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Husqvarna TC 142T Troubleshooting
The
Husqvarna TC 142T is a 2-wheel drive lawn tractor. This model was manufactured
from 2016 to 2020. The Husqvarna TC142T drivetrain system components: Briggs and
Stratton 40N777 Intek 4-cycle V-twin cylinder OHV air-cooled gasoline engine and
Tuff Torq K46 DF belt-driven hydrostatic transmission with infinite forward and
reverse gears.
A 40.1 cu.in (656 cc) engine has a cylinder bore of 2.97" (75 mm),
piston stroke of 2.89" (73 mm), and rated power of 20 hp (14.8 kW). The
maximum travel speed (forward/reverse): 5.2 mph (8.4 km/h) and 2.9 mph
(4.6 km/h).
The Husqvarna TC 142T lawn mower is equipped with a manual steering
system, pneumatic wheels, 15x6.00-6 front tires, and 18x8.50-8 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 (38-101 mm),
central cutting height adjustment with spring-assisted, two anti-scalp
wheels, and mechanical lifting system.
| Engine Troubleshooting |
| Engine won't start or difficult to start |
| Empty fuel tank - Add fuel |
| Low-quality gasoline - Change gasoline |
| Air in fuel tank - Bleed fuel tank |
| Spark plug wire connection are damaged - Check spark plug wiring connection, repair or change |
| Damaged spark plug - Install new spark plug |
| Plugged fuel filter - Install new filter |
| Defective safety switch - Replace if required |
| Carburetor not adjusted - Adjust according to instructions |
| Low cylinder compression - Check cylinder block and replace worn parts |
| Throttle cable is adjusted improperly or worn - Adjust properly or replace the cable |
| Plugged cooling fins - Wash or clean as required |
| Defective ignition system - Inspect ignition system and change failed components |
| Stuck or defective choke cable - Clean or change the cable |
| Dirty air filter element - Service or change air filter |
| Clogged or defective fuel pump - Clean or install new fuel pump |
| Engine starts and stalls suddenly |
| Spark plug is damaged - Change spark plug as required |
| Defective or clogged carburetor - Replace or service carburetor |
| Faulty ignition coil - Replace ignition coil as necessary |
| Loose or worn valve springs - New valve springs need to be installed |
| Stuck valves - Clean the valves |
| Lack of engine oil - Fill up the engine oil |
| Engine overloaded - Reduce engine load |
| Air intake grill is clogged - Wash or clean as required |
| Carburetor mixture is too lean - Adjust carburetor correctly |
| Ignition timing is wrong - Set the ignition timing correctly |
| Valve setting is incorrect - Set the valves correctly |
| Stale gasoline - Change gasoline |
| Engine is overloaded - Reduce the load |
| Engine oil insufficient - Checking oil level and add if necessary |
| Incorrectly adjusted low idle speed - Correct idle adjustment |
| Fuel pump is dirty or defective - Clean or replace fuel pump |
| Crankshaft or main bearings are worn out - Repair or replace defective parts |
| Valve clearance is incorrect - Need to adjust valve clearance |
| Damaged piston rings or cylinder bore - Replace faulty parts |
| Engine power is insufficient |
| Carburetor is improperly adjusted or clogged - Clean or correctly adjust carburetor |
| Air filter element is plugged - Replace or clean air filter |
| Fuel pump is damaged or dirty - Service or replace fuel pump |
| Ignition failure - Test ignition and replace failed parts |
| Cylinder head gasket is damaged - Replace cylinder head gasket |
| Stuck or burned valves - Service or replace valves |
| Worn or defective push rod - Install a new push rod |
| Damaged cylinder block components - Defective components need to be replaced |
| Choke doesn't open well - Adjust or replace choke cable |
| Incorrect carburetor main jet adjustment - Adjust the carburetor main jet correctly |
| Loose or faulty spark plug - Replace or tighten spark plug |
| Valves are stuck, worn, or burned - Change or service valves |
| Worn sleeve, piston, or rings - Replace defective components as required |
| Improper valve clearance - Adjustment procedure required |
| Engine oil consumption is too high |
| Worn gaskets or seals - Install new components |
