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Cub Cadet 2186 Lawn Tractor Problems

Cub Cadet 2186 Engine Troubleshooting

Engine won't start

Gas tank is empty - Fill gasoline up.
Wrong fuel grade - Use correct gasoline grade.
Old gasoline - Drain gasoline and change with fresh.
Dirt and debris in fuel system - Remove debris and dirt.
Spark plug wires are damaged - Inspect and replace if required.
Faulty spark plug - Replace as required.
Plugged fuel filter - Replace fuel filter.
Brake pedal not depressed - Press the brake pedal.
Carburetor problems - Carburetor diagnostics required.
Inspect starter cranking speed RPM. Test crankcase vacuum.

Kohler engine starts hard

Faulty spark plug - Test spark and change as required.
Wrong carburetor adjustment - Adjusting carburetor correctly.
Clogged fuel lines - Remove clogging from fuel pipes.
Throttle cable is not adjusted correctly - Check and adjust.
Old or improper fuel - Fill in proper fuel.
Electrical connection problems - Checking and replace wiring if necessary.
Failing starter - Test starter and repair if necessary.

Rough running engine

Clogged cooling fins - Clean cooling fins.
Electrical contacts are damaged - Check and restore defective connections.
Ignition adjustment lost - Check spark plug and ignition.
Choke cable sticking - Check and repair.
Air filter blocked - Change air cleaner.

Engine stops or misses

Spark plug wear - Inspect spark plug wire.
Carburetor defective or not adjusted - Repair or adjust.
Ignition coil air gap incorrect - Check and adjust ignition coil air gap.

Kohler engine overheats

Excessive engine load - Reduce loads.
Air inlet or cooling fins blocked - Clean clogged components.
Engine oil high or too low - Inspect oil pump for damage or worn.
Poor quality oil - Change oil.
Inspect crankshaft to main bearing clearance.
Fast idle speed - Adjusting fast idle speed.

Engine does not idle

Spark plug not gapped correctly - Check tightness of spark plug.
Spark plug malfunction - Test spark and replace as required.

Kohler engine knocking

Stale gasoline - Use correct fuel.
Excessive engine load - Reduce loads.
Oil level low - add oil as required.
Engine is running at low revs - Adjust the speed.
Piston rings and cylinder bore are wear - Inspect cylinder bore or rings for worn.
Inspect for engine overheats from clogged cooling fins.
Checking and adjusting valve clearance.
Inspect for loose or wear connecting rods.

Engine back-fire

Check spark plug and replace if necessary.
Adjust or change the throttle.
Check and adjust carburetor.
Check and adjust ignition coil air gap.
Inspect for sticking valves.
Check valve clearance, adjust if required.
Inspect flywheel key.

Loss of power

Engine overheating - Clogged air filter element.
High engine oil - Excess oil needs to be drained.
Faulty fuel pump - Testing fuel pump output.
Governor is damage - Inspect and adjust governor.
Inspect and repair carburetor.
Checking engine compression.

Excessive Fuel Consumption

Choke doesn't open well - Check throttle cable.
Incorrect carburetor adjustment - Checking and adjusting carburetor.

Black smoke is emitted during operation

Air cleaner element plugged - Check and clean.
Choke not fully engaged - Inspecting and adjusting choke.
Check and adjust carburetor float level.

Cub Cadet 2186 Electrical System Troubleshooting

Starter does not function

Blown fuse - Installing new fuse.
Battery contacts are corroded - Inspect and clean terminals.
Low battery voltage - Need to charge the battery.
Ignition lock defective - Change the lock.
Starter is damaged - Repair or replace.
Wires disconnected - Connect wires.

Battery doesn't charge

Dead cell in the battery - Replace the battery.
Battery cables and terminals are dirty - Clean or change cable.

Lights do not work

Light plug defective.
Check light bulbs.
Wiring damaged - Check and replace.

Cub Cadet 2186 Machine Troubleshooting

The machine vibrates

Implements driven belt damaged or worn - Inspect and change damaged belt.
Traction drive belt damage - Installing new driven belt.
Drive sheaves are dirty - Installing a new pulley.
Bent cutting blade or no balance - Change as needed.

Engine runs but tractor won't move

Parking brake locked - Unlock park brake.
Bypass valve lever activated - Deactivate the bypass valve.
Blade becomes loose - Inspect and fasten securely if necessary.
Poor balancing after sharpening - Check blades for damage and balance as required.
Transmission oil is insufficient - Pour oil as required.

Cub Cadet 2186 Lawn Mower Problems

Discharge Chute Plugged

Travel speed too fast - Choose recommended speed.
High grass - Use a shorter cutting height.
The grass is wet - Do not use the mower if grass is wet.
Engine rpm too low - Increase engine rpm.
Loss of airflow - Set higher revs.
Low cutting height - Use higher cutting.
Belt fitted incorrectly - Install the belt correctly.

Uncut grass during operation

Mower's cutting deck is clogged - Check cutting deck and clean if necessary.
Blades dull or damaged - Check for blade damage and replace if necessary.
Deck too low - Leveling the mower deck.
Grass bagger overfilled - Clean bagger.
Speed too high - Need to reduce speed.

Belt slips

Dirt in the sheaves - Need to clean the pulley.
Drive belt wear - Install new belt.
Belt tension is incorrect - Adjust belt tension.

Mower vibrates

Mower clogged or in pulleys - Clean pulley and deck from debris.
Damaged pulleys or belt - Change worn parts.
Belt or pulleys out of centering - Inspect and adjust.
Improper blade balancing - Blades need balancing.

Blades scalping grass

Incorrect height cutting - Raise cutting height.
Mower wheel height incorrect - Adjust front or back wheel height.
Insufficient tire pressure - Increase tire pressure.
Blades speed too fast - Balance mower speed.
Blades are bent - Remove bent blade and fit new one.

Uneven cutting results

Mower deck not level - Checking and adjust deck height.
Tire pressure uneven - Inflate tires as required.
Incorrect rollers height - Check the rollers heights.
Operating at a faster ground speed - Choose recommended speed.
Blades worn - Sharpen the blade or install a new one.

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