________________________________________________________________________________________
Husqvarna LTH2038 Troubleshooting
The
Husqvarna LTH2038 is a 2WD lawn tractor. This model was manufactured from 2013
to 2020. The Husqvarna LTH2038 drivetrain system components: Briggs and Stratton
311777 4-cycle vertical shaft single cylinder air-cooled gasoline engine and
Tuff Torq K46 belt-driven hydrostatic transmission with infinite forward and
reverse gears.
A 33 cu.in (540 cc) engine has a cylinder bore of 3.70" (94 mm), piston
stroke of 3.06" (78 mm), and max power of 19.5 hp (14.7 kW). The maximum
travel speed (forward/reverse): 5.2 mph (8.4 km/h) and 2.9 mph (4.7
km/h).
The Husqvarna LTH2038 lawn tractor is equipped with a manual steering,
disc brakes, 15x6.00-6 front tires, and 20x8.00-8 rear tires. The
tractor is compatible with a 38" mid-mount 2-blade mower deck with
cutting height of 1.5-4.0 in (38-101 mm), manual blade engagement, 6 cut
positions, and mechanical lift system with hand operated.
| Engine Troubleshooting |
| Engine difficult to start or won't start |
| Gas tank is empty - Add gasoline |
| Improper fuel grade - Change fuel |
| Air trapped in fuel system - Bleed air |
| Damaged spark plug wiring connection - Inspect spark plug wiring connection, change or repair |
| Damaged spark plug - Spark plug need to be replaced |
| Fuel filter is plugged - Install new filter |
| Faulty safety switch - Change damaged switch |
| Carburetor settings incorrect - Adjusting as required |
| Bad engine compression - Inspect cylinder block and replace worn components |
| Throttle cable is worn or adjusted improperly - Replace cable or adjust properly |
| Engine runs intermittently |
| Cooling fins are blocked - Clean and wash as required |
| Defective ignition - Inspect ignition system and change faulty parts |
| Choke cable is defective or stuck - Replace or clean the cable |
| Air filter is dirty - Service or change air filter |
| Dirty or damaged fuel pump - Check fuel pump and change if required |
| Engine starts and stops immediately |
| Spark plug is defective - Change spark plug |
| Faulty or dirty carburetor - Service or repair carburetor |
| Ignition coil is defective - Ignition coil should be replaced |
| Valve springs are weak or broken - Replace valve springs |
| Valves are stuck - Valves need to be cleaned |
| Insufficient engine oil - Check oil level and add oil as required |
| Engine is under excessive load - Load reducing is recommended |
| Clogged cooling fins - Need to clean or wash |
| Carburetor is running lean - Adjust carburetor correctly |
| Incorrect ignition timing - Ignition timing needs to be adjusted correctly |
| Incorrect valve setting - Adjust valves as required |
| Stale gasoline - Use proper fuel |
| Excessive engine load - Load reducing is recommended |
| Lack of engine oil - Add oil to the engine crankcase |
| Low idle speed set incorrectly - Correct idle adjustment |
| Dirty or defective fuel pump - Inspect fuel pump and change as required |
| Crankshaft or main bearings wear - Change defective components as required |
| Valve clearance is improper - Adjustment procedure required |
| Damaged piston rings or cylinder bore - Replace defective components |
| Dirty or incorrectly adjusted carburetor - Carburetor needs to be adjusted correctly or cleaned |
| Air filter is blocked - Clean or replace air filter |
| Clogged or defective fuel pump - Test fuel pump and replace if necessary |
| Ignition system failure - Check ignition system and replace faulty parts |
| Worn cylinder head gasket - Replace the head gasket |
| Valves are stuck or burned - Clean or change valves |
| Push rod is damaged or worn - Change push rod |
| Cylinder block parts are damaged - Change defective parts |
| Engine using too much gasoline |
| Throttle opening is not full - Adjust or change throttle cable |
| Improper adjustment of carburetor main jet - Adjust the carburetor main jet correctly |
| Loose or defective spark plug - Tighten or replace spark plug |
| Valves are stuck, worn, or burned - Replace or clean valves |
| Worn rings, piston, or sleeve - Replace faulty components |
| Valve clearance is not correct - Adjustment procedure required |
