Do you have a question about the Ametek Magnetrol B74 and is the answer not in the manual?
Explains the displacer switch operation using magnetic attraction and a non-magnetic enclosing tube.
Details the sequence of events as liquid level rises and falls, actuating the switch mechanism.
Instructions for unpacking the unit, inspecting for damage, and checking contents against packing slip.
Recommendation for using additional level switches for high-high or low-low level alarms for protection.
Guidance on proper piping, ensuring straight runs, and providing adequate support for the control unit.
Details on mounting the control vertically, within three degrees of tilt, and close to the vessel.
Steps for rotating the switch housing and connecting electrical wiring, including safety precautions.
Key maintenance tasks include keeping the control clean and inspecting mechanisms, terminals, and connections.
Guidelines on improper practices like leaving covers off or using incorrect lubricants on the mechanism.
Provides guidance for diagnosing and resolving operational issues with the switch mechanism or sensing unit.
Lists and explains the various agency approvals and certifications applicable to the external cage displacer switches.
Details product specifications including actuation levels, dimensions, and material construction for various models.
Identifies and lists replacement parts for flanged and sealed cage designs, with part numbers and kits.
Explains the nomenclature and coding for model numbers, including pressure ratings, materials, and connections.