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Craftsman GT6000 Troubleshooting
The
Craftsman GT6000 is a garden tractor from AYP built. This model was manufactured
between 1991 and 1997. The tractor could be equipped with five engine options:
Kohler MV18S gasoline engine with a rated power of 18 Hp (13.4 kW), Kohler MV20S
gasoline engine with a rated power of 20 Hp (14.9 kW), Kohler Magnum M20QS
gasoline engine with a rated power of 20 Hp (14.9 kW), Kohler Command CV20S
gasoline engine with a rated power of 20.5 Hp (15.3 kW), or Briggs and Stratton
422707 gasoline engine with a rated power of 18 Hp (13.4 kW).
The Craftsman GT6000 is fitted with a 2 transmission options: gear
transmission with 6 forward and 2 reverse gears, or Hydro Gear
hydrostatic transmission with infinite forward and reverse gears. The
maximum forward speed - 5.6 mph (9 kph), maximum reverse speed - 2.5 mph
(4 kph). The Craftsman GT6000 tractor is equipped with a manual
steering, mechanical disc brakes, 16x7.50-8 front tires, and 23x10.50-12
rear tires. The tractor is compatible with the following attachments: a
42" mid-mount 2-blade mower deck, and 44", 46" or 50" mid-mount 3-blade
mower decks.
Engine Troubleshooting |
Engine hard to start or doesn't start |
Gas tank is empty - Add fuel |
Incorrect fuel grade - Use quality gasoline |
Clogged fuel system - Remove clogging |
Defective wiring connection of spark plug - Check the spark plug wire connection, repair or replace |
Spark plug is damaged - Spark plug need to be replaced |
Plugged fuel filter - Change fuel filter |
Brake pedal not pushed down - Push the brake pedal down |
Carburetor incorrectly set - Set carb correctly |
Poor engine compression - Check cylinder block and replace damaged components |
Worn or improperly adjusted choke cable - Replace cable or adjust properly |
Cooling fins are clogged - Need to clean or wash |
Ignition system failure - Check ignition and replace faulty components |
Stuck or faulty choke cable - Service or change the cable |
Dirty air filter element - Change or clean air filter |
Fuel pump is faulty or clogged - Check fuel pump and change if required |
Faulty spark plug - Replace spark plug |
Clogged or defective carburetor - Service or change carburetor |
Ignition coil is defective - Install a new ignition coil |
Valve springs are loose or broken - Valve springs need to be changed |
Stuck valves - Valves must be cleaned |
Engine oil level is low - Fill up the oil to required level |
Excessive engine load - Load reducing is recommended |
Clogged cooling fins - Wash or clean as required |
Carburetor mixture is too lean - Use proper settings |
Ignition timing is incorrect - Set the ignition timing correctly |
Incorrect valve setting - Set the valves properly |
Low octane fuel - Use correct gasoline |
Engine is overloaded - Reduce engine load |
Engine oil level low - Add oil to the engine crankcase |
Low idle speed set incorrectly - Correct the settings |
Clogged or damaged fuel pump - Clean or replace fuel pump |
Crankshaft or main bearings are worn out - Install new parts as as required |
Valve clearance is incorrect - Check and adjust |
Cylinder bore or piston rings are damaged - Replace faulty parts |
Carburetor is incorrectly adjusted or clogged - Service or correctly adjust carburetor |
Air filter element is clogged - Service or change air filter |
Dirty or damaged fuel pump - Test fuel pump and replace if necessary |
Ignition system problems - Inspect ignition system and change failed components |
Cylinder head gasket is blown - Install new cylinder head gasket |
Valves are burned or stuck - Service or change valves |
Push rod is worn or bent - Push rod needs to be changed |
Worn cylinder block parts - Replace defective components as required |
Engine uses too much fuel |
Choke is not fully open - Check choke cable and adjust it |
Carburetor main jet adjustment is incorrect - Adjust it properly |
Loose or faulty spark plug - Tighten or replace spark plug |
Stuck, worn, or burned valves - Clean or replace valves |
Sleeve, rings, or piston are damaged - Replace defective components as required |
Improper valve clearance - Adjust valve clearance according to specifications |
Gaskets or seals can be faulty - To repair leaks, replace worn parts |
Worn valve stems and valve guides - Valves must be replaced |
Stuck or worn piston rings - Have piston rings replaced |
Worn cylinder liner or piston - Check liner and piston, install new components as required |
Breather pipe or hose is clogged - Clean or change |
Transmission Troubleshooting |
Hard shifts |
Stuck or damaged gear shift linkage - Replace or repair the shift linkage |
