EFE Valve
- Visually inspect valve for obvious cracks or hose disconnects.
- Manually apply 8-10 in. Hg vacuum to EFE valve. Actuator link should pull inward. Remove vacuum supply and observe link. It should move outward (valve opening).
- Reapply 8 in. Hg vacuum and seal. Diaphragm should hold this level for at least one minute. If not, replace diaphragm or valve components.