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How Do I Maintain My Wood Chipper Shredder?

How Do I Maintain My Wood Chipper Shredder?

Make it a point to inspect your chipper shredder regularly and check that the discharge doesn’t build up with processed material. With some routine maintenance, your chipper shredder will stay in tiptop shape and can tackle your toughest cleanup projects. This maintenance schedule will help you take care of your equipment properly.

Before Each Use:

  • Clear grass and debris away from muffler and engine
  • Clean control linkage

Every 10 Hours:

  • Lubricate all moving parts
  • Lubricate chute release rod
  • Lubricate control levers and check for smooth operation
  • Lubricate hopper assembly and discharge chute at the swivel pivot joints

Every 25 Hours:

  • Replace air filter

Every 50 Hours:

  • Change engine oil


  • Replace or sharpen chipper blade
  • Replace spark plug
  • Wash collection bag

Additional Instructions:

  • Empty any debris before starting the engine.
  • Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition. Replace if necessary.
  • Before cleaning, repairing or inspecting, stop the engine and make certain the impeller and all moving parts have stopped. Disconnect the spark plug ignition wire and ground it against the engine to prevent unintended starting.
  • Maintain or replace safety and instruction labels, as necessary.
  • If the flail screen becomes clogged, remove and clean. Cleaning with forceful spray is not recommended, as it could contaminate the fuel system.
  • Use a dry cloth or brush to clean around the muffler, chute and engine.
  • Keep the control linkage clean and free of debris to prevent control switch malfunctions.
  • If the chipper jams or clogs, turn the engine off. Disconnect the spark plug and carefully inspect the machine, removing any material that is in the way.

Use light machine oil when lubricating.