Damaged or loose shift linkage - Change or repair linkage |
| Defective or stuck hydrostatic pump - Repair or change pump |
| Worn or misadjusted transmission shift control parts - Adjust correctly or replace |
| Low fluid level - Need to add transmission fluid |
| Drive pulley is worn or faulty - Replace pulley |
| Not adjusted or damaged shifter linkage - Adjust properly or change linkage |
| Speed control linkage is worn or unadjusted - Adjust or install new linkage |
| Broken transmission gaskets or seals - Replace seals or gaskets |
| Final drive shaft is leaking - Replace shaft seals |
| Cracked transmission housing - Housing needs to be replaced |
| Mower Deck Troubleshooting |
| Mower vibration is excessive |
| Clogged or damaged mower drive sheave - Replace or service sheave |
| Drive belt is loose or defective - Change belt or adjust belt tension |
| Mower blades are bent or out of balance - Balance blades or replace it |
| Loose blade mounting bolts - Tighten bolts as required |
| Constant clogging of discharge chute |
| Fast mowing speed - Use a slower speed |
| Long grass - Use a lower cutting height |
| Reduced engine rpm - Choke is not fully opening |
| Cutting level is too low - Must be set to high cutting height |
| Drive belt installation is not correct - Install drive belt as required |
| Mower leaving random uncut of grass |
| Clogged mower deck - Mower deck needs to be cleaned |
| Blades are excessively dull - Need a blade sharpening |
| Blades are defective or worn - Replace the blades |
| High ground speed - Operate at slower speed |
| Mower deck set to low cutting - Use correct cutting height |
| Filled grass bag - Remove grass from bag |
| Blades are scalping the grass |
| Bumpy or not smooth lawn - Level the lawn |
| Mower deck set to low cutting - Raise the cutting height |
| Fast mowing speed - Use a slower speed |
| Incorrect level of mower deck - Deck should be adjusted correctly |
| Worn or bent blades - Blades must be changed |
| Incorrect tire pressure - Inflate tires as required |
| Low tire pressure - Correct tire pressure |
| Mower deck is not leveled properly - Level the deck properly |
| Excessive blade dullness - Sharpen the blades |
| Bent or worn blades - Install new blades |
| Cutting deck is clogged - Need to clean the mower deck |
| Damaged mower deck shell - Repair or change the deck |
| Loose or faulty mower spindle - Repair or change the spindle |
| Electrical Troubleshooting |
| Battery is not charging |
| Electrical wire connections are loose or corroded - Service or tighten connections |
| Defective battery terminal clamps - Change terminal clamps |
| Dead cell in battery - Change the battery |
| Starter motor cranks slow |
| Low battery output voltage - Charge the battery |
| Battery drains quickly - Service charging system or replace battery |
| Bad terminals or disconnected battery cables - Connect cables properly or replace terminals |
| Starter motor is not working |
| Battery is low or faulty - Charge or change the battery |
| Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly |
| Low battery output voltage - Battery is drained, recharge it |
| Faulty or incorrectly gapped spark plug - Clean and gap or replace |
| Solenoid or starter motor is faulty - Repair starter or change solenoid |
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| Lawn and Garden Tractors Technical Specs |
