I've been reading this forum for a few years and learned a lot from you guys.
This is only my second post. I thought that I could share with you this concept I had of an electric pad washer.
I've been wanting a pad washer for a little while but was not attracted by the high cost and the mechanical process. After looking at a few Youtube videos of diverse pad washers to see how they were being used, I decided to build one... with a little improvement.
This pad washer uses a small and inexpensive submersive pump that are used for fish tanks, ponds or backyard fountains.
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Below you can see the pad washer in action.
Here are the steps to build this Pad Washer. I hope that it is ok to use external links.
MATERIAL
1 x Simple Deluxe LGPUMP400G 400 GPH UL Listed Submersible 15' Cord Water Pump ($24)
You can get a cheaper and less powerfull pump, but I like to have the option to increase the flow if required.
Robot Check
4 x Orbit 1/2-in MNPT x 1/2-in MNPT Cut-Off Riser ($2) (Used for lawn irrigation)
https://www.lowes.com/pd/Orbit-1-2-i...-Riser/3132069
1 x Kitchen Aid Strainer/Colander ($12.99) (I am using the Kitchen Aid Colander because it is smooth, has perfect holes and has small wave shapes that do not damage my pads. )
Robot Check
1 x Harbor Freight item # 96619 Momentary Foot Switch ($12) (Mine is a bit different. I already had a woodworking foot switch in my garage.)
Foot Switch - Save on this Momentary Power Foot Switch
2 x Grit Guard ($10 each (You can use any brand. I used 2 different ones)
https://www.amazon.ca/Viking-Car-Car...38&sr=8-5&th=1
1 x Bucket - 5 gallons ($4) (I used a Simoniz bucket as it is tighter at the base and the grit guard fit is snug. But any bucket should do)
https://www.harborfreight.com/harbor...psugg_q=bucket
2 x Bucket Lid ($2 each)
https://www.harborfreight.com/lid-fo...lon+bucket+lid
Tie Wraps
3 x Plastic cabinet/drawer knobs ($1 each)
https://www.lowes.com/pd/Amerock-All...nob/1001306206
CONSTRUCTION
Start by cutting the handles and the bottom feet of the Colander. I used a Rockwell tool to do that. Sand to satisfaction. 400 Grit gave a smooth finish.
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Put the Colander over the Grit Guard and attach with Tie Wraps
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Cut a hole in the center of the grit guard that is about 2 inches in diameter for the Orbit riser and power cable
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Cut a small hole on the side of the colander for the power cord to go through
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Put the 4 Orbit Risers together and cut to about 7 ˝ inch total length
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Attach the Orbit risers to the pump
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Cut a hole in the second grip guard so the pump can be placed in the center of it. (I used the Rockwell tool for that)
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Place the Pump in the center of the bucket. Place the Grit guard over the pump and get the power cord out by the side of the Grit Guard.
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Add some water in the bucket and adjust the water flow on the Pump. The water should be coming up to about 2 inches high. (You can fine tune this later to your liking)
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Insert the power cord into the hole of the second Grit Guard and take it out by the hole on the side of the Colander.
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Put the Colander over the Pump and connect the Pump to the Foot Pedal. Test out the water flow.
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BUILDING THE COVER
Start by cutting a C shape hole in the first cover and a C shape cap to go over the hole from the second cover
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Attach the plastic C shape to the cover using a Cabinet knob (That will hold them together) The second knob will be used as a handle
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You can cut the third knob and use it as a stopper. You can also cut a small opening in the cover to let the power cord come out.
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USING THE PAD WASHER
- Fill the bucket with about 2 gallons of water. Add your favorite pad washing fluid. (In my case I added some ONR)
- Set the polisher to speed 2
- Place the Pad on the Colander and start the Pump by pressing the foot pedal
- Start the polisher and move the pad up and down and left to right
- Stop the Pump
- Set the polisher to speed 5 or 6
- Close the cover and spin the pad
- Pad is clean and almost dry
I hope that this pad washer will be useful to you. Fell free to improve on the concept and share with others.
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