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techtalk:ref:svcproc30 [2023/11/03 02:45] ixl2relax |
techtalk:ref:svcproc30 [2024/02/21 17:20] (current) hippysmack [In the Case of a Defective Oil Pump Switch] |
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| ====== REF: Service Procedures 30 ====== | ====== REF: Service Procedures 30 ====== | ||
| + | \\ | ||
| ===== Testing the Oil Pressure Switch ===== | ===== Testing the Oil Pressure Switch ===== | ||
| + | ==== In the Case of a Defective Oil Pump Switch ==== | ||
| + | This switch opens and closes the contacts to the oil pressure light. \\ | ||
| + | The oil light is important to have since if it is not working, it can be assumed that you have little to no oil flow to the engine. \\ | ||
| + | If the pressure switch doesn't operate the light it should be checked for proper operation or replaced. \\ | ||
| + | For the $30 or whatever you save by not buying the switch, it's just not worth it to not have the low engine pressure idiot light working. ((billeuze of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/121221-76-ironhead-oil-line-help-with-photos/page3?t=1185646&page=3)) \\ | ||
| + | If your motor is ready to run and you need to test it then you can connect a piece of clear hose so you can see oil in it. \\ Don't plug the end till you've primed the pump (with ignition off kick it over a few times until oil comes out the clear pipe where the pressure switch lives). \\ | ||
| + | Replace a defective switch as soon as possible. \\ | ||
| + | |||
| + | * If the pressure switch is stuck in the closed position; \\ The circuit stays grounded with the engine running and the light stays on. \\ Hardened oil goop around the end of the switch can possibly block oil pressure from opening the switch. | ||
| + | * If the pressure switch is stuck in the open position; \\ The circuit will stay open with the engine running or not. \\ The light will not come on during startup or alert you of low oil pressure during engine operation. | ||
| + | |||
| ==== Testing for an Open Circuit ==== | ==== Testing for an Open Circuit ==== | ||
| These were bench tested but can simulate conditions while installed with the signal wire removed. \\ | These were bench tested but can simulate conditions while installed with the signal wire removed. \\ | ||
