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John Deere X146R Tractor Problems

John Deere X146R Engine Troubleshooting

Engine not starting

Gas tank is empty - Add gasoline.
Improper fuel grade - Change gasoline.
Old gasoline - Drain fuel and fill up fresh.
Clogged fuel system - Remove clogging.
Spark plug defective - Inspect and replace if required.
Spark plug damaged - Test ignition spark.
Fuel filter is dirty - Fuel filter needs changing.
Defective safety switch - Replace if required.
Carburetor is not working properly - Inspect and adjust.
Check and adjust governor linkage. Check the Valves and Compression System.

Gas engine long starting

Spark plug malfunction - Test spark and change as required.
Carburetor is dirty - Wash, clean and adjust.
Dirt in fuel pipes - Remove clogging from fuel pipes.
Throttle cable is not adjusted correctly - Check and adjust.
Stale or improper gasoline - Fill in correct fuel.
Loose or corroded electrical connections - Inspect and change wires if required.
Starter problems - Inspect the starter and change defective parts.

Engine stalling, surging or running rough

Clogged cooling fins - Clean and wash cooling fins.
Electrical connections damaged - Inspect and replace defective contacts.
Ignition system problems - Inspect spark plug and ignition system.
Choke cable sticking - Repair or replace.
Air cleaner blocked - Clean air filter.

John Deere X146R Engine stops or misses

Faulty spark plug - 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.

Engine overheating

Engine runs under excessive load - Reduce the load.
Air intake screen clogged - Clean and wash dirty components.
Engine oil high or too low - Checking oil level and oil pressure.
Low quality engine oil - Change engine oil.
Inspect crankshaft to main bearing clearance.
Idle speed problems - Adjust fast idle.

Engine doesn't idle speed

Poor spark plug contact - Check spark plug gap.
Spark plug fail - Check the spark and change defective spark.

Engine knocking

Stale gasoline - Change gasoline.
Engine overload - Reduce loads.
Lack of engine oil - Add engine oil.
Engine speed too low - Adjust carburetor as needed.
Piston rings and cylinder bore are wear - Check cylinder bore and rings for wear.
Inspect for engine overheats from clogged cooling fins.
Inspect and adjusting crankshaft end play.
Check for carbon build-up in combustion chamber.

JD X146R Engine backfires

Checking spark plug.
Inspect and adjust choke.
Test carburetor, adjust if necessary.
Inspect and adjust ignition coil air gap.
Check for sticking valves.
Test valve clearance, adjusting if necessary.
Checking flywheel key.

Insufficient engine power

Engine overheats - Change air filter.
Too much oil in engine - Excess oil must be drained.
Fuel pump is not working properly - Check fuel pump and replace if required.
Governor not work - Repair or replace governor.
Inspect and repair carburetor.
Checking engine compression.

Excessive Fuel Consumption

Insufficient throttle opening - Inspect choke cable.
Incorrect carburetor adjustment - Check carburetor float adjustment.

Black smoke is emitted during operation

Air cleaner element clogged - Check and clean.
Choke partially engaged - Inspect and adjust throttle.
Inspect carburetor needle valve and seat for wear or damage.

John Deere X146R Electrical Troubleshooting

Starter does not function

Blown fuse - Installing new fuse.
Terminals are severely corroded and heat up - Clean terminals.
Battery not charged - Charge the battery.
Ignition lock problems - Replace switch.
Starter fault - Install new starter.
Wiring disconnected - Reconnect wires.

Battery doesn't charge

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

No Lights work

Light connector defective.
lamp does not work.
Short-circuit in cable.

JD X146R Mechanical Troubleshooting

Tractor vibrates too much or rattles excessively

Implements driven belt damaged or worn - Belt replacement required.
Traction drive belt worn - Check and change worn belt.
Drive pulley is dirty - Change if necessary.
The mower deck blades are bent or unbalanced - Balance the blades or replace.

Engine runs but tractor won't move

Parking brake locked - Release the parking brake.
Bypass valve lever is engaged - Disengage the bypass valve lever.
Loose lawnmower blades - Tighten mower blades.
Incorrect blade balancing - Balance the mower blades correctly.
Transmission oil is low - Pour oil as required.

John Deere X146R Lawnmower Problems

Discharge Chute Plugged

Ground speed too fast - Use slower speed.
Grass Too Tall - Adjust the mower to a lower cutting height.
Wet grass - Don't mow while wet grass.
Engine runs at low revs - Open throttle fully.
Lack of air flow - Adjust to high revs.
Cutting too low - Adjust cutting settings.
Belt is loose - install belt as required.

Lawn mower leaving uncut grass

Clog in discharge area - Need to clean the mower deck.
Defective blade - Check and replace the blade.
Deck too low - Leveling the mower deck.
Grass bag too full - Empty the grass bag.
Ground speed too fast - Use slower speed.

Belt slips

Dirt in the sheaves - Pulley cleaning required.
Drive belt wear - Check and change damaged belt.
Belt tension improper - Check belt tension.

Too much mower vibration

Debris in sheaves or on mower deck - Remove debris from deck or pulley.
Mower belt or sheave damaged - Change defective parts.
Belt or sheaves out of centering - Inspect and adjust.
Improper blade balancing - Balance blades correctly.

Blade strips grass

Incorrect height cutting - Raise cutting height.
Mower wheel height incorrect - Adjust wheel heights correctly.
Low tire inflation - Inflate tires as required.
Faster mower blade speeds - Balance mower speed.
Blades are bent - Remove bent blade and install new one.

Uneven Cut

Mower deck low - Leveling the mower deck.
Low tire inflation - Tire pressure required.
Incorrect wheel height - Check the rollers heights.
Ground speed too fast - Operate the mower at low speed.
Mower blade bent or worn - Install 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