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How to Build Shurflo RV Water Pump

Shurflo RV Water Pump

Shurflo RV Water Pump: SHURflos New Revolution fresh water pump design was created with a unique one-piece diaphragm and internal by-pass.

Assuring long life and top performance in all plumbing systems.

Designed as the next legendary pump to exceed the expectations of our customers.

The Revolution Pump is constructed for high flow demand.

Low noise and no rapid cycling. SHURflos’ quality reputation has been built on the reliability and dependability of every pump we build.

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Shurflo RV Water Pump: BusinessHAB.com

Shurflo RV Water Pump

Shurflo RV Water Pump

The 4008 Revolution fresh water automatic demand pump is super quiet.

Thermally protected and can run dry without damage.

Mounts in any position. 3 Gallons per Minute Self Priming 55 PSI Internal Bypass.

Low Cycling Quiet Operation / Runs Dry – Thermally Protected Built-In Check Valve SHURflo.

Revolution Pump Model Numbers OEM: 4008-101-A65 Voltage: 12 VDC Dimensions.

Inches/Millimeters : 4.9 x 8.1 x 4.3 [125 x 206 x 110mm] Flow Rate GPM/LPM : 3.0 GPM [11.4 LPM]

Shurflo RV Water Pump

Building an energy-efficient mini water pump is a cool project that you can easily do at home.

In this article, we’ll teach you everything you need to know to build a fully functional DIY water pump.

First, we’ll explain how to assemble the pump using simple materials and tools.

Then, we’ll walk you through how to connect the motor and start pumping water through it.

Read on to get started!

Assembling the Impeller

Fit a PVC pipe into 1 of the branches of a PVC tee socket.

Take a 10 in (25 cm) long, 1 inch (2.5 cm) diameter PVC pipe and slide it into 1 of the branch openings of a 1 inch (2.5 cm) diameter PVC tee socket, leaving the other end open.

Push the pipe far enough into the tee socket to hold it securely without blocking the run opening, which is the single opening that branches into 2.

  • You may need to warm up the end of the PVC pipe in hot water to soften it enough to fit into the tee socket.
  • Look for PVC pipes and PVC tee sockets at hardware stores, home improvement stores, department stores, and online.

    Shurflo RV Water Pump

Insert a 3 in (7.6 cm) long PVC pipe into the run of the tee socket.

Once the longer PVC pipe has been fitted into 1 of the branch openings of the tee socket.
Take a smaller length of pipe and slide it into the run opening.
Push it far enough into the tee socket to be held in place.

But not so far that it’s flush against the back wall of the tee socket.

  • If you insert the pipe too far into the tee socket, the water won’t be able to flow through it.

Tip: Use a hacksaw or a pipe cutter to cut longer lengths of PVC pipe down to size for your water pump.

Cut sheet metal to fit the diameter of the pipe for the impeller blade.

 Take a strip of sheet metal about 1⁄8 inch (0.32 cm) thick and place it on top of the PVC pipe.
Use a marker to trace the size of the inside of the pipe over the piece of metal.

Take a pair of tin snips or wire cutters to trim the sheet metal to size.

  • Slide the piece of metal in and out of the pipe to make sure it fits.
  • The sheet metal will serve as the impeller that rotates and drives water through the pump.

Clip the outer edges of the metal to form a propeller shape.

Take a pair of tin snips or wire cutters and clip the outer edges of the piece of metal about 1⁄4 inch (0.64 cm) in toward the center.

Make 6 cuts around the metal, then pry the edges up slightly so they form a raised, propeller-like shape.

  • Use your fingers or the tin snips or wire cutters to pry the edges up slightly.

    Shurflo RV Water Pump

Insert a bicycle spoke through the center of the metal and solder it.

Find the center of the piece of sheet metal and punch a hole through it with a centerpunch, nail, or another sharp object.
Slide a 10 in (25 cm) bicycle spoke through the hole so the sheet metal is on the end of the spoke.

Take a soldering iron and apply solder to the top and bottom of the sheet metal to bond it to the spoke.

  • If you aren’t used to it, practice soldering first before you attach the sheet metal to the bicycle spoke.
  • You can find soldering irons at craft supply stores and online.
  • Look for bicycle spokes at bicycle repair shops, department stores, and online.

Warning:

Soldering irons heat up to very high temperatures and are a potential fire hazard.

