Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere E170 Troubleshooting

JD E170 Engine Problems

Engine not to start

Fuel tank is empty - Add gasoline.
Improper fuel grade - Use correct fuel grade.
Stale gasoline - Drain gasoline and fill fresh up.
Air or water in fuel system - Remove water or air from fuel system.
Defective spark plug wires - Inspect and replace if required.
Faulty spark plug - Clean, adjust gap or replace.
Dirty fuel filter - Replace fuel filter.
Safety contact for brake pedal defective - Install new part.
Carburetor malfunction - Check and repair as required.
Check starter cranking RPM. Test crankcase vacuum.

Gas engine starts hard

Faulty spark plug - Inspect the spark, replace if necessary.
Wrong carburetor adjustment - Adjusting carburetor correctly.
Dirt in fuel pipes - Clean fuel system components.
Choke cable damaged - Replacement required.
Stale or incorrect fuel - Drain and add quality fuel.
Electrical connections are damaged - Inspect and change.
Starter fault - Inspect the starter and change defective parts.

Engine stalling, surging or running rough

Cooling fins are clogged - Clean cooling fins.
Loose electrical contacts - Check and replace defective connections.
Ignition system problems - Check ignition and adjust if necessary.
Throttle cable sticks - Check and change if required.
Air cleaner blocked - Replace air cleaner.

Engine misses under load

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

John Deere E170 Engine overheating

Excessive engine load - Reduce loads.
Cooling fins or air inlet plugged - Clean clogged components.
Too much or too little oil - Check oil level. Test engine oil pressure.
Low quality engine oil - Change oil.
Check internal bearing clearance.
Fast idle speed - Adjust fast idle.

Engine doesn't idle speed

Spark plug is loose - Check spark plug gap.
Spark plug worn out - Inspect the spark, change if necessary.

Engine knocking

Stale fuel - Change fuel.
Engine overload - Reduce loads.
Oil level low - Add to required level.
Low engine speed - Adjust the speed.
Cylinder bore and rings are wear - Replace defective components.
Inspect for engine overheats from clogged cooling fins.
Check and adjust valve clearance.
Check for carbon build-up in combustion chamber.

Engine backfires

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

Engine lacks power

Engine overheating - Clean or replace air filter.
Excess engine oil - Excess oil needs to be drained.
Faulty fuel pump - Inspect and repair fuel pump.
Governor is damage - Repair or replace governor.
Inspect and repair carburetor.
Test engine compression.

Engine gets too much gas

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

Black exhaust smoke

Air cleaner element clogged - Clean or replace filter.
Throttle is partially engaged - Inspecting and adjusting throttle.
Check and adjust carburetor float level.

John Deere E170 Electrical System Troubleshooting

Starter motor will not turn engine

Main fuse malfunction - Check and change.
Battery terminals are corroded - Inspect and clean contacts.
Battery is discharged - Need to charge the battery.
Ignition lock defective - Installing new lock.
Starter is not working - Replace or repair.
Wires disconnected - Change wiring.

Battery doesn't charge

One or more battery cells dead - Replace the battery.
Battery cables and terminals are dirty - Inspect and Clean.

No Lights work

Light plug defective.
Replace light bulbs.
Wiring damaged.

JD E170 Machine Problems

Tractor vibrates excessively

Equipment driven belt worn out - Inspect and replace damaged belt.
Traction drive belt damage - Install new belt.
Dirt on drive sheaves - Clean the sheaves.
Mower blades malfunction - Balance the blades or replace.

Engine runs but tractor won't move

The parking brake is locked - Release the parking brake.
Bypass valve lever activated - Disengage the bypass valve lever.
Blade becomes loose - Inspect and fasten securely if necessary.
Improper blade balance - Check mower blade balancing.
Lack of oil in transmission - Add transmission oil.

John Deere E170 Lawn Mower Troubleshooting

Plugged discharge chute

Speed too high - Choose recommended speed.
Grass too long - Adjusting cutting height.
Grass too wet - Wait for the grass to dry.
Engine rpm too low - The choke is not fully opening.
Airflow restriction - Set higher revs.
Low cutting height - Adjust to higher cutting.
Belt fitted improperly - Install the belt correctly.

Uncut grass during operation

Cutting deck clogging - Deck cleaning required.
Defective blade - Inspect and fit new blade if required.
Deck level is too low - Level mower deck.
Grass bagger overfilled - Empty bagger.
Traveling too fast - Need to reduce speed.

Belt Slipping

Pulley is dirty - Clean or replace.
Belt is loose - Install new belt.
Belt tension is incorrect - Check and adjusting belt tension.

Too much mower vibration

Debris in pulleys or in mower deck - Remove clogging from mower deck or sheaves.
Worn belt or sheave - Change defective parts.
Belt or sheaves out of centering - Check and align.
Incorrect blade balancing - Blades need balancing.

Blades scalping grass

Wrong cutting height - Set the proper cutting height.
Mower rollers height wrong - Adjust rear or front wheel height.
Tire pressure is uneven - Increase tire pressure.
Faster mower blade speeds - Blade speed required.
Bent blades during operation - Remove bent blade and fit new one.

Uneven Cut

Deck level is too low - Deck leveling required.
Tires inflated insufficient - Check and inflate the tires.
Wrong rollers position - Check wheel adjustment.
Traveling too fast - Choose recommended speed.
Mower blades blunt - Inspect and fit new blade if required.

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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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