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Old 12-04-2013, 09:42 AM   #1
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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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Old 12-04-2013, 12:11 PM   #2
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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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Old 12-04-2013, 01:51 PM   #3
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Nothing electrical in a diesel generator
....sure you want to stick with that answer :-) ? Seems like a generator has all kinds of electrical stuff. -lol
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Old 12-04-2013, 06:31 PM   #4
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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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Old 12-04-2013, 06:43 PM   #5
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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.
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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Old 12-05-2013, 10:03 PM   #6
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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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Old 12-06-2013, 11:20 AM   #7
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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!!!!
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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Old 12-06-2013, 11:33 AM   #8
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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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Old 12-06-2013, 12:45 PM   #9
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I don't use my pressure washer on anything on the MH.
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Old 12-06-2013, 01:16 PM   #10
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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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Old 12-06-2013, 09:42 PM   #11
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I use spay bottle of Simple Green and rags to wipe Genny clean . Never the pressure washer. Ever.
X2 for me too
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Old 12-07-2013, 06:58 AM   #12
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I don't use my pressure washer on anything on the MH.
X 2
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Old 12-07-2013, 08:05 AM   #13
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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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