Lincoln SA-250 4-Gauge Kit for Electronic Ignition System
This is a 4-Gauge Kit consisting of Murphy Ammeter, Murphy Temperature (mechanical), Hour Meter, and Murphy Oil Pressure Gauges. Kit contains the gauges, fittings, connectors, and relay for an SA-250 (with mechanical Temperature) Lincoln Pipeliner portable welder. Use 12-gauge automotive wire to/from the Ammeter and 14-gauge automotive wire on everything else.
THIS GAUGE SETUP IS DESIGNED TO SHUT-OFF YOUR WELDER IN CASE OF LOW OIL PRESSURE OR A HIGH COOLANT TEMPERATURE SITUATION AND THE RED LIGHT (OPTIONAL) WILL ILLUMINATE.
***** VERY IMPORTANT *****
Follow the directions included with the gauges to set the oil pressure trip to just under 15 psi and coolant temperature trip to 235 deg F to shut-off your welder!!
There are two viewable wiring diagrams shown at the left: 1) a wiring diagram for the basic 4-gauge setup and 2) the basic 4-gauge setup wiring diagram with an optional indicator light that when illuminated indicates there is a temperature or oil pressure issue that has shut down your engine.
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Call us with any questions 602-850-7399.