... 5000PSI+Consumer (less than 100hrs)Semi-professional (Between 150-250hors)Professional /commercial 500hrs+Industrial 1000hrs +Occasional ... , adjustments , fuel systems cleaning and obstruction(due to chemical , lime , dirt , and so forth ).-Installation ... and Maintenance (MAY ,2012)I TALY—— EIMA—International Agricultural Machinery Exhibition ( November ,2012) Professional High Pressure Washer 3000PSI ...