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John Deere X145 Troubleshooting
The
John Deere X145 lawn tractor from X100 Series was manufactured between 2011 and
2014. The John Deere X145 tractor is powered by Briggs and Stratton 4-cycle
single cylinder OHV vertical shaft air-cooled gasoline engine. A 30.6 cubic
inches (501 cc) engine has a cylinder bore of 3.56" (91 mm), piston stroke of
3.06" (78 mm), and rated power of 13.8 Hp (10.3 kW). This model is fitted with a
belt-driven hydrostatic transmission with infinite forward and reverse gears.
The John Deere X145 is equipped with a manual steering system, electric
PTO clutch, disc brakes, 15x6.00-6 front tyres, and 20x8.00-8 rear
tyres. The operating weight is 450 lbs (203 kg). The tractor is
compatible with a 42" mid-mount 2-blade mower deck with a cutting height
of 1.0-4.0" (25-102 mm) and mechanical lift system.
| Engine Troubleshooting |
| Engine difficult to start or won't start |
| Empty fuel tank - Add fuel |
| Low-quality gasoline - Change gasoline |
| Air in the fuel lines - Bleed the fuel lines |
| Defective spark plug wire connection - Inspect spark plug wiring connection, change or repair |
| Faulty spark plug - Spark plug need to be replaced |
| Dirty fuel filter - Fuel filter needs to be replaced |
| Defective safety switch - Replace if required |
| Carburetor is clogged - Clean the carburetor |
| Engine has low compression - Check cylinder block and replace defective parts |
| Worn or unadjusted choke cable - Adjust correctly or change the cable |
| Air intake screen is blocked - Need to clean or wash |
| Ignition system problems - Inspect ignition system and change failed components |
| Stuck or faulty throttle cable - Service or replace the cable |
| Air filter is blocked - Change or clean air filter |
| Clogged or damaged fuel pump - Clean or install new fuel pump |
| Engine starts but then stalls |
| Spark plug is defective - Spark plug need to be replaced |
| Faulty or dirty carburetor - Replace or service carburetor |
| Ignition coil is defective - Replace ignition coil as necessary |
| Broken or loose valve springs - New valve springs need to be installed |
| Valves sticking - Valves must be cleaned |
| Insufficient engine oil - Add oil to the engine crankcase |
| Engine overload - Reduce load |
| Air intake screen is plugged - Need to clean or wash |
| Carburetor is running lean - Make the correct settings |
| Improper ignition timing - Adjust ignition timing correctly |
| Improper valve setting - Valves needs to be set correctly |
| Abnormal engine noise or knocking |
| Stale gasoline - Use correct fuel |
| Engine overloaded - Reduce load |
| Lack of engine oil - Fill up the engine oil |
| Incorrect low idle setting - Adjust idling as required |
| Fuel pump is clogged or faulty - Clean or replace fuel pump |
| Worn main bearings or crankshaft - Change or repair worn components |
| Excessive valve clearance - Adjust valve clearance according to specifications |
| Damaged cylinder bore or piston rings - Replace faulty parts |
| Carburetor is clogged or incorrectly adjusted - Service or correctly adjust carburetor |
| Plugged air filter - Service or change air filter |
| Fuel pump is defective or dirty - Clean or install new fuel pump |
| Defective ignition system - Check ignition system and replace faulty parts |
| Damaged cylinder-head gasket - Cylinder-head gasket replacement required |
| Valves are burned or stuck - Clean or replace valves |
| Worn or bent push rod - Push rod should be replaced |
| Worn cylinder block parts - Replace defective components as required |
| Excessive fuel consumption |
| Throttle not fully open - Check throttle cable and adjust as required |
| Incorrect carburetor main jet adjustment - Adjust it correctly |
| Spark plug is faulty or loose - Tighten or change the spark plug |
| Valves are stuck, worn, or burned - Clean or replace valves |
| Worn sleeve, piston, or rings - Replace faulty parts |
| Valve clearance is incorrect - Adjustment procedure required |
| High engine oil consumption |
| Seals or gaskets are defective - Replace worn parts to avoid leaks |
