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Husqvarna GTH52XLS Lawn Tractor

The Husqvarna GTH52XLS garden tractor was manufactured from 2013 to 2018. The Husqvarna GTH52XLS is powered by 44.3 cu.in (726 cc) Kawasaki FR730V 4-cycle vertical-shaft V-twin cylinder air-cooled gasoline engine with max output power of 24 hp (18 kW), or 44.2 cu.in (724 cc) Briggs and Stratton 44N877 4-cycle vertical-shaft V-twin cylinder air-cooled gasoline engine with maximum power of 24 hp (18 kW).

The Husqvarna GTH52XLS is fitted with 2 types of transmission. 1st type: Hydro-Gear G7 belt-driven hydrostatic transmission with infinite forward and reverse gears. 2nd type: Tuff Torq K66 ELD transmission with foot-controlled variable speed drive. Max. travel speed (forward/reverse): 7.8 mph (12.6 km/h) and 2.4 mph (3.8 km/h). The Husqvarna GTH52XLS was equipped with a manual steering system, disc brakes, 16x6.50-8 front tires, and 23x10.50-12 rear tires. The wheelbase is 48 in (1210 mm).

The garden tractor is compatible with a 52" mid-mount 3-blade side discharge mower deck with cutting height of 1.5-4.0 in (38-102 mm), 7 cut positions, electric blade engagement, and mechanical lift system.

Engine Troubleshooting
Engine will not start or starts up hard
Fuel tank is empty - Fill it up
Low-quality gasoline - Change gasoline
Air or water in fuel system - Remove water or air from fuel system
Defective wiring connection of spark plug - Inspect the spark plug wire connection, replace or repair
Spark plug is damaged - Change spark plug
Dirty fuel filter - Install new filter
Faulty safety switch - Change damaged switch
Carburetor is not adjusted - Check carburetor float adjustment
Poor compression - Inspect and replace wear parts
Improperly adjusted or worn throttle cable - Adjust properly or replace the cable
Unstable engine running
Air intake grill is clogged - Need to clean or wash
Defective ignition system - Check ignition and replace faulty components
Stuck or faulty throttle cable - Service or replace the cable
Air filter element is plugged - Clean or change air filter
Clogged or damaged fuel pump - Test fuel pump and change if necessary
Engine starts and then shuts off
Damaged spark plug - Install new spark plug
Clogged or faulty carburetor - Service or repair carburetor
Faulty ignition coil - Ignition coil should be replaced
Bad or broken valve springs - New valve springs need to be installed
Valves are stuck - Valves need to be cleaned
Engine overheating
Lack of engine oil - Need to add engine oil
Engine is running overloaded - Reduce engine load
Air intake screen is blocked - Clean and wash as required
Carburetor fuel mixture is too lean - Adjust carburetor correctly
Ignition timing is wrong - Adjust ignition timing correctly
Valve setting is wrong - Adjust valves as required
Engine knocking or noise
Stale gasoline - Change fuel
Excessive engine load - Load reducing required
Engine oil level low - Checking oil level and add if necessary
Too low idle RPM - Correct idle adjustment
Fuel pump is damaged or dirty - Check fuel pump and replace if necessary
Worn crankshaft or main bearings - Change or repair worn components
Valve clearance is not correct - Adjust valve clearance
Worn piston rings or cylinder bore - Replace faulty components
Engine power loss
Carburetor is dirty or incorrectly adjusted - Service or correctly adjust carburetor
Clogged air filter - Replace or clean air filter
Clogged or damaged fuel pump - Clean or change fuel pump
Ignition system is defective - Inspect ignition system and change failed components
Worn cylinder head gasket - Replace the head gasket
Burned or stuck valves - Service or change valves
Push rod is damaged or worn - Push rod needs to be changed
Cylinder block components are damaged - Change defective parts
Engine using too much gasoline
Choke opening is not full - Replace or adjust choke cable
Carburetor main jet adjustment is improper - Adjust main jet as required
Spark plug is loose or faulty - Replace or tighten spark plug
Stuck, burned, or worn valves - Service or replace valves
Worn rings, piston, or sleeve - Change faulty components
Valve clearance is incorrect - Adjust valve clearance
Engine consuming too much oil
Gaskets or seals can be faulty - Replace worn parts to avoid leaks
Damaged valve guides or valve stems - Change the valves
Piston rings are stuck or worn - Have piston rings replaced
Scuffed piston or cylinder liner - Check piston and liner, change as required
Clogged breather pipe or hose - Replace or clean

