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  #21  
Old 08-10-2011, 05:00 PM
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Quote:
Originally Posted by WalkGood View Post
Doesn't look like the wiper seal is leaking. Just the screw-on collar is leaking. Perhaps it wasn't tightened correctly?

I have also found that some very MUCH older PGP canisters do not mate up correctly with new guts-n-collars. Have to replace the whole unit or the screw top leaks. Anyone else have that happen?
Yep, bout 50% of the time.
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  #22  
Old 08-10-2011, 05:02 PM
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I went around and around with Hunter reps for 2 years before I had to switch. They would never admit to a product defect or improvements being made.

I find this a couple years later.

Quote:
The PGP has replaceable riser seals that may wear out over time. Sandy soils, sunken heads, or extremely hot and cold temperatures may also cause a seal to wear out prematurely
Quote:
Note: The new parts in this kit incorporate improvements that increase their durabilityand life of service
http://www.hunterindustries.com/Reso...l_replace.html
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  #23  
Old 08-10-2011, 05:03 PM
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The wiper seal causes them to leak around the cap threads.
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  #24  
Old 08-10-2011, 05:06 PM
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Quote:
Originally Posted by AI Inc View Post
Yep, bout 50% of the time.
Seriously, I hate when that happens. Screws up a 5 minute head change. Unscrew the old, screw in a new one. Make a dry adjustment. Turn on water and the tard-bas is leaking at the screw-top. Thinking you can get out the driveway real quick, then you have to dig out the whole thing.
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  #25  
Old 08-10-2011, 05:08 PM
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Quote:
Originally Posted by irritation View Post
The wiper seal causes them to leak around the cap threads.
Usually I see the water gushing around the riser shaft when the wiper seal is shot.
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  #26  
Old 08-10-2011, 05:10 PM
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and it's no simple job to replace the seals in a PGP.
You're much better off replacing the whole head with a 5000 that has a 5 year warranty.
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  #27  
Old 08-10-2011, 05:10 PM
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Quote:
Originally Posted by WalkGood View Post
Usually I see the water gushing around the riser shaft when the wiper seal is shot.
I see either or both.
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  #28  
Old 08-10-2011, 05:11 PM
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Quote:
Originally Posted by WalkGood View Post
Seriously, I hate when that happens. Screws up a 5 minute head change. Unscrew the old, screw in a new one. Make a dry adjustment. Turn on water and the tard-bas is leaking at the screw-top. Thinking you can get out the driveway real quick, then you have to dig out the whole thing.
And as you say a lot of times they are just loose , and that brings us right back to your pic of the dingy owned by the guy in the head tightening buss.

I dont know about others , but I actualy like selling sprinkler heads.
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  #29  
Old 08-10-2011, 05:14 PM
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I never replace the seals. Remove guts and swap or replace the whole unit.
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  #30  
Old 08-10-2011, 05:18 PM
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Originally Posted by WalkGood View Post
I never replace the seals. Remove guts and swap or replace the whole unit.
good man , who the hell wants to spend 5 min selling a $2 part.
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