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Old 02-14-2015, 12:19 PM   #1
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Adding a small pressure washer

Lots of us have carried little electric pressure washers with us, but the idea of a built in one was always intriguing.

Along comes this company The Road Wave Built-in RV Pressure Washer, RV Washing made easy with their beast of a washer. With it being optional on the King Aire, got some wheels turning in the heads of our members here. Alas, it is to big to fit on the Dutch Star.

redbaron73 opened the doors with his install and real world use here: Feb 2013 Build Date---REDBARON73 DSDP post #251

Here was my take on it:

I started with this washer and hose extension, purchased at a local farm store. This will give me 75' of hose to reach all around the coach and toad.

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The first issue I ran into; cheap electric washers use a hose with a 15mm connections. Higher end washers use 14mm connections.

Stock hose

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The extension hose

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Notice the two different colored washers? Black 14mm and blue 15mm, so this will hook up to the pump and seal. I got lucky there, because I did not learn the difference till everything was opened.

Connecting the hose together turned into a whole new set of hassles. All the hose connecters I could find were 14mm only.

Till I found this in the bottom of the bin at Lowes.

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14mm on one side 15mm on the other. Now that all my pieces fit each other, I pulled it all apart. The case is not needed. Once you remove all the screws on the backside.

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It simple falls apart, with nothing holding the internals together. I spent so much time looking to see if I missed something, I forgot to get a picture of how cheesy it really was.

Next I disassembled the switch

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With everything apart, I began testing where it would fit. I settled on the top of the "hump" in the wet bay.

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I removed the tray and stuck a piece of wood inside the hump, for reinforcement.

Then used simple L brackets I had laying around, fastened to the hump. I lined the hump and brackets with foam tape. Then strapped the pump down with plumbers strap. That ended the pump install.

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Now for the switch, I extended the wires.

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So I could remote mount the switch.


To be cont...
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Old 02-14-2015, 12:40 PM   #2
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I decided to mount the switch up by the tank read out.

I traced the hole I needed

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Cut it out and popped the switch in

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This washer came with a wand attachment, so I put it on the door.

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The hose, I coil up and set under my other hoses.


For the main power, I ran up front to my compressor switched outlet. The factory power cord was long enough to reach with a few extra feet coiled up next to the tanks.

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As long as I'm plugged in or the genny is running and I flip the switch, this outlet becomes live.

The switch is upside down for a reason. I keep all the boards for under my jacks right there and I didn't want something sliding or bouncing over and flipping the switch up.

My coach is still winterized, so I haven't been able to test it with the water tank and pump. But I did hook up a hose, shut the compartment door and washed the whole coach and toad after coming back from Nappannee.

Everything worked great and was very convenient. Now I can wash any where anytime I need to.
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Old 02-14-2015, 02:33 PM   #3
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Really nice plan and install! Enjoy the washer!
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Old 02-14-2015, 02:43 PM   #4
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Another MOD for QT's # 3 PDR John's "MOD SECTION".
Scroll DOWN PLEASE.
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Old 02-15-2015, 12:09 AM   #5
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Nice job. I've had that on my list since redbaron did his. Somehow priorities keep shifting!
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Old 02-15-2015, 12:35 AM   #6
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As always, beautiful work
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Old 02-15-2015, 05:38 AM   #7
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Great write-up and pictures PDR John ... very easy to follow. And the fitting from Lowes was the critical missing piece!

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Old 02-15-2015, 07:10 AM   #8
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Well done John.
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Old 02-15-2015, 08:54 AM   #9
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Thanks all.

I can't wait to be able to use with hot water.
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Old 02-15-2015, 02:21 PM   #10
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Looks great john That's on my list to do great write up as well next time your in nappanee you should pm me I'd love to meet you in person
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Old 02-15-2015, 03:13 PM   #11
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Here, and I thought John was going to be bored this winter with no more mods...lol.
You aren't kidding about cheesy construction on these low cost washers. I've gone through two of the cast aluminum fittings where you quick connect the pressure hose. They've both split on the threads where it connects to the pump assembly. You were clever and smart to lose the plastic housing so if it fails(I hope not), it will be an easy job. It's a real PITA to disassemble the housing and put it back together.
Really have enjoyed learning about all the mods everyone has done to their coaches.
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Old 02-16-2015, 08:46 AM   #12
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John, GREAT MOD. I am not sure I want to put the perssure washer in my water compartment as I have three filter canisters and two RO bladders right above where you put the pump. Since you have so much experience 'repackaging' the pressure washer what do you think of just stripping off the unneeded plastic and compacting it into just what is needed and using it as a portable. Maybe using the outside shower hose as the water source and a receptacle for power and storing the compacted pump in some smaller package/box than the way it comes out of the box? What size 'box' would the pump fit in when removed from its plastic case? THANKS
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Old 02-16-2015, 09:38 AM   #13
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Quote:
Originally Posted by STEVE-JUNELL View Post
Looks great john That's on my list to do great write up as well next time your in nappanee you should pm me I'd love to meet you in person
I sure will.



Quote:
Originally Posted by tednruthy View Post
John, GREAT MOD. I am not sure I want to put the perssure washer in my water compartment as I have three filter canisters and two RO bladders right above where you put the pump. Since you have so much experience 'repackaging' the pressure washer what do you think of just stripping off the unneeded plastic and compacting it into just what is needed and using it as a portable. Maybe using the outside shower hose as the water source and a receptacle for power and storing the compacted pump in some smaller package/box than the way it comes out of the box? What size 'box' would the pump fit in when removed from its plastic case? THANKS

I think a person could do that pretty easy, but this same company makes a small hand held which cost the same.

AR AR118 Blue Clean 1500 PSI Electric-Cold Water Hand Carry Pressure Washer

I forgot to add the photo of how I intend to use it.

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I been toying with the idea of buying the parts and seeing if I can make one like the road wave. Only with a drive shaft, so you can remote mount parts to fit tighter spaces. For those of us with shorter then 45' coaches.
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