I have a new Hoke torch for oxy-propane. The problem is the
little knobs for adjusting the flame at the torch won't stay at the
setting that I have turned them to. They slide back at least half
a turn. Is there something I can do about this? I would be
grateful for any advice.
They just don't make em like they used to, huh. Current
manufacturing on the Hokes (China, I think) is a bit sloppy.
But you probably can help things a lot by adjusting the tension on
the nuts the clamp the knobs to the torch. Those are the hex nuts
that the knobs extend from. Tightening them down, or loosening them
up, changes the tension on the knobs, which may not be perfect, but
should adjust to closer than you describe. Quite similar to the
"packing" nuts on kitchen faucets...