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Husqvarna CT135 Troubleshooting
The
Husqvarna CT 135 lawn tractor was manufactured from 2002 to 2003. The components
of Husqvarna CT135 powerline system: a 30.5 cu.in (500 cc) Briggs and Stratton
31G777 Intek 4-cycle single cylinder OHV vertical shaft air-cooled gasoline
engine and Peerless 205-546 machanical transmission with 6 forward and 1 reverse
gears.
The engine has a cylinder bore of 3.56" (91 mm), piston stroke of 3.06"
(78 mm), and rated power of 17.5 hp (13 kW). The maximum travel speed
(forward and reverse): 4.7 mph (7.5 km/h) / 1.4 mph (2.3 km/h). The
Husqvarna CT 135 was equipped with a manual steering system, disc
brakes, 15x6.00-6 front tires, and 18x8.50-8 rear tires. The wheel base
is 46.9" (1190 mm).
The lawn tractor is compatible with a 36" mid-mount 2-blade side
discharge mower deck with cutting height of 1.5-4.0 in (38-102 mm), 6
cut positions, manual blade engagement, and mechanical lift system.
| Engine Troubleshooting |
| Engine hard to start or will not start |
| No fuel in fuel tank - Add fuel |
| Incorrect fuel grade - Use quality gasoline |
| Fuel system clogged - Repair or replace |
| Spark plug wiring connection is defective - Check spark plug wiring connection, repair or change |
| Defective spark plug - Install new spark plug |
| Dirty fuel filter - Install new filter |
| Safety contact for brake pedal defective - Install new part |
| Carburetor is dirty - Wash, clean and adjust |
| Low engine compression - Inspect cylinder block and change defective components |
| Throttle cable is adjusted improperly or worn - Adjust properly or replace the cable |
| Cooling fins are plugged - Need to clean or wash |
| Ignition system failure - Inspect ignition system and change failed components |
| Stuck or faulty throttle cable - Change or clean the cable |
| Air filter is dirty - Clean or change air filter |
| Clogged or defective fuel pump - Inspect fuel pump and change as required |
| Engine starts but immediately stops |
| Spark plug is damaged - Change spark plug as required |
| Clogged or faulty carburetor - Carburetor needs to be replaced or cleaned |
| Damaged ignition coil - Replace ignition coil as necessary |
| Broken or bad valve springs - Install new valve springs |
| Stuck valves - Valves need to be cleaned |
| Not enough engine oil - Fill up the engine oil |
| Excessive engine load - Load reducing required |
| Air intake screen is plugged - Need to clean or wash |
| Carburetor mixture is too lean - Make the correct settings |
| Wrong ignition timing - Ignition timing needs to be adjusted correctly |
| Wrong valve setting - Set the valves properly |
| Abnormal engine noise or knocking |
| Stale gasoline - Use correct fuel |
| Engine is under excessive load - Reduce engine load |
| Engine oil level is low - Check oil level and add oil as required |
| Too low idle RPM - Test and adjust |
| Dirty or faulty fuel pump - Inspect fuel pump and change as required |
| Crankshaft or main bearings are worn out - Change defective components as required |
| Valve clearance is improper - Need to adjust valve clearance |
| Worn cylinder bore or piston rings - Change faulty parts |
| Clogged or improperly adjusted carburetor - Service or correctly adjust carburetor |
| Air filter is dirty - Change or service air filter |
| Fuel pump is damaged or dirty - Check fuel pump and replace if necessary |
| Ignition system problems - Check ignition and replace faulty components |
| Cylinder head gasket is damaged - Replace the head gasket |
| Burned or stuck valves - Clean or replace valves |
| Worn or defective push rod - Replace push rod |
| Cylinder block components are damaged - Replace defective parts as required |
| Excessive fuel consumption |
| Throttle not fully open - Check throttle cable and adjust as required |
| Carburetor main jet adjustment is incorrect - Adjust the carburetor main jet correctly |
| Loose or faulty spark plug - Replace or tighten spark plug |
| Valves are worn, burned or stuck - Replace or clean valves |
| Sleeve, piston, or rings are damaged - Replace faulty components as required |
