CR-Tec CR50S 설치, 운영 및 유지보수 지침 매뉴얼 - 페이지 12

{카테고리_이름} CR-Tec CR50S에 대한 설치, 운영 및 유지보수 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. CR-Tec CR50S 16 페이지. Compact electric actuator

8. Maintenance

A. Lubrication

Lubrication is already done by factory and generally no need field lubricate.

In places such as very dry condition below 15% Rh or high temperature higher than 30°C,

it is required to lubricate every two years through Grease nipple.

B. Regular operation

Even if you do not use an actuator, electrical power always should be supplied to actuator and it is

recommended to operate actuator once a week

C. Maintenance

Actuator should be thoroughly checked at least once a year.

· Disconnect all power to actuator.

· Check that all external bolting and mounting to the valve is secure and aligned.

· Check to see that conduit connections are installed properly and are dry.

· Open Electrical Enclosure.

· Visually inspect for cleanliness and any electrical or mechanical damage.

· Inspect for excess moisture and condensation inside the electrical enclosure.

· Confirm that wiring is insulated, connected and terminated properly.

· Check enclosure O-ring seals and verify that the O-ring is not pinched between the flanges.

· Visually inspect during open/close cycle.

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CR-TEC

Engineering Inc.

• [email protected] • www.crtec.com • 203-318-9500