John Deere 425 and 445 — 500 Hours or Every Two Years (whichever comes first)

· Change engine oil and filter. 250 Hours or Annually (whichever comes first) · Change fuel filter (425) 500 Hours · Check wheel bolt torque. · Check/tighten air & cooling hose clamps. · Change fuel filter (445). · Inspect spark plugs. NOTE: See your John Deere dealer for the following services. · Check engine idle speed. · Adjust engine valve clearance. 500 Hours or Every Two Years (whichever comes first) · Change radiator coolant. 60