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Kubota T1760 Troubleshooting
The
Kubota T1760 lawn tractor was manufactured between 1997 and 2001. The components
of Kubota T1760 driveline system: a 26.7 cu.in (437 cc) Kawasaki FD501V 4-cycle
vertical shaft V-twin cylinder gasoline engine with a rated power of 17 Hp (12.7
kW), and hydrostatic transmission with infinite forward and reverse gears.
The engine has a float type carburetor with fixed main jet, diaphragm
type mechanical fuel pump, and full pressure lubrication system. Max
travel speed (forward/reverse): 5.9 mph (9.5 kph) and 3.1 mph (5 kph).
The Kubota T1760 is equipped with a manual steering system, internal
expanding brakes, 15x6.00-6 front tires, and 20x10.00-8 rear tires. The
wheelbase is 47" (1200 mm). The tractor is compatible with a 48"
mid-mount 3-blade Kubota RC48LT mower deck with cutting height of
1.0-4.0" (25-100 mm), 38" front-mount Kubota T2738 snowblower, and 46"
front-mount Kubota T2083 blade.
| Engine Troubleshooting |
| Engine won't start or hard to start |
| Fuel tank is empty - Fill gasoline up |
| Improper fuel grade - Use correct gasoline grade |
| Dirty fuel lines - Inspect and clean |
| Spark plug wire is loose or disconnected - Check spark plug wiring connection, repair or change |
| Defective spark plug - Spark plug need to be replaced |
| Plugged fuel filter - Fuel filter needs changing |
| Faulty safety switch - Change damaged switch |
| Carburetor incorrectly set - Set carb correctly |
| Low engine compression - Inspect cylinder block and change defective components |
| Choke cable is not adjusted properly or worn - Adjust correctly or replace the cable |
| Air intake grill is clogged - Clean and wash as required |
| Ignition system failure - Check ignition system and replace faulty parts |
| Throttle cable is stuck or faulty - Clean or change the cable |
| Air filter is blocked - Clean or replace air filter |
| Clogged or defective fuel pump - Inspect fuel pump and change as required |
| Engine starts and then stalls |
| Defective spark plug - Replace spark plug |
| Carburetor is dirty or faulty - Clean or change carburetor |
| Defective ignition coil - Ignition coil must be replaced |
| Loose or worn valve springs - Install new valve springs |
| Valves are stuck - Clean the valves |
| Engine oil level is low - Check and refill engine oil |
| Engine is overloaded - Load reducing is recommended |
| Cooling fins are plugged - Wash or clean as required |
| Too lean carburetor mixture - Set the carburetor correctly |
| Incorrect ignition timing - Set the ignition timing correctly |
| Incorrect valve setting - Valves needs to be set correctly |
| Low octane gasoline - Use correct gasoline |
| Engine is overloaded - Reduce the load |
| Insufficient engine oil - Fill up the oil to required level |
| Incorrectly set low idle speed - Adjust the low idle speed |
| Dirty or faulty fuel pump - Test fuel pump and replace if necessary |
| Crankshaft or main bearings failure - Need to install new components |
| Valve clearance is improper - Check and adjust |
| Damaged piston rings or cylinder bore - Change defective parts |
| Dirty or improperly adjusted carburetor - Adjust the carburetor properly or clean it |
| Dirty air filter element - Change or clean air filter |
| Fuel pump is dirty or defective - Service or change fuel pump |
| Defective ignition system - Inspect ignition system and change failed components |
| Cylinder head gasket is blown - Install new cylinder head gasket |
| Valves are burned or stuck - Service or replace valves |
| Bent or worn push rod - Push rod needs to be changed |
| Cylinder block parts are damaged - Replace defective components as required |
| Excessive fuel consumption |
| Throttle is not fully open - Change or adjust throttle cable |
| Improper carburetor main jet adjustment - Adjust main jet as required |
| Spark plug is loose or faulty - Spark plug need to be tightened or replaced |
| Valves are stuck, burned, or worn - Change or clean valves |
| Sleeve, rings, or piston are damaged - Replace defective parts |
| Improper valve clearance - Adjust valve clearance |
| Engine consuming too much oil |
