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John Deere X146R Troubleshooting
The
John Deere X146R is a 2WD lawn tractor from X100 series. This model was
manufactured from 2018 to 2020. The driveline consists of 40.1 cu.in (656 cc)
Briggs and Stratton 4-cycle V-twin cylinder OHV vertical shaft air-cooled
gasoline engine with a rated power of 16.8 Hp (12.5 kW), and belt-driven
hydrostatic transmission with infinite forward and reverse gears.
The John Deere X146R is equipped with a manual steering system, electric
PTO clutch, disc brakes, 15x6.00-6 front tires, and 18x8.50-8 rear
tires. The operating weight is 514 lbs (233 kg). The John Deere X146R
tractor is compatible with a 36" mid-mount 2-blade rear-discharge mower
deck with a cutting height of 1.0-4.0" (25-102 mm) and mechanical lift
system.
| Engine Troubleshooting |
| Engine won't start or hard to start |
| Empty gas tank - Add gasoline |
| Low-quality gasoline - Use quality gasoline |
| Clogged fuel system - Remove clogging |
| Spark plug wiring connection is damaged - Check spark plug wiring connection, repair or change |
| Defective spark plug - Change spark plug as required |
| Fuel filter is clogged - Install new filter |
| Brake pedal not depressed - Press the brake pedal |
| Carburetor incorrectly set - Set carb correctly |
| Poor compression - Inspect and replace wear parts |
| Damaged or incorrectly adjusted choke cable - Adjust correctly or replace the cable |
| Air intake screen is blocked - Wash or clean as required |
| Ignition system problems - Check ignition system and replace faulty parts |
| Faulty or stuck throttle cable - Replace or clean the cable |
| Air filter is dirty - Service or replace air filter |
| Fuel pump is faulty or clogged - Check fuel pump and replace if necessary |
| Engine starts and stops suddenly |
| Spark plug is damaged - Spark plug need to be replaced |
| Dirty or defective carburetor - Service or change carburetor |
| Ignition coil is defective - Change ignition coil as required |
| Loose or worn valve springs - Valve springs need to be changed |
| Valves sticking - Valves need to be cleaned |
| Lack of engine oil - Fill up the engine oil |
| Excessive engine load - Load reducing required |
| Air intake screen is blocked - Clean and wash as required |
| Too lean fuel mixture in carburetor - Use proper settings |
| Ignition timing is incorrect - Set the ignition timing properly |
| Valve setting is improper - Adjust valves as required |
| Stale or low octane fuel - Change gasoline |
| Engine is running overloaded - Load reducing required |
| Engine oil level is insufficient - Check oil level and add oil as required |
| Improperly adjusted low idle speed - Adjust the low idle speed |
| Dirty or damaged fuel pump - Check fuel pump and change if required |
| Main bearings or crankshaft are worn out - Change defective components as required |
| Incorrect valve clearance - Need to adjust valve clearance |
| Damaged piston rings or cylinder bore - Replace faulty parts |
| Carburetor is clogged or improperly adjusted - Service or correctly adjust carburetor |
| Air filter is blocked - Replace or service air filter |
| Clogged or damaged fuel pump - Inspect fuel pump and change as required |
| Ignition failure - Inspect ignition system and change failed components |
| Blown cylinder head gasket - Cylinder-head gasket replacement required |
| Stuck or burned valves - Service or change valves |
| Push rod is damaged or worn - Push rod needs to be changed |
| Worn cylinder block components - Replace defective parts as required |
| Choke is not fully open - Check choke cable and adjust it |
| Carburetor main jet adjustment is incorrect - Adjust the carburetor main jet properly |
| Loose or defective spark plug - Re-tighten or replace spark plug |
| Worn, stuck, or burned valves - Service or replace valves |
| Sleeve, rings, or piston are damaged - Replace faulty components |
| Valve clearance is incorrect - Adjust to proper valve clearance |
| Excessive engine oil consumption |
| Damaged seals or gaskets - Defective components must be replaced |
