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techtalk:ih:oil03b [2018/12/28 02:57]
hippysmack [Oil Pump Body Dims]
techtalk:ih:oil03b [2024/01/01 18:23] (current)
hippysmack
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 [[:​techtalk:​menu|{{ ​ :​techtalk:​gototechnicalmenu.jpg|}}]] [[:​techtalk:​menu|{{ ​ :​techtalk:​gototechnicalmenu.jpg|}}]]
-====== IH: Oiling & Lubrication - Sub-03A ======+====== IH: Oiling & Lubrication - Sub-03B ====== 
 ====== 77-85 Oil Pump and Parts (approximate) Dims ====== ====== 77-85 Oil Pump and Parts (approximate) Dims ======
 See also [[techtalk:​ih:​oil03a|77-85 Oil Pump - Individual Parts and Pics]] See also [[techtalk:​ih:​oil03a|77-85 Oil Pump - Individual Parts and Pics]]
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 ✔ Specs from the FSM are shown with a checkmark by them. ✔ Specs from the FSM are shown with a checkmark by them.
  
-====== Oil Pump Cover Dims ======+====== Oil Pump Body Dims ====== 
 +|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-1_by_hippysmack.jpg?​direct&​300|}}|
  
-|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_2_by_hippysmack.jpg?​direct&​300|}}|+|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-4_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77_and_86_oil_pump_comparison_9_by_hippysmack.jpg?​direct&​300|}}|
  
-|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_4_by_hippysmack.jpg?​direct&​300|}}| +|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-10_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-5_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-3_by_hippysmack.jpg?​direct&​300|}}|
-====== Oil Pump Body Dims ======+
  
 +|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-7_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-6_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim-8_by_hippysmack.jpg?​direct&​300|}}|
  
- +|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_9_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_10_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_11_by_hippysmack.jpg?​direct&​300|}}|
-|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_12_by_hippysmack.jpg?​direct&​300|}}|+
  
 |{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_4_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_4_by_hippysmack.jpg?​direct&​300|}}|
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 |{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_6_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_5_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_6_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_5_by_hippysmack.jpg?​direct&​300|}}|
  
-|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_9_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_10_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_11_by_hippysmack.jpg?​direct&​300|}}|+|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_body_dim_12_by_hippysmack.jpg?​direct&​300|}}| 
 + 
 + 
 +====== Oil Pump Cover Dims ====== 
 + 
 +|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_5_by_hippysmack.jpg?​direct&​300|}}| 
 + 
 +|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_2_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_cover_dims_4_by_hippysmack.jpg?​direct&​300|}}|
  
 ====== Roll Pin Dims ====== ====== Roll Pin Dims ======
 |{{:​techtalk:​ih:​oil:​77_oil_pump_roll_pin_dim_1_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77_oil_pump_roll_pin_dim_1_by_hippysmack.jpg?​direct&​300|}}|
 +
 ====== Gear Shaft Dims ====== ====== Gear Shaft Dims ======
 The same gear shaft part number (26488-75) was used from 77-90. \\ The same gear shaft part number (26488-75) was used from 77-90. \\
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 However, there are variations of the exact length of the shaft. \\ However, there are variations of the exact length of the shaft. \\
  
-**Reported Dims**: ((DirtyCory of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2071153&​page=8)) \\+**Reported Dims**: ((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)) \\
 The shaft lengths reportly vary from around 4.160" to 4.205"​. \\ The shaft lengths reportly vary from around 4.160" to 4.205"​. \\
 The shaft diameters vary from 0.495" to 0.496"​. \\ The shaft diameters vary from 0.495" to 0.496"​. \\
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 Distance from drive gear to retaining ring groove 2.580"​. \\ Distance from drive gear to retaining ring groove 2.580"​. \\
 The only difference in markings on the 2 shaft lengths other than the length itself is the hash marks on top of the gear. \\ The only difference in markings on the 2 shaft lengths other than the length itself is the hash marks on top of the gear. \\
-Also noticed was that some of the holes in the gearshaft for the pins are drilled to different depths. ((DirtyCory of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2071153&​page=3)) \\+Also noticed was that some of the holes in the gearshaft for the pins are drilled to different depths. ((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/​page3?​t=2071153&​page=3)) \\
 |{{:​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_comparison_2_by_dirtycory.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_comparison_2_by_dirtycory.jpg?​direct&​300|}}|
-|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))| ​ Lengths slightly different. ((photo by DirtyCory of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2071153&​page=8)) ​ |+|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))| ​ 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)) ​ |
  
 The dims in the pics below were taken on a driveshaft from a used 79 oil pump. ((photos by Hippysmack)) \\ The dims in the pics below were taken on a driveshaft from a used 79 oil pump. ((photos by Hippysmack)) \\
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 |{{:​techtalk:​ih:​oil:​77-85_oil_pump_gear_shaft_bushing_dim_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_gear_shaft_bushing_dim_5_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77-85_oil_pump_gear_shaft_bushing_dim_3_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_gear_shaft_bushing_dim_5_by_hippysmack.jpg?​direct&​300|}}|
 +
 ====== Gear Shaft Retaining Ring Dims ====== ====== Gear Shaft Retaining Ring Dims ======
  
 |{{:​techtalk:​ih:​oil:​77-85_oil_pump_gear_shaft_retaining_ring_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_gear_shaft_retaining_ring_2_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_gear_shaft_retaining_ring_2_by_hippysmack.jpg?​direct&​300|}}|
 +
 ====== Gear Shaft Pin Dims ====== ====== Gear Shaft Pin Dims ======
 Gear shaft pin (26430-76) \\ Gear shaft pin (26430-76) \\
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 Different pins were mic'd and the dims noted as below: \\ Different pins were mic'd and the dims noted as below: \\
 |{{:​techtalk:​ih:​oil:​gearshaft_pin_dims_by_dirtycory.jpg?​direct&​200|}}| |{{:​techtalk:​ih:​oil:​gearshaft_pin_dims_by_dirtycory.jpg?​direct&​200|}}|
-|  Various pin lengths noted using \\ NOS and used pins ((photo by DirtyCory of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2071153&​page=3)) ​ |+|  Various pin lengths noted using \\ NOS and used pins ((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/​page3?​t=2071153&​page=3)) ​ |
  
 Below are more dims (parts from taken from a 79 oil pump). Below are more dims (parts from taken from a 79 oil pump).
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 It's easy to rock it out of square with the gerotor. It's easy to rock it out of square with the gerotor.
 |{{:​techtalk:​ih:​oil:​77-85_oil_pump_feed_gerotor-checking_tolerance_by_6_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_feed_gerotor-checking_tolerance_by_7_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77-85_oil_pump_feed_gerotor