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Connections| Crankcase balance vent connection | 1/2 NPTF (top) |
|---|---|
| Inlet connection | 2 x 3/4 NPTF (side) |
| Conduit connection | 1/2 inch conduit (female, top) |
Switch Specifications| Snap-switch SPDT rating (AC) | 10 A, 125 VAC |
|---|---|
| Snap-switch SPDT rating (DC) | 0.5 A, 125 VDC, 10 A, 30 VDC |
Pressure and Temperature| Maximum inlet pressure | 9.50 psi/25 ft. oil (head pressure) |
|---|---|
| Maximum differential pressure | 2 in (51mm) between running and stopped |
| Maximum ambient temperature | 250°F (121°C) |
Physical Characteristics| Wire leads length | 14 in +/- 2 in (355 mm) |
|---|---|
| Case material | Die cast aluminum |
| Lens material | Clear “Frog Eye” non-staining, high impact, high temperature nylon |
Details the function of the Murphy LM500 model in maintaining crankcase oil levels for engines, pumps, and compressors.
Provides detailed technical drawings and measurements for the LM500, including pipe and universal mounting configurations.
Explains the function of the test feature in the LM500-TF model, confirming float and switch operation.
Lists the components included in the Hose Kit (P/N 15000355), such as hoses and clamps.
Details the contents of the Vent Fittings Kit (P/N 15000954), including a tubing vent and connector.
Specifies the parts within the Fittings Kit (P/N 15000943), such as tubing vent and hose barbs.
Provides instructions for mounting the LM500 unit using pipe or universal brackets.
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