Adjustment Of belts

Hey Guys. Random question. When Or How Do you Know It’s time To tighten Up the belt on the pressure washers?

I don’t like more than 1/2 inch play when pushed down in the middle. About 3 tightens or so, then new belts.


Do you have an idea of the amount of hours passed before needing to tighten?

Think i Have about 35 hours on It.

Wow, I have 500+ hours on my skid and haven’t checked or tightened it.


I tighten belts every 4 or 5 hundred hours. If you have a pressure pro or something on an aluminum skid you’ll have to do it sooner probably

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Our belts just blew and I’m embarrassed to say we bought a used skid system and I never took note of the size belt it takes. How would we go about figuring that out? It is a Honda GX 630 hooked up to a 6.6 gallon a minute pump. Thanks so much.

Measure old one. Or use a old canvas belt. Should be a standard Vbelt. Ill measure mine in a minute.

Thanks! There are 2 groves for belts. Is it one belt with 2 v sections or 2 separate belts?

2 v belts.

Why is it with the pressure pro it’s sooner? I ask because I have one.

Seems about right, my new pressure washer started slipping last week right at 32.5 Hours!

Pressure pros are junk. The aluminum flexes and they don’t have a good tightening system for the belts

In your opinion what do you recommend. I just put these belts on last week and they started slipping today again

You need to get professional equipment, or resign yourself to tightening belts and rebuilding pumps. There isn’t really a fix. They are sold to fail so vendors can keep making more sales.

I was afraid you would say that! :disappointed:

If you were handy couldn’t you give it a different skid plate? I don’t have a pressure pro skid, but I did order one and am about to pick it up. It looks like the skid plate is just bolted to the skid frame. @Innocentbystander

Edit-Also, I figure the pump will die so I plan on replacing it with an Udor. I know your going to ask why I wouldn’t just finance better equipment William, so to forestall that question I did buy what I could afford with financing. I do plan on building my own as soon as I can buy the parts outright. Cheaper that way and that way I’ll know I’m getting the best, but its better to upgrade with what I can afford as even if the whole skid dies next year I should have made more than enough to build a new one with the upgraded efficiency.

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