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John Deere D105 Problems
John Deere D105 Engine Troubleshooting
Tractor engine does not start
Empty gas tank - Add gasoline.
Wrong fuel grade - Use quality gasoline.
Stale fuel - Drain fuel and add fresh.
Dirt and debris in fuel system - Remove debris and dirt.
Spark plug wire is loose or disconnected - Inspect and change if
necessary.
Spark plug damaged - Installing new spark plug.
Fuel filter is dirty - Fuel filter needs to be replaced.
Faulty safety switch - Change damaged switch.
Carburetor malfunction - Check and repair as required.
Inspect and adjust choke. Test compression.
Engine hard to start
Spark plug wear - Inspect the spark, change if necessary.
Carburetor settings incorrect - Adjusting as required.
Clogged fuel lines - Remove clogging from fuel pipes.
Throttle cable worn - Install new throttle cable.
Stale or improper gasoline - Fill in proper gasoline.
Loose or corroded electrical connections - Inspect and replace wiring as
needed.
Starter fault - Inspect the starter and change defective parts.
Engine runs unevenly
Cooling fins blocked - Clean and wash cooling fins.
Electrical connections damaged - Check and repair damaged connections.
Ignition adjust incorrect - Check ignition system and adjust as
required.
Choke cable sticks - Check and replace.
Air cleaner blocked - Clean air filter.
Engine runs but misses
Spark plug malfunction - Inspect spark plug wire.
Carburetor malfunction - Inspect and overhaul.
Ignition coil not working - Replace defective component.
Engine overheating
Engine overloaded - Reduce the load.
Air intake screen blocked - Clean and wash dirty components.
Too little or too much oil - Add or drain oil.
Improper engine oil viscosity - Change engine oil.
Check internal bearing clearance.
Fast idle speed - Adjust carburetor for slower idle speed.
Engine will not idle
Poor spark plug contact - Check spark plug gap.
Faulty spark plug - Check the spark and change defective spark.
JD D105 Engine knocks
Stale or low octane fuel - Change fuel.
Engine overloaded - Reduce the load.
Lack of engine oil - Add engine oil.
Engine is running at low revs - Adjust carburetor.
Piston rings and cylinder bore worn - Check cylinder bore and rings for
wear.
Check for engine overheating from plugged cooling fins.
Check and adjust valve clearance.
Checking for wear crankshaft or camshaft bearings.
Engine backfires
Checking spark plug.
Adjust or replace choke.
Check and adjust carburetor.
Checking and adjusting ignition coil air gap.
Check inlet and outlet valves.
Check and adjust valve clearance.
Inspecting flywheel key.
Engine does not develop full power
Engine overheating - Clean or replace air filter.
Excess engine oil - Remove excess oil.
Fuel pump is not working properly - Testing fuel pump output.
Governor is damage - Repair or replace governor.
Check carburetor float adjustment.
Checking engine compression.
Engine gets too much gas
Choke didn't open fully - Replace choke cable.
Carburetor is not adjusted - Adjust carburetor.
Emits black smoke
Air filter is dirty or oil soaked - Clean or replace filter.
Choke partially engaged - Inspecting and adjusting choke.
Inspect carburetor needle valve and seat for wear or damage.
John Deere D105 Electrical System
Troubleshooting
Starter doesn't work or will not turn engine
Blown fuse - Install new fuse.
Poor terminal connection - Clean contacts.
Battery not charged - Need to charge the battery.
Ignition switch defective - Replace switch.
Starter fault - Change the starter.
Wires disconnected - Replace wiring.
Battery doesn't charge
Faulty cell in battery - Change the battery.
Battery cables and terminals are dirty - Check and Clean.
Lighting does not function
Light connector defective.
lamp defective.
Wiring damaged.
JD D105 Machine Problems
Tractor vibrates excessively
Implements driven belt damaged or worn - Belt replacement required.
Traction drive belt worn - Install new belt.
Drive sheaves malfunction - if required.
Blades bent or out of balance - Change defective blades.
Engine runs but tractor won't move
The parking brake is locked - Unlock park brake.
Bypass valve lever activated - Deactivate the bypass valve.
Mower blades are loose - Check mower blades and fasten as required.
Poor blade balancing - Check blades for damage and balance as required.
Transmission oil is low - Topping up oil.
John Deere D105 Mower Deck Troubleshooting
Plugged discharge chute
Travel speed too fast - Choose recommended speed.
High grass - try operating a short cutting height.
Grass too wet - Wait until the grass dries.
Engine speed reduced - Engine speed must be increased.
Restricted air flow - Check engine speed.
Mower deck set to low cutting - Adjust to higher cutting.
Belt installed incorrectly - Check belt installation.
Patches of grass uncut
Debris in mower deck - Check cutting deck and clean if necessary.
Damaged blade - Inspect and fit new blade if required.
Mower deck low - Deck leveling required.
Grass bag overfilled - Empty the grass bag.
Speed is very fast - Use slower speed.
Belt Slipping
Sheave is dirty - Recommend cleaning the sheaves.
Belt is loose - Fit new belt.
Belt tension is incorrect - Belt tension needs to be adjusted.
The lawn mower vibrates excessively
Debris in sheaves or on mower deck - Clean deck and pulley from debris.
Worn belt or pulley - Change worn parts.
Belt or pulleys out of alignment - Inspect and align.
Improper blade balancing - Adjust blade balance.
Blades scalp grass
Wrong cutting height - Set the correct cutting height.
Mower rollers height wrong - Adjust wheel heights correctly.
Low tire inflation - Inflate tires as required.
Higher blade speed - Adjust the blade speed.
Bent blades during operation - Replace blades.
Uneven cutting results
Mower deck low - Level mower deck.
Tires inflated insufficient - Check and inflate the tires.
Wrong rollers position - Adjust mower deck wheels.
Gear too high - Operate the mower at low speed.
Blades worn - Install new blade.
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- ALL JD MODELS
- John Deere 425 Troubleshooting
- John Deere 445 Troubleshooting
- John Deere D100 Troubleshooting
- John Deere D110 Troubleshooting
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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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