Max300-LG : Description - Specifications - Installation Guide
Extrel
Core Mass Spectrometers
Page 35
• Each inlet to the rotary valve is equipped with a filter. If it becomes clogged, it
should temporarily be removed. Do not operate continuously without a filter. Any
particulates present in the sample will drastically shorten the valve’s life.
• If the actuator loses proper alignment with the valve body, it may resemble a
blocked valve.
Valve will not rotate
• May result from an improperly connected valve actuator, either the DC power
cord or the Serial COM cable (three pin push on connector) that commands the actuator.
• A faulty valve actuator.
• A valve rotor that has seized.
Valve selects the wrong stream
• Indicates a problem with valve alignment. Refer to the Multiposition Electric
Actuator Instruction manual for the procedure to align the valve.
• A badly scored rotor will allow "cross talk" between adjacent streams.
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