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Country Discussion Topics
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Pressure washer repair...ideas?
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Tom A    Posted 08-10-2003 at 04:32:55       [Reply]  [No Email]
Hey all, 'nother mini-crisis here.

Started washing the deck and house sides using my 1500 psi pressure washer. It's 5 years old but has very few hours on it, probably less than 20.

Anyway, there's a pressure relief valve that started leaking slowly last year, and this year has gone to a full-fledged leak that steals most of the pressure making the washer impotent and drenching me at the same time.

I took it apart and discovered that the valve assembly has a nylon sleeve around it. The nylon has 2 small cracks in it that are allowing water to leak thru.

I've ordered the part from the manufacturer, but it is back ordered and will be "at least" 2 weeks before I see it. I'd like to get the cleaning jobs done before then. I tried filling the cracks with jb weld (marine version) and it held for about 4 seconds after I started the motor before it gave up and the leak was as bad as ever.

Anybody have any other ideas?

thanks for any suggestions!
Tom A


thanks, but...    Posted 08-11-2003 at 05:53:18       [Reply]  [No Email]
so far no luck. The jb weld just wouldn't take the pressure, even with careful prep; TSC didn't carry it although they do sell very similar washers.

I am considering taking the plastic part to a machine shop and having them duplicate it in brass. Not sure what it would cost, but the plastic assembly (can't get just the plastic piece itself, have to buy the assembly) is $58 so if it is a one-time thing I might be better off paying the machinist.

anyway, thanks for all the suggestions. Guess everything is gonna stay dirty until the new one shows up in the mail.

tom a


Um...    Posted 08-11-2003 at 06:52:15       [Reply]  [No Email]
Not trying to argue, but JB Weld will adhere to almost anything and will certainly take the pressure...

When applied and stressed it usually results in failure of the material around the JB before the JB including concrete...Try it sometime ;-)


no argument here    Posted 08-11-2003 at 07:22:51       [Reply]  [No Email]
You're one of my heroes, and I'm a JB Weld believer, but I've tried twice now and it just won't hold...unless somehow this thing is failing and blowing water in a way I don't understand. But the JB weld just sort of blows out of the crack and gets caught elsewhere around the o-rings. I'd be happy to mail the thing to ya, if you'd care to give it a try!!

tom


Sven    Posted 08-10-2003 at 14:28:27       [Reply]  [No Email]
instead of the JB weld, try some of the silicon gasket maker stuff, it will remain flexible and is much easier to clean off when the time comes.


Sid    Posted 08-10-2003 at 06:31:47       [Reply]  [No Email]
Tom if you are close to anything that resembles an old fashioned hardmware store they may have a bunch of fitting washers and stuff you can look through also some plubing and fitting supply places may handle stuff like that. Many parts are simply standard fiittings and and washers and can be found for pennies rather than dollars. Good luck


Salmoneye    Posted 08-10-2003 at 05:52:50       [Reply]  [No Email]
JB Weld the cracks...



??????    Posted 08-10-2003 at 05:55:20       [Reply]  [No Email]
Again?


Salmoneye    Posted 08-10-2003 at 05:57:41       [Reply]  [No Email]
You said:

"The nylon has 2 small cracks in it that are allowing water to leak thru."

Clean the sleeve well, and then squeeze some mixed up JB Weld into the cracks, wipe off the excess with a damp cloth, and allow it to cure overnight...Then reassemble and hope for the best...

Just a thought...

;-)


Ron/PA    Posted 08-10-2003 at 05:10:57       [Reply]  [No Email]
Tom, you may want to look at tsc and see if they have a relief valve that you can use as a replacement? I have one on my pto sprayer, and the same kind on my pressure washer, I had the same problem, however I got mine when our local store was Central tractor, so I'm not sure if the new store carries any.
The only other short term option is to eliminate the valve, and NEVER shut off the wand, so that you don't build up too much pressure in the line or the pump.
Later
Ron


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