________________________________________________________________________________________
Craftsman LT1000 Troubleshooting
The
Craftsman LT1000 lawn tractor was manufactured by AYP built between 2001 and
2004. The tractor can be equipped with the following models of gasoline engines:
Briggs and Stratton 311707 Intek engine with a rated power of 19 hp (14.1 kW),
Briggs and Stratton 31C707 engine with a rated power of 17.5 hp (13 kW), Kohler
Command CV461 engine with a rated power of 16 hp (11.9 kW), or Kohler Command
CV490 engine with a rated power of 17 hp (12.7 kW).
The lawn tractor is fitted with a three types of transmission. Type 1:
Hydro-Gear 322-0510 belt-driven hydrostatic transmission. Type 2:
6-speed Dana D4360 belt-driven gear transmission. Type 3: 6-speed
Peerless 206-545 belt-driven gear transmission. The maximum forward
speed - 5.4 mph (8.7 km/h), maximum reverse speed - 2.7 mph (4.3 km/h).
The Craftsman LT1000 tractor is equipped with a manual steering, disc
brakes, 15x6.00-6 front tires, and 18x9.50-8 rear tires. Compatible
attachments for the tractor: a 42" mid-mount 2-blade mower deck with
mechanical lift system, a 42" front blade, and 40" front-mount two-stage
snow blower with a mechanical lift system.
| Engine Troubleshooting |
| Engine will not start or hard to start |
| Fuel tank is empty - Fill it up |
| Wrong fuel grade - Change fuel |
| Water or air in fuel system - Remove air or water from system |
| Spark plug wiring connection is damaged - Check spark plug wiring connection, repair or change |
| Spark plug is defective - Change spark plug as required |
| Fuel filter is clogged - Install new filter |
| Faulty safety switch - Change damaged switch |
| Carburetor is clogged - Clean the carburetor |
| Low cylinder compression - Check cylinder block and replace worn parts |
| Worn or unadjusted choke cable - Change cable or adjust properly |
| Plugged cooling fins - Wash or clean as required |
| Ignition failure - Inspect ignition system and change failed components |
| Faulty or stuck choke cable - Replace or service the cable |
| Air filter element is plugged - Replace or service air filter |
| Fuel pump is defective or dirty - Check fuel pump and replace if necessary |
| Engine starts and immediately shuts off |
| Damaged spark plug - Spark plug need to be replaced |
| Clogged or faulty carburetor - Clean or change carburetor |
| Ignition coil is faulty - Change ignition coil as required |
| Worn or loose valve springs - Replace valve springs |
| Valves sticking - Clean the valves |
| Engine oil level is insufficient - Need to add engine oil |
| Engine is overloaded - Reduce engine load |
| Cooling fins are blocked - Clean and wash as required |
| Too lean carburetor mixture - Make the correct settings |
| Wrong ignition timing - Ignition timing needs to be set properly |
| Improper valve setting - Adjust valves as required |
| Stale gasoline - Use proper fuel |
| Engine overload - Reduce load |
| Lack of engine oil - Check and refill engine oil |
| Low idle speed adjustment is incorrect - Adjust as required |
| Fuel pump is defective or dirty - Service or change fuel pump |
| Worn crankshaft or main bearings - Crankshaft or bearings need to be replaced |
| Valve clearance is improper - Adjust valve clearance |
| Piston rings or cylinder bore are damaged - Change faulty parts |
| Clogged or incorrectly adjusted carburetor - Carburetor needs to be adjusted correctly or cleaned |
| Air filter is dirty - Replace or clean air filter |
| Clogged or defective fuel pump - Service or change fuel pump |
| Ignition system is defective - Test ignition and replace failed parts |
| Cylinder head gasket is worn - Replace the head gasket |
| Burned or stuck valves - Replace or clean valves |
| Damaged or worn push rod - Install a new push rod |
| Faulty cylinder block parts - Replace defective components |
| Choke didn't open fully - Adjust or change choke cable |
| Carburetor main jet is improperly adjusted - Adjust main jet as required |
| Spark plug is defective or loose - Change or re-tighten spark plug |
| Valves are worn, stuck, or burned - Replace or service valves |
| Worn sleeve, piston, or rings - Replace faulty parts |
| Valve clearance is incorrect - Need to adjust valve clearance |
| Engine consuming too much oil |
| Seals or gaskets are defective - Install new components |
| Valve stems and guides are worn - Install new valves |
| Seized or wear piston rings - Piston rings need to be replaced |
| Piston or cylinder liner is worn - Check piston and liner, change as required |
| Plugged breather pipe or hose - Clean or replace |
| Transmission Troubleshooting |
| Gear shift is hard |
| Gear shift linkage is damaged or loose - Replace or service the shift linkage |
