Specifications, Service and Repair of Farm and Lawn Tractors

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Cub Cadet LT1045 Lawn Tractor Problems

Cub Cadet LT1045 Engine Troubleshooting

Kohler engine does not start

Gas tank is empty - Fill it up.
Incorrect fuel grade - Use quality gasoline.
Old fuel - Drain fuel and replace with fresh fuel.
Clogged fuel system - Remove clogging.
Spark plug defective - Inspect and replace if required.
Faulty spark plug - Inspect ignition spark.
Plugged fuel filter - Fuel filter needs changing.
Defective safety switch - Replace if required.
Carburetor malfunction - Check and repair as required.
Check starter cranking RPM. Check the Valves and Compression System.

Engine hard to start

Spark plug failed - Inspect the spark, replace if necessary.
Problems with carburetor adjustment - Adjust as required.
Dirt in fuel lines - Servicing fuel system.
Throttle cable worn - Install new throttle cable.
Stale or incorrect fuel - Pour quality gasoline.
Electrical wires are damaged - Inspect and change.
Failing starter - Test starter and repair if necessary.

Engine runs unevenly

Cooling fins are clogged - Remove dirt from cooling fins.
Loose electrical connections - Check and repair defective connections.
Ignition adjust incorrect - Check ignition system and adjust as required.
Choke cable sticking - Check and replace.
Air cleaner dirty - Clean air filter.

Engine misses

Faulty spark plug - Change spark plug.
Carburetor is not adjusted correctly - Adjust carburetor as required.
Ignition coil air gap incorrect - Check and adjust ignition coil air gap.

Kohler engine overheating

Engine runs under excessive load - Reduce loads.
Cooling fins or air inlet plugged - Clean dirty components.
Engine oil low or too high - Checking oil level and oil pressure.
Improper engine oil viscosity - Change oil.
Check internal bearing clearance.
Idle speed problems - Adjust carburetor for slower idle speed.

Engine doesn't idle speed

Poor spark plug contact - Check spark plug gap.
Spark plug wear - Test spark and replace as required.

Kohler engine knocks

Stale gasoline - Use correct gasoline.
Excessive engine load - Reduce loads.
Oil level low - add oil as required.
Engine runs at low revs - Adjust the speed.
Cylinder bore or piston rings are damaged - Inspect and replace if required.
Inspect for engine overheats from clogged cooling fins.
Check and adjust valve clearance.
Check for loose or worn connecting rods.

Engine backfires

Check spark plug for fouled.
Inspect and adjust choke.
Test carburetor, adjust if necessary.
Check and adjust ignition coil air gap.
Check for sticking valves.
Check and adjust valve clearance.
Check flywheel key.

Engine does not develop full power

Engine overheating - Change air filter.
Too much oil in engine - Drain excess oil.
Fuel pump broken - Test fuel pump output.
Defective governor - Inspect and adjust governor.
Inspect carburetor for plugged passages.
Checking engine compression.

Excessive Fuel Consumption

Insufficient choke opening - Check throttle cable.
Carburetor problems - Adjust carburetor.

Black exhaust smoke

Air filter element plugged - Check and clean.
Choke partially engaged - Check and repair throttle.
Checking and adjusting carburetor float level.

Cub Cadet LT1045 Electrical System Troubleshooting

Starter does not function

Fuse is defective - Check and replace.
Poor terminal connection - Clean contacts.
Battery is discharged - Charge the battery.
Ignition switch is damaged - Change switch.
Faulty starter - Replace or repair.
Wires disconnected - Reconnect wires.

Battery doesn't charge

Battery cells fails - Replace the battery.
Bad contact between battery pole and cable - Clean or replace cable.

No Lights work

Connection/disconnection level in wrong position.
Check light bulbs.
Inspect electrical wires for short- circuit.

Cub Cadet LT1045 Machine Troubleshooting

Tractor vibrates too much or rattles excessively

Implements driven belt damaged or worn - Belt replacement required.
Traction drive belt damage - Install new belt.
Dirt on driven pulley - Clean the sheaves.
Mower blades problem - Balance the blades or replace.

The engine is running but tractor is not moving

Parking brake holds the tractor - Disengage the park brake.
Bypass valve lever in the push position - Deactivate the bypass valve.
Mower blade could be loose - Checking blades for loose bolts.
Improper blade balance - Balance the mower blades correctly.
Transmission oil is low - Add transmission oil.

Cub Cadet LT1045 Lawn Mower Problems

Clogged discharge chute

Ground speed too fast - Need to reduce speed.
Grass Too Tall - Adjusting cutting height.
The grass is wet - Wait for the grass to dry.
Engine rpm reduced - Open throttle wide.
Lack of air flow - Adjust to high revs.
Mower cuts too low - Adjust cutting settings.
Belt installed improperly - Install the belt correctly.

Streaking of uncut grass

Debris in mower deck - Check cutting deck and clean if necessary.
Damaged or worn blade - Check and replace the blade.
Deck level is too low - Leveling the mower deck.
Grass bag overfilled - Clean bagger.
Travel speed too fast - Choose recommended speed.

Belt slips

Debris in sheaves - Check and clean.
Belt is damaged - Check and replace belt.
Belt tension is incorrect - Adjust belt tension.

Excessive mower vibration

Debris in sheaves or on mower deck - Clean mower deck and sheave from debris.
Belt or pulley faulty - Replace damaged parts.
Belt or pulleys out of centering - Check and adjust.
Blades out of balance - Blade balance required.

Blades scalp grass

Cutting height too low - Set the correct cutting height.
Mower height wheels not adjusted - Check wheel adjustment.
Low tire pressure - Check and inflate the tires.
High blade speed during mowing - Blade speed required.
Blades are bent - Install new blades.

Uneven cutting results

Mower deck not leveled properly - Deck leveling required.
Insufficient tire pressure - Increase tire pressure.
Wrong wheel position - Check wheel adjustment.
Ground speed too fast - Don't use fast speed.
Mower blade worn or bent - Check and replace the blade.

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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