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John Deere X700 Troubleshooting

John Deere X700 Engine Problems

Tractor engine does not start

Fuel tank is empty - Fill it up.
Wrong grade of gasoline - Use quality gasoline.
Stale fuel - Drain fuel and add fresh.
Dirty fuel system - Check and clean.
Spark plug defective - Inspect and change if necessary.
Faulty spark plug - Installing new spark plug.
Clogged fuel filter - Fuel filter needs changing.
Brake pedal not pushed down - Push the brake pedal down.
Carburetor is clogged - Clean the carburetor.
Check starter cranking RPM. Compression problems.

Gas engine hard starting

Spark plug failed - Check the spark and change defective spark.
Carburetor incorrectly set - Set carb correctly.
Clogged fuel lines - Servicing fuel system.
Worn throttle cable - Replace as required.
Stale or improper fuel - Drain and add proper gasoline.
Electrical connection problems - Check and replace.
Failing starter - Check starter, repair or replace.

Engine stalling, surging or running rough

Cooling fins are clogged - Clean cooling fins.
Electrical contacts are damaged - Inspect and replace defective contacts.
Ignition setting defective - Test ignition and spark plug.
Choke cable sticks - Check and replace.
Air cleaner element plugged - Change air cleaner.

Engine misses

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

Engine overheats

Engine overloaded - Reduce the load.
Cooling fins or air inlet plugged - Clean and wash dirty components.
Engine oil low or too high - Inspect oil level.
Low quality engine oil - Change oil.
Inspect crankshaft to main bearing clearance.
Too Fast idle - Adjust carburetor idle mixture screw.

Engine will not idle

Spark plug not gapped correctly - Adjust spark plug gap.
Spark plug worn out - Test spark and change as required.

JD X700 Engine knocks

Stale or low octane fuel - Change gasoline.
Engine overload - Reduce the load.
Oil level low - Add to required level.
Engine speed too low - Adjust the required speed.
piston rings or cylinder bore damaged - Inspect and replace if required.
Inspect for engine overheats from clogged cooling fins.
Check and adjust crankshaft end play.
Check for carbon build-up in combustion chamber.

Engine backfires

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

Engine lacks power

Engine overheating - Check air cleaner for plugged condition.
Excess engine oil - Drain excess oil.
Fuel pump is damage - Test fuel pump output.
Defective governor - Inspect and adjust governor.
Inspect carburetor for plugged passages.
Checking engine compression.

Engine uses too much fuel

Throttle did not open fully - Inspect choke cable.
Carburetor malfunction - Adjust carburetor.

Black smoke is emitted during operation

Air cleaner element plugged - Clean or replace filter.
Throttle not fully engaged - Inspecting and adjusting throttle.
Check for correct main jet for elevation.

JD X700 Electrical System Troubleshooting

Starter doesn't work or will not turn engine

Main fuse malfunction - Install new fuse.
Battery contacts are corroded - Clean terminals.
Low battery voltage - Battery charging required.
Ignition lock defective - Change the lock.
Starter fault - Repair or replace.
Wiring disconnected - Replace electric wires.

Battery doesn't charge

Battery cells fails - Replace the battery.
Battery cables and terminals are dirty - Clean or change cable.

Lighting does not function

Headlight wire connector disconnected.
Replace light bulbs.
Short circuit in electrical wires.

John Deere X700 Machine Problems

The machine vibrates

Attachment driven belt worn or damaged - Inspect and replace damaged belt.
Worn traction drive belt - Install new belt.
Dirt on driven pulley - Clean or replace.
Bent cutting blade or no balance - Tighten and balance blade.

The engine is running but tractor is not moving

The parking brake is locked - Release the parking brake.
Bypass valve pulled out - Set bypass valve to the off position.
Blades loose - Checking blades for loose bolts.
Incorrect blade balancing - Check blade balancing.
Too much or too little oil - Pour oil as required.

John Deere X700 Mower Deck Troubleshooting

Discharge Chute Clogged

Lawn mower is driving too fast - Operate the mower at low speed.
Grass has grown too long - Adjust the mower to a lower cutting height.
Wet grass - Do not mow when grass is wet.
Engine rpm reduced - Increase engine rpm.
Loss of airflow - Check engine rpm.
Low cutting height - Change cutting height.
Belt fitted improperly - Install the belt correctly.

Lawn mower leaving uncut grass

Cutting deck clogging - Mower deck needs cleaning.
Damaged or worn blade - Installing new blade.
Deck level is too low - Checking and adjust deck height.
Bagger too full - Clean grass bag.
Speed too high - Operate the mower at low speed.

Slipping drive belt

Sheave is dirty - Clean or replace.
Worn belt - Inspect and replace worn belt.
Belt tension is incorrect - Install the belt correctly.

Mower vibrates

Debris on mower deck or in sheaves - Remove clogging from sheaves or mower deck.
Worn belt or sheave - Replace damaged parts.
Belt or sheaves out of centering - Inspect and align.
Improper blade balancing - Blade balance required.

Blade strips grass

Cutting too low - adjust cutting height.
Mower rollers not adjusted improperly - Adjust mower deck wheels.
Low tire pressure - Need to inflate tires.
High blade speed during mowing - Adjust the blade speed.
Blades are bent - Replace blades.

Uneven cutting results

Mower deck low - Checking and adjust deck height.
Tire pressure uneven - Increase tire pressure.
Incorrect wheel height - Check the rollers heights.
Travel speed too high - Operate the mower at low speed.
Blades worn - Installing new 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