Maintenance & Repair49NOTE TO COMMERCIAL USERS:All mechanical equipment, no matter how well designed, will need maintenance andrepairs. A NorthStar pressure washer is no exception. At times, a NorthStarpressure washer may become inoperable because repairs are required. NorthStarProduct Support will assist in these repairs as needed, but if an inoperable pressurewasher creates a major expense to your business, then we strongly recommend thefollowing: Have a staff person become familiar with the mechanical operation of thepressure washer and capable of making minor repairs and performing allpreventative maintenance procedures. Keep a stock of recommended service parts for maintenance and minorrepairs.IMPORTANT:If a part needs replacement, only use parts that meet the manufacturer's part numberspecifications. Replacement parts that do not meet specifications may result in a safetyhazard or poor operation of the pressure washer.Contact NorthStar Product Support at 1-800-270-0810 for anyquestions, problems, or parts orders.