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Husqvarna TS 342 Troubleshooting

The Husqvarna TS 342 is a 2-wheel drive lawn tractor. This model was manufactured from 2013 to 2019. The Husqvarna TS342 drivetrain system components: Kawasaki FR651V 4-cycle vertical-shaft V-twin air-cooled gasoline engine and Tuff Torq K46 belt-driven hydrostatic transmission with infinite forward and reverse gears.

A 44.3 cu.in (726 cc) engine has a cylinder bore of 3.07" (78 mm), piston stroke of 3.00" (76 mm), and max power of 21.5 hp (16 kW). The maximum travel speed (forward/reverse): 5.5 mph (8.8 km/h) and 2.4 mph (3.9 km/h).

The Husqvarna TS 342 lawn tractor 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 a cutting height of 1.5-4.0 in (38-102 mm), seven cut positions, two anti-scalp wheels, and mechanical lifting system.

Engine Troubleshooting
Engine hard to start or doesn't start
Gas tank is empty - Add fuel
Wrong grade of gasoline - Change gasoline
Air trapped in fuel system - Bleed air
Defective spark plug wire connection - Inspect the spark plug wire connection, replace or repair
Damaged spark plug - Replace spark plug
Fuel filter is plugged - Replace fuel filter
Defective safety switch - Replace if required
Carburetor is dirty - Wash, clean and adjust
Bad compression - Check and change damaged parts
Damaged or not adjusted choke cable - Replace cable or adjust properly
Irregular engine running
Plugged cooling fins - Clean and wash as required
Ignition system is defective - Inspect ignition system and change faulty parts
Stuck or faulty choke cable - Replace or clean the cable
Dirty air filter element - Clean or replace air filter
Clogged or damaged fuel pump - Clean or install new fuel pump
Engine starts but stalls immediately
Spark plug is damaged - Change spark plug
Faulty or clogged carburetor - Service or replace carburetor
Damaged ignition coil - Change ignition coil as required
Bad or damaged valve springs - Valve springs need to be changed
Stuck valves - Valves need to be cleaned
Engine overheated
Engine oil level is insufficient - Check oil level and add oil as required
Engine overload - Load reducing is recommended
Cooling fins are clogged - Need to clean or wash
Too lean carburetor mixture - Use proper settings
Incorrect ignition timing - Ignition timing needs to be adjusted correctly
Incorrect valve setting - Adjust valves correctly
Engine knocks or noises
Low octane fuel - Change gasoline
Engine is under excessive load - Reduce load
Low engine oil level - Need to add engine oil
Incorrectly set low idle speed - Need to adjust idle speed
Clogged or damaged fuel pump - Check fuel pump and change if required
Main bearings or crankshaft wear - Change or repair worn components
Improper valve clearance - Adjust valve clearance
Cylinder bore or piston rings are damaged - Replace faulty parts
Engine power is too low
Clogged or incorrectly adjusted carburetor - Adjust the carburetor correctly or clean it
Dirty air filter element - Change or service air filter
Dirty or defective fuel pump - Service or change fuel pump
Ignition failure - Inspect ignition system and change failed components
Damaged cylinder-head gasket - Cylinder-head gasket replacement required
Stuck or burned valves - Service or replace valves
Worn or defective push rod - Install a new push rod
Damaged cylinder block components - Replace defective parts as required
Engine uses too much fuel
Throttle not fully open - Check throttle cable and adjust as required
Improper carburetor main jet adjustment - Adjust main jet as required
Loose or faulty spark plug - Spark plug need to be tightened or replaced
Stuck, burned, or worn valves - Clean or replace valves
Worn sleeve, piston, or rings - Change faulty components
Improper valve clearance - Need to adjust valve clearance
Engine oil consumption is too high
Seals or gaskets are defective - Defective components must be replaced
Valve stems or guides are damaged - Replace defective valves
Stuck or worn piston rings - Replace piston rings
Cylinder liner or piston is damaged - Check piston and liner, change as required
Breather pipe or hose is clogged - Clean or change

Hydrostatic Transmission Troubleshooting
Excessive HST transmission noise
Defective or not adjusted speed control pedal linkage - Adjust or repair linkage
Excessive loading - The load should be reduced
Transmission oil is contaminated or oil level is insufficient - Change transmission oil or top up to proper level
Transmission parts are worm or defective - After disassembling and inspection, change defective components
Difficult to shift
Shift linkage is corroded or worn - Lubricate or replace linkage
Hydrostatic pump is seized or faulty - Repair or change pump
Misadjusted or faulty transmission shift control components - Change or adjust correctly
Loss of power
Low fluid level - Add fluid to the transmission housing
Faulty or worn drive sheave - Install a new sheave
Misadjusted or faulty shifting linkage - Adjust properly or change linkage
Speed control linkage is defective or unadjusted - Adjust or repair linkage
Transmission leakage
Transmission seals or gaskets are broken - Change gaskets or seals
Final drive shaft leakage - Replace shaft seals
Cracked transmission housing - Replace damage housing or transmission assembly

Mower Deck Troubleshooting
Mower vibrates excessively
Worn or dirty mower drive pulley - Clean or change pulley
Drive belt is loose or defective - Replace belt or adjust belt tension
Cutting blades are not balanced or warped - Balance or replace blades
Loose blade bolts tightening - Bolts should be tightened
Discharge chute is regularly plugged
High mowing speed - Operate at slower speed
Grass is too high - Must be set to low cutting height
Reduced engine rpm - Open choke fully
Mower cuts too low - Use a higher cutting height
Improper drive belt installation - Check drive belt for correct installation
Lawn mower leaving uncut grass
Deck is plugged with grass - Clean out the mower deck
Blades are not sharp - Blades need to be sharpened
Blades are worn or damaged - Replace the blades
High ground speed - Select a slower speed
Cutting level is too low - Need to set high cutting height
Full grass bag - Grass bag must be empty
Blade scalped grass
Lawn is not level or bumpy - Lawn leveling required
Low cutting height - Use correct cutting height
High mowing speed - Need to slow down
Deck level is not correct - Deck needs to be adjusted properly
Blades are worn or bent - Change the blades
Incorrect tire pressure - Inflate tires correctly
Uneven cutting
Low tire pressure - Inflate tires correctly
Improper mower deck level - Level the deck properly
Blades are not sharp - Need to sharpen the blades
Blades are worn or damaged - Blades need to be replaced
Cutting deck clogging - Inspect and clean cutting deck
Damaged mower deck housing - Rebuild or replace mower deck
Bent or loose mower spindle - Repair or change the spindle

Electrical Troubleshooting
Battery won’t charge
Electrical cable connections are corroded or loose - Tighten or clean electrical wiring connections
Defective battery terminal connectors - Change terminal connectors
Battery is defective - Install a new battery
Starter cranks slow
Low battery output voltage - Battery is drained, recharge it
Battery runs out quickly - Battery needs service or replacement
Battery cables are disconnected or terminals are faulty - Connect cables correctly or replace terminals
Starter will not work
Battery is drained or defective - Change or recharge battery
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required
Low battery output - Battery is drained, charge it
Spark plug worn or incorrectly gapped - Clean, gap or change spark plug
Faulty solenoid or starter motor - Repair starter or change solenoid



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