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John Deere X320 Troubleshooting

John Deere X320 Engine Problems

Tractor engine will not start

Fuel tank is empty - Add gasoline.
Improper fuel grade - Change gasoline.
Old gas - Drain fuel and add fresh.
Fuel system clogged - Repair or replace.
Faulty spark plug wire - Check the spark plug wires.
Faulty spark plug - Change as required.
Plugged fuel filter - Install new filter.
Brake pedal not depressed - Press the brake pedal.
Carburetor is not working properly - Inspect and adjust.
Test fuel transfer pump output. Test compression.

Engine long starting

Faulty spark plug - Test spark and replace as required.
Wrong carburetor adjustment - Adjusting carburetor correctly.
Fuel lines are clogged - Servicing fuel system.
Throttle cable worn - Install new throttle cable.
Stale or incorrect gasoline - Fill in correct fuel.
Electrical wires are damaged - Checking and replace.
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 damaged connections.
Incorrect ignition settings - Check spark plug and ignition.
Throttle cable sticks - Check and repair.
Air filter element clogged - Clean or replace the air filter.

Engine stops or misses

Faulty spark plug - Check spark plug for fouled condition and proper gap.
Carburetor problems - Test and repair.
Ignition coil is damaged - Inspect ignition coil and change if required.

JD X320 Engine overheats

Engine overloaded - Reduce the load.
Air intake screen blocked - Clean clogged components.
Engine oil low or too high - Inspect oil level.
Improper engine oil viscosity - Change oil.
Inspect crankshaft to main bearing clearance.
Too Fast idle - Adjust carburetor for slower idle speed.

Engine does not idle

Poor spark plug contact - Check tightness of spark plug.
Spark plug malfunction - Inspect the spark, change if necessary.

Engine knocks

Low octane fuel - Use correct fuel.
Excessive engine load - Reduce loads.
Lack of engine oil - Add to required level.
Engine is running at low revs - Adjust the speed.
Cylinder bore and rings worn out - Inspect cylinder bore or rings for worn.
Inspect for engine overheats from clogged cooling fins.
Check and adjust valve clearance.
Check for loose or worn connecting rods.

Engine back-fire

Check spark plug and replace if necessary.
Check and adjust the choke.
Check and adjust carburetor.
Checking and adjusting ignition coil air gap.
Check for sticking valves.
Check and adjust valve clearance.
Inspecting flywheel key.

Insufficient engine power

Engine overheats - Replace air cleaner.
Excess engine oil - Excess oil must be drained.
Faulty fuel pump - Testing fuel pump output.
Governor not work - Inspect and repair governor.
Inspect carburetor for plugged passages.
Check engine compression.

Excessive fuel consumption

Choke doesn't open well - Replace throttle cable.
Carburetor is not working properly - Check and adjust carburetor.

Exhaust with black smoke

Air cleaner is dirty or oiled - Clean or change filter.
Choke partially engaged - Inspecting and adjusting throttle.
Check for correct main jet for elevation.

John Deere X320 Electrical Troubleshooting

Starter does not run

Main fuse defective - Installing new fuse.
Terminals are severely corroded and heat up - Clean connections.
Low charging voltage - Need to charge the battery.
Ignition lock problems - Install new switch.
Faulty starter - Replace or repair.
Wiring disconnected - Change wiring.

Battery does not charge

Dead cell in the battery - Install new battery.
Battery cables and terminals are dirty - Check and Clean.

Lighting does not function

Light connector defective.
Loose or burned out bulb.
Inspect electrical wires for short- circuit.

JD X320 Machine Troubleshooting

Tractor vibrates excessively

Equipment driven belt worn out - Check and change worn belt.
Worn traction drive belt - Installing new driven belt.
Drive pulley is dirty - Clean or replace.
Mower blades malfunction - Change as needed.

The engine is running but tractor is not moving

Parking brake locked - Unlock park brake.
Bypass valve lever is engaged - Disengage the bypass valve lever.
Blades loose - Tighten mower blades.
Unbalance in one or both blades - Check mower blade balancing.
Transmission oil is insufficient - Topping up oil.

John Deere X320 Mower Deck Troubleshooting

Discharge Chute Clogged

Lawn mower is driving too fast - Do not use high speed.
Grass Too Tall - Use a shorter cutting height.
Wet grass - Do not mow when grass is wet.
Engine speed reduced - Adjusting carburetor for higher rpm.
Loss of airflow - Adjust to high revs.
Mower cuts too low - Change cutting height.
Belt fitted improperly - Fit belt correctly.

Streaking of uncut grass

Clog in discharge area - Deck cleaning required.
Defective blade - Checking for blade fault and change if required.
Deck level is too low - Deck leveling required.
Bagger too full - Empty bagger.
Speed is very fast - Operate the mower at low speed.

Slipping drive belt

Dirt in the sheaves - Pulley cleaning required.
Worn belt - Inspect and replace worn belt.
Poor belt tension - Install the belt correctly.

Too much mower vibration

Debris in sheaves or on mower deck - Clean pulley and deck from debris.
Belt or sheaves faulty - Install new components.
Belt or pulleys out of alignment - Inspect and adjust.
Improper blade balancing - Blades need balancing.

Blade strips grass

Cutting height too low - Check and adjust height.
Mower rollers not adjusted improperly - Check the wheel heights.
Insufficient tire pressure - Tire pressure required.
Faster mower blade speeds - Balance mower speed.
Bent mower blades - Replace blades.

Uneven cutting results

Deck level is too low - Deck leveling required.
Low tire pressure - Tire pressure required.
Incorrect rollers height - Check the rollers heights.
Operating at a faster ground speed - Choose recommended speed.
Blades dull - Sharpen or replace blade.

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