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techtalk:evo:oil01 [2024/02/21 18:04] hippysmack [Oil Check Valve (77-E87)] |
techtalk:evo:oil01 [2024/02/21 18:51] hippysmack [Sub Documents] |
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| * [[techtalk:evo:oil01q|Oil Pressure Switch Removal and Installation]] | * [[techtalk:evo:oil01q|Oil Pressure Switch Removal and Installation]] | ||
| - | See also [[techtalk:ref:svcproc30#testing_the_oil_pressure_switch|Testing the Oil Pressure Switch]] in the Ref section of the Sportsterpedia. \\ | + | See also in the REF section of the Sportsterpedia: \\ |
| + | * [[techtalk:ref:oil19|Homemade Oil Pressure Light]] in case you don't have one. \\ | ||
| + | * [[techtalk:ref:svcproc30#testing_the_oil_pressure_switch|Testing the Oil Pressure Switch]] \\ | ||
| The oil pressure switch (for the oil light) is a pressure actuated diaphragm type on / off switch basically. \\ | The oil pressure switch (for the oil light) is a pressure actuated diaphragm type on / off switch basically. \\ | ||
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| The Oil Check Valve on 1986-E1987 engines is located behind the threaded filter adapter in the center of the oil filter mount. The filter adapter I.D. was enlarged on the filter end to accept the check valve. The check valve operation is dependent on receiving filtered oil (through the filter media) to lift the check valve cup and allow oil to pass. Therefore, a stopped up oil filter media condition (not allowing flow or enough flow) may not produce enough oil pressure to open the check valve before the filter bypass opens. \\ | The Oil Check Valve on 1986-E1987 engines is located behind the threaded filter adapter in the center of the oil filter mount. The filter adapter I.D. was enlarged on the filter end to accept the check valve. The check valve operation is dependent on receiving filtered oil (through the filter media) to lift the check valve cup and allow oil to pass. Therefore, a stopped up oil filter media condition (not allowing flow or enough flow) may not produce enough oil pressure to open the check valve before the filter bypass opens. \\ | ||
| - | **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**. \\ |
| + | It adds additional restriction in the feed path which raises the oil pressure in the chamber feeding the switch. \\ | ||
| |{{:techtalk:evo:oil:77-e87_oil_check_valve_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-e87_oil_check_valve_location_2_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:77-e87_oil_check_valve_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-e87_oil_check_valve_location_2_by_hippysmack.jpg?direct&300|}}| | ||
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| | Check Ball (26437-86A) L87-91 \\ (replaced by (26437-86B) ) ((photo by Hippysmack)) | Check Ball (26437-86B) 92-Up ((photo by jordan1200 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/196304-oil-filter-mount-and-check-valve?t=2072806)) | Check Ball and Spring Kit (33116-86A) for 86 -up Models ((photo by Hippysmack)) | | | Check Ball (26437-86A) L87-91 \\ (replaced by (26437-86B) ) ((photo by Hippysmack)) | Check Ball (26437-86B) 92-Up ((photo by jordan1200 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/196304-oil-filter-mount-and-check-valve?t=2072806)) | Check Ball and Spring Kit (33116-86A) for 86 -up Models ((photo by Hippysmack)) | | ||
| - | ====== Wet Sumping / Sit Sumping ====== | + | |
| - | See article on [[techtalk:ref:oil10|Wet Sumping]] in the REF section of the Sportsterpedia | + | |
| \\ | \\ | ||
