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Husqvarna TS 354D Troubleshooting

The Husqvarna TS 354D 2WD garden tractor was manufactured between 2017 and 2022. The Husqvarna TS354D driveline consists of Kohler KT740 7000 Series 4-cycle OHV twin-cylinder air-cooled gasoline engine and Tuff Torq K66 ELD belt-driven hydrostatic transmission with infinite forward and reverse gears.

A 44.2 cubic inches (725 cc) engine has a cylinder bore of 3.27" (83 mm), piston stroke of 2.64" (67 mm), and rated power of 25 hp (18.6 kW). The fuel system has a fixed main jet carburetor and pulse type fuel pump. The maximum forward speed - 5.3 mph (8.5 kph), maximum reverse speed - 2.8 mph (4.5 kph).

The Husqvarna TS 354D garden tractor is equipped with a manual steering, pneumatic wheels, 16x6.50-8 front tires, and 23x10.5-12 rear tires. Compatible attachments for the tractor: 54" mid-mount 3-blade rear discharge mower deck with cutting height of 1.5-4.0 in (38-101 mm), electric blade engagement, 7 cut positions, and mechanical lifting system with hand operated.

Engine Troubleshooting
Engine hard starting or not starting
Gas tank is empty - Fill gasoline up
Incorrect fuel grade - Use quality fuel
Air in the fuel system - Air bleeding
Damaged spark plug wiring connection - Check spark plug wiring connection, repair or change
Spark plug is faulty - Spark plug need to be replaced
Fuel filter is clogged - Install new filter
Defective safety switch - Replace if required
Carburetor incorrectly set - Set carb correctly
Low engine compression - Inspect cylinder block and change defective components
Improperly adjusted or worn throttle cable - Replace cable or adjust correctly
Engine runs roughly
Air intake screen is blocked - Wash or clean as required
Ignition system failure - Check ignition and replace faulty components
Stuck or faulty throttle cable - Clean or replace the cable
Clogged air filter - Service or replace air filter
Clogged or defective fuel pump - Clean or install new fuel pump
Engine starts and stops immediately
Spark plug is defective - Change spark plug as required
Faulty or clogged carburetor - Service or replace carburetor
Defective ignition coil - Ignition coil should be replaced
Valve springs are broken or bad - Change valve springs
Valves are stuck - Valves need to be cleaned
Engine is overheated
Not enough engine oil - Fill the crankcase with engine oil
Engine overload - Reduce engine load
Clogged cooling fins - Wash or clean as required
Carburetor mixture is too lean - Set the carburetor properly
Improper ignition timing - Adjust ignition timing as required
Incorrect valve setting - Set the valves properly
Abnormal engine noise or knocking
Stale or low octane fuel - Change gasoline
Engine is overloaded - Load reducing is recommended
Engine oil level low - Check and refill engine oil
Low idle speed set incorrectly - Adjust idle speed
Fuel pump is clogged or faulty - Service or change fuel pump
Main bearings or crankshaft wear - Change or repair worn components
Valve clearance is incorrect - Adjust to proper valve clearance
Cylinder bore or piston rings are damaged - Replace faulty parts
Lack of engine power
Dirty or incorrectly adjusted carburetor - Clean or properly adjust carburetor
Air filter element is clogged - Change or service air filter
Fuel pump is dirty or defective - Test fuel pump and change if necessary
Ignition system problems - Check ignition and replace faulty components
Cylinder head gasket is damaged - Replace cylinder head gasket
Valves are burned or stuck - Service or replace valves
Bent or worn push rod - Push rod should be replaced
Cylinder block components are faulty - Change defective parts
Engine using too much gasoline
Choke didn't open fully - Adjust or change choke cable
Carburetor main jet is improperly adjusted - Adjust it correctly
Loose or faulty spark plug - Re-tighten or change the spark plug
Valves are stuck, burned, or worn - Replace or clean valves
Rings, sleeve, or piston are damaged - Change faulty components
Valve clearance is incorrect - Adjustment procedure required
Excessive engine oil consumption
Seals or gaskets are defective - To repair leaks, replace worn parts
Valve stems and guides are worn - Replace defective valves
Seized or wear piston rings - Install new piston rings
Cylinder liner or piston is worn - Inspect piston and liner, replace as required
Breather pipe or hose is plugged - Clean or change

Hydrostatic Transmission Troubleshooting
Hydrostatic transmission is excessively noisy
Speed control pedal linkage is bent or not adjusted - Adjust or repair linkage
Transmission overloaded - Reduce loading
Transmission fluid is dirty or fluid level is too low - Pour fresh fluid or add transmission fluid to proper level
Worn or defective transmission components - Change or repair defective parts
Hard shifting
Stuck or worn shift linkage - Linkage need to be replaced
Defective or stuck hydrostatic pump - Change or repair pump
Transmission shift control components are defective or misadjusted - Change or adjust correctly
Power is too low
Insufficient transmission oil - Need to add transmission oil
Faulty or worn drive sheave - Install a new sheave
Unadjusted or broken shift linkage - Adjust properly or change linkage
Speed control pedal linkage is damaged or out of adjustment - Replace or adjust linkage
Transmission leakage
Transmission seals or gaskets are broken - Replace gaskets or seals
Final drive shaft leakage - Replace shaft seals
Transmission case is cracked - Replace defective case or transmission assembly

Mower Deck Troubleshooting
Mower vibration is excessive
Worn or dirty mower drive pulley - Replace or clean pulley
Defective or loose drive belt - Install a new belt or adjust belt tension
Mower blades are not balanced or warped - Replace or balance blades
Loose blade bolts tightening - Bolts should be tightened
Constant clogging of discharge chute
High ground speed - Need to slow down
Grass is too high - Must be set to low cutting height
Reduced engine rpm - Open throttle fully
Cutting level is too low - Use a higher cutting height
Incorrect mower drive belt installation - Check drive belt for correct installation
Grass patches are not cut
Discharge area is clogged - Inspect and clean cutting deck
Not sharp blades - Need a blade sharpening
Blades are defective or worn - Blades need to be replaced
Fast mowing speed - Select a lower speed
Mower deck set to low cutting - Use a higher cutting height
Bagger is overfilled - Bagger must be empty
Blades are scalping the grass
Bumpy or not smooth lawn - Lawn leveling required
Cutting level is too low - Need to set high cutting height
High ground speed - Operate at slower speed
Incorrectly leveled mower deck - Deck should be adjusted correctly
Blades are worn or bent - Replace the blades
Tires are not properly inflated - Check and inflate the tires
Mower cuts uneven
Low tire pressure - Inflate tires correctly
Deck is not leveled correctly - Level the deck properly
Not sharp blades - Blades need to be sharpened
Worn or defective blades - Blades need to be replaced
Deck is plugged with grass - Clean out the mower deck
Deck housing is damaged - Repair or change the deck
Mower spindle is bent or loose - Repair or replace the spindle

Electrical Troubleshooting
Battery will not charge
Wiring connections are corroded or loose - Tighten or service connections
Defective battery terminal connectors - Terminal connectors should be replaced
Battery bad cell - Battery replacement required
Starter cranks slowly
Battery voltage is low - Recharge the battery
Battery runs out quickly - Service charging system or replace battery
Terminals are faulty or battery cables are disconnected - Connect wiring properly or install new terminals
Starter will not crank
Battery is drained or worn - Recharge or change battery
Wiring is improperly connected or disconnected - Check wiring and connect properly
Battery power is low - Battery is drained, charge it
Spark plug worn or incorrectly gapped - Clean, gap or replace spark plug
Starter motor or solenoid is damaged - Repair starter or install a new solenoid



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