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Craftsman T1400 Troubleshooting
The
Craftsman T1400 is a 2-wheel drive lawn tractor from T1000 series. This model
was manufactured by MTD built between 2014 to 2020. The Craftsman T1400
powerline components: a Briggs and Stratton 4-cycle single cylinder OHV vertical
shaft air-cooled gasoline engine and MTD AutoDrive belt-driven variator
transmission with infinite forward and reverse gears.
A 30.5 cubic inches (500 cc) engine has a cylinder bore of 3.56" (91
mm), a piston stroke of 3.06" (78 mm), and rated power of 17.5 hp (13
kW). The maximum forward speed - 5.5 mph (8.8 kph), max. reverse speed -
2.3 mph (3.7 kph).
The Craftsman T1400 lawn tractor is equipped with a manual steering
system, mechanical disc brakes, 15x6.00-6 front tires, and 20x8.00-8
rear tires. The wheelbase is 31 in (780 mm). The tractor is compatible
with a 42" mid-mount 2-blade mower deck with a cutting height of
1.5-4.0" (37-100 mm) and manual lift system.
| Engine Troubleshooting |
| Engine hard to start or will not start |
| Empty gas tank - Fill fuel up |
| Improper fuel grade - Use correct gasoline grade |
| Clogged fuel system - Remove clogging |
| Damaged spark plug wiring connection - Check spark plug wiring connection, repair or change |
| Defective spark plug - Replace spark plug |
| Fuel filter is clogged - Change fuel filter |
| Brake pedal not pushed down - Push the brake pedal down |
| Carburetor incorrectly set - Set carb correctly |
| Engine has low compression - Check cylinder block and replace defective parts |
| Throttle cable is adjusted improperly or worn - Adjust properly or change the cable |
| Air intake screen is blocked - Need to wash or clean |
| Ignition system problems - Inspect ignition system and change failed components |
| Stuck or faulty throttle cable - Clean or replace the cable |
| Plugged air filter - Service or replace air filter |
| Clogged or defective fuel pump - Test fuel pump and replace if necessary |
| Engine starts and stops immediately |
| Spark plug is damaged - Change spark plug |
| Defective or dirty carburetor - Service or change carburetor |
| Ignition coil is defective - Ignition coil must be replaced |
| Worn or loose valve springs - Valve springs need to be changed |
| Valves are stuck - Clean the valves |
| Lack of engine oil - Fill up the oil to required level |
| Engine overloaded - Load reducing is recommended |
| Clogged cooling fins - Need to wash or clean |
| Carburetor mixture is too lean - Make the correct settings |
| Ignition timing is wrong - Ignition timing needs to be set properly |
| Valve setting is wrong - Valves needs to be set correctly |
| Stale fuel - Use proper fuel |
| Engine is running overloaded - Reduce load |
| Lack of engine oil - Fill up the engine oil |
| Low idle speed set incorrectly - Need to adjust idle speed |
| Dirty or defective fuel pump - Service or replace fuel pump |
| Main bearings or crankshaft are worn out - Worn parts replacement required |
| Incorrect valve clearance - Adjust valve clearance according to specifications |
| Worn cylinder bore or piston rings - Replace defective components |
| Carburetor is clogged or improperly adjusted - Clean or correctly adjust carburetor |
| Dirty air filter element - Replace or clean air filter |
| Dirty or defective fuel pump - Test fuel pump and replace if necessary |
| Defective ignition - Inspect ignition system and change failed components |
| Defective cylinder head gasket - Replace the gasket as required |
| Valves are stuck or burned - Change or service valves |
| Push rod is worn or damaged - Replace push rod |
| Damaged cylinder block parts - Change defective parts |
| Engine using too much gasoline |
| Throttle does not open well - Inspect throttle cable and adjust it |
| Incorrect carburetor main jet adjustment - Adjust it properly |
| Spark plug is defective or loose - Tighten or replace spark plug |
| Worn, stuck, or burned valves - Change or clean valves |
| Piston, sleeve, or rings are damaged - Change faulty parts |
| Excessive valve clearance - Adjust valve clearance |
| Excessive engine oil consumption |
| Worn gaskets or seals - Change worn parts according to specifications |
| Damaged valve guides or valve stems - Replace the valves |
| Piston rings are stuck or broken - Install new piston rings |
| Damaged cylinder liner or piston - Check liner and piston, install new components as required |
| Clogged breather hose or pipe - Replace or service |
| Transmission Troubleshooting |
| Hard shifts |
| Loose or broken gear shift linkage - Change defective shift linkage |
