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John Deere LX266 Troubleshooting
The
John Deere LX266 is a LX200 series lawn tractor. This model was manufactured
from 2001 to 2003. The John Deere LX266 driveline includes a Kohler Command
CV460S 4-cycle single cylinder air-cooled gasoline engine and Tuff Torq K62
belt-driven hydrostatic transmission with infinite forward and reverse gears.
A 29.9 cubic inches (490 cc) engine has a cylinder bore of 3.43" (87
mm), piston stroke of 3.03" (77 mm), and rated power of 16 hp (11.9 kW).
The maximum forward speed - 5.5 mph (8.8 kph), max. reverse speed - 3
mph (4.8 kph). The John Deere LX266 was equipped with a manual steering
system, internal wet disc brakes, 15x6.00-6 front tires, and 20x10.00-8
rear tires. The wheelbase is 47.5" (1200 mm).
The tractor is compatible with the following attachments: a 42"
mid-mount 2-blade mower deck with cutting height of 1.0-4.0 in (25-102
mm) and manual lift system, 48" mid-mount 3-blade mower deck with
cutting height of 1.0-4.0 in (25-102 mm), 13 cut adjustments, and
mechanical lift system, 42" front-mount single-stage snowblower, or 42"
front-mount blade.
| Engine Troubleshooting |
| Engine doesn't start or difficult to start |
| No fuel in fuel tank - Fill fuel up |
| Improper fuel grade - Use quality fuel |
| Dirt and debris in fuel system - Remove debris and dirt |
| Defective spark plug wire connection - Check spark plug wiring connection, repair or change |
| Spark plug is damaged - Replace spark plug |
| Plugged fuel filter - Fuel filter needs changing |
| Defective safety switch - Replace if required |
| Carburetor components worn out - Repair or replace parts |
| Bad engine compression - Inspect cylinder block and replace worn components |
| Damaged or not adjusted choke cable - Adjust properly or change the cable |
| Cooling fins are plugged - Need to clean or wash |
| Ignition failure - Test ignition and replace failed parts |
| Stuck or defective throttle cable - Service or replace the cable |
| Air filter element is plugged - Replace or service air filter |
| Fuel pump is clogged or faulty - Check fuel pump and change if required |
| Engine starts and immediately shuts off |
| Spark plug is faulty - Spark plug need to be replaced |
| Carburetor is defective or dirty - Service or change carburetor |
| Ignition coil is damaged - Replace ignition coil as necessary |
| Broken or loose valve springs - Valve springs need to be changed |
| Valves are stuck - Clean the valves |
| Engine oil level is low - Check oil level and add oil as required |
| Engine is under excessive load - Load reducing is recommended |
| Cooling fins are blocked - Wash or clean as required |
| Carburetor mixture is too lean - Set the carburetor properly |
| Incorrect ignition timing - Set the ignition timing properly |
| Improper valve setting - Adjust valves as required |
| Abnormal engine knocking or noise |
| Low octane gasoline - Change fuel |
| Engine is under excessive load - Load reducing required |
| Engine oil insufficient - Fill up the oil to required level |
| Incorrect low idle setting - Correct the settings |
| Fuel pump is damaged or dirty - Test fuel pump and change if necessary |
| Main bearings or crankshaft are worn out - Have bearings or crankshaft replaced |
| Valve clearance is not correct - Check and adjust |
| Damaged cylinder bore or piston rings - Change defective parts |
| Carburetor is improperly adjusted or dirty - Adjust the carburetor correctly or clean it |
| Plugged air filter - Service or change air filter |
| Dirty or damaged fuel pump - Service or change fuel pump |
| Ignition system malfunction - Test ignition and replace failed parts |
| Defective cylinder head gasket - Replace the head gasket |
| Valves are stuck or burned - Service or change valves |
| Worn or defective push rod - Change push rod |
| Cylinder block components are damaged - Defective parts need to be replaced |
| Excessive fuel consumption |
| Insufficient throttle opening - Adjust or replace throttle cable |
| Improper adjustment of carburetor main jet - Adjust main jet as required |
| Loose or defective spark plug - Change or re-tighten spark plug |
| Burned, worn, or stuck valves - Replace or service valves |
