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techtalk:evo:oil03i [2018/12/24 00:37] hippysmack [Spring Washer] |
techtalk:evo:oil03i [2018/12/24 05:39] hippysmack [Gearshaft Pins] |
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| ====== EVO: Oiling & Lubrication - Sub-03I ====== | ====== EVO: Oiling & Lubrication - Sub-03I ====== | ||
| ====== 86-90 Oil Pump (26204-86) Individual Parts and Pics ====== | ====== 86-90 Oil Pump (26204-86) Individual Parts and Pics ====== | ||
| + | See also See also [[techtalk:evo:oil03j#oil_pump_26204-86_parts_approximate_dims|86-90 Oil Pump (26204-86) Parts (approximate) Dims]] | ||
| ====== Oil Pump Body and Cover ====== | ====== Oil Pump Body and Cover ====== | ||
| ===== Oil Pump Body ===== | ===== Oil Pump Body ===== | ||
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| |{{:techtalk:evo:oil:86-90_oil_pump_cover_4_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_cover_5_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_cover_6_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:86-90_oil_pump_cover_4_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_cover_5_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_cover_6_by_hippysmack.jpg?direct&300|}}| | ||
| - | ===== Gearshaft ===== | + | ====== Gearshaft ====== |
| The gear shaft part number (26488-75) was used from 77-90. \\ | The gear shaft part number (26488-75) was used from 77-90. \\ | ||
| The gear has 20 teeth. \\ | The gear has 20 teeth. \\ | ||
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| |{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_2_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_2_by_hippysmack.jpg?direct&300|}}| | ||
| - | ===== Gearshaft Retaining Ring ===== | + | ====== Gearshaft Retaining Ring ====== |
| Gear shaft retaining ring (26497-75) was used on 77-90 model oil pumps. \\ | Gear shaft retaining ring (26497-75) was used on 77-90 model oil pumps. \\ | ||
| It keeps the inner plate, return gerotors and gearshaft locked in the pump. \\ | It keeps the inner plate, return gerotors and gearshaft locked in the pump. \\ | ||
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| |{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_retaining_ring_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_retaining_ring_2_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_retaining_ring_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_pump_gearshaft_retaining_ring_2_by_hippysmack.jpg?direct&300|}}| | ||
| - | ===== Gearshaft Pins ===== | + | ====== Gearshaft Pins ====== |
| The gear shaft solid pin (26430-76), was used in 77-90 oil pumps. \\ | The gear shaft solid pin (26430-76), was used in 77-90 oil pumps. \\ | ||
| The diameter and lengths of the pins vary. \\ | The diameter and lengths of the pins vary. \\ | ||
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| The installed lower pin also holds the outer plate in the pump body. \\ | The installed lower pin also holds the outer plate in the pump body. \\ | ||
| The length of this pin could be a potential issue under the right conditions. \\ | The length of this pin could be a potential issue under the right conditions. \\ | ||
| - | Too short and it could get make it's way into the hole in the plate and tear the seal. \\ | + | Too short and it could get make it's way into the hole in the plate and upset the center of the pressed in seal. \\ |
| This could induce slop in the plate and allow it to try to spin the plate against the roll pin in the body. \\ | This could induce slop in the plate and allow it to try to spin the plate against the roll pin in the body. \\ | ||
| As well as create a leak from the feed side and allow oil to float up into the engine thru the gearshaft bore. \\ | As well as create a leak from the feed side and allow oil to float up into the engine thru the gearshaft bore. \\ | ||
