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John Deere LT160 Problems

John Deere LT160 Engine Troubleshooting

Engine starting problems

Empty fuel tank - Fill fuel up.
Incorrect fuel grade - Change fuel.
Old gasoline - Drain gasoline and add fresh.
Fuel system clogged - Repair or replace.
Spark plug wire is loose or disconnected - Check wires connection.
Faulty spark plug - Clean, adjust gap or replace.
Clogged fuel filter - Change fuel filter.
Faulty safety switch - Change damaged switch.
Carburetor problems - Carburetor diagnostics required.
Inspect and adjust choke. Test compression.

Engine hard starting

Spark plug worn out - Test spark and change as required.
Carburetor incorrectly set - Set carb correctly.
Clogged fuel lines - Service required.
Worn throttle cable - Replace as required.
Stale or incorrect fuel - Drain and add proper gasoline.
Loose or corroded electrical connections - Inspect and replace wiring as needed.
Starter fault - Test starter and repair if necessary.

Engine runs unevenly

Cooling fins plugged - Remove dirt from cooling fins.
Electrical connections damaged - Inspect and replace defective contacts.
Incorrect ignition settings - Inspect spark plug and ignition system.
Throttle cable sticking - Repair or change as needed.
Air cleaner blocked - Change air cleaner.

Engine misses under load

Faulty spark plug - 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.

Engine overheating

Excessive engine load - Reduce the load.
Air intake screen blocked - Clean dirty components.
Engine oil high or too low - Checking oil level and oil pressure.
Incorrect engine oil viscosity - Change engine oil.
Check internal bearing clearance.
Too Fast idle - Adjusting fast idle speed.

Engine does not idle

Spark plug is loose - Check spark plug gap.
Spark plug fail - Test spark and change as required.

JD LT160 Engine knocking

Stale gasoline - Change gasoline.
Engine overloaded - Reduce loads.
Oil level low - Add to required level.
Low engine speed - Adjust carburetor.
Piston rings and cylinder bore worn - Replace defective components.
Check for engine overheating from plugged cooling fins.
Check and adjust valve clearance.
Checking for wear crankshaft or camshaft bearings.

Engine back-fire

Check spark plug for fouled.
Adjust or change the choke.
Check and adjust carburetor.
Check and adjust ignition coil air gap.
Check inlet and outlet valves.
Check valve clearance, adjust if required.
Check flywheel key.

Engine does not develop full power

Engine temperature too high - Clogged air filter element.
Too much oil in engine - Excess oil needs to be drained.
Fuel pump is not working properly - Testing fuel pump output.
Governor is damage - Repair or replace governor.
Inspect carburetor for plugged passages.
Test engine compression.

Engine using too much gasoline

Throttle did not open fully - Replace choke cable.
Incorrect carburetor adjustment - Check carburetor float adjustment.

Black smoke is emitted during operation

Air cleaner is dirty or oiled - Clean or change filter.
Throttle is partially engaged - Replace or repair choke.
Check for correct main jet for elevation.

JD LT160 Electrical System Troubleshooting

Starter does not function

Blown main fuse - Check and change.
Battery contacts are corroded - Inspect and clean terminals.
Low-voltage battery - Charge the battery.
Ignition lock is damaged - Installing new lock.
Starter is not working - Replace or repair.
Wiring damage - Connect wires.

Battery does not charge

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

No Lights work

Light plug not connected.
Bulbs defective.
Inspect electrical wires for short- circuit.

John Deere LT160 Machine Troubleshooting

The machine vibrates

Attachment driven belt worn or damaged - Belt replacement required.
Traction drive belt worn - Installing new driven belt.
Drive sheaves malfunction - Replace if necessary.
Cutting blade loose or unbalanced - Change as needed.

Machine does not move while engine is running

The parking brake is locked - Release the park brake.
Bypass lever is on - Deactivate the bypass valve.
Loose lawnmower blades - Tighten mower blades.
Poor blade balancing - Check blade balancing.
Transmission oil is low - Topping up oil.

John Deere LT160 Lawn Mower Problems

Discharge Chute Plugged

Lawn mower is driving too fast - Use slower speed.
Grass too long - Adjust cutting height.
Grass too wet - Wait until the grass dries.
Engine rpm reduced - Adjust carburetor to higher rpm.
Lack of air flow - Adjust to high revs.
Lack of cutting height - Adjust cutting settings.
Belt installed incorrectly - Reinstall the belt properly.

Uncut grass during operation

Debris in mower deck - Mower deck needs cleaning.
Damaged or worn blade - Install new blade.
Mower deck low - Level mower deck.
Grass bag too full - Clean grass bag.
Speed is very high - Need to reduce speed.

Belt slips

Sheave is dirty - Pulley cleaning required.
Belt is loose - Fit new belt.
Belt tension improper - Check belt tension.

The lawn mower vibrates excessively

Debris in mower deck or in pulleys - Clean sheave and deck from clogging.
Belt or pulley faulty - Change defective parts.
Belt or sheaves out of centering - Check and centering.
No blade balance adjustment - Blade balance required.

Blades scalping grass

Wrong cutting height - adjust cutting height.
Mower rollers not adjusted improperly - Check wheel adjustment.
Insufficient tire pressure - Check and inflate the tires.
High blade speed during mowing - Correct blades speed.
Blades are bent - Replace blades.

Uneven Cut

Deck level is too low - Checking and adjust deck height.
Insufficient tire pressure - Need to inflate tires.
Rollers not positioned properly - Adjust mower deck wheels.
Ground speed too fast - Need to reduce speed.
Mower blades dull - Inspect and fit new blade if required.

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