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Duro Piston Pump Manual: A Guide to Restore and Repair Your Cistern Well Pump

Duro piston pumps are a type of cistern well pump that were popular in the 1920s. They use a single piston to draw water from a well and deliver it to a storage tank or a faucet. Duro piston pumps are durable and reliable, but they may need some restoration and maintenance over time. In this article, we will show you how to use the Duro Piston Pump Manual to service and repair your Duro piston pump.

What You Need

Before you start working on your Duro piston pump, you will need the following tools and materials:

Download File:

  • The Duro Piston Pump Manual, which you can download from [here].

  • A wrench, a screwdriver, a hammer, a drill, and a hacksaw.

  • Sandpaper, paint, and oil.

  • Replacement parts for your Duro piston pump, such as cup leathers, valve springs, valve rubbers, and a brass shaft. You can find these parts online or at your local hardware store.

How to Restore Your Duro Piston Pump

Restoring your Duro piston pump involves three main steps: disassembling, cleaning, and reassembling. Here is how to do each step:


The first step is to disassemble your Duro piston pump into its main components: the base, the cylinder, the piston rod, the piston head, the valve assembly, and the handle. To do this, follow these steps:

  • Turn off the water supply to the pump and drain any water from the cylinder.

  • Remove the handle by loosening the nut and sliding it off the piston rod.

  • Remove the valve assembly by unscrewing the cap and pulling out the valve stem.

  • Remove the piston head by unscrewing the nut and sliding it off the piston rod.

  • Remove the piston rod by unscrewing the nut at the base and pulling it out of the cylinder.

  • Remove the cylinder by unscrewing the bolts that attach it to the base.


The second step is to clean your Duro piston pump parts and remove any rust, dirt, or paint. To do this, follow these steps:

  • Sandblast or sandpaper all metal parts to remove any rust or paint.

  • Clean all parts with soap and water and dry them thoroughly.

  • Inspect all parts for any cracks, wear, or damage. Replace any parts that are broken or worn out.

  • Lubricate all moving parts with oil or grease.


The third step is to reassemble your Duro piston pump and test its performance. To do this, follow these steps:

  • Attach the cylinder to the base by aligning the holes and tightening the bolts.

  • Insert the piston rod into the cylinder and secure it with the nut at the base.

  • Slide the piston head onto the piston rod and tighten the nut.

  • Insert the valve stem into the valve assembly and screw the cap on.

  • Attach the valve assembly to the top of the cylinder by aligning the holes and tightening the bolts.

  • Slide the handle onto the piston rod and tighten the nut.

Congratulations! You have successfully restored your Duro piston pump. You can now enjoy fresh water from your well without electricity. If you have any questions or need more information about Duro piston pumps, you can visit [GlobalSpec] or [E-Nertia Global Ente Group] for more resources.

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