| Worn valve guides and valve stems - Replace the valves |
| Piston rings are defective or worn - Install new piston rings |
| Piston or cylinder liner is damaged - Inspect liner and piston, change as necessary |
| Blocked breather hose or pipe - Clean or replace |
| Hydrostatic Transmission Troubleshooting |
| Excessive HST transmission noise |
| Speed control pedal linkage is damaged or out of adjustment - Adjust or replace linkage |
| Excessive transmission load - Reduce loading |
| Contaminated transmission fluid or low fluid level - Fill to required level or change the fluid |
| Worn or defective transmission components - Replace or repair defective components |
| Stuck or worn shift linkage - Linkage need to be replaced |
| Stuck or defective hydrostatic pump - Repair or replace pump |
| Defective or unadjusted transmission shift control components - Replace or adjust as required |
| Low fluid level - Need to add transmission fluid |
| Faulty or worn drive sheave - Replace sheave |
| Broken or not adjusted shift linkage - Replace or adjust linkage |
| Speed control pedal linkage is damaged or out of adjustment - Change or adjust linkage |
| Worn transmission seals or gaskets - Seals and gaskets need to be replaced |
| Final drive shaft leakage - Change shaft seals |
| Transmission case is cracked - Replace defective case or transmission assembly |
| Mower Deck Troubleshooting |
| Mower vibrates too much |
| Dirty or worn mower drive sheave - Service or replace sheave |
| Loose or defective drive belt - Install a new belt or adjust belt tension |
| Warped or not balanced mower blades - Balance or change blades |
| Blade bolts are not tightened well - Bolts should be tightened |
| Discharge chute regular clogging |
| Ground speed is too fast - Need to slow down |
| Grass is too high - Need to set low cutting height |
| Engine is running at too low speed - Throttle is not fully open |
| Low cutting height - Must be set to high cutting height |
| Incorrect mower drive belt installation - Reinstall drive belt properly |
| Deck clogged with grass clippings - Check cutting deck and clean as necessary |
| Not sharp blades - Need to sharpen the blades |
| Blades are worn or damaged - Blades need to be replaced |
| High mowing speed - Operate at slower speed |
| Cutting height is too low - Use a higher cutting height |
| Bagger is overfilled - Empty the bagger |
| Lawn is bumpy or not smooth - Roll or level the lawn |
| Low cutting height - Raise the cutting height |
| High ground speed - Need to slow down |
| Improper mower deck level - Level the deck correctly |
| Blades are bent or worn - Install new blades |
| Low tire pressure - Check and inflate the tires |
| Low tire inflation - Inflate tires correctly |
| Deck is not leveled correctly - Adjust mower deck level properly |
| Blades are excessively dull - Need to sharpen the blades |
| Worn or bent blades - Replace the blades |
| Discharge area is clogged - Check cutting deck and clean as necessary |
| Deck shell is broken - Repair or replace the deck |
| Mower spindle is loose or defective - Replace or repair the spindle |
| Electrical Troubleshooting |
| Battery is not charging |
| Electrical cable connections are corroded or loose - Tighten or service cable connections |
| Defective electrical terminal connectors - Terminal connectors need to be changed |
| Battery dead cell - Use a new battery |
| Low battery capacity - Battery is drained, recharge it |
| Battery is not holding charge - Battery needs service or replacement |
| Wires are disconnected or battery terminals are corroded - Check wiring connections and replace or clean terminals |
| Battery is discharged or worn - Replace or charge as required |
| Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly |
| Battery capacity is low - Battery is drained, recharge it |
| Improperly gapped or dirty spark plug - Clean and gap or replace |
| Faulty solenoid or starter motor - Starter/solenoid needs to be replaced |
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| Lawn and Garden Tractors Technical Specs |
