My back up sherwood regulator has a slight free flow at surface. I have not yet dove the scuba set. I puchased it used and plan to do a boat dive tomorrow. It is a older non adjustment type secondary reulator yellow in color. Any suggestions? I did try tapping the purge without results.
Needs a seal rebuild kit.... They are simple to do, open the regulator up first and check that there isn't any salt or dirt inside
SOURCE: old style sherwood blizzard regulator problem
The front of the regulator should twist off with a little effort then exposing the purge diaphram, check your dry cracking and deteireation, you shoud be able to dismantle the reg and assmeble easily, and when you do get it open lube the piston and diaphram with silicone grease, but not the side you breath from just the mechnical side.
SOURCE: I have a sherwood magnum 2en stage that is free
check your down stream valve in your first stage. this may be stuck or the spring may be out.
SOURCE: How clean the first Stage on my scuba regulator
Simple green an a toothbrush should work fine. For stubborn spots, soak in vinegar for 4-5 hours, if still not clean, then a mixture of water and automotive chrome cleaner (mild abrastive) and a toothbrush. Rinse well. If still not clean, consult your local Scuba repair shop.
SOURCE: Regulator free flows
A well tuned reg will easily freeflow. Try holding the mouthpiece downward and SLOWLY rotating to fill the 2nd stage with water.
If that does not stop the freeflow and/or if the 2nd bubbles even with the mouthpiece held downward, the you need to get the reg serviced.
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