New Excall 2

[Mike (Virginia Beach)]

Yes, every time. It keeps the O-ring soft and supple (down boy!) and aids in making a good seal.

 

[alaskaseeker]

Probably the most important thing is to inspect the O ring carefully if it has developed flat spots and is no longer very supple it is time to get another, realistically you shouldn't need lube on an O Ring but it does not hurt to apply it ...Geo

 

[Mike (Virginia Beach)]

O-rings like that will dry up and shrink without the silicone. Although the Excal owner's manual says this,