DeZurik G-SERIES Manuale - Pagina 11

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DeZurik G-SERIES Manuale

Troubleshooting

Condition
Actuator will not fully operate
valve
Actuator rotates wrong
direction
October 2012
Cylinder Operated G-Series Actuator
Possible Cause
Cylinder pressure is low
Piston seal in cylinder is leaking
Pipeline obstruction in valve is
preventing closure
Air connections to cylinder are
incorrect
Page 11
DeZURIK
Corrective Action
Increase cylinder pressure. Do
not exceed 100 psi (69 kPa).
Replace piston seal(s). See
Cylinder instructions.
Remove obstruction
Reverse air connections to
cylinder
D10082