These float actuated Oil Level Swichgage instruments are a combination oil level sight gage and adjustable, low and/or high limit switch. The limit switches are normally open during operation – yet close if the level drops (or rises) to where the float contacts the limit screw. The contact completes a circuit to ground a magneto or trip a Murphy magnetic switch. The magnetic switch can be used to activate alarms and/or shutdown. Models are also available without limit switches.
The level instruments described above can be used on a variety of crankcases, pump gearcases, or oil reservoirs – primarily on small engines and pumps. The following list displays the model and its typical application:
L100: Small engines and pumps with non-vented crankcase.
L100W: Small engines and pumps with vented crankcase.
L120: Machined surface on crankcase such as Witte, National-Oilwell/Garland.
L127: Machined surface on crankcase, specifically, Fairbanks-Morse ZC Series and Bell Engines.
L128: Machined surface on crankcase, specifically, Arrow and Continental Emsco/Climax.
See Oil Level and Condition Without Shutting Down
Shutdown or Alarm on Low Lube Level
Adjustable Limit Switch for Alarm and/or Shutdown
Save on Reduced Downtime and Repair Costs
Simple Installation
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