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Husqvarna TS346 Troubleshooting
The
Husqvarna TS346 garden tractor was manufactured between 2014 to 2019. The
Husqvarna TS 346 driveline consists of a 44.2 cubic inches (724 cc) Briggs and
Stratton 44S677 4-cycle vertical-shaft V-twin OHV air-cooled gasoline engine
with a maximum power of 22 hp (16.4 kW), or 44.2 cubic inches (724 cc) Briggs
and Stratton 44U677 4-cycle vertical-shaft V-twin OHV air-cooled gasoline engine
with a maximum power of 22 hp (16.4 kW), and Tuff Torq K57R belt-driven
hydrostatic transmission with infinite forward and reverse gears.
The maximum forward speed - 6.6 mph (10.5 kph), maximum reverse speed -
2.8 mph (4.5 kph). The Husqvarna TS 346 lawn tractor is equipped with a
manual steering, internal wet disc brakes, 15x6.00-6 front tires, and
20x10.00-8 rear tires. Compatible attachments for the tractor: 46"
mid-mount 2-blade side discharge mower deck with cutting height of
1.5-4.0 in (38-102 mm), electric blade engagement, six cut positions,
two anti-scalp wheels, and mechanical lifting system.
| Engine Troubleshooting |
| Engine doesn't start or difficult to start |
| Fuel tank is empty - Fill it up |
| Wrong grade of gasoline - Change gasoline |
| Dirty fuel lines - Inspect and clean |
| Defective spark plug wire connection - Check spark plug wiring connection, repair or change |
| Defective spark plug - Change spark plug |
| Fuel filter is clogged - Fuel filter needs changing |
| Safety contact for brake pedal defective - Install new part |
| Carburetor is not working properly - Inspect and adjust |
| Bad compression - Check and change damaged parts |
| Worn or unadjusted choke cable - Change cable or adjust properly |
| Cooling fins are clogged - Wash or clean as required |
| Ignition system is defective - Check ignition system and replace faulty parts |
| Throttle cable is stuck or faulty - Replace or service the cable |
| Dirty air filter element - Service or replace air filter |
| Clogged or defective fuel pump - Test fuel pump and replace if necessary |
| Engine starts and stops suddenly |
| Spark plug is damaged - Replace spark plug |
| Clogged or faulty carburetor - Service or change carburetor |
| Ignition coil is not working - Ignition coil should be replaced |
| Loose or broken valve springs - New valve springs need to be installed |
| Valves are stuck - Clean the valves |
| Engine oil level is low - Add oil to the engine crankcase |
| Engine is overloaded - Reduce load |
| Clogged cooling fins - Wash or clean as required |
| Too lean carburetor mixture - Make the correct settings |
| Ignition timing is improper - Set the ignition timing properly |
| Wrong valve setting - Valves needs to be adjusted properly |
| Engine knocking sound or abnormal noise |
| Stale gasoline - Change fuel |
| Engine overloaded - Load reducing required |
| Engine oil insufficient - Fill up the oil to required level |
| Low idle speed setting is not correct - Adjust as required |
| Clogged or defective fuel pump - Check fuel pump and replace if necessary |
| Crankshaft or main bearings failure - Worn parts replacement required |
| Valve clearance is improper - Adjust to proper valve clearance |
| Damaged piston rings or cylinder bore - Replace defective components |
| Engine power is insufficient |
| Carburetor is clogged or incorrectly adjusted - Adjust carburetor properly or service it |
| Dirty air filter element - Service or replace air filter |
| Clogged or defective fuel pump - Test fuel pump and change if necessary |
| Ignition failure - Test ignition and replace failed parts |
| Defective cylinder head gasket - Cylinder-head gasket replacement required |
| Valves are stuck or burned - Service or change valves |
| Bent or worn push rod - Change push rod |
| Cylinder block components are faulty - Change defective components |
| Throttle did not open fully - Replace or adjust throttle cable |
| Carburetor main jet is incorrectly adjusted - Adjust it correctly |
| Spark plug is loose or defective - Tighten or change the spark plug |
| Stuck, worn, or burned valves - Service or replace valves |
