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John Deere 135 Tractor Troubleshooting

John Deere 135 Engine Troubleshooting

Tractor engine starting problems

No fuel in fuel tank - Fill it up.
Incorrect fuel grade - Use correct gasoline grade.
Stale gas - Drain fuel and add fresh.
Dirty fuel system - Check and clean.
Spark plug wires are damaged - Inspect and change if necessary.
Spark plug not working - Change as required.
Plugged fuel filter - Install new filter.
Brake pedal not depressed - Press the brake pedal.
Carburetor is not adjusted - Check carburetor float adjustment.
Inspect and adjust throttle cable. Test crankcase vacuum.

Gas engine hard to start

Spark plug wear - Test spark and change as required.
Carburetor components worn out - Repair or replace parts.
Clogged fuel pipes - Servicing fuel system.
Choke cable damaged - Replacement required.
Stale or incorrect gasoline - Drain and add proper fuel.
Loose or corroded electrical connections - Checking and replace wiring if necessary.
Failing starter - Check starter, repair or replace.

Rough running engine

Plugged cooling fins - Remove dirt from cooling fins.
Loose electrical connections - Check and restore defective connections.
Ignition system problems - Check ignition system and adjust as required.
Choke cable sticking - Repair or change as needed.
Air cleaner dirty - Clean air filter.

Engine stops or misses

Spark plug worn out - Test spark plug.
Carburetor defective or not adjusted - Repair or adjust.
Ignition coil defective - Test ignition coil and replace if necessary.

JD 135 Engine overheats

Engine runs under excessive load - Reduce the load.
Cooling fins or air inlet plugged - Clean and wash dirty components.
Too much or too little oil - Add or drain oil.
Low quality engine oil - Change engine oil.
Check connecting rod to crankshaft bearing clearance.
Fast idle speed - Adjust fast idle.

Engine doesn't idle speed

Spark plug is loose - Adjust spark plug gap.
Spark plug fail - Inspect the spark, replace if necessary.

Engine knocks

Low octane fuel - Change gasoline.
Engine overload - Reduce the load.
Lack of engine oil - Add to required level.
Engine speed too low - Adjust carburetor.
Cylinder bore and rings are wear - Inspect cylinder bore or rings for worn.
Check for engine overheating from plugged cooling fins.
Check and adjust valve clearance.
Check for loose or worn connecting rods.

JD 135 Engine backfires

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

Loss of power

Engine overheating - Clogged air filter element.
Excess engine oil - Excess oil needs to be drained.
Fuel pump broken - Inspect and repair fuel pump.
Governor is damage - Inspect and repair governor.
Check and overhaul carburetor.
Check engine compression.

Engine using too much gasoline

Insufficient choke opening - Check throttle cable.
Carburetor problems - Check and adjust carburetor.

Black smoke is emitted during operation

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

JD 135 Electrical System Troubleshooting

Starter does not run

Fuse is defective - Fit new fuse.
Poor terminal connection - Inspect and clean contacts.
Weak battery - Battery charging required.
Ignition lock problems - Change switch.
Damaged starter - Change the starter.
Wires disconnected - Change wiring.

Battery will not charge

Battery cells fails - Change the battery.
Poor contact between cable and battery pole - Clean or change cable.

No Lights work

Light plug defective.
lamp does not work.
Wiring short circuit.

John Deere 135 Machine Problems

Tractor vibrates excessively

Equipment driven belt worn out - Belt replacement required.
Traction drive belt worn - Check and replace belt.
Drive sheaves malfunction - if required.
Mower blades malfunction - Replace damaged blades.

Machine does not move while engine is running

Parking brake locked - Unlock park brake.
Bypass valve pulled out - Set bypass valve to the off position.
Mower blade could be loose - Inspect and fasten securely if necessary.
Improper blade balance - Balance the blades correctly.
Low transmission oil - Pour oil as required.

John Deere 135 Lawn Mower Troubleshooting

Discharge Chute Clogged

Lawn mower is driving too fast - Use slower speed.
Grass Too Tall - Adjusting cutting height.
The grass is wet - Do not mow when grass is wet.
Engine speed reduced - The choke is not fully opening.
Loss of airflow - Adjust to high revs.
Low cutting height - Use higher cutting.
Improper belt installation - Install the belt correctly.

Uncut grass during operation

Debris in cutting deck - Mower deck needs cleaning.
Blades dull or damaged - Inspect and fit new blade if required.
Mower deck low - Leveling the mower deck.
Grass bag too full - Empty the grass bag.
Speed too high - Choose recommended speed.

Belt slips

Dirt in the pulley - Pulley cleaning required.
Drive belt damage - Check and change damaged belt.
Belt tension problems - Check and adjusting belt tension.

John Deere 135 Mower vibrates

Debris in pulleys or in mower deck - Remove debris from deck or pulley.
Damaged sheaves or belt - Replace damaged parts.
Belt or sheaves no adjustment - Inspect and align.
The blades are unbalanced - Adjust blade balance.

Blade strips grass

Cutting height improper - Raise cutting height.
Mower wheels not adjusted correctly - Adjust wheel heights correctly.
Low tire inflation - Inflate tires as required.
Faster mower blade speeds - Balance mower speed.
Bent blades during operation - Install new blades.

Uneven Cut

Mower deck low - Deck leveling required.
Tire pressure unequal - Increase tire pressure.
Rollers not positioned properly - Check rollers adjustment.
Travel speed too high - Choose recommended speed.
Blades dull - 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