| Shift forks are bent or worn out - Shift forks need to be changed |
| Defective gearshift mechanism - Replace defective components |
| Insufficient transmission oil - Checking transmission oil level and add if necessary |
| Transmission fluid is dirty - Transmission fluid change required |
| Damaged bearings or gears - Replace bearings or gears |
| Transmission jumps out of gear |
| Shift lever is damaged or installed improperly - Reinstall the lever correctly or change it |
| Damaged or worn gear teeth - Replace defective gears |
| Faulty shift forks or shift rods - Change damaged forks or rods |
| Defective drive shaft/belt or incorrect drive shaft/belt adjustment - Adjust belt/shaft or install a new one |
| Incorrect clutch/brake adjustment or worn clutch/brake - Adjust or replace clutch/brake |
| Drive sheave is defective or worn - Replace sheave |
| Hydrostatic Transmission Troubleshooting |
| Excessive HST transmission noise |
| Defective or not adjusted speed control pedal linkage - Adjust or install new linkage |
| Transmission overloaded - Load needs to be reduced |
| Contaminated transmission fluid or low fluid level - Pour fresh fluid or add transmission fluid to proper level |
| Worn or defective parts of the hydrostatic transmission - Change or repair defective parts |
| Worn or rusty shift linkage - Install new linkage |
| Hydrostatic pump is stuck or worn - Change or repair pump |
| Transmission shift control components are worn or unadjusted - Replace or adjust as required |
| Transmission oil insufficient - Check and refill the transmission oil |
| Worn or faulty drive pulley - Replace pulley |
| Shift linkage is damaged or unadjusted - Adjust correctly or replace linkage |
| Worn or unadjusted speed control linkage - Repair or adjust linkage |
| Worn transmission seals or gaskets - Install new gaskets or seals |
| Final drive shaft leakage - Replace shaft seals |
| Transmission case is cracked - Replace case or transmission assembly |
| Mower Deck Troubleshooting |
| Mower vibration is excessive |
| Mower deck drive sheave is clogged or worn - Clean or change sheave |
| Drive belt is loose or defective - Adjust belt tension or replace belt |
| Unbalanced or warped mower blades - Balance blades or replace it |
| Loose blade mounting bolts - Tighten it fast |
| Discharge chute regular clogging |
| High ground speed - Need to slow down |
| Tall grass - Use a lower cutting height |
| Reduced engine rpm - Open choke fully |
| Cutting height is too low - Use a higher cutting height |
| Drive belt installation is not correct - Install drive belt correctly |
| Deck clogged with grass clippings - Need to clean the mower deck |
| Not sharp blades - Blades need to be sharpened |
| Defective or worn blades - Blades must be changed |
| Fast mowing speed - Use a lower speed |
| Cutting level is too low - Use correct cutting height |
| Filled grass bag - Remove grass from bag |
| Bumpy or not smooth lawn - Roll or level the lawn |
| Mower deck set to low cutting - Use a higher cutting height |
| Mowing speed is too high - Select a lower speed |
| Mower deck is not leveled properly - Adjust mower deck level properly |
| Damaged or bent blades - Replace the blades |
| Low tire pressure - Need to inflate tires |
| Low tire inflation - Check and inflate the tires |
| Incorrect level of mower deck - Deck needs to be adjusted properly |
| Blades are excessively dull - Need a blade sharpening |
| Blades are worn or damaged - Change the blades |
| Clogged mower deck - Need to clean the mower deck |
| Broken mower deck shell - Repair or change the deck |
| Loose or faulty mower spindle - Install new spindle or repair it |
| Electrical Troubleshooting |
| Battery cannot be charged |
| Loose or corroded cable connections - Service or tighten connections |
| Defective battery terminal clamps - Terminal clamps need to be replaced |
| Battery dead cell - Battery replacement required |
| Starter motor cranks slow |
| Low battery voltage - Low battery charging, charge as required |
| Battery drains quickly - Service or change the battery |
| Disconnected wiring or bad battery terminals - Check cable connections and replace or service terminals |
| Battery is drained or defective - Replace or charge as required |
| Battery wires are disconnected or incorrectly connected - Check wires and connect correctly |
| Low battery power - Battery needs to be recharged |
| Incorrectly gapped or worn spark plug - Replace or clean and gap |
| Damaged starter motor or solenoid - Starter/solenoid needs to be replaced |
________________________________________________________________________________________
________________________________________________________________________________________
| Lawn and Garden Tractors Technical Specs |