| Sleeve, piston, or rings are damaged - Change faulty parts |
| Valve clearance is wrong - Adjust valve clearance |
| Excessive engine oil consumption |
| Defective seals or gaskets - Change worn parts according to specifications |
| Valve guides and stems are worn - Change the valves |
| Worn or broken piston rings - Install new piston rings |
| Scuffed cylinder liner or piston - Check piston and liner, change as required |
| Blocked breather hose or pipe - Service or change |
| Hydrostatic Transmission Troubleshooting |
| HST transmission noises |
| Worn or unadjusted speed control linkage - Replace or adjust linkage |
| Transmission overload - Load needs to be reduced |
| Insufficient oil level or contaminated oil - Add oil to the correct level or fill the transmission with fresh oil |
| 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 seized or faulty - Repair or change pump |
| Worn or misadjusted transmission shift control parts - Adjust properly or change |
| Low fluid level - Add fluid to the transmission housing |
| Drive pulley is worn or faulty - Install a new pulley |
| Unadjusted or broken shift linkage - Replace or adjust linkage |
| Bent or unadjusted speed control pedal linkage - Adjust or change linkage |
| Worn transmission seals or gaskets - Change seals or gaskets |
| Final drive shaft leaks - Install new shaft seals |
| Transmission case is cracked - Change broken case |
| Mower Deck Troubleshooting |
| Excessive mower vibration |
| Mower deck drive pulley is worn or dirty - Clean or change pulley |
| Drive belt is damaged or loose - Install a new belt or adjust belt tension |
| Not balanced or bent mower blades - Balance or change blades |
| Blade mounting bolts are loose - Tighten it fast |
| Constant clogging of discharge chute |
| High ground speed - Use a slower speed |
| Tall grass - Use a lower cutting height |
| Engine is running at too low speed - Open throttle fully |
| Mower cuts too low - Must be set to high cutting height |
| Drive belt installation is not correct - Drive belt must be installed correctly |
| Lawn mower leaving uncut grass |
| Cutting deck is clogged - Inspect and clean cutting deck |
| Excessive blade dullness - Need to sharpen the blades |
| Damaged or worn blades - Blades need to be replaced |
| High mowing speed - Select a lower speed |
| Low cutting height - Must be set to high cutting height |
| Grass bag is full - Empty the grass bag |
| Blades are scalping the grass |
| Bumpy or unleveled lawn - Lawn needs to be leveled |
| Low cutting height - Must be set to high cutting height |
| High mowing speed - Need to slow down |
| Incorrectly leveled mower deck - Deck needs to be adjusted properly |
| Damaged or bent blades - Change the blades |
| Tires are not correctly inflated - Need to inflate tires |
| Tires are not correctly inflated - Check and inflate the tires |
| Incorrect level of mower deck - Adjust the level of mower deck correctly |
| Blades are too dull - Need a blade sharpening |
| Damaged or worn blades - Blades must be changed |
| Discharge chute is plugged - Inspect and clean cutting deck |
| Deck shell is damaged - Replace or repair the deck |
| Mower spindle is loose or defective - Repair or change the spindle |
| Electrical Troubleshooting |
| Battery does not charge |
| Wiring connections are corroded or loose - Service or tighten cable connections |
| Defective battery terminal clamps - Terminal clamps should be changed |
| Worn-out battery - Change the battery |
| Low battery power - Battery is drained, recharge it |
| Battery is draining quickly - Service charging system or change battery |
| Bad battery terminals or disconnected wiring - Connect wiring correctly or install new terminals |
| Battery is drained or defective - Charge or replace the battery |
| Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required |
| Battery capacity is low - Low battery charging, charge as required |
| Incorrectly gapped or worn spark plug - Clean, gap or replace spark plug |
| Starter motor or solenoid failing - Replace solenoid or repair starter |
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| Lawn and Garden Tractors Technical Specs |
