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techtalk:ih:oil03a [2021/09/19 23:44] hippysmack [Late 1983 oil pump assembly design modification] |
techtalk:ih:oil03a [2023/12/31 21:25] hippysmack |
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|{{:techtalk:ih:oil:83_xlx_oil_pump_by_gc5444.jpg?direct&300|}}| | |{{:techtalk:ih:oil:83_xlx_oil_pump_by_gc5444.jpg?direct&300|}}| | ||
- | | Oil Pump on 83 XLX ((photo by GC5444 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1704016)) | | + | | Oil Pump on 83 XLX ((photo by GC5444 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/159045-83-oil-line-checks?t=1704016)) | |
Line 39: | Line 39: | ||
==== L83-85 ==== | ==== L83-85 ==== | ||
- | | Late 83-85 pump body ((photo by marklocklear of the XLFORUM http://xlforum.net/forums/showthread.php?p=5729472#post5729472)) | | + | | Late 83-85 pump body ((photo by marklocklear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/195988-seized-oil-pump/page2#post4274850)) | |
|{{:techtalk:ih:oil:l83_pump_body_by_marklocklear.jpg?direct&300|}}| | |{{:techtalk:ih:oil:l83_pump_body_by_marklocklear.jpg?direct&300|}}| | ||
+ | |||
===== Oil Pump Cover ===== | ===== Oil Pump Cover ===== | ||
==== 77-E83 ==== | ==== 77-E83 ==== | ||
Line 50: | Line 51: | ||
==== L83-85 ==== | ==== L83-85 ==== | ||
- | |Late 83-85 pumpcover ((photo by marklocklear of the XLFORUM http://xlforum.net/forums/showthread.php?p=5729472#post5729472))| | + | |Late 83-85 pumpcover ((photo by marklocklear of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/195988-seized-oil-pump/page2#post4274850))| |
|{{:techtalk:ih:oil:l83_pump_cover_marklocklear.jpg?direct&300|}}| | |{{:techtalk:ih:oil:l83_pump_cover_marklocklear.jpg?direct&300|}}| | ||
+ | |||
====== Gearshaft ====== | ====== Gearshaft ====== | ||
See also [[techtalk:ih:oil03b#gear_shaft_dims|Gear Shaft Dims]]. \\ | See also [[techtalk:ih:oil03b#gear_shaft_dims|Gear Shaft Dims]]. \\ | ||
Line 60: | Line 62: | ||
|{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_2.0_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_comparison_1_by_dirtycory.jpg?direct&300|}}| | |{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_2.0_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_comparison_1_by_dirtycory.jpg?direct&300|}}| | ||
- | | All have 20 teeth gears ((photo by Hippysmack)) |Longer shaft (L), Shorter shaft (R) with hash marks \\ on the top. Reason for the hash marks presently \\ unknown. ((photo by DirtyCory of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071153&page=8))| | + | | All have 20 teeth gears ((photo by Hippysmack)) |Longer shaft (L), Shorter shaft (R) with hash marks \\ on the top. Reason for the hash marks presently \\ unknown. ((photo by DirtyCory of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when/page8?t=2071153&page=8))| |
|{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_comparison_2_by_dirtycory.jpg?direct&300|}}| | |{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_comparison_2_by_dirtycory.jpg?direct&300|}}| | ||
- | | This shows where the wear occurs. ((photo by Hippysmack)) | Lengths slightly different. ((photo by DirtyCory of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071153&page=8)) | | + | | This shows where the wear occurs. ((photo by Hippysmack)) | Lengths slightly different. ((photo by DirtyCory of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when/page8?t=2071153&page=8)) | |
====== Gear Shaft Retaining Ring ====== | ====== Gear Shaft Retaining Ring ====== | ||
Line 72: | Line 74: | ||
|{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_retaining_ring_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_retaining_ring_location_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ih:oil:77-85_oil_pump_gear_shaft_retaining_ring_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_retaining_ring_location_by_hippysmack.jpg?direct&300|}}| | ||
| Gear shaft retaining ring (26497-75) ((photo by Hippysmack)) | Installed location ((photo by Hippysmack)) | | | Gear shaft retaining ring (26497-75) ((photo by Hippysmack)) | Installed location ((photo by Hippysmack)) | | ||
+ | |||
====== Gearshaft Pins ====== | ====== Gearshaft Pins ====== | ||
See also [[techtalk:ih:oil03b#section2648875|Gearshaft Pin Dims]] \\ | See also [[techtalk:ih:oil03b#section2648875|Gearshaft Pin Dims]] \\ | ||
