Azbil Corporation
Model: AMT, HDT - CV3000 Series Control Valves
8
3. INSPECTION AND MAINTENANCE
Inspect and service the actuator as follows:
(1) Tightening the gland:
Tighten the gland once in every 6 months or thereabout.
The tightening procedure is as given in Section 2-3-(3).
(2) Lubricating the gland:
Lubricating the gland once in every 6 months or thereabout.
The lubricating procedure is as given in Section 2-3-(4).
(3) Check for hunting of valve Position:
Refer to Section 10 “TROUBLESHOOTING.”
(4) Check for abnormal noise and vibration:
Refer to Section 10 “TROUBLESHOOTING.”