Be very careful when you’re using one and don’t place it down on a flammable surface while it’s still on.

Shurflo RV Water Pump

Solder a rotor to the other end of the bicycle spoke.

Take a rotor that fits onto a 12V DC motor and connect it to the other end of the bicycle spoke.

Use a soldering iron to solder the rotor onto the end of the spoke so it’s firmly connected.

Allow the solder to cool completely and wiggle the rotor to make sure it’s securely attached.

  • If the bicycle spoke is curved at the end, use a pair of wire cutters to clip off the curve so it’s straight.
  • You can find a rotor for a 12V DC motor at hobby shops that sell parts for remote-controlled airplanes and vehicles, as well as online.

Connecting the Motor

Drill a hole through a piece of plastic to fit the rotor end of the motor.

Place the end of the 12V DC motor with the small rod that the rotor fits onto against a sheet of plastic at least 1⁄8 inch (0.32 cm) thick and trace the outline of it with a marker.
Take a power drill and attach a bit that matches the size of the outline on the plastic.

Drill through the plastic to create an opening that fits your motor.

  • The motor needs to fit snugly into the piece of plastic to create a tighter seal.
  • You can find thin squares of plastic at hardware stores, home improvement stores, and online.

    Shurflo RV Water Pump

Slide the rotor end of the motor into the slot and seal it with hot glue.

Fit the motor into the opening you drilled in the plastic and use a glue gun to apply hot glue where the motor connects to the plastic.

Apply pressure to the motor to hold it in place for about 10 seconds.

So the glue can harden enough to remain attached.

  • The glue will also help keep water from getting onto the motor when the pump is working.
  • Look for hot glue and hot glue guns at craft supply stores, department stores, and online.

    Shurflo RV Water Pump

Insert the motor into the opening on the rotor to connect it.

Slide the small rod sticking out of the rotor end of the motor into the opening on the rotor that’s connected to the bicycle spoke.

Push them together or rotate the rotor to tighten them so they’re securely connected.

  • Some rotors may click or snap into place on the motor.

Fit the impeller into the open branch of the tee socket and seal it with glue.

Once the glue is dry, slide the end of the bicycle spoke with the impeller on it into the open branch of the tee socket.
Apply hot glue to the top of the branch socket and press the plastic sheet with the motor attached to it against it.
Hold it in place for about 10 seconds so it sticks.

Allow the glue to dry for about 10 minutes.

  • Keep pressure on the motor and the tee joint so the glue creates a tight seal.

Connect the red and black wires on the motor to a 12V battery.

Locate the 2 wires on the back of your 12V DC motor.
Connect the red wire to the positive terminal on a 12V battery, which will have a plus sign (+) on it.
Then, connect the black wire to the negative terminal, which will have a minus symbol (-) on it.
The motor will start turning the impeller blade in the PVC pipe.

Warning: Always connect the red wire first, and then the black wire so you don’t shock yourself.

Place the end of the pipe across from the motor into the water to pump it.

Once the pump has power from the battery, stick the end of the PVC pipe with the impeller blade into a body of water.

The pressure created by the blade will pull the water out and push it through the run opening of the tee socket.

Hold the pump in the water for as long as you want to pump it out.

  • Use a small swimming pool or a bucket of water to test out your pump.
  • Do not submerge the motor.
  • Disconnect the black wire first, then the red wire to deactivate the pump.

Shurflo RV Water Pump

Things You’ll Need

  • 10 in (25 cm) long 1 inch (2.5 cm) PVC pipe
  • 3 in (7.6 cm) long PVC pipe
  • 1 inch (2.5 cm) PVC tee socket
  • A 1⁄8 inch (0.32 cm) thick strip of sheet metal
  • Marker
  • Tin snips or wire cutters
  • 10 in (25 cm) bicycle spoke
  • Soldering iron and solder
  • 12V DC motor with wires
  • Rotor for 12V DC motor
  • 1⁄8 inch (0.32 cm) thick piece of plastic
  • 12V battery

Conclusion

  • Soldering irons are extremely hot.

  • Be careful not to burn yourself when you’re using it and be sure not to place it down on a flammable surface while it’s still hot.

  • Always connect the positive wire first, then the negative.

  • When you’re disconnecting them, always remove the negative wire, then the positive.

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