AMS FS1790, Руководство по установке, эксплуатации и техническому обслуживанию, Страница: 4 / 10

©AM SENSORS LTD
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AMS-S-082/DS/09.2016 (ISSUE 2)
4. Installation Installation
4.1 Removal of transport packaging
Remove the float switch carefully from the transport packaging; never forcibly
remove the float switch from the packaging.
Always handle the float switch by the switch body and /or by the mounting
flange.
Do not lift the float switch up by the float or float arm as this could cause the
tube to bend and invalidate any warranty.
Remove the temporary bolts holding the float switch body to the float arm
assembly and gently separate the 2 components.
4.2 Installation
The ATEX Group I horizontal float switch type FS1790 is designed to be solely
installed in the horizontal position, do not attempt to install this switch design in
the vertical position as the float will not operate the reed switch.
Prior to installing the float switches confirm that the vessel has the correct
mounting arrangement for the float switch. The suggested method of
mounting the float switch to the vessel is shown in Fig 1.
Insert the float arm assembly (Item 3- Fig 2) through the Ø68mm vessel
aperture ensuring that the assembly is aligned with the locating dowel
confirming correct switch orientation and slide over the mounting studs until it is
seated on the gasket (customer supplied).
Holding the float arm assembly in position, insert the float switch body (item 1-
Fig 2) and gasket (item 2- Fig 2) through the float arm assembly, align the float
switch cable entry flange so that it is facing vertically.
Fix in place using suitable nuts and washers and tighten to specific torque
rating for the studs.