| Damaged gaskets or seals - New components need to be installed |
| Damaged valve stems or valve guides - Replace the valves |
| Worn or broken piston rings - Have piston rings replaced |
| Worn cylinder liner or piston - Check liner and piston, replace as required |
| Blocked breather hose or pipe - Service or replace |
| Hydrostatic Transmission Troubleshooting |
| HST transmission noise |
| Speed control pedal linkage is damaged or out of adjustment - Adjust or install new linkage |
| Transmission overloaded - Reduce the load is required |
| Fluid is contaminated or fluid level is insufficient - Pour fresh fluid or add transmission fluid to proper level |
| Transmission components are damaged or worn - After disassembly and inspection, replace faulty components |
| Shift linkage is damaged or loose - Replace or service the linkage |
| Seized or worn hydrostatic pump - Change or repair pump |
| Transmission shift control components are worn or unadjusted - Change or adjust correctly |
| Transmission fluid level is low - Need to add transmission fluid |
| Worn or damaged drive sheave - Change sheave |
| Misadjusted or faulty shifting linkage - Adjust correctly or replace linkage |
| Speed control linkage is defective or unadjusted - Adjust or install new linkage |
| Transmission gaskets or seals are damaged - Replace gaskets or seals |
| Final drive shaft is leaking - Install new shaft seals |
| Transmission case is cracked - Change broken case |
| Mower Deck Troubleshooting |
| Mower vibrates excessively |
| Clogged or damaged mower drive sheave - Replace or clean sheave |
| Drive belt is defective or loose - Adjust belt tension or install a new belt |
| Warped or not balanced mower blades - Balance or change blades |
| Loose blade bolts tightening - Bolts should be tightened |
| Discharge chute is regularly plugged |
| Fast ground speed - Select a lower speed |
| Grass is too high - Must be set to low cutting height |
| Reduced engine rpm - Choke is not fully opening |
| Mower deck set to low cutting - Adjust mower to higher cutting height |
| Mower deck drive belt installed incorrectly - Drive belt must be installed correctly |
| Deck clogged with grass clippings - Check cutting deck and clean as necessary |
| Blades are excessively dull - Blades need to be sharpened |
| Defective or worn blades - Blades need to be replaced |
| Fast mowing speed - Use a slower speed |
| Cutting height is too low - Must be set to high cutting height |
| Bagger is overfilled - Remove grass from bagger |
| Bumpy or unleveled lawn - Lawn needs to be leveled |
| Low cutting height - Use correct cutting height |
| Mowing speed is too high - Select a lower speed |
| Improperly leveled mower deck - Deck needs to be adjusted properly |
| Worn or bent blades - Blades must be changed |
| Low tire pressure - Need to inflate tires |
| Tires are not correctly inflated - Inflate tires as required |
| Deck is not leveled correctly - Deck needs to be adjusted properly |
| Blades are too dull - Sharpen the blades |
| Blades are defective or worn - Blades need to be replaced |
| Discharge chute is plugged - Mower deck needs to be cleaned |
| Deck shell is broken - Rebuild or change mower deck |
| Loose or faulty mower spindle - Replace or repair the spindle |
| Electrical Troubleshooting |
| Battery does not charge |
| Loose or corroded wire connections - Clean or tighten connections |
| Battery terminal clamps are faulty - Replace terminal clamps |
| Bad cell in battery - Battery change required |
| Battery capacity is low - Low battery charging, charge as required |
| Battery will not hold charge - Battery needs service or replacement |
| Terminals are faulty or battery cables are disconnected - Check cables and change or clean terminals |
| Battery is drained or worn - Battery needs to be recharged or replaced |
| Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly |
| Low battery output voltage - Battery needs to be recharged |
| Improperly gapped or dirty spark plug - Clean, gap or replace spark plug |
| Faulty solenoid or starter motor - Repair starter or change solenoid |
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| Lawn and Garden Tractors Technical Specs |