| Worn or bent shift forks - Shift forks need to be changed |
| Gearshift mechanism is damaged - Replace or repair the mechanism |
| Transmission makes excessive noise |
| Lack of transmission fluid supply - Add fluid as required |
| Oil contamination - Change transmission oil |
| Gears or bearings are worn - Replace defective parts |
| Transmission jumping out of gear |
| Incorrectly installed or bent shift lever - Reinstall the lever properly or change it |
| Gears are damaged or worn - Replace defective gears |
| Shift forks or shift rods are faulty - Change damaged forks or rods |
| Drive shaft/belt is improperly adjusted or damaged - Replace belt/shaft or adjust it |
| Defective brake/clutch or incorrect brake/clutch adjustment - Replace brake/clutch or adjust it |
| Faulty or worn drive sheave - Install a new sheave |
| Hydrostatic Transmission Troubleshooting |
| Excessive HST transmission noise |
| Speed control pedal linkage is damaged or out of adjustment - Replace or adjust linkage |
| Transmission overloaded - Reduce the load is required |
| Contaminated transmission fluid or low fluid level - Top up to proper level or change transmission fluid |
| Defective or worn transmission parts - Check hydrostatic transmission components for defect or damage and change if necessary |
| Loose or broken shift linkage - Change defective linkage |
| Hydrostatic pump is worn or stuck - Repair or replace pump |
| Misadjusted or faulty transmission shift control components - Adjust properly or change |
| Transmission oil insufficient - Fill the transmission housing to proper oil level |
| Worn or damaged drive sheave - Replace sheave |
| Shifter linkage is not adjusted or faulty - Adjust properly or replace linkage |
| Speed control pedal linkage is bent or not adjusted - Change or adjust linkage |
| Transmission gaskets or seals are worn - Change 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 excessively |
| Damaged or clogged mower drive pulley - Service or change pulley |
| Drive belt is defective or loose - Adjust belt tension or replace belt |
| Mower blades are not balanced or warped - Balance blades or replace it |
| Blade bolts are not tightened well - Bolts need to be tightened |
| Discharge chute keeps clogging |
| Fast ground speed - Operate at slower speed |
| Grass is too high - Need to set low cutting height |
| Reduced engine speeds - Adjust carburetor to higher rpm |
| Cutting height is too low - Use correct cutting height |
| Incorrect mower drive belt installation - Install drive belt correctly |
| Deck is plugged with grass - Mower deck needs to be cleaned |
| Blades are excessively dull - Blades need to be sharpened |
| Defective or worn blades - Replace the blades |
| Mowing speed is too high - Select a lower speed |
| Mower cuts too low - Adjust mower to higher cutting height |
| Full bagger - Bagger must be empty |
| Lawn is not level or bumpy - Lawn leveling required |
| Low cutting height - Raise the cutting height |
| Ground speed is too fast - Use a slower speed |
| Improperly leveled mower deck - Deck needs to be adjusted properly |
| Bent or worn blades - Install new blades |
| Low tire inflation - Correct tire pressure |
| Tires are not properly inflated - Check and inflate the tires |
| Incorrect level of mower deck - Deck should be adjusted correctly |
| Blades are excessively dull - Need to sharpen the blades |
| Blades are defective or worn - Blades need to be replaced |
| Cutting deck clogging - Mower deck needs to be cleaned |
| Damaged mower deck shell - Repair or change the deck |
| Mower spindle is loose or defective - Install new spindle or repair it |
| Electrical Troubleshooting |
| Battery won’t charge |
| Electrical cable connections are corroded or loose - Clean or tighten connections |
| Defective battery terminal connectors - Change terminal connectors |
| Battery is defective - Use a new battery |
| Starter motor cranks slow |
| Low battery capacity - Recharge the battery |
| Battery runs out quickly - Service battery or change it |
| Corroded battery terminals or disconnected wires - Connect cables properly or replace terminals |
| Battery is discharged or defective - Recharge or change battery |
| Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required |
| Battery power is low - Battery is drained, recharge it |
| Spark plug faulty or incorrectly gapped - Clean and gap or replace |
| Solenoid or starter motor failure - Repair starter or install a new solenoid |
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| Lawn and Garden Tractors Technical Specs |
