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John Deere LA110 Troubleshooting
The
John Deere LA110 is a two-wheel drive lawn tractor from LA100 series. This model
was manufactured between 2007 and 2009.
The John Deere LA110 driveline system components: 30.6 cu.in (501 cc)
4-cycle single cylinder OHV vertical shaft air-cooled gasoline engine
with a rated power of 19.5 hp (14.5 kW) and Tuff Torq K46 belt-driven
hydrostatic transmission with infinite forward and reverse gears.
The engine has a float feed carburetor, pulse type fuel pump,
lubrication system with oil pump and filter, and air cleaner with paper
and foam elements. The maximum travel speed (forward/reverse): 5.5 mph
(8.8 km/h) and 3.2 mph (5 km/h).
The John Deere LA110 was equipped with a manual steering, wet disc
brakes, 15x6.00-6 front tires, and 20x8.00-8 rear tires. The wheelbase
is 49 in (1240 mm). The tractor is compatible with a 42" mid-mount
2-blade mower deck with cutting height of 1.0-4.0" (25-102 mm) and
manual lifting system.
| Engine Troubleshooting |
| Engine doesn't start or difficult to start |
| Fuel tank is empty - Add fuel |
| Wrong fuel grade - Use correct fuel grade |
| Dirty fuel lines - Inspect and clean |
| Faulty spark plug wire connection - Check the spark plug wire connection, repair or replace |
| Faulty spark plug - Change spark plug as required |
| Fuel filter is dirty - Install new filter |
| Defective safety switch - Replace if required |
| Carburetor incorrectly set - Set carb correctly |
| Poor cylinder compression - Check cylinder block and change worn parts |
| Worn or unadjusted choke cable - Replace cable or adjust properly |
| Plugged cooling fins - Wash or clean as required |
| Ignition system failure - Check ignition and replace faulty components |
| Stuck or defective throttle cable - Service or change the cable |
| Air filter element is clogged - Change or service air filter |
| Fuel pump is faulty or clogged - Test fuel pump and replace if necessary |
| Engine starts but stalls suddenly |
| Faulty spark plug - Spark plug need to be replaced |
| Defective or clogged carburetor - Clean or install new carburetor |
| Faulty ignition coil - Ignition coil must be replaced |
| Loose or broken valve springs - Change valve springs |
| Valves are stuck - Clean the valves |
| Engine oil level is low - Fill up the engine oil |
| Engine overloaded - Load reducing is recommended |
| Air intake grill is clogged - Need to clean or wash |
| Carburetor is running lean - Adjust carburetor correctly |
| Ignition timing is improper - Ignition timing needs to be adjusted correctly |
| Valve setting is wrong - Adjust valves as required |
| Stale or low octane fuel - Use correct gasoline |
| Engine overload - Load reducing is recommended |
| Lack of engine oil - Need to add engine oil |
| Low idle speed set incorrectly - Correct the settings |
| Fuel pump is faulty or clogged - Clean or change fuel pump |
| Worn crankshaft or main bearings - Have bearings or crankshaft replaced |
| Valve clearance is improper - Check and adjust |
| Worn piston rings or cylinder bore - Replace defective parts |
| Improperly adjusted or dirty carburetor - Service or properly adjust carburetor |
| Air filter is blocked - Replace or clean air filter |
| Clogged or damaged fuel pump - Service or change fuel pump |
| Ignition system malfunction - Inspect ignition system and change failed components |
| Cylinder head gasket is damaged - Replace the head gasket |
| Stuck or burned valves - Clean or replace valves |
| Push rod is damaged or worn - Replace push rod |
| Cylinder block parts are damaged - Replace defective components |
| Engine using too much gasoline |
| Choke is not fully open - Check choke cable and adjust it |
| Carburetor main jet is incorrectly adjusted - Adjust the carburetor main jet correctly |
| Loose or defective spark plug - Tighten or replace spark plug |
| Valves are stuck, worn, or burned - Service or change valves |
| Worn rings, piston, or sleeve - Replace defective parts as required |
| Valve clearance is wrong - Adjustment procedure required |
| Engine consuming too much oil |