| Piston, sleeve, or rings are damaged - Replace defective parts as required |
| Excessive valve clearance - Check and adjust |
| Seals or gaskets are defective - Replace defective parts |
| Valve guides and stems are worn - Replace defective valves |
| Worn or stuck piston rings - Change piston rings |
| Scored piston or cylinder liner - Inspect liner and piston, change as necessary |
| Plugged breather pipe or hose - Service or replace |
| Hydrostatic Transmission Troubleshooting |
| Hydrostatic transmission makes noise |
| Speed control linkage is worn or unadjusted - Adjust or repair linkage |
| Excessive loading - The load should be reduced |
| Contaminated transmission fluid or low fluid level - Pour fresh fluid or add transmission fluid to proper level |
| Transmission components are damaged or worn - Replace or repair defective components |
| Damaged or loose shift linkage - Change or repair linkage |
| Blocked or faulty hydrostatic pump - Change or repair pump |
| Worn or misadjusted transmission shift control parts - Adjust correctly or replace |
| Insufficient transmission fluid - Fill the transmission housing to proper fluid level |
| Drive pulley is defective or worn - Replace pulley |
| Broken or not adjusted shift linkage - Replace or adjust linkage |
| Defective or not adjusted speed control pedal linkage - Replace or adjust linkage |
| Damaged transmission seals or gaskets - Install new gaskets or seals |
| Final drive shaft leaks - Shaft seals need to be changed |
| Transmission housing is cracked - Install a new transmission housing |
| Mower Deck Troubleshooting |
| Mower vibrates too much |
| Mower deck drive pulley is worn or dirty - Clean or change pulley |
| Damaged or loose drive belt - Replace belt or adjust belt tension |
| Unbalanced or warped mower blades - Balance blades or replace it |
| Loose blade bolts tightening - Bolts should be tightened |
| Constant clogging of discharge chute |
| High ground speed - Need to slow down |
| Grass is too high - Must be set to low cutting height |
| Engine is running at too low speed - Choke is not fully opening |
| Cutting level is too low - Change cutting height adjustment |
| Mower drive belt installation is improper - Drive belt must be installed correctly |
| Cutting deck clogging - Clean mower deck as required |
| Blades are too dull - Need a blade sharpening |
| Damaged or worn blades - Replace the blades |
| Ground speed is too fast - Need to slow down |
| Cutting height is too low - Adjust mower to higher cutting height |
| Filled bagger - Remove grass from bagger |
| Lawn is not level or bumpy - Level the lawn |
| Mower cuts too low - Change cutting height adjustment |
| Mowing speed is too high - Need to slow down |
| Mower deck is not leveled properly - Deck needs to be adjusted properly |
| Blades are worn or bent - Blades need to be replaced |
| Tires are not correctly inflated - Correct tire pressure |
| Low tire pressure - Correct tire pressure |
| Deck level is not correct - Level the deck correctly |
| Blades are not sharp - Need a blade sharpening |
| Blades are worn or damaged - Change the blades |
| Mower deck is clogged - Mower deck needs to be cleaned |
| Damaged mower deck shell - Repair or replace the deck |
| Mower spindle is faulty or loose - Change or repair the spindle |
| Electrical Troubleshooting |
| Battery is not charging |
| Loose or corroded electrical wiring connections - Tighten or service connections |
| Defective electrical terminal connectors - Terminal connectors should be replaced |
| Battery bad cell - Battery change required |
| Low battery output - Recharge the battery |
| Battery will not hold charge - Service battery or change it |
| Disconnected battery cables or bad terminals - Check cable connections and change or clean terminals |
| Battery is low or faulty - Battery needs to be recharged or replaced |
| Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly |
| Low battery capacity - Charge the battery |
| Incorrectly gapped or worn spark plug - Clean, gap or change spark plug |
| Defective solenoid or starter motor - Repair starter or replace solenoid |
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| Lawn and Garden Tractors Technical Specs |
