RL 51 trigger gun rebuild

JBurd

JBurd

New member
I have a PA RL51 trigger gun that was leaking like crazy. Took it apart and the ceramic ball and spring are good, but there appears to be no seat or oring to form a seal downstream of the ball. I found a parts diagram showing they're supposed to be there. Oh well. Anybody sell that? I'd probably buy 2 or 3.

9 30.1002.20 Seat, 7mm Sst. +O-ring 1,78 mm
 
I've got them. $25.25 each.
 
Russ Johnson said:
I've got them. $25.25 each.
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Thanks Russ. The reason I haven't ordered them yet is that I can't seem to get the old ones out. I can't even see them in there, it looks like solid construction that the ball seats against when the trigger pin isn't compressed. I even checked a second trigger gun that doesn't have any leaks, and other than some corrosion they looked the same. I want to make sure I know how to remove the old and install the new before I buy the rebuild kit. Any advice?

rl51 leaks.JPG
 
I don't bother rebuilding guns anymore personally. Once they start leaking I just toss them and put a brand new one on the hose. By the time you monkey around with it, order the parts and pay for everything it's just cheaper for me to get a brand new one.
 
Matty P said:
My giant gun is the only one I haven't had to replace or rebuild. All 3 of my suttners have needed rebuilds, they like to stick open when downstreaming.
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Which giant do you all use and does it draw soap well with 300' of hose? I switched to the pa rl 51 cause being rated for 13.2gpm it never has a problem drawing soap, but if they don't last that's a whole nother problem.
 
I think most of the guns are built pretty much the same. It would be nice though for one of the vendors on here to put a video together on how to rebuild one.
 
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