[TR] PDWA valve

dave1massey at cs.com dave1massey at cs.com
Sun Apr 10 19:53:32 MDT 2011


 

No.   The shuttle itself has a seal at each end where it enters the pressure chamber on either side.  In between it is open to atmosphere.  If you get fluid leaking from the switch the PDWA needs new seals.

Dave


 

 

-----Original Message-----
From: Jerry Van Vlack <jerryvv at roadrunner.com>

List,


Does the switch on the top of the PDWA valve (TR6 and 250 and others I guess) 
have any type of seal between it (the plastic switch) and the brass PDWA 
housing? No apparent seal from what I see in the TRF TR6 Parts Manual, although 
the drawing of the switch would seem to show a seal of some type. No separate 
listing for a seal is shown.

Thanks,
JVV


 


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