s30 valve leaking ??????????

[the shadow]

was loseing top pressher on my keg so i sprayed sopey water over the cap as i had just changed the rubbers . the gas leak wass coming from the top of the valve so ive put the old rubber over the new one. any one else had any probles like this and how did you fix it

 

[evanvine]

If you double up on the rubbers you are going to alter the "off load" characteristic.
Gently rotate the new rubber until it seals.