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Company Rebuilds Hydros With Care
Hydraulic component rebuilds can save a lot of money, but they’re not usually do-it-yourself projects, says Cara Herrs of Herrs Machine. The company has been rebuilding hydraulic pumps and hydrostatic transmissions for 43 years, progressing from a home-based shop business to a high tech operation that can handle nearly
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Company Rebuilds Hydros With Care SPECIALTY/SERVICES Hydraulic component rebuilds can save a lot of money but they’re not usually do-it-yourself projects says Cara Herrs of Herrs Machine The company has been rebuilding hydraulic pumps and hydrostatic transmissions for 43 years progressing from a home-based shop business to a high tech operation that can handle nearly anything hydraulic “Our most common repairs are combine hydrostats ” says Herrs “We have an ag background so we understand how quickly equipment needs to be up and running In addition to our rebuild service we keep a large inventory of parts pumps and motors on hand We can usually ship out the same day we get an order ” Herrs suggests making a toll-free call for a cost estimate If time is tight most agricultural hydro units are available in exchange The company works with tractors combines skid steers and a wide range of other equipment However long-term specialties have been IH hydrostats and torque amplifiers Whether for rebuild or exchange Herrs emphasizes carefully wrapping the part for shipment especially if components are exposed One ding or gouge in a plate can increase rebuild cost considerably “Plates in a stack have to be perfectly flat ” says Herrs “A scratch can cause a blow-by and increase pressure on the hydraulics and raise the temperature ” When parts come in for a rebuild they are first visually inspected and measured using a micrometer If parts pass inspection they are lapped within 1 millionth of an inch of surface flatness Even though a single plate with a gouge can often be refinished Herrs says the refinishing might reduce the required height of the total stack “We have to stay in tolerance the whole way through ” she says Once the part or component has been rebuilt it goes through testing Each step in the process is recorded If testing identifies any problem it also shows where the problem occurred “We will then tear it down and fix the problem ” says Herrs “We know it has to be done right ” Herrs handles pumps motors cylinders and valves All remanufactured units come with a warranty Contact: FARM SHOW Followup Herrs Machine 1745 Prospect Blvd Washington Kan 66968 ph 785 325-2875; toll free 877 525-2875; caraherrs@sbcglobal net; www herrsmachine com
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