Diaphragm Valve Replacement (Non-Blenders Only); Actuator Replacement (Non-Blenders Only) - Wayne Dresser Vista 1 Series Service Manual

7.2.2.

Diaphragm Valve Replacement (Non-Blenders Only)

1. Remove the three (3) bolts which secure the diaphragm valve to the strainer
2. Remove the three (3) bolts which secure the diaphragm valve to the meter
3. Remove the two (2) bolts which secure the diaphragm valve to the rear of
4. Remove the two screws which secure the actuator to the diaphragm casting
5. Install the actuator onto the new diaphragm casting and reinstall the
6. Check operation and inspect for leaks.
7.2.3.

Actuator Replacement (Non-Blenders Only)

1. Remove the actuator from the diaphragm valve casting by first removing the
2. Install the new actuator.
3. Check operation and inspect for leaks.
70
Part No. 920160 Rev A
casting.
support.
the junction box, and pull the diaphragm valve free.
and remove the actuator.
diaphragm valve, using the reverse procedure. Be sure to install a new
gasket between the diaphragm and the strainer casting and replace the o-ring
or gasket, in kind, between the valve and meter support.
two screws which secure it.
February 1997