________________________________________________________________________________________
Husqvarna LTH2142DR Troubleshooting
The
Husqvarna LTH2142DR lawn tractor was manufactured from 2011 to 2014. The
Husqvarna LTH2142DR tractor is powered by 32.9 cubic inches (540 cc) Briggs and
Stratton 33M777 4-cycle vertical-shaft single cylinder air-cooled gasoline
engine with a maximum power of 19.5 Hp (14.5 kW).
The engine has a fixed main jet carburetor, full pressure lubrication
with oil filter, cartridge type air cleaner, and electronic ignition
system. The lawn tractor is fitted with Tuff Torq K46 CR belt-driven
hydrostatic transmission with infinite forward and reverse gears.
The maximum forward speed - 5.3 mph (8.4 km/h), maximum reverse speed -
2.5 mph (4.0 km/h). The Husqvarna LTH2142DR is equipped with a manual
steering system, disc brakes, 15x6.00-6 front tires, and 20x10.00-8 rear
tires. The tractor is compatible with a 42" mid-mount 2-blade side
discharge mower deck with cutting height of 1.5-4.0 in (38-102 mm),
manual blade engagement, 6 cut positions, and mechanical lift system.
| Engine Troubleshooting |
| Engine doesn't start or hard to start |
| No fuel in fuel tank - Add fuel |
| Wrong fuel grade - Change fuel |
| Air in the fuel lines - Bleed the fuel lines |
| Damaged spark plug wiring connection - Inspect spark plug wiring connection, change or repair |
| Spark plug is defective - Install new spark plug |
| Fuel filter is plugged - Fuel filter needs to be replaced |
| Brake pedal not pushed down - Push the brake pedal down |
| Carburetor malfunction - Check and repair as required |
| Low engine compression - Inspect cylinder block and change defective components |
| Damaged or incorrectly adjusted choke cable - Adjust properly or replace the cable |
| Cooling fins are clogged - Clean and wash as required |
| Ignition system malfunction - Check ignition and replace faulty components |
| Stuck or faulty choke cable - Change or service the cable |
| Clogged air filter - Replace or clean air filter |
| Fuel pump is faulty or clogged - Test fuel pump and change if necessary |
| Engine stops after starting |
| Spark plug is defective - Spark plug need to be replaced |
| Clogged or defective carburetor - Service or replace carburetor |
| Ignition coil is damaged - Change ignition coil as required |
| Valve springs are broken or bad - New valve springs need to be installed |
| Stuck valves - Clean the valves |
| Engine oil level is low - Check oil level and add oil as required |
| Engine overload - Load reducing required |
| Clogged cooling fins - Clean and wash as required |
| Too lean carburetor mixture - Use proper settings |
| Ignition timing is wrong - Set the ignition timing properly |
| Valve setting is incorrect - Valves needs to be adjusted properly |
| Low octane fuel - Change gasoline |
| Engine is overloaded - Reduce load |
| Low engine oil level - Check oil level and add oil as required |
| Low idle speed setting is incorrect - Adjust as required |
| Fuel pump is clogged or faulty - Test fuel pump and replace if necessary |
| Crankshaft or main bearings are worn out - Replace crankshaft or bearings |
| Incorrect valve clearance - Adjust to proper valve clearance |
| Damaged cylinder bore or piston rings - Change faulty parts |
| Carburetor is improperly adjusted or clogged - Service or correctly adjust carburetor |
| Clogged air filter - Service or replace air filter |
| Clogged or damaged fuel pump - Test fuel pump and change if necessary |
| Ignition system malfunction - Inspect ignition system and change failed components |
| Damaged cylinder-head gasket - Replace the gasket as required |
| Burned or stuck valves - Clean or change valves |
| Push rod is worn or defective - Install a new push rod |
| Cylinder block parts are worn out - Replace defective parts |
| Engine uses too much fuel |
| Choke did not open fully - Change or adjust choke cable |
| Carburetor main jet adjustment is improper - Adjust it properly |
| Faulty or loose spark plug - Re-tighten or replace spark plug |
| Valves are worn, stuck, or burned - Replace or clean valves |
| Rings, sleeve, or piston are damaged - Change faulty parts |
| Valve clearance is incorrect - Adjustment procedure required |
| Engine consuming too much oil |
| Gaskets or seals are excessively worn - Defective components must be replaced |
| Worn valve guides and valve stems - Install new valves |
| Damaged or seized piston rings - Change the piston rings as required |
| Damaged cylinder liner or piston - Check liner and piston, replace as required |
| Blocked breather hose or pipe - Clean or change |
| Hydrostatic Transmission Troubleshooting |
| HST transmission noises |
| Bent or unadjusted speed control pedal linkage - Adjust or change linkage |
| Excessive loading - Reduce loading |
| Oil is dirty or oil level is too low - Add oil to proper level or pour fresh transmission oil |
| Worn or defective parts of the hydrostatic transmission - After disassembling and inspection, change defective components |
| Worn or rusty shift linkage - Install new linkage |
| Hydrostatic pump is stuck or worn - Repair or replace pump |
| Faulty or misadjusted transmission shift control parts - Replace or adjust as required |
| Insufficient transmission oil - Check and refill the transmission oil |
| Drive sheave is worn or faulty - Install a new sheave |
| Misadjusted or faulty shifting linkage - Adjust correctly or change linkage |
| Worn or out of adjustment speed control linkage - Replace or adjust linkage |
| Broken transmission gaskets or seals - Seals and gaskets need to be replaced |
| Leaking final drive shaft - Change shaft seals |
| Cracked transmission case - Replace defective case or transmission assembly |
| Mower Deck Troubleshooting |
| Mower vibrates too much |
| Drive sheave of mower deck is dirty or worn - Replace or service sheave |
| Drive belt is loose or defective - Replace belt or adjust belt tension |
| Mower blades are bent or out of balance - Balance or replace blades |
| Loose blade bolts tightening - Tighten it fast |
| Discharge chute is constantly plugged |
| High mowing speed - Select a slower speed |
| Grass is too high - Use a lower cutting height |
| Reduced engine rpm - Adjust carburetor to higher rpm |
| Cutting level is too low - Adjust mower to higher cutting height |
| Incorrect mower drive belt installation - Install drive belt correctly |
| Grass patches are not cut |
| Cutting deck is clogged - Inspect and clean cutting deck |
| Blades are excessively dull - Sharpen the blades |
| Worn or damaged blades - Blades need to be replaced |
| Ground speed is too fast - Operate at slower speed |
| Cutting height is too low - Need to set high cutting height |
| Filled grass bag - Empty the grass bag |
| Blades are scalping the grass |
| Uneven or bumpy lawn - Roll or level the lawn |
| Mower cuts too low - Adjust mower to higher cutting height |
| Mowing speed is too high - Use a lower speed |
| Improperly leveled mower deck - Adjust the level of mower deck correctly |
| Worn or bent blades - Change the blades |
| Low tire inflation - Need to inflate tires |
| Tires are not correctly inflated - Inflate tires correctly |
| Improper mower deck level - Adjust mower deck level properly |
| Not sharp blades - Sharpen the blades |
| Bent or worn blades - Blades must be changed |
| Clogged mower deck - Clean out the mower deck |
| Deck shell is broken - Repair or replace the deck |
| Mower spindle is bent or loose - Install new spindle or repair it |
| Electrical Troubleshooting |
| Battery will not charge |
| Wiring connections are corroded or loose - Service or tighten cable connections |
| Battery terminal clamps are faulty - Change terminal clamps |
| Battery faulty cell - Use a new battery |
| Low battery capacity - Battery needs to be recharged |
| Battery is draining quickly - Service charging system or replace battery |
| Disconnected cables or faulty battery terminals - Connect cables properly or replace terminals |
| Battery is drained or defective - Replace or charge as required |
| Wire harness is disconnected or incorrectly connected - Check wire harness and connect as required |
| Battery power is low - Recharge the battery |
| Spark plug gapped improperly or faulty - Clean and gap or replace |
| Faulty solenoid or starter motor - Change solenoid or repair starter |
________________________________________________________________________________________
________________________________________________________________________________________
| Lawn and Garden Tractors Technical Specs |
