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Flowserve Valtek Mark 10 Survivor Control Valves User Manual

Page 13

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Valtek Mark 10 Survivor Control Valves FCD VLENIM0036-05 – 07/09

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4.8.

Ensure all accessories, brackets and bolting are securely fastened.

4.9.

If possible, remove the air supply and observe the actuator for correct fail-safe action.

4.10.

Spray a soap solution around the cylinder actuator retaining ring, adjusting screw and
actuator stem guide to check for air leaks through the O-rings.

4.11.

Clean any dirt or foreign material from the plug stem.

4.12.

If an air filter is supplied, check and replace the cartridge if necessary.