Worn or damaged gear shift forks - Change defective shift forks |
Worn parts of the gear shifting mechanism - Change worn parts |
Transmission makes excessive noise |
Transmission oil insufficient - Fill up the transmission oil |
Transmission fluid contamination - Change transmission fluid |
Worn gears or damaged bearings - Replace faulty parts |
Transmission jumps out of gear |
Damaged or improperly installed shifting lever - Install the lever correctly or replace it |
Gear teeth are damaged or worn - Install new gears |
Faulty shift rods or shift forks - Change defective forks or rods |
Drive shaft/belt is damaged or improperly adjusted - Adjust or change belt/shaft |
Improper clutch/brake adjustment or faulty clutch/brake - Install a new brake/clutch or adjust it |
Drive pulley is damaged or worn - Install a new pulley |
Hydrostatic Transmission Troubleshooting |
Hydrostatic transmission is excessively noisy |
Bent or unadjusted speed control pedal linkage - Repair or adjust linkage |
Excessive transmission load - The load should be reduced |
Low transmission oil level or contaminated oil - Add oil to proper level or pour fresh transmission oil |
Damaged or worn components of hydrostatic transmission - After disassembly and inspection, replace defective components |
Loose or broken shift linkage - Change defective linkage |
Blocked or faulty hydrostatic pump - Repair or replace pump |
Faulty or misadjusted transmission shift control parts - Adjust properly or change |
Transmission fluid level is low - Fill the transmission housing to proper fluid level |
Drive sheave is defective or worn - Replace sheave |
Faulty or unadjusted shifting linkage - Replace or adjust linkage |
Speed control linkage is defective or unadjusted - Adjust or change linkage |
Transmission gaskets or seals are worn - Seals and gaskets need to be replaced |
Final drive shaft is leaking - Shaft seals need to be changed |
Transmission housing is cracked - Housing needs to be replaced |
Mower Deck Troubleshooting |
Mower vibrates too much |
Worn or dirty mower drive pulley - Clean or replace pulley |
Loose or worn drive belt - Install a new belt or adjust belt tension |
Mower blades are not balanced or warped - Balance or change blades |
Blade mounting bolts are loose - Bolts need to be tightened |
Constant clogging of discharge chute |
Ground speed is too fast - Use a lower speed |
Long grass - Need to set low cutting height |
Engine is running at too low speed - Adjust carburetor to higher rpm |
Mower deck set to low cutting - Need to set high cutting height |
Drive belt installed improperly - Reinstall drive belt properly |
Mower leaving random uncut of grass |
Deck is plugged with grass - Check cutting deck and clean as necessary |
Blades are excessively dull - Sharpen the blades |
Blades are defective or worn - Install new blades |
High ground speed - Use a slower speed |
Cutting height is too low - Need to set high cutting height |
Bagger is overfilled - Empty the bagger |
Blades are scalping the grass |
Lawn is uneven or bumpy - Level the lawn |
Cutting level is too low - Raise the cutting height |
Fast ground speed - Use a slower speed |
Incorrectly leveled mower deck - Deck should be adjusted correctly |
Bent or worn blades - Install new blades |
Low tire inflation - Inflate tires as required |
Mower deck to cut unevenly |
Tires are not correctly inflated - Inflate tires as required |
Improper mower deck level - Level the deck correctly |
Excessive blade dullness - Sharpen the blades |
Damaged or worn blades - Replace the blades |
Deck clogged with grass clippings - Inspect and clean cutting deck |
Deck housing is broken - Rebuild or change mower deck |
Bent or loose mower spindle - Repair or change the spindle |
Electrical Troubleshooting |
Battery is not charging |
Corroded or loose wire connections - Tighten or service cable connections |
Defective battery terminal connectors - Replace terminal connectors |
Battery is worn - Install a new battery |
Battery voltage is low - Charge the battery |
Battery will not hold charge - Battery needs to be serviced or replaced |
Disconnected battery cables or bad terminals - Check cable connections and change or clean terminals |
Battery is drained or worn - Charge or replace the battery |
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly |
Battery voltage is low - Battery is drained, charge it |
Spark plug worn or incorrectly gapped - Clean, gap or change spark plug |
Starter motor or solenoid is damaged - Change solenoid or repair starter |
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Lawn and Garden Tractors Technical Specs |