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John Deere LA175 Lawn Tractor Problems

John Deere LA175 Engine Troubleshooting

Briggs and Stratton engine doesn't start

Empty fuel tank - Add gasoline.
Wrong grade of gasoline - Use correct fuel grade.
Old gas - Drain fuel and add fresh.
Fuel system clogged - Repair or replace.
Defective spark plug wires - Inspect and replace if required.
Spark plug not working - Replace as required.
Fuel filter is dirty - Change fuel filter.
Faulty safety switch - Change damaged switch.
Carburetor malfunction - Check and repair as required.
Inspect and adjust throttle cable. Check and adjust valve clearance.

Gas engine hard to start

Faulty spark plug - Test spark and change as required.
Carburetor is dirty - Wash, clean and adjust.
Fuel pipes are clogged - Clean the system carefully.
Throttle cable is not adjusted correctly - Check and adjust.
Old or incorrect fuel - Fill in proper fuel.
Loose or corroded electrical connections - Check and replace.
Starter fault - Check starter, repair or replace.

Engine runs roughly

Cooling fins blocked - Clean and wash cooling fins.
Electrical connections damaged - Check and replace defective connections.
Ignition adjust incorrect - Check ignition and adjust if necessary.
Throttle cable sticks - Check and change if required.
Air filter dirty - Clean or replace the air filter.

Engine misses under load

Faulty spark plug - Check spark plug for fouled condition and proper gap.
Carburetor defective or not adjusted - Repair or adjust.
Ignition coil not working - Replace defective component.

Briggs and Stratton engine overheating

Excessive engine load - Reduce the load.
Air intake screen clogged - Clean clogged components.
Engine oil low or too high - Check oil pump for wear or damage.
Low quality engine oil - Change engine oil.
Check internal bearing clearance.
Too Fast idle - Adjusting fast idle speed.

Engine doesn't idle speed

Spark plug not gapped correctly - Tighten the spark plug correctly.
Spark plug wear - Inspect the spark, change if necessary.

Engine knocking

Stale gasoline - Use proper gasoline.
Excessive engine load - Reduce the load.
Oil level low - add oil as required.
Engine runs at low revs - Adjust the speed.
piston rings or cylinder bore damaged - Inspect cylinder bore or rings for worn.
Inspect for engine overheats from clogged cooling fins.
Inspect and adjusting crankshaft end play.
Check for worn crankshaft or camshaft bearings.

Briggs and Stratton engine back-fire

Check spark plug for fouled.
Adjust or replace choke.
Check and adjust carburetor.
Checking and adjusting ignition coil air gap.
Inspect inlet and outlet valves.
Check and adjust valve clearance.
Checking flywheel key.

Engine loses power

Engine temperature too high - Clogged air filter element.
High engine oil - Remove excess oil.
Fuel pump problems - Repair or replace fuel pump.
Defective governor - Repair or replace governor.
Check and overhaul carburetor.
Test engine compression.

Engine uses too much fuel

Choke didn't open fully - Replace choke cable.
Carburetor problems - Adjust or repair carburetor.

Exhaust with black smoke

Air cleaner element clogged - Clean or change filter.
Choke not fully engaged - Inspect and adjust throttle.
Check and adjust carburetor float level.

John Deere LA175 Electrical Troubleshooting

Starter does not run

Main fuse malfunction - Check and change.
Battery contacts are corroded - Inspect and clean contacts.
Low charging voltage - Charge the battery.
Ignition lock is damaged - Installing new lock.
Damaged starter - Install new starter.
Electrical wires are damaged - Replace wiring.

Battery does not charge

Faulty cell in battery - Fit new battery.
Battery cables and terminals are dirty - Clean or change cable.

Lighting does not function

Headlight wire connector disconnected - Connect correctly.
Loose or burned out bulb - Replace.
Short circuit in electrical wires - Replace burnt wires.

John Deere LA175 Mechanical Troubleshooting

Excessive tractor vibration

Implements driven belt damaged or worn - Inspect and replace damaged belt.
Traction drive belt damage - Inspect and replace traction belt.
Drive pulley is dirty - Change if necessary.
Unbalancing or bending of blades - Change as needed.

The engine is running but tractor is not moving

Parking brake locked - Release the parking brake.
Bypass valve lever activated - Deactivate the bypass valve.
Mower blade could be loose - Checking blades for loose bolts.
Blades are unbalanced - Check mower blade balancing.
Transmission oil is insufficient - Pour oil as required.

John Deere LA175 Mower Deck Problems

Plugged discharge chute

Traveling too fast - Use slower speed.
Too high grass for mowing - Adjust cutting height.
Grass too wet - Wait for the grass to dry.
Engine rpm reduced - Engine speed must be increased.
Airflow restriction - Check engine rpm.
Low cutting height - Choose the correct cutting height.
Belt is loose - Fit belt correctly.

Streaking of uncut grass

Mower's cutting deck is clogged - Need to clean the mower deck.
Defective blade - Install new blade.
Deck level is too low - Deck leveling required.
Grass bag too full - Empty the grass bag.
Speed is very high - Operate the mower at low speed.

Belt Slipping

Dirt in the pulley - Clean or replace.
Drive belt wear - Inspect and replace worn belt.
Belt tension problems - Check and adjusting belt tension.

Mower vibrates

Debris in pulleys or in mower deck - Clean deck and pulley from debris.
Worn belt or pulley - Change worn parts.
Misaligned belt or pulley - Inspect and align.
Incorrect blade balancing - Balance blades correctly.

Blades scalping grass

Wrong cutting height - Check and adjust height.
Mower wheel height incorrect - Adjust mower deck wheels.
Tire pressure is uneven - Tire pressure required.
Blades speed too fast - Adjust the speed of blades.
Blades are bent - Install new blades.

Uneven Cut

Mower deck not leveled properly - Adjust and level the deck height.
Tire pressure uneven - Need to inflate tires.
Incorrect wheel height - Check the rollers heights.
Speed too high - Choose recommended speed.
Blades worn - 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