________________________________________________________________________________________
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 |
________________________________________________________________________________________
________________________________________________________________________________________
Lawn and Garden Tractors Technical Specs |