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How to Restore a Duro Piston Pump

How to Restore a Duro Piston Pump

A Duro piston pump is a type of water pump that uses a single piston and a valve to create suction and pressure. These pumps were popular in the 1920s and 1930s, but they are still used today in some rural areas. Duro piston pumps are durable and reliable, but they may need some restoration and maintenance over time. Here are some steps to restore a Duro piston pump and keep it running smoothly.

Duro piston pump manual

  • Inspect the pump for any visible damage or rust. If the pump is severely corroded or cracked, it may not be worth restoring. You can also check the model and serial number of the pump on the nameplate or on the piston rod.

  • Disassemble the pump carefully, keeping track of all the parts and their order. You may need to use a wrench, a screwdriver, a hammer, and a chisel to loosen some of the bolts and nuts. You can also use a penetrating oil to help with rusted parts.

  • Clean all the parts with a wire brush, sandpaper, or steel wool. Remove any dirt, grease, or rust from the metal surfaces. You can also use a degreaser or a rust remover to help with stubborn stains.

  • Replace any worn or damaged parts with new or compatible ones. You may need to find parts that match your pump model and size, such as cup leathers, valve springs, valve rubbers, and brass shafts. You can search online for Duro piston pump manual[^2^] or contact a Duro pump dealer for assistance.

  • Reassemble the pump in reverse order, making sure all the parts are aligned and tightened properly. You can also apply some grease or oil to the moving parts to reduce friction and wear.

  • Test the pump by filling it with water and priming it. To prime the pump, you need to fill the cylinder with water and move the handle up and down until water comes out of the spout. You can also adjust the pressure switch if your pump has one.

Congratulations! You have successfully restored your Duro piston pump. You can now enjoy using it for your water needs or display it as a vintage piece of equipment.

The Benefits of Duro Piston Pumps

Duro piston pumps have many advantages over other types of water pumps. Some of the benefits are:

  • They are simple and easy to operate. They only have one moving part, the piston, which makes them less prone to mechanical failures.

  • They are efficient and powerful. They can pump water at high pressures and volumes, even from deep wells or cisterns.

  • They are versatile and adaptable. They can be used for various purposes, such as irrigation, livestock watering, fire fighting, or domestic use.

  • They are eco-friendly and economical. They do not require electricity or fuel to run, which saves money and reduces environmental impact.

The History of Duro Piston Pumps

Duro piston pumps have a long and rich history that dates back to the early 20th century. The Duro Pump Company was founded in 1910 by John Duro in Chicago, Illinois. The company specialized in manufacturing water pumps, air compressors, and hydraulic jacks. Duro pumps were known for their quality and durability, and they were widely used in farms, homes, and industries across the country.

In 1926, the company introduced the Duro piston pump, which was a breakthrough in water pumping technology. The pump featured a single piston and a valve that created suction and pressure with each stroke of the handle. The pump was capable of pumping water from wells up to 300 feet deep, and it could also be used for spraying crops or washing cars. The pump was a huge success, and it became one of the most popular products of the company.

In 1938, the company moved to St. Charles, Illinois, where it expanded its production and distribution. The company also developed new models and features for its pumps, such as pressure switches, electric motors, and automatic controls. The company continued to grow and prosper until the 1970s, when it faced increasing competition from other pump manufacturers. The company eventually went out of business in 1984, but its legacy lives on in the thousands of Duro piston pumps that are still in use today. 29c81ba772


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