My experience is that as the blast media gets old, or your supply runs low, you
have trouble with the pickup. My solution, not very classy, is to regularly
give
the media hopper a boot. sometimes it helps to hold your finger over the nozzle
so that air is forced back into the hopper, thereby shaking up the supply and
causing it to fall to the pickup. John
Roland Wilhelmy wrote:
> Besides the possibility of moisture in the medium already posted, it
> sounds like something amiss with your supply hoses or valves. Do you
> have a pressure blaster or syphon setup? With a pressure blaster you
> can adjust air supply separately from medium supply. With a syphon
> setup is sounds as if you aren't getting enough suction to lift the
> medium to the gun. I would look for a leak in the pickup line or try
> shortening it as much as possible.
>
> Wet air could cause you grief, too. Do you have a moisture trap on
> your air line? You shouldn't have to live with a blaster that doesn't
> work right. Good luck,
>
> -Roland
>
> On Sat, 31 Oct 1998 12:57:49 -0500, you wrote:
>
> ::
> :: I have a small problem with my blast cabinet. [snip]
> :: When I start blasting, I only get media in the first "spurt" of the
> :: trigger. Then if I release and pull the trigger again, I get blast on that
> :: first spurt again. If I hold down the trigger, I only get air. So I have
> :: to keep on squezing the trigger and releasing it to blast objects.
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