Ametek Amrel PLA Series Operation Manual page 147

4) Locate the black rubber diaphragm, and remove it. (Do not forcefully remove the rubber diaphragm, it
could be permanently damaged). After removing the solenoid valve assembly from the PLW unit,
look for any residue or sediments that may be clogging the system, and ensure there are no build -ups
around the internal components.
M470039-01 REV-F Page 146