Specifications, Service and Repair of Farm and Lawn Tractors

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Cub Cadet XT1 LT42 Lawn Tractor Problems

Cub Cadet XT1 LT42 Engine Troubleshooting

Kohler engine doesn't start

Fuel tank is empty - Fill it up.
Incorrect fuel grade - Use quality gasoline.
Old gasoline - Drain gasoline and change with fresh.
Fuel system clogged - Repair or replace.
Faulty spark plug wire - Check wires connection.
Spark plug damaged - Check ignition spark.
Fuel filter is plugged - Install new filter.
Safety contact for brake pedal defective - Install new part.
Carburetor is not adjusted - Check carburetor float adjustment.
Check starter cranking RPM. Compression problems.

Gas engine hard starting

Spark plug fail - Test spark and change as required.
Problems with carburetor adjustment - Adjust as required.
Dirt in fuel pipes - Clean fuel system components.
Throttle cable worn - Install new throttle cable.
Old or improper fuel - Pour quality gasoline.
Electrical wires are damaged - Inspect and replace.
Starter is not working - Inspect the starter and change defective parts.

Kohler engine runs roughly

Cooling fins are clogged - Clean cooling fins.
Loose electrical contacts - Check and replace damaged connections.
Ignition system problems - Inspect spark plug and ignition system.
Choke cable sticking - Check and replace.
Air cleaner element plugged - Clean or change air filter.

Engine runs but misses

Spark plug wear - Check spark plug for fouled condition and proper gap.
Carburetor defective or not adjusted - Repair or adjust.
Ignition coil defective - Test ignition coil and replace if necessary.

Engine overheating

Engine overloaded - Reduce loads.
Cooling fins or air inlet plugged - Clean clogged components.
Engine oil high or too low - Inspect oil level.
Improper engine oil viscosity - Change oil.
Check connecting rod to crankshaft bearing clearance.
Fast idle speed - Adjust fast idle.

Engine will not idle

Spark plug is loose - Adjust spark plug gap.
Spark plug worn out - Check the spark and change defective spark.

Engine knocks

Stale or low octane fuel - Use proper fuel.
Excessive engine load - Reduce loads.
Oil level low - Check oil level and add if necessary.
Engine runs at low revs - Adjust the speed.
Cylinder bore and rings are wear - Replace defective components.
Inspect for engine overheats from clogged cooling fins.
Check and adjust crankshaft end play.
Check for worn crankshaft or camshaft bearings.

Engine backfires

Check spark plug and replace if necessary.
Check and adjust the choke.
Test carburetor, adjust if necessary.
Checking and adjusting ignition coil air gap.
Inspect inlet and outlet valves.
Test valve clearance, adjusting if necessary.
Inspecting flywheel key.

Kohler engine lacks power

Engine overheating - Air cleaner element plugged.
Excess engine oil - Excess oil must be drained.
Fuel pump broken - Repair or replace fuel pump.
Defective governor - Repair or replace governor.
Inspect and repair carburetor.
Check engine compression.

Engine getting too much fuel

Choke doesn't open well - Check choke cable.
Incorrect carburetor adjustment - Check and adjust carburetor.

Exhaust with black smoke

Air cleaner is dirty or oiled - Check and clean.
Throttle not fully engaged - Inspect and adjust choke.
Check oil fill dipstick O-ring seal or cracked cap.

Cub Cadet XT1 LT42 Electrical System Troubleshooting

Starter doesn't work or will not turn engine

Main fuse malfunction - Fit new fuse.
Battery terminals are corroded - Clean contacts.
Battery is discharged - Battery charging required.
Ignition lock problems - Installing new lock.
Starter fault - Change the starter.
Wiring damage - Replace wiring.

Battery doesn't charge

Battery cells fails - Install new battery.
Bad contact between battery pole and cable - Change or clean cable.

Lighting does not function

Connection/disconnection level in wrong position.
Bulbs defective.
Wiring short circuit.

Cub Cadet XT1 LT42 Machine Troubleshooting

The machine vibrates

Implements driven belt damaged or worn - Inspect and change damaged belt.
Worn traction drive belt - Inspect and replace traction belt.
Drive pulley is dirty - Replace if necessary.
The mower deck blades are bent or unbalanced - Replace damaged blades.

Tractor doesn't move when engine runs

The parking brake is locked - Disengage the park brake.
Bypass valve lever in the push position - Set bypass valve to the off position.
Blades loose - Tighten mower blades.
Incorrect blade balancing - Balance the blades correctly.
Too little transmission oil - Check transmission oil lever.

Cub Cadet XT1 LT42 Mower Deck Problems

Clogged discharge chute

Operating at a faster ground speed - Use slower speed.
Grass too long - try operating a short cutting height.
The grass is wet - Don't mow while wet grass.
Engine rpm reduced - Adjust choke to full opening.
Lack of air flow - Check engine rpm.
cut too low - Choose the correct cutting height.
Improper belt installation - Install the belt correctly.

Uncut grass during operation

Debris in mower deck - Inspect and clean cutting deck.
Blade wornout - Sharpen the blade or install a new one.
Deck level is too low - Deck leveling required.
Bagger too full - Empty bagger.
Speed is very high - Use slower speed.

Belt Slipping

Dirt in the pulley - Pulley cleaning required.
Belt is loose - Check and replace belt.
Belt tension is incorrect - Correct belt tension.

The lawn mower vibrates excessively

Debris in sheaves or on mower deck - Clean deck and pulley from debris.
Worn sheaves or belt - Replace worn components.
Belt or pulleys out of alignment - Inspect and adjust.
The blades are unbalanced - Balance the blades.

Blades scalp grass

Wrong cutting height - Check and adjust height.
Mower height wheels not adjusted - Adjust wheel heights correctly.
Tires inflated insufficient - Need to inflate tires.
Blades speed too fast - Adjust the speed of blades.
Bent blades during operation - Replace blades.

Uneven Cut

Deck too low - Level mower deck.
Low tire inflation - Tire pressure required.
Wrong rollers position - Check wheel adjustment.
Gear too fast - Choose recommended speed.
Mower blade bent or worn - Check for blade damage and replace if necessary.

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CUB CADET TRACTORS SPECIFICATIONS

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ENGINES FOR CUB CADET LAWN TRACTORS

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CUB CADET TRACTORS TROUBLESHOOTING
1050 1863 2166 2182 2186
3184 3205 GT1554 GT2550 GTX2100
LT1040 LT1042 LT1045 LT1046 LT1050
LT2180 LTX1040 LTX1042 LTX1045 LTX1046
LTX1050 SLTX1054 XT1 LT42 XT1 LT46 XT3 GSX