Pat DeWitt wrote in 070119 MMDigest:

> Please reply with your recommendations on the best way to separate
> (break apart) the Ampico valve blocks so the pouches can be replaced.
> Before I mess up a bunch of them I want to be sure to do it right ...
> whatever that is.

1. Remove all metal parts (cap, hose elbow).  The bleed is small
enough not to matter.

2. Heat in a microwave oven for a few seconds at high power.  You will
need to experiment with the time.

3. At the proper temperature, the segments can easily be pulled apart.

A. B. Bonds