| Seals or gaskets are wearing excessively - To repair leaks, replace worn parts |
| Worn valve guides and valve stems - Replace defective valves |
| Worn or broken piston rings - Install new piston rings |
| Cylinder liner or piston is scored - Check piston and liner, change as required |
| Blocked breather hose or pipe - Service or change |
| Hydrostatic Transmission Troubleshooting |
| HST transmission noise |
| Defective or not adjusted speed control pedal linkage - Adjust or install new linkage |
| Transmission is under excessive load - Load needs to be reduced |
| Oil is dirty or oil level is too low - Add oil to the correct level or fill the transmission with fresh oil |
| Transmission parts are worm or defective - Change or repair defective parts |
| Stuck or worn shift linkage - Linkage need to be replaced |
| Hydrostatic pump is blocked or defective - Change or repair pump |
| Damaged or unadjusted transmission shift control components - Adjust properly or change |
| Lack of transmission oil supply - Fill the transmission housing to proper oil level |
| Defective or worn drive sheave - Install a new sheave |
| Shifter linkage is faulty or not adjusted - Replace or adjust linkage |
| Speed control linkage is defective or unadjusted - Adjust or install new linkage |
| Transmission gaskets or seals are worn - Change seals or gaskets |
| Final drive shaft is leaking - Replace shaft seals |
| Cracked transmission housing - Install a new transmission housing |
| Mower Deck Troubleshooting |
| Mower vibrates too much |
| Mower deck drive sheave is clogged or worn - Replace or service sheave |
| Drive belt is worn or loose - Replace belt or adjust belt tension |
| Mower blades are warped or not balanced - Change or balance blades |
| Loose blade bolts tightening - Tighten bolts as required |
| Discharge chute regular clogging |
| Ground speed is too fast - Use a lower speed |
| Long grass - Adjust mower to lower cutting height |
| Reduced engine speeds - Adjust throttle to full opening |
| Cutting height is too low - Need to set high cutting height |
| Incorrect mower drive belt installation - Reinstall drive belt properly |
| Cutting deck clogging - Mower deck needs to be cleaned |
| Not sharp blades - Sharpen the blades |
| Worn or defective blades - Blades need to be replaced |
| Mowing speed is too high - Use a slower speed |
| Cutting height is too low - Adjust mower to higher cutting height |
| Full bagger - Bagger must be empty |
| Lawn is bumpy or not smooth - Level the lawn |
| Cutting level is too low - Use a higher cutting height |
| High mowing speed - Select a lower speed |
| Improper mower deck level - Deck should be adjusted correctly |
| Worn or bent blades - Change the blades |
| Incorrect tire pressure - Need to inflate tires |
| Incorrect tire pressure - Check and inflate the tires |
| Mower deck is not leveled properly - Level the deck correctly |
| Blades are excessively dull - Sharpen the blades |
| Blades are defective or worn - Blades need to be replaced |
| Mower deck is clogged - Inspect and clean cutting deck |
| Deck shell is damaged - Rebuild or change mower deck |
| Mower spindle is faulty or loose - Spindle needs to be repaired or replaced |
| Electrical Troubleshooting |
| Battery cannot be charged |
| Corroded or loose electrical wire connections - Tighten or service connections |
| Electrical terminal connectors are faulty - Terminal connectors should be replaced |
| Battery dead cell - Replace the battery |
| Battery power is low - Battery needs to be recharged |
| Battery drains quickly - Service charging system or change battery |
| Battery terminals are corroded or wires are disconnected - Check cables and replace or service terminals |
| Battery is low or faulty - Charge or replace the battery |
| Battery wires are disconnected or incorrectly connected - Check wires and connect correctly |
| Battery voltage is low - Charge the battery |
| Spark plug worn or incorrectly gapped - Clean and gap or replace |
| Solenoid or starter motor is faulty - Starter/solenoid should be replaced |
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| Lawn and Garden Tractors Technical Specs |
