________________________________________________________________________________

John Deere X310 Lawn Tractor Troubleshooting

John Deere X310 Engine Problems

Kawasaki engine won't start

Fuel tank is empty - Fill it up.
Low-quality gasoline - Use quality fuel.
Old gasoline - Drain gasoline and add fresh.
Dirty fuel lines - Inspect and clean.
Defective spark plug wires - Install new spark plug wires.
Faulty spark plug - Test ignition spark.
Clogged fuel filter - Fuel filter needs to be replaced.
Brake pedal not pushed down - Push the brake pedal down.
Carburetor malfunction - Check and repair as required.
Inspect starter cranking speed RPM. Compression problems.

Engine starts hard

Spark plug failed - Check the spark and replace defective spark.
Carburetor is dirty - Wash, clean and adjust.
Fuel pipes are clogged - Service required.
Choke cable not adjusted properly - Checking and adjusting.
Stale or improper gasoline - Fill in proper fuel.
Electrical connection problems - Check and replace.
Failing starter - Check the starter and replace defective components.

Engine runs unevenly

Cooling fins blocked - Clean and wash cooling fins.
Electrical connections damaged - Inspect and replace defective contacts.
Ignition setting defective - Check ignition system and adjust as required.
Throttle cable sticks - Check and replace.
Air cleaner blocked - Change air cleaner.

Engine misses under load

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

Kawasaki engine overheats

Excessive engine load - Reduce the load.
Air intake screen clogged - Clean and wash dirty components.
Engine oil high or too low - Check oil level. Test engine oil pressure.
Incorrect engine oil viscosity - Change oil.
Inspect crankshaft to main bearing clearance.
Idle speed problems - Adjust carburetor idle mixture screw.

Engine will not idle

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

Engine knocking

Stale or low octane fuel - Use proper gasoline.
Excessive engine load - Reduce the load.
Low oil level - Check oil level and add if necessary.
Low engine speed - Adjust carburetor.
Piston rings and cylinder bore worn - 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.

Kawasaki engine back-fire

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

Engine loses power

Engine temperature too high - Check air cleaner for plugged condition.
Overfilling engine oil - Remove excess oil.
Faulty fuel pump - Check fuel pump and replace if required.
Governor not work - Inspect and adjust governor.
Inspect carburetor for plugged passages.
Checking engine compression.

Engine getting too much fuel

Insufficient choke opening - Replace choke cable.
Incorrect carburetor adjustment - Adjust carburetor.

Black exhaust smoke

Air filter element clogged - Check and clean.
Choke partially engaged - Check and repair throttle.
Check oil fill dipstick O-ring seal or cracked cap.

John Deere X310 Electrical System Troubleshooting

Starter does not run

Blown fuse - Fit new fuse.
Battery contacts are corroded - Inspect and clean terminals.
Weak battery - Charge the battery.
Ignition lock defective - Change switch.
Damaged starter - Replace or repair.
Wires disconnected - Connect wires.

Battery will not charge

Battery cells defective - Change the battery.
Poor contact between cable and battery pole - Inspect and Clean.

Lights do not work

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

John Deere X310 Machine Troubleshooting

The machine vibrates

Attachment driven belt worn or damaged - Inspect and replace damaged belt.
Traction drive belt damage - Inspect and replace traction belt.
Dirt on drive sheaves - Fit new pulley.
The mower deck blades are bent or unbalanced - Change as needed.

The engine is running but tractor is not moving

Parking brake holds the tractor - Release the parking brake.
Bypass lever is on - Disengage the bypass valve lever.
Loose lawnmower blades - Inspect and fasten securely if necessary.
Poor balancing after sharpening - Check blade balancing.
Transmission oil too low - Add transmission oil.

John Deere X310 Lawn Mower Problems

Discharge Chute Plugged

Travel speed too fast - Do not use high speed.
Too high grass for mowing - Adjust the mower to a lower cutting height.
Wet grass - Wait for the grass to dry.
Engine rpm too low - The throttle is not fully open.
Airflow restriction - Set higher revs.
Low cutting height - Use higher cutting.
Incorrect belt installation - install belt as required.

Patches of grass uncut

Clog in discharge area - Deck cleaning required.
Blade wornout - Check for blade damage and replace if necessary.
Mower deck low - Deck leveling required.
Grass bag overfilled - Empty bagger.
Speed is very high - Do not use high speed.

Slipping drive belt

Debris in sheaves - Need to clean the pulley.
Drive belt damage - Install new belt.
Poor belt tension - Adjust belt tension.

Too much mower vibration

Debris in mower deck or in pulleys - Clean sheave and deck from clogging.
Worn belt or sheave - Change defective components.
Pulley or belt out of alignment - Check and align.
No blade balance adjustment - Balance blades correctly.

Blades scalp grass

Incorrect height cutting - Set the proper cutting height.
Mower height wheels not adjusted - Check wheel adjustment.
Low tire pressure - Increase tire pressure.
Higher blade speed - Blade speed required.
Bent blades during operation - Replace blades.

Uneven cutting results

Mower deck not level - Leveling the mower deck.
Tire pressure uneven - Increase tire pressure.
Incorrect rollers height - Adjust front or back wheel height.
Gear too high - Operate the mower at low speed.
Mower blade bent or worn - Check for blade damage and replace if necessary.

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