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Old 02-22-2020, 03:02 PM   #1 (permalink)
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Electric pressure washer

First off I can't stand the cheap garbage Walmart electric pressure washers. They are junk.
I bought a little project from the agg auction.
A real electric pressure washer, a 120/240v convertable 1.5hp 56C 2 pole motor on a stand with an obviously bad pump. It should do 2.2gpm at 1,500psi.
Since I have 240v 6-20 receptacles everywhere I will convert it to 240v power and buy a rebuilt general or triplex pump.
My gasoline powered pressure washer will do 2.5 at 2,500. I actually put a gauge on it. Might keep it, sometimes you just need the raw power.
2.2gpm at 1,500psi should handle most jobs.

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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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Old 02-23-2020, 01:34 PM   #2 (permalink)
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Join Date: Jul 2011
Location: NewMexico (USA)
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Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
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Snow flake - '11 Nissan Leaf SL
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Thanks: 215
Thanked 2,960 Times in 2,305 Posts
It was already wired up for 240v but someone had a 120v plug on it. I bet it worked really good.
Rebuilt triplex or general pumps run around $250.
It will never pay for its self with gas savings.
I might see if a cheap gasoline engine pump will fit on there. I can take the one off my gasoline pressure washer. It has a 7/8 shaft. I can at least see of the gasoline and 56C face motor holes are the same, I think they are. The 56 frame motor has a 5/8 shaft. So I won't be able to test it.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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Old 03-21-2020, 03:19 AM   #3 (permalink)
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Join Date: Jul 2011
Location: NewMexico (USA)
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Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
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Thanks: 215
Thanked 2,960 Times in 2,305 Posts
Caught a new triplex pump on sale for $245 shipped from eBay. Its on its way. I have a 3 phase 6.5 amp motor overload that can be used for single phase. And will add a water proof 240v switch.
The built in motor over load was broken, got a slightly used full sized industrial one for $12.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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Old 03-22-2020, 03:27 AM   #4 (permalink)
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I boguht a Karcher electric pressure washer for 20 bucks a few years ago, and haven't fired up my gas one since...it's nothing special, but 99% of my pressure washing is cleaning engines and such projects, and it's perfect and a heck of a lot more convenient for that.

I also have a 5hp 240v motor that I keep meaning to put my gas pressure washer pump on for when I have a bigger job, that I got 75% off. One of these days? Covid 19 might be good for getting caught up on such things!
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Old 03-22-2020, 08:25 AM   #5 (permalink)
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I bought a gas unit. Shoot me.

I only wanted to buy one pressure washer, and I have a large enough property that the extension cord problem is not trivial, besides which I don't like the idea of the water and the electricity and the pressure being all together in one place like that.
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Old 03-22-2020, 12:01 PM   #6 (permalink)
EV convert
 
oil pan 4's Avatar
 
Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 9,052

Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
SUV
90 day: 141.63 mpg (US)
Thanks: 215
Thanked 2,960 Times in 2,305 Posts
I work in a wash down environment surrounded with 480v powered motors. All you need is good grounding and bonding to stay safe.
Then if you have a 120v pressure washer it should be plugged GFIC.
Mine is 240v and will no have such protection.
__________________
1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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Old 03-30-2020, 04:15 PM   #7 (permalink)
EV convert
 
oil pan 4's Avatar
 
Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 9,052

Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
SUV
90 day: 141.63 mpg (US)
Thanks: 215
Thanked 2,960 Times in 2,305 Posts
Here's the electric only version.

I bet it's going to have way more power than a cheap 120v Walmart pressure washers with similar claimed specs.
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__________________
1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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Old 04-23-2020, 03:03 PM   #8 (permalink)
EV convert
 
oil pan 4's Avatar
 
Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 9,052

Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
SUV
90 day: 141.63 mpg (US)
Thanks: 215
Thanked 2,960 Times in 2,305 Posts
It's been working great so far. I can grab it, put the lines on and go.

__________________
1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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