How to Troubleshoot a Sears Craftsman DYT 4000 Riding Mower

The Craftsman DYT 4000 riding mower allows you to mow a large yard or acreage more easily than using a traditional push mower. The DYT 4000 uses a small engine that powers the cutting blades and the drive train. The engine is manufactured to last for many years, although you may occasionally have problems starting the engine, or keeping it running properly. If the mower is not performing as expected, Sears recommends a few troubleshooting steps to determine the problem.

Instructions

- 1
  Check to fuel level in the fuel tank. If the tank is close to empty, fill it with gasoline.
- 2
  Replace the spark plug, which is located at the front of the engine. Remove the spark plug wire, using your fingers, then use a socket wrench to remove the spark plug. Install a new spark plug and tighten it securely, using a socket wrench. Push the spark plug wire firmly onto the spark plug.
- 3
  Locate the air filter at the front right of the engine. Remove the air filter cover retaining nut, using your fingers. Lift off the plastic cover and set it aside. Remove the air filter and clean it with soap and water. Allow the air filter to dry completely. Install the air filter and cover. Tighten the retaining nut, using your fingers.
- 4
  Replace the fuel filter, which is located near the rear left of the engine. Drain the fuel from the fuel tank. Remove the fuel line from the fuel filter and drain the fuel into a drain pan. Remove the fuel line from the other side of the fuel filter and set the filter aside. Install the new fuel filter. Connect the fuel lines to each side of the fuel filter and tighten securely. Add fresh fuel to the fuel tank. Dispose of the old fuel according to local regulations.
- 5
  Press the clutch pedal firmly. The mower will not start if the clutch pedal is not fully depressed.

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