| Excessive engine oil consumption |
| Damaged gaskets or seals - To repair leaks, replace worn parts |
| Valve guides or stems are damaged - Install new valves |
| Piston rings are seized or worn - Replace piston rings |
| Piston or cylinder liner is worn - Check piston and liner, change as required |
| Plugged breather hose or pipe - Clean or change |
| Hydrostatic Transmission Troubleshooting |
| Excessive hydrostatic transmission noise |
| Bent or unadjusted speed control pedal linkage - Adjust or install new linkage |
| Transmission overload - The load should be reduced |
| Oil is dirty or oil level is too low - Change transmission oil or top up to proper level |
| Transmission parts are worm or defective - Change or repair defective parts |
| Shift linkage is loose or broken - Service or change the linkage |
| Worn or seized hydrostatic pump - Replace or repair pump |
| Damaged or unadjusted transmission shift control components - Adjust properly or change |
| Transmission oil level is low - Fill up the transmission oil |
| Drive sheave is damaged or worn - Replace sheave |
| Broken or not adjusted shift linkage - Adjust properly or replace linkage |
| Worn or unadjusted speed control linkage - Repair or adjust linkage |
| Transmission gaskets or seals are worn - Replace seals or gaskets |
| Final drive shaft leakage - Replace shaft seals |
| Transmission case is cracked - Replace case or transmission assembly |
| Mower Deck Troubleshooting |
| Excessive mower vibration |
| Damaged or clogged mower drive pulley - Replace or clean pulley |
| Loose or worn drive belt - Install a new belt or adjust belt tension |
| Warped or not balanced mower blades - Balance or change blades |
| Blade bolts are not tightened well - Tighten it fast |
| Discharge chute keeps clogging |
| High mowing speed - Select a slower speed |
| Long grass - Must be set to low cutting height |
| Reduced engine rpm - Throttle is not fully open |
| Cutting height is too low - Adjust mower to higher cutting height |
| Incorrect mower drive belt installation - Install drive belt as required |
| Discharge chute is plugged - Clean mower deck as required |
| Not sharp blades - Sharpen the blades |
| Worn or defective blades - Change the blades |
| High mowing speed - Need to slow down |
| Mower cuts too low - Change cutting height adjustment |
| Full grass bag - Empty the grass bag |
| Bumpy or unleveled lawn - Lawn leveling required |
| Mower deck cutting height is set too low - Raise the cutting height |
| High mowing speed - Use a lower speed |
| Improper mower deck level - Deck should be adjusted correctly |
| Damaged or bent blades - Blades must be changed |
| Low tire inflation - Correct tire pressure |
| Tire pressure is too low - Correct tire pressure |
| Deck is not leveled correctly - Deck needs to be adjusted properly |
| Excessive blade dullness - Need to sharpen the blades |
| Bent or worn blades - Blades need to be replaced |
| Discharge area is clogged - Check cutting deck and clean as necessary |
| Damaged mower deck housing - Replace or rebuild mower deck |
| Mower spindle is faulty or loose - Repair or change the spindle |
| Electrical Troubleshooting |
| Battery is not charging |
| Loose or corroded cable connections - Tighten or clean connections |
| Faulty battery terminal clamps - Terminal clamps need to be replaced |
| Battery is defective - Battery replacement required |
| Low battery capacity - Recharge the battery |
| Battery will not hold charge - Service or replace the battery |
| Disconnected battery cables or bad terminals - Check cables and service or change terminals |
| Battery is discharged or worn - Need to charge or replace the battery |
| Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required |
| Battery capacity is low - Battery is drained, charge it |
| Spark plug worn or incorrectly gapped - Clean, gap or replace spark plug |
| Starter motor or solenoid failing - Starter/solenoid should be replaced |
________________________________________________________________________________________
________________________________________________________________________________________
| Lawn and Garden Tractors Technical Specs |