- | The gear shaft solid pin (26430-76), not to be confused with a roll pin with a hollow core ((brucstoudt of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071153&page=5)), was used in 77-90 oil pumps. \\ | + | The gear shaft solid pin (26430-76), not to be confused with a roll pin with a hollow core ((brucstoudt of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when/page5?t=2071153&page=5)), was used in 77-90 oil pumps. \\ |
The diameter and lengths of the pins vary. \\ | The diameter and lengths of the pins vary. \\ | ||
The shaft pins don't have to run out and touch the gerotors. \\ | The shaft pins don't have to run out and touch the gerotors. \\ | ||
Line 88: | Line 91: | ||
So, there is extra clearance between the gearshaft and pump housing bore. \\ | So, there is extra clearance between the gearshaft and pump housing bore. \\ | ||
After the retaining ring comes out, the shaft can drop into this tapered bore clearance and the lower pin can scratch the aluminum sides. \\ | After the retaining ring comes out, the shaft can drop into this tapered bore clearance and the lower pin can scratch the aluminum sides. \\ | ||
- | |||
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. \\ | ||
Line 100: | Line 102: | ||
|{{:techtalk:ih:oil:lower_shaft_pin_installed_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ih:oil:lower_shaft_pin_installed_by_hippysmack.jpg?direct&300|}}| | ||
| Lower shaft pin installed ((photo by Hippysmack)) | | | Lower shaft pin installed ((photo by Hippysmack)) | | ||
+ | |||
====== Separator Plates ====== | ====== Separator Plates ====== | ||
The 77-90 oil pumps used two plates to separate the feed and scavenge gerotors. \\ | The 77-90 oil pumps used two plates to separate the feed and scavenge gerotors. \\ | ||
Line 107: | Line 110: | ||
|{{:techtalk:ih:oil:77-85_oil_pump_separator_plate_locations_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ih:oil:77-85_oil_pump_separator_plate_locations_by_hippysmack.jpg?direct&300|}}| | ||
| Separator plate locations ((photo by Hippysmack)) | | | Separator plate locations ((photo by Hippysmack)) | | ||
+ | |||
===== Inner Plate ===== | ===== Inner Plate ===== | ||
See also; \\ | See also; \\ | ||
Line 120: | Line 124: | ||
|{{:techtalk:ih:oil:77-85_inner_plate_installed_position_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ih:oil:77-85_inner_plate_installed_position_by_hippysmack.jpg?direct&300|}}| | ||
|Inner separator plate installed position. \\ (pump upside down) ((photo by Hippysmack))| | |Inner separator plate installed position. \\ (pump upside down) ((photo by Hippysmack))| | ||
+ | |||
===== Outer Plate ===== | ===== Outer Plate ===== | ||
See also; \\ | See also; \\ | ||
Line 131: | Line 136: | ||
Notice the difference of the cut out or recessed area of the inside diameter of the outer plates. \\ | Notice the difference of the cut out or recessed area of the inside diameter of the outer plates. \\ | ||
- | This is for the different style of seals. ((DirtyCory of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071153)) \\ | + | This is for the different style of seals. ((DirtyCory of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when?t=2071153)) \\ |
Either plate will fit 77-90 oil pumps with their respective seals. \\ | Either plate will fit 77-90 oil pumps with their respective seals. \\ | ||
|{{:techtalk:ih:oil:outer_plates_by_dirtycory_-_annotated.jpg?direct&500|}}|{{:techtalk:ih:oil:outer_plate_installed_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ih:oil:outer_plates_by_dirtycory_-_annotated.jpg?direct&500|}}|{{:techtalk:ih:oil:outer_plate_installed_by_hippysmack.jpg?direct&300|}}| | ||
- | | Outer plate comparison ((photo by DirtyCory of the XLFORUM, annotated by Hippysmack http://xlforum.net/forums/showthread.php?t=2071153)) | Outer plate installed position \\ (pump upside down) ((photo by Hippysmack)) | | + | | Outer plate comparison ((photo by DirtyCory of the XLFORUM, annotated by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when?t=2071153)) | Outer plate installed position \\ (pump upside down) ((photo by Hippysmack)) | |
|{{:techtalk:ih:oil:77-82_oil_pump_outer_separator_plate_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-82_oil_pump_outer_separator_plate_2_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_outer_separator_plate_4_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ih:oil:77-82_oil_pump_outer_separator_plate_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-82_oil_pump_outer_separator_plate_2_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:77-85_oil_pump_outer_separator_plate_4_by_hippysmack.jpg?direct&300|}}| |