crwdns2934241:0crwdne2934241:0 Gary Naka

crwdns2934249:0crwdne2934249:0:

No.

There is no pressure adjustment feature.

The OPV could be tinkered with, but be VERY careful.  If you damage the OPV, you are sunk, as there is NO replacement OPV available.  I looked for one.

crwdns2915684:0crwdne2915684:0:

open