No more Stripes when surface cleaning!!!

Ron Musgraves

Exterior Restoration Specialist
Staff member
No more Stripes when surface cleaning!!!


Check tips

1. damaged orifice
2. debris stuck in tips
3. warn out tips
4. tips out of balance from hitting objects


Spray bar

1. angles are correct
2. bars are balanced and not bent
3. no damage to bars

Shaft & Rotary union

1. lubrication to shaft
2. lubrication to union if able
3. make sure union is tight and no play in the shaft


I have found that when you have check most of the above the number one problem is wear or damage orifice.

With your eye you turn your surface cleaner over and look at the tips, it seems your nozzles are spraying even. With your naked eye you cannot see that the orifice has been altered just enough to disburse a micro zero area that causes this what most call striping. It’s simply spraying a small area with greater pressure, that causes and uneven cleaning.

Yes over using chemical can cure it by using the chemical to help the less PSI area clean as good as the tiny area that is applying more PSI.

Doubling over the cleaning area is another cure for fixing the stripes. I’m here to tell you this is not necessary if your surface cleaner is running properly.




I tested many brands when surface cleaners where being invented. The factory sent them to me because phoenix is hot. The experience and things I learned working with the engineers who invented these machines was valuable.

The tips you should be using where originally invented for parts washers. Inside of a parts washer the debris and often the parts would strike the nozzle. Of course in parts washer’s not so critical if the orifice was damaged. Regardless they needed to get more wear out the tips. A parts washer tip has a protected area and the orifice is damage less.


I say this is not the only reason but the one many here and elsewhere do not understand.

It’s simply the number one reason and many false cures can fix it. It’s as simple as using the protected tips and changing them first when problem starts. (Unless it’s something more obvious of course)
 
I met a guy a couple weeks a go that say he knows those things can take off the yellow stripes on the road. Any of you guys do that stuff?

yeah, the truck cost about 125 g's..

what would that have to do with surface cleaners?
 
Its a truck mounted surface cleaner. I have used them and there is good money in doing this work. its not often it comes up. You can rent the truck here for about 500 a day. the last job i did paid about 10 g's for three days. its took a total of six guys and a baricade company to direct traffic safe.

Whats that got to do with the original post? racer( matt or chris)
 
We havent had our surface cleaner remove any stripes in p-lots, just by cleaning them. I guess it would or could take it off if you adjusted your tips and angles...

We just recently stripped a sidewalk of paint...but we used our wand and 300 degree water

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Kevin,

It’s ok that you posted the info; please if I don’t share the text please don’t just take it. If tgs wants to kill the link they will.

I have reasons that info remains on PWI like Beth has info she keeps here but shares with others from PWI through links.


TGS and PWI are friends, as well as PTS and most all other BBS.

Kevin, please do not take this post wrong.

PWI is my preferred like TGS is yours or Beths. That is respected and your welcome to drive anyone here to access great info. I will respect that and never take your post and copy them to PWI unless you ask me too.

For others, yes in the past I have taken content and now I just hyper link.
 
Ron, I recognize the right one (Spraying Systems) but the other one does not look like Generals that I use. Who makes the one on the left? How does it last compared to the other brands? Thanks.

I always thought that the striping came from when you overlap in the passes so the strip gets cleaned twice thus leaving the stripes.
 
So Ron, Were you talking about swirls (moving too fast) or stripes (strips that are overlap marks)? I am now confused. Thanks.
 
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