Hydrostatic Transmission Troubleshooting
Excessive hydrostatic transmission noise
Worn or unadjusted speed control linkage - Adjust or replace linkage
Excessive loading - Reduce the load is required
Oil is dirty or oil level is too low - Change transmission oil or top up to proper level
Worn or defective transmission components - Change or repair defective parts
Difficult to shift
Shift linkage is worn or rusty - Replace or lubricate the linkage
Hydrostatic pump is seized or faulty - Repair or change pump
Damaged or unadjusted transmission shift control components - Adjust properly or change
Power is too low
Transmission oil insufficient - Add oil to the transmission housing
Drive sheave is damaged or worn - Change sheave
Shifting linkage is misadjusted or broken - Adjust properly or change linkage
Speed control linkage is defective or unadjusted - Adjust or repair linkage
Transmission leakage
Damaged transmission seals or gaskets - Install new seals or gaskets
Final drive shaft is leaking - Replace shaft seals
Cracked transmission housing - Replace housing or transmission assembly

Mower Deck Troubleshooting
Mower vibration is excessive
Worn or dirty mower drive pulley - Clean or change pulley
Loose or worn drive belt - Adjust belt tension or replace belt
Cutting blades are not balanced or warped - Change or balance blades
Loose blade mounting bolts - Tighten it fast
Constant clogging of discharge chute
High mowing speed - Use a slower speed
Grass is too high - Must be set to low cutting height
Engine rpm is too low - Open choke fully
Mower cuts too low - Use correct cutting height
Drive belt installed improperly - Install drive belt correctly
Streaking of uncut grass
Mower deck is clogged - Clean out the mower deck
Excessive blade dullness - Blades need to be sharpened
Worn or damaged blades - Blades must be changed
Mowing speed is too high - Need to slow down
Cutting level is too low - Change cutting height adjustment
Bagger is overfilled - Empty the bagger
Blades scalp the grass
Bumpy or not smooth lawn - Lawn leveling required
Mower cuts too low - Change cutting height adjustment
Ground speed is too fast - Use a slower speed
Deck is not leveled correctly - Level the deck correctly
Bent or worn blades - Blades need to be replaced
Tire pressure is too low - Inflate tires correctly
Mower cutting is uneven
Incorrect tire pressure - Inflate tires as required
Mower deck is not leveled properly - Level the deck correctly
Blades are not sharp - Blades need to be sharpened
Worn or defective blades - Blades must be changed
Discharge area is clogged - Clean out the mower deck
Deck housing is broken - Rebuild or change mower deck
Bent or loose mower spindle - Repair or change the spindle

Electrical Troubleshooting
Battery will not charge
Electrical cable connections are loose or corroded - Tighten or clean electrical wiring connections
Battery terminal clamps are defective - Terminal clamps should be changed
Faulty cell in battery - Install a new battery
Starter cranks slow
Battery power is low - Battery is drained, charge it
Battery is draining quickly - Service or change the battery
Terminals are faulty or battery cables are disconnected - Connect cables correctly or replace terminals
Starter motor won't turn
Battery is discharged or defective - Need to charge or replace the battery
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required
Battery voltage is low - Battery is drained, recharge it
Spark plug dirty or improperly gapped - Clean, gap or replace spark plug
Solenoid or starter motor failure - Repair starter or replace solenoid



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