| Valve clearance is incorrect - Check and adjust |
| Excessive oil consumption |
| Damaged seals or gaskets - Defective components must be replaced |
| Worn valve guides and valve stems - Need to replace the valves |
| Piston rings are defective or worn - Install new piston rings |
| Scored piston or cylinder liner - Inspect piston and liner, fit new components as necessary |
| Breather hose or pipe is blocked - Clean or change |
| Transmission Troubleshooting |
| Hard shifting |
| Loose or broken gear shift linkage - Change defective shift linkage |
| Worn or bent gear shift forks - Replace defective shift forks |
| Worn parts of the gear shifting mechanism - Change worn parts |
| Transmission is excessively noisy |
| Insufficient fluid supply - Fill the transmission housing with fluid |
| Transmission oil contamination - Change the oil |
| Worn gears or damaged bearings - Replace gears or bearings |
| Transmission jumps out of gear |
| Bent or improperly installed shift lever - Install the lever properly or replace it |
| Gear teeth are worn or damaged - Replace defective gears |
| Worn shift rods or shift forks - Replace damaged rods or forks |
| Drive belt/shaft is damaged or incorrectly adjusted - Adjust belt/shaft or install a new one |
| Brake/clutch is incorrectly adjusted or faulty - Adjust or replace clutch/brake |
| Worn or defective drive pulley - Replace pulley |
| Mower Deck Troubleshooting |
| Mower vibrates excessively |
| Worn or dirty mower drive pulley - Service or replace pulley |
| Loose or defective drive belt - Adjust belt tension or replace belt |
| Mower blades are warped or not balanced - Balance or change as needed |
| Blade bolts are not tightened well - Bolts need to be tightened |
| Discharge chute is regularly plugged |
| Fast ground speed - Use a slower speed |
| Grass is too long - Adjust mower to lower cutting height |
| Engine is running at too low speed - Choke is not fully opening |
| Mower deck set to low cutting - Adjust mower to higher cutting height |
| Improper drive belt installation - Reinstall drive belt properly |
| Grass patches are not cut |
| Mower deck is clogged - Clean mower deck as required |
| Not sharp blades - Need a blade sharpening |
| Damaged or worn blades - Install new blades |
| Fast ground speed - Use a lower speed |
| Mower deck set to low cutting - Adjust mower to higher cutting height |
| Grass bag is full - Empty the grass bag |
| Bumpy or not smooth lawn - Level the lawn |
| Low cutting height - Use a higher cutting height |
| Mowing speed is too high - Operate at slower speed |
| Incorrect level of mower deck - Deck should be adjusted correctly |
| Blades are worn or bent - Change the blades |
| Low tire inflation - Inflate tires as required |
| Low tire pressure - Check and inflate the tires |
| Incorrectly leveled mower deck - Level the deck properly |
| Blades are excessively dull - Blades need to be sharpened |
| Worn or bent blades - Change the blades |
| Mower deck is clogged - Mower deck needs to be cleaned |
| Broken mower deck housing - Rebuild or change mower deck |
| Mower spindle is bent or loose - Repair or change the spindle |
| Electrical Troubleshooting |
| Battery won’t charge |
| Electrical wire connections are corroded or loose Service or tighten connections |
| Battery terminal clamps are faulty - Install new terminal clamps |
| Battery dead cell - Replace the battery |
| Starter motor cranks slow |
| Low battery voltage - Battery is drained, recharge it |
| Battery does not hold charge - Service charging system or replace battery |
| Battery terminals are corroded or wires are disconnected - Check wire connections and change or service terminals |
| Battery is drained or defective - Change or recharge battery |
| Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly |
| Low battery voltage - Battery needs to be recharged |
| Improperly gapped or dirty spark plug - Replace or clean and gap |
| Starter motor or solenoid is defective - Change solenoid or repair starter |
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| Lawn and Garden Tractors Technical Specs |
