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12-04-2013, 08:42 AM
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#1
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Senior Member
Join Date: Aug 2013
Location: ARKANSAS
Posts: 382
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Pressure wash generator
I have a question on washing generator with pressure washer i dont mean blow paint off it just clean up i like my stuff to look good try to take care of it for what these rigs cost is there anything it will hurt ? like some older diesel engines they say leave it running when washing any advice thanks
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12-04-2013, 11:11 AM
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#2
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Member
Join Date: Jul 2011
Posts: 61
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Nothing electrical in a diesel generator, just avoid the air intake and alternator. Set the pressure on low and warm the engine up fully before using the washer. You can add soap if your washer has that feature and it won't hurt anything.
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12-04-2013, 12:51 PM
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#3
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Community Moderator
Join Date: Aug 2011
Posts: 6,199
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Quote:
Originally Posted by hawk57
Nothing electrical in a diesel generator
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....sure you want to stick with that answer :-) ? Seems like a generator has all kinds of electrical stuff. -lol
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12-04-2013, 05:31 PM
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#4
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,903
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Remember where it states in the owners manual to avoid pressure washing the electronics in your engine area, especially the ECM? Getting water into the actual 120VAC generator is like that, and wash while running___better have deep pockets.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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12-04-2013, 05:43 PM
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#5
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Senior Member
Join Date: Aug 2013
Location: ARKANSAS
Posts: 382
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Quote:
Originally Posted by Ray,IN
Remember where it states in the owners manual to avoid pressure washing the electronics in your engine area, especially the ECM? Getting water into the actual 120VAC generator is like that, and wash while running___better have deep pockets.
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I was not talking about a Gen set I was talking diesel engine when washing this is why I was asking in the first place I am used to tractors ect u get water under injector ports not gonna start till it dries!!!!
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12-05-2013, 09:03 PM
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#6
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Junior Member
Join Date: Sep 2013
Location: Coppell, Texas (Dallas area)
Posts: 12
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i hosed down everthing i've ever owned with a LOW PRESSURE soap and water system - lawmowers, motorcycles, golfcarts, leaf blower, jeep, car, rv diesel engine and generator. i've never had a problem - yet... i guess could just be lucky or it could be because i'm using lower pressure - obviously try to keep away from electronics and air intake. Using power washer around engines makes me a little nervous. i use a water hose with attachment. i would consider power washer if i could turn it way down i think.
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Cravini
2014 Newmar Dutch Star 4369, Freightliner Tag Axle XCR Chassis, 450Hp Cummins
2010 Jeep Wrangler Rubicon, 4wd, 4dr
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12-06-2013, 10:20 AM
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#7
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,903
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Quote:
Originally Posted by greg-1
I was not talking about a Gen set I was talking diesel engine when washing this is why I was asking in the first place I am used to tractors ect u get water under injector ports not gonna start till it dries!!!!
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How would water around an injector cause problems? They are sealed, water cannot enter the combustion chamber. The DC wiring is sealed too. I've pressure-washed my Duramax engine many times and it never has failed to start immediately afterwards. I simply make sure I protect the major electronics from direct spray, as directed in the owners manual.
Same applies to my diesel tractors.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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12-06-2013, 10:33 AM
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#8
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Senior Member
Join Date: Aug 2013
Location: ARKANSAS
Posts: 382
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many diff set ups on diesels brands ect i have some it dont bother some you will play h$% getting them started and if it does start it will run extremley rough for several hours !!
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12-06-2013, 11:45 AM
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#9
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Senior Member
Join Date: Nov 2010
Posts: 475
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I don't use my pressure washer on anything on the MH.
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2008 AC Allegiance 42G, Spartan, ISL
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12-06-2013, 12:16 PM
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#10
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Senior Member
Nor'easters Club
Join Date: Apr 2003
Location: Mid-Hudson Valley NY, USA
Posts: 1,332
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I use spay bottle of Simple Green and rags to wipe Genny clean . Never the pressure washer. Ever.
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2020 Newmar London Aire 4569
2019 Ford F150 Limited 450hp
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12-06-2013, 08:42 PM
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#11
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Community Moderator
Newmar Owners Club
Join Date: Feb 2011
Location: Point Pleasant Beach, NJ
Posts: 31,512
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Quote:
Originally Posted by RVRon
I use spay bottle of Simple Green and rags to wipe Genny clean . Never the pressure washer. Ever.
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X2 for me too
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2016 London Aire 4519, Freightliner chassis, Cummins ISX, 2018 Jeep Wrangler Unlimited, Blue Ox Avail with AF1. TST 507 TPMS
No amount of money can buy you an extra second of time.
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12-07-2013, 05:58 AM
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#12
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Senior Member
Join Date: Oct 2012
Posts: 458
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Quote:
Originally Posted by hooverbill
I don't use my pressure washer on anything on the MH.
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X 2
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12-07-2013, 07:05 AM
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#13
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Moderator Emeritus
Ford Super Duty Owner
Join Date: Aug 2000
Location: Bryan, TX when not traveling.
Posts: 22,948
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I bet the diesel engine has some electrical items...the generator for sure. Wrap and seal any electrical items. Spray down with an engine degreaser let set and wash with a gentle water stream...BUT NEVER a pressure washer.
Ken
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