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John Deere L111 Tractor Problems

John Deere L111 Engine Troubleshooting

Engine does not start

Empty gas tank - Fill gasoline up.
Wrong fuel grade - Use quality fuel.
Old gas - Drain gasoline and change with fresh.
Water or air in fuel system - Remove air or water from system.
Spark plug wires are damaged - Install new spark plug wires.
Spark plug damaged - Inspect ignition spark.
Plugged fuel filter - Install new filter.
Faulty safety switch - Change damaged switch.
Carburetor malfunction - Check and repair as required.
Inspect and adjust choke. Test compression.

Gas engine hard to start

Spark plug wear - Inspect the spark, replace if necessary.
Carburetor components worn out - Repair or replace parts.
Fuel pipes are clogged - Clean the system carefully.
Choke cable not adjusted properly - Checking and adjusting.
Stale or improper fuel - Pour quality fuel.
Loose or corroded electrical connections - Checking and replace wiring if necessary.
Failing starter - Check the starter and replace defective components.

Engine runs roughly

Cooling fins are clogged - Remove dirt from cooling fins.
Electrical connections damaged - Check and restore damaged connections.
Ignition setting defective - Inspect spark plug and ignition system.
Choke cable sticks - Check and repair.
Air filter dirty - Replace air cleaner.

Engine misses

Spark plug worn out - Test spark plug.
Carburetor malfunction - Inspect and overhaul.
Ignition coil air gap incorrect - Check and adjust ignition coil air gap.

Engine overheating

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

Engine doesn't idle speed

Spark plug not gapped correctly - Check spark plug gap.
Faulty spark plug - Test spark and replace as required.

JD L111 Engine knocks

Stale fuel - Use correct gasoline.
Engine overloaded - Reduce the load.
Lack of engine oil - Check oil level and add if necessary.
Engine is running at low revs - Adjust carburetor.
piston rings or cylinder bore damaged - Replace defective components.
Inspect for engine overheats from clogged cooling fins.
Check and adjust crankshaft end play.
Checking for wear crankshaft or camshaft bearings.

Engine backfires

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

Engine lacks power

Engine overheats - Replace air cleaner.
Overfilling engine oil - Excess oil needs to be drained.
Faulty fuel pump - Inspect and repair fuel pump.
Governor is damage - Inspect and repair governor.
Inspect and repair carburetor.
Check engine compression.

Engine uses too much fuel

Insufficient choke opening - Replace throttle cable.
Carburetor is not working properly - Adjust or repair carburetor.

Black smoke is emitted during operation

Air cleaner is dirty or oiled - Inspect and clean.
Throttle not fully engaged - Check and repair throttle.
Check and adjust carburetor float level.

John Deere L111 Electrical System Troubleshooting

Starter motor will not turn engine

Main fuse defective - Install new fuse.
Poor terminal connection - Clean connections.
Weak battery - Need to charge the battery.
Ignition lock defective - Change switch.
Starter fault - Change the starter.
Wiring damage - Reconnect wires.

Battery doesn't charge

Dead cell in the battery - Fit new battery.
Bad contact between battery pole and cable - Change or clean cable.

No Lights work

Headlight wire connector disconnected.
Check light bulbs.
Short-circuit in cable.

JD L111 Machine Problems

Excessive tractor vibration

Implements driven belt damaged or worn - Check and change worn belt.
Traction drive belt worn - Check and change worn belt.
Dirt on driven pulley - Replace if necessary.
The mower deck blades are bent or unbalanced - Tighten and balance blade.

Engine runs but tractor won't move

The parking brake is locked - Unlock park brake.
Bypass valve lever is engaged - Disengage the bypass valve lever.
Loose lawnmower blades - Inspect and fasten securely if necessary.
Incorrect blade balancing - Balance the blades correctly.
Too much or too little oil - Add oil to the transmission.

John Deere L111 Lawn Mower Troubleshooting

Clogged discharge chute

Lawn mower is driving too fast - Do not use high speed.
Grass Too Tall - Adjust cutting height.
Wet grass - Don't mow while wet grass.
Engine rpm reduced - Open choke wide.
Airflow restriction - Set higher revs.
Lack of cutting height - Use higher cutting.
Belt is loose - Reinstall the belt properly.

Uncut grass during operation

Mower deck clogged - Inspect and clean cutting deck.
Defective blade - Sharpen the blade or install a new one.
Mower deck low - Deck leveling required.
Bagger too full - Clean bagger.
Speed too high - Choose recommended speed.

Slipping drive belt

Dirt in the sheaves - Check and clean.
Worn belt - Check and change damaged belt.
Belt tension problems - Belt tension needs to be adjusted.

Mower vibrates

Mower deck clogged or in sheaves - Remove clogging from mower deck or sheaves.
Belt or pulley faulty - Change damaged parts.
Belt or sheaves no adjustment - Inspect and adjust.
Improper blade balancing - Balance blades properly.

Blades scalping grass

Wrong cutting height - Check and adjust height.
Mower rollers height wrong - Adjust mower deck wheels.
Low tire pressure - Inflate tires as required.
Faster mower blade speeds - Correct blades speed.
Bent blades during operation - Replace blades.

Uneven Cut

Deck level is too low - Deck leveling required.
Insufficient tire pressure - Tire pressure required.
Incorrect wheel height - Check the wheel heights.
Travel speed too high - Don't use fast speed.
Blades dull - Checking for blade fault and change if required.

JOHN DEERE TRACTORS ATTACHMENTS
420	430	455	790	990
X300	X320	X330	X350	X475
X485	X500	X540	X570	X590
X700	X720	X738	X758	1023E
2025R	2210	2520	3025E	3032E
3038E	3038R	3039R	3046R	3203
3320	3520	4052R	4066R	4100
4105	4115	4200	4310	4320
4400	4410	4520	4600	4720

JD TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R