| Worn valve stems and valve guides - Valves replacement required |
| Piston rings are seized or worn - Have piston rings replaced |
| Damaged cylinder liner or piston - Inspect piston and liner, replace as required |
| Plugged breather pipe or hose - Change or service |
| Hydrostatic Transmission Troubleshooting |
| Hydrostatic transmission noises |
| Speed control pedal linkage is damaged or out of adjustment - Repair or adjust linkage |
| Excessive transmission load - Load needs to be reduced |
| Contaminated transmission fluid or low fluid level - Fill to required level or change the fluid |
| Defective or worn transmission parts - Change or repair defective parts |
| Shift linkage is rusty or worn - Lubricate or replace the linkage |
| Hydrostatic pump is faulty or seized - Change or repair pump |
| Defective or unadjusted transmission shift control components - Adjust correctly or replace |
| Lack of transmission fluid - Need to add transmission fluid |
| Worn or defective drive pulley - Install a new pulley |
| Shifter linkage is not adjusted or faulty - Adjust properly or change linkage |
| Speed control pedal linkage is damaged or out of adjustment - Adjust or replace linkage |
| Transmission gaskets or seals are worn - Replace gaskets or seals |
| Final drive shaft is leaking - Install new shaft seals |
| Transmission case is cracked - Install a new transmission case |
| Mower Deck Troubleshooting |
| Mower vibrates too much |
| Dirty or worn mower drive sheave - Service or replace sheave |
| Loose or worn drive belt - Change belt or adjust belt tension |
| Mower blades are unbalanced or bent - Change or balance blades |
| Loose blade bolts tightening - Bolts should be tightened |
| Constant clogging of discharge chute |
| High mowing speed - Operate at slower speed |
| Tall grass - Adjust mower to lower cutting height |
| Reduced engine speeds - Choke is not fully opening |
| Cutting height is too low - Use a higher cutting height |
| Mower deck drive belt installed incorrectly - Drive belt must be installed correctly |
| Discharge chute is plugged - Clean mower deck as required |
| Excessive blade dullness - Need a blade sharpening |
| Defective or worn blades - Replace the blades |
| Ground speed is too fast - Select a slower speed |
| Cutting level is too low - Use correct cutting height |
| Grass bag is full - Grass bag must be empty |
| Lawn is uneven or bumpy - Lawn needs to be leveled |
| Cutting height is too low - Change cutting height adjustment |
| Fast mowing speed - Use a slower speed |
| Improperly leveled mower deck - Deck needs to be adjusted properly |
| Worn or bent blades - Change the blades |
| Tires are not correctly inflated - Inflate tires correctly |
| Tires are not properly inflated - Need to inflate tires |
| Incorrectly leveled mower deck - Adjust the level of mower deck correctly |
| Blades are excessively dull - Need a blade sharpening |
| Damaged or worn blades - Replace the blades |
| Deck is plugged with grass - Mower deck needs to be cleaned |
| Deck housing is damaged - Rebuild or change mower deck |
| Loose or faulty mower spindle - Repair or change the spindle |
| Electrical Troubleshooting |
| Battery won’t charge |
| Wiring connections are loose or corroded - Tighten or service connections |
| Battery terminal connectors are faulty - Terminal connectors should be replaced |
| Battery is defective - Battery change required |
| Low battery output voltage - Battery is drained, charge it |
| Battery is not holding charge - Service or replace the battery |
| Disconnected wiring or bad battery terminals - Check wire connections and change or service terminals |
| Battery is drained or worn - Recharge or change battery |
| Battery wires are disconnected or incorrectly connected - Check wires and connect correctly |
| Low battery output - Charge the battery |
| Spark plug gapped improperly or faulty - Clean, gap or replace spark plug |
| Damaged starter motor or solenoid - Repair starter or replace solenoid |
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| Lawn and Garden Tractors Technical Specs |
