![]() Google Patents Street sweeper hopper and lift mechanismĭownload PDF Info Publication number US2917761A US2917761A US570293A US57029356A US2917761A US 2917761 A US2917761 A US 2917761A US 570293 A US570293 A US 570293A US 57029356 A US57029356 A US 57029356A US 2917761 A US2917761 A US 2917761A Authority US United States Prior art keywords broom elevator hopper assembly refuse Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2917761A - Street sweeper hopper and lift mechanism Getting your staff the proper training and teaching them good operating and maintenance habits can make a world of difference when it comes to extending street sweeper life.US2917761A - Street sweeper hopper and lift mechanism ![]() Ultimately, the upkeep of any machine comes down to the people who use and care for it. "Most sweeper manufacturers provide very detailed instructions on setting brooms for optimum sweeping performance." ![]() "Operators and maintenance staff should learn what pavement surface contact pressure and what side broom angle adjustment is most effective for the required sweeping application," Giles said. Unnecessary wear caused by excessive down pressure and improper broom tilt can be prevented by teaching drivers how to adjust the sweeper brush to the right settings. "Options such as in-cab side broom tilt allow operators to adjust the broom angle from inside the cab to reach deep curb debris without the need to use excessive down pressure." 6. "Modern, high-end sweepers have accurate in-cab adjustments that allow the operator to use only enough pressure to get the job done without having to leave the operator’s seat or slow down the sweeper," he said. According to Giles, these features are worth the investment. Many street sweepers offer features that help the operator avoid excessive down pressure and adjust to the proper angle without affecting productivity. Don't Skimp on Productivity Features and Options Ensuring operators adjust brooms to the correct angle will help extend the life of the brush. "If the forward and outward tilt angle is not correctly adjusted, the broom may require excessive contact pressure to function or have too many filaments in contact with the street surface," Giles said. Use the Proper Angle Setting of the BroomĪnother source of premature wear is an incorrect angle setting of the side broom. Making sure the right amount of pressure is applied can reduce extra wear and tear. The most common cause of prematurely worn-out brushes is allowing more downward pressure on the brooms than necessary - or, in industry speak, "excessive down pressure." The extra friction created when brushes make too much contact with the street cause filaments to wear at a faster rate. Regularly checking broom linkages is a small time investment that can yield big savings on replacement brushes. "If this linkage becomes worn or begins to stick, excessive broom wear can occur." "The linkage that allows the brooms to follow the road contour must be properly maintained," Giles said. ![]() A little upkeep goes a long way and can save dollars spent on replacements. Just as keeping tires properly inflated can reduce gas mileage, keeping linkages in good working order can reduce wear on sweeper brushes. Make Sure All Broom Linkages are in Serviceable Condition "They may cost more up-front, but they save big in the long run," Giles said. For example, investing a little extra in a quality broom results in longer brush life and better service on the streets. With any purchase in an open market, there is a delicate balance between laying down minimal cash and getting a quality product.
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