Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere G110 Tractor Troubleshooting

John Deere G110 Engine Problems

Tractor engine does not start

No fuel in fuel tank - Fill fuel up.
Low-quality gasoline - Use correct fuel grade.
Stale gas - Drain fuel and fill up fresh.
Fuel system clogged - Repair or replace.
Spark plug defective - Inspect and change if necessary.
Spark plug not working - Spark plugs need to be replaced.
Clogged fuel filter - Fuel filter needs changing.
Defective safety switch - Replace if required.
Incorrect carburetor adjustment - Adjust carburetor idle mixture screw.
Check starter cranking RPM. Test crankcase vacuum.

Gas engine long starting

Spark plug failed - Check the spark and change defective spark.
Carburetor is dirty - Wash, clean and adjust.
Clogged fuel lines - Service required.
Choke cable damaged - Replacement required.
Old or incorrect fuel - Fill in proper fuel.
Electrical wiring worn out - Inspect and change.
Starter is not working - Check the starter and replace defective components.

Rough running engine

Cooling fins are clogged - Clean cooling fins.
Electrical connections damaged - Inspect and repair defective contacts.
Ignition system problems - Check ignition system and adjust as required.
Throttle cable sticks - Check and change if required.
Air filter dirty - Clean air filter.

Engine stops or misses

Spark plug failed - Check spark plug wire for wet or deteriorated condition.
Carburetor defective or not adjusted - Repair or adjust.
Ignition coil defective - Test ignition coil and replace if necessary.

John Deere G110 Engine overheats

Excessive engine load - Reduce the load.
Air inlet or cooling fins blocked - Clean and wash dirty components.
Engine oil high or too low - Inspect oil level.
Incorrect engine oil viscosity - Change engine oil.
Check connecting rod to crankshaft bearing clearance.
Fast idle speed - Adjust carburetor for slower idle speed.

Engine does not idle

Spark plug is loose - Check spark plug gap.
Spark plug wear - Inspect the spark, replace if necessary.

Engine knocking

Stale gasoline - Change gasoline.
Excessive engine load - Reduce loads.
Low oil level - Check oil level and add if necessary.
Engine is running at low revs - Adjust carburetor.
Piston rings and cylinder bore are wear - Replace defective components.
Check for engine overheating from plugged cooling fins.
Check and adjust valve clearance.
Inspect for loose or wear connecting rods.

John Deere G110 Engine backfires

Check spark plug and replace if necessary.
Inspect and adjust choke.
Checking and adjusting carburetor.
Check and adjust ignition coil air gap.
Check inlet and outlet valves.
Check and adjust valve clearance.
Checking flywheel key.

Engine loses power

Engine overheating - Air cleaner element plugged.
High engine oil - Drain excess oil.
Fuel pump is damage - Testing fuel pump output.
Faulty governor - Inspect and repair governor.
Check carburetor float adjustment.
Test engine compression.

Excessive Fuel Consumption

Insufficient throttle opening - Adjust throttle cable.
Incorrect carburetor adjustment - Check carburetor float adjustment.

Black smoke is emitted during operation

Air cleaner element clogged - Check and clean.
Choke not fully engaged - Inspecting and adjusting throttle.
Inspect carburetor needle valve and seat for wear or damage.

JD G110 Electrical System Troubleshooting

Starter does not function

Blown fuse - Installing new fuse.
Battery contacts are corroded - Inspect and clean contacts.
Battery not charged - Need to charge the battery.
Ignition switch is damaged - Installing new lock.
Faulty starter - Repair or replace.
Wires disconnected - Connect wires.

Battery will not charge

Faulty cell in battery - Install new battery.
Bad contact between battery pole and cable - Replace or clean cable.

Lighting does not function

Light plug not connected.
Check light bulbs.
Inspect electrical wires for short- circuit.

JD G110 Mechanical Troubleshooting

The machine vibrates

Equipment drive belts worn out - Inspect and change damaged belt.
Traction drive belt damage - Inspect and replace traction belt.
Drive sheaves are dirty - Replace if necessary.
Mower blades problem - Change as needed.

Engine runs but tractor won't move

parking brake blocks the tractor - Release the parking brake.
Bypass valve lever activated - Set bypass valve to the off position.
Blades loose - Checking blades for loose bolts.
Poor blade balancing - Check blade balancing.
Transmission oil is insufficient - Fill transmission with oil.

John Deere G110 Lawnmower Problems

Discharge Chute Clogged

Speed too high - Use slower speed.
Too high grass for mowing - try operating a short cutting height.
The grass is wet - Wait until later to cut.
Engine rpm too low - Adjust choke to full opening.
Lack of air flow - Check engine rpm.
Mower deck set to low cutting - Adjust to higher cutting.
Belt is loose - install belt as required.

Lawn mower leaving uncut grass

Mower's cutting deck is clogged - Check cutting deck and clean if necessary.
Defective blade - Check and replace the blade.
Deck too low - Level mower deck.
Grass bag too full - Clean bagger.
Speed too high - Choose recommended speed.

Belt Slipping

Sheave is dirty - Check and clean.
Drive belt wear - Check and replace belt.
Low belt tension - Belt tension needs to be adjusted.

Excessive mower vibration

Debris in pulleys or in mower deck - Remove clogging from sheaves or mower deck.
Damaged pulleys or belt - Change defective parts.
Misaligned belt or pulley - Check and centering.
Blades are not balanced correctly - Adjust blade balance.

Blade strips grass

Cutting height incorrect - Raise cutting height.
Mower wheel height incorrect - Adjust mower deck wheels.
Low tire inflation - Tire pressure required.
High blade speed during mowing - Blade speed required.
Bent mower blades - Replace blades.

Uneven cutting results

Deck too low - Level mower deck.
Tire pressure unequal - Tire pressure required.
Rollers not positioned properly - Check rollers adjustment.
Ground speed too high - Choose recommended speed.
Mower blade bent or worn - Check for blade damage and replace if necessary.

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JOHN DEERE LAWN TRACTORS SPECIFICATIONS

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ENGINES FOR JOHN DEERE LAWN TRACTORS

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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

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JOHN DEERE FRONT END LOADERS

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

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JOHN DEERE FARM TRACTORS SPECIFICATIONS

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