| Valve stems and guides are worn - Valves replacement required |
| Stuck or defective piston rings - Replace piston rings |
| Scored cylinder liner or piston - Check liner and piston, install new components as required |
| Breather hose or pipe is blocked - Clean or change |
| Hydrostatic Transmission Troubleshooting |
| HST transmission makes excessive noise |
| Speed control linkage is worn or unadjusted - Adjust or install new linkage |
| Excessive transmission load - The load should be reduced |
| Low transmission oil level or contaminated oil - Change transmission oil or top up to proper level |
| Worn or defective parts of the hydrostatic transmission - Check hydrostatic transmission components for defect or damage and change if necessary |
| Shift linkage is rusty or worn - Lubricate or replace the linkage |
| Hydrostatic pump is stuck or worn - Change or repair pump |
| Transmission shift control parts are damaged or misadjusted - Adjust properly or change |
| Transmission oil insufficient - Check and refill the transmission oil |
| Worn or faulty drive pulley - Replace pulley |
| Damaged or misadjusted shifter linkage - Adjust correctly or replace linkage |
| Speed control pedal linkage is damaged or out of adjustment - Replace or adjust linkage |
| Worn transmission seals or gaskets - Replace seals or gaskets |
| Final drive shaft leakage - Replace shaft seals |
| Cracked transmission case - Install a new transmission case |
| Mower Deck Troubleshooting |
| Mower vibration is excessive |
| Clogged or damaged mower drive sheave - Clean or change sheave |
| Loose or damaged drive belt - Install a new belt or adjust belt tension |
| Mower blades are unbalanced or bent - Balance or change as needed |
| Blade bolts are not tightened well - Bolts should be tightened |
| Constant clogging of discharge chute |
| Fast mowing speed - Need to slow down |
| Grass is too high - Must be set to low cutting height |
| Engine rpm is too low - Open throttle fully |
| Low cutting height - Use correct cutting height |
| Drive belt installed improperly - Reinstall drive belt properly |
| Deck is plugged with grass - Clean out the mower deck |
| Blades are not sharp - Need a blade sharpening |
| Blades are worn or damaged - Blades must be changed |
| Ground speed is too fast - Select a lower speed |
| Cutting level is too low - Change cutting height adjustment |
| Full grass bag - Empty the grass bag |
| Uneven or bumpy lawn - Lawn leveling required |
| Cutting height is too low - Raise the cutting height |
| Mowing speed is too high - Select a slower speed |
| Incorrectly leveled mower deck - Level the deck properly |
| Damaged or bent blades - Install new blades |
| Low tire inflation - Correct tire pressure |
| Tire pressure is too low - Inflate tires as required |
| Improperly leveled mower deck - Deck should be adjusted correctly |
| Excessive blade dullness - Need to sharpen the blades |
| Blades are worn or damaged - Install new blades |
| Deck clogged with grass clippings - Check cutting deck and clean as necessary |
| Deck shell is broken - Rebuild or replace mower deck |
| Bent or loose mower spindle - Spindle needs to be repaired or replaced |
| Electrical Troubleshooting |
| Battery won’t charge |
| Wiring connections are loose or corroded - Clean or tighten wiring connections |
| Battery terminal clamps are faulty - Terminal clamps need to be replaced |
| Battery faulty cell - Use a new battery |
| Low battery output - Charge the battery |
| Battery won’t hold charge - Service or change the battery |
| Battery cables are disconnected or terminals are faulty - Connect wiring properly or install new terminals |
| Battery is discharged or defective - Charge or change the battery |
| Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required |
| Low battery capacity - Low battery charging, charge as required |
| Faulty or incorrectly gapped spark plug - Clean and gap or replace |
| Starter motor or solenoid is defective - Replace solenoid or repair starter |
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| Lawn and Garden Tractors Technical Specs |
