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techtalk:ih:oil01 [2020/05/19 17:56] hippysmack [Oil Pump Check Valve] |
techtalk:ih:oil01 [2020/06/05 21:04] hippysmack [Engine Oil Pressure (57-85)] |
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| ====== Engine Oil Pressure (57-85) ====== | ====== Engine Oil Pressure (57-85) ====== | ||
| See also [[techtalk:ref:oil04#sportster_oil_pressure_57_to_present|Sportster Oil Pressure (57 to Present)]] in the REF section of the Sportsterpedia. \\ | See also [[techtalk:ref:oil04#sportster_oil_pressure_57_to_present|Sportster Oil Pressure (57 to Present)]] in the REF section of the Sportsterpedia. \\ | ||
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| + | On ironheads, 80% of oil pressure is sent to the bottom end and 20% is sent to the top end. ((2000 MMI Documents)) \\ | ||
| The oil pump is non-regulatory and delivers its entire volume of oil under pressure to the oil filter mount. \\ | The oil pump is non-regulatory and delivers its entire volume of oil under pressure to the oil filter mount. \\ | ||
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| **The oil pump check valve plays a role in the operation of the oil pressure switch**. \\ | **The oil pump check valve plays a role in the operation of the oil pressure switch**. \\ | ||
| - | {{:techtalk:ih:oil:77-85_oil_check_valve_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:ih:oil:aaa77-85_oil_pump_check_valve_pocket_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) \\ | + | {{:techtalk:ih:oil:77-85_oil_check_valve_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:ih:oil:77-85_oil_pump_check_valve_pocket_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) \\ |
| The check valve is not a pass through but instead a cartridge type one way check valve operated by a spring loaded cup against a seat pressing at 4-6 PSI. \\ | The check valve is not a pass through but instead a cartridge type one way check valve operated by a spring loaded cup against a seat pressing at 4-6 PSI. \\ | ||
