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Husqvarna LTH 130 Troubleshooting

The Husqvarna LTH 130 lawn tractor was manufactured by AYP built from 1996 to 1999. The Husqvarna LTH 130 tractor is powered by 26 cubic inches (426 cc) Kohler Command CV15S 4-cycle vertical shaft 1-cylinder gasoline engine with a rated power of 13 Hp (9.8 kW).

The engine has a float fixed main jet carburetor, full pressure lubrication, diaphragm type mechanical pump, and electronic magneto ignition. The tractor is fitted with a Hydro-Gear belt-driven hydrostatic transmission with infinite forward and reverse gears.

The maximum forward speed - 5.5 mph (8.8 km/h), maximum reverse speed - 2.4 mph (3.8 km/h). The Husqvarna LTH130 is equipped with a manual steering system, disc brakes, 15x6.00-6 front tires, and 18x8.50-8 rear tires. The lawn 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 is not starting or hard starting
Empty fuel tank - Fill it up
Low-quality gasoline - Change fuel
Air in the fuel lines - Bleed the fuel lines
Spark plug wire is disconnected or loose - Check spark plug wiring connection, repair or change
Spark plug is defective - Spark plug need to be replaced
Dirty fuel filter - Install new filter
Brake pedal not depressed - Press the brake pedal
Carburetor not adjusted - Adjust according to instructions
Bad engine compression - Inspect cylinder block and replace worn components
Damaged or incorrectly adjusted choke cable - Change cable or adjust properly
Engine runs irregularly
Plugged cooling fins - Need to clean or wash
Ignition system failure - Test ignition and replace failed parts
Stuck or defective throttle cable - Change or service the cable
Air filter is dirty - Change or clean air filter
Clogged or defective fuel pump - Check fuel pump and replace if necessary
Engine stops after starting
Spark plug is damaged - Change spark plug
Dirty or defective carburetor - Clean or install new carburetor
Defective ignition coil - Replace ignition coil as necessary
Broken or loose valve springs - Replace valve springs
Valves sticking - Valves must be cleaned
Engine overheats
Low engine oil level - Fill the crankcase with engine oil
Engine is under excessive load - Load reducing required
Cooling fins are plugged - Wash or clean as required
Carburetor is running lean - Adjust carburetor correctly
Improper ignition timing - Set the ignition timing properly
Valve setting is incorrect - Valves needs to be set correctly
Abnormal engine knocking or noise
Low octane gasoline - Change gasoline
Engine is running overloaded - Load reducing required
Engine oil insufficient - Fill up the engine oil
Incorrect low idle setting - Correct idle adjustment
Fuel pump is dirty or defective - Check fuel pump and change if required
Main bearings or crankshaft failure - Install new parts as as required
Valve clearance is not correct - Check and adjust
Piston rings or cylinder bore are damaged - Replace defective parts
Lack of engine power
Incorrectly adjusted or dirty carburetor - Service or correctly adjust carburetor
Air filter is blocked - Service or change air filter
Fuel pump is damaged or dirty - Clean or replace fuel pump
Ignition failure - Check ignition and replace faulty components
Worn cylinder head gasket - Change cylinder head gasket
Stuck or burned valves - Replace or service valves
Push rod is worn or damaged - Push rod needs to be changed
Cylinder block parts are damaged - Defective parts need to be replaced
Engine uses too much fuel
Choke did not open fully - Change or adjust choke cable
Incorrect carburetor main jet adjustment - Adjust the carburetor main jet properly
Spark plug is faulty or loose - Spark plug need to be replaced or tightened
Valves are stuck, worn, or burned - Service or replace valves
Worn rings, piston, or sleeve - Change defective components
Incorrect valve clearance - Adjust to proper valve clearance
Excessive oil consumption
Seals or gaskets are defective - New components need to be installed
Valve guides or stems are damaged - Valves need to be changed
Piston rings are stuck or worn - Replace piston rings
Scuffed cylinder liner or piston - Check liner and piston, install new components as required
Clogged breather pipe or hose - Clean or change

Hydrostatic Transmission Troubleshooting
Hydrostatic transmission noises
Defective or not adjusted speed control pedal linkage - Adjust or repair linkage
Transmission overload - The load should be reduced
Oil is dirty or oil level is too low - Fill to required level or change the transmission oil
Transmission parts are worm or defective - After disassembling and inspection, change defective components
Shifting is hard
Shift linkage is stuck or damaged - Clean or change linkage
Hydrostatic pump is worn or stuck - Replace or repair pump
Misadjusted or faulty transmission shift control components - Replace or adjust as required
Low power
Transmission fluid level is low - Need to add transmission fluid
Drive pulley is defective or worn - Replace pulley
Unadjusted or broken shift linkage - Adjust correctly or replace linkage
Worn or unadjusted speed control linkage - Adjust or repair linkage
Transmission leaks
Damaged transmission seals or gaskets - Install new gaskets or seals
Leaking final drive shaft - Install new shaft seals
Cracked transmission case - Replace case or transmission assembly

Mower Deck Troubleshooting
Excessive mower vibration
Worn or dirty mower drive pulley - Service or replace pulley
Drive belt is defective or loose - Install a new belt or adjust belt tension
Unbalanced or warped cutting blades - Change or balance blades
Blade mounting bolts are loose - Tighten bolts as required
Discharge chute is constantly plugged
Fast ground speed - Operate at slower speed
Tall grass - Must be set to low cutting height
Reduced engine rpm - Adjust throttle to full opening
Cutting level is too low - Need to set high cutting height
Improper drive belt installation - Drive belt must be installed correctly
Mower leaving random uncut of grass
Cutting deck clogging - Clean out the mower deck
Excessive blade dullness - Blades need to be sharpened
Blades are worn or damaged - Install new blades
Fast ground speed - Select a lower speed
Cutting height is too low - Change cutting height adjustment
Grass bag is full - Remove grass from bag
Blade scalped grass
Bumpy or not smooth lawn - Roll or level the lawn
Mower cuts too low - Use correct cutting height
Fast ground speed - Need to slow down
Incorrect level of mower deck - Deck should be adjusted correctly
Damaged or bent blades - Install new blades
Tire pressure is too low - Inflate tires as required
Uneven cutting
Incorrect tire pressure - Inflate tires as required
Improperly leveled mower deck - Level the deck correctly
Blades are excessively dull - Need a blade sharpening
Worn or bent blades - Blades need to be replaced
Mower deck is clogged - Need to clean the mower deck
Damaged mower deck shell - Rebuild or replace mower deck
Mower spindle is loose or defective - Install new spindle or repair it

Electrical Troubleshooting
Battery does not charge
Electrical wire connections are loose or corroded - Tighten or clean electrical wiring connections
Battery terminal clamps are faulty - Terminal clamps should be changed
Worn-out battery - Install a new battery
Starter cranks slowly
Battery capacity is low - Battery needs to be recharged
Battery will not hold charge - Service charging system or change battery
Wires are disconnected or battery terminals are corroded - Connect wires correctly or change terminals
Starter does not work
Battery is discharged or defective - Need to charge or replace the battery
Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required
Low battery capacity - Battery needs to be recharged
Incorrectly gapped or worn spark plug - Clean, gap or change spark plug
Starter motor or solenoid failing - Repair starter or replace solenoid



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