APG MLS Movable Float user manual - Manual (Page 8)

MLS Series Rev. B1, 4/07
8
Automation Products Group, Inc.
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• Wiring
Note:
• This switch contact is S.P.D.T. by
microswitch.
• Do not exceed the contact
ratings.
• Install solderless lugs fi tted to M3
• Technical Notes
• This switch shall be mounted vertically.
• When there are surface wave motion, install stilling tube.
• Maintenance/Inspection
The following annual servicing tasks should be carried out on the switch:
• Visually check the switch exterior for damage.
• If sediment or other foreign matter are stained on wetted parts of switch,
keep wetted parts of switch clean.
• Connect ohmmeter or electronic buzzer to terminals, check the switch
actuation corresponding to fl oat operation.
Reinstall and rewiring the switch after maintenance/inspection in
accordance with the Installation and Wiring sections of this manual.