1+ on this from Dennis! Been there and done that when I replaced T-handle with 
pressure gauge. 


My diesel mechanic (having replaced/tightened all other fittings) suggested 
replacing the Racor filter top. 


Done and problem gone--when Racor says hand-tighten this top--PAY ATTENTION. 
Sometimes too tight is as bad as too loose!


Plus once the top is warped, tightening more just warps it more--a new top is 
the only solution for this warping.


Charlie Nelson


[email protected]




-----Original Message-----
From: Dennis C. via CnC-List <[email protected]>
To: CnClist <[email protected]>
Cc: Dennis C. <[email protected]>
Sent: Mon, Dec 3, 2018 9:36 pm
Subject: Re: Stus-List Stuffing box issue and update on dirty fuel



Racor 500 fuel filter tops can warp over time allowing air to leak in.  If the 
T-handle is over-tightened, it can cause the top to become concave. Lay a flat 
across the underside of the top and see if the center is depressed (raised if 
the top is upside down).  If so, you can't tighten the T-handle enough to seal 
the gasket.


Also, the gasket can leak if old.  Replace it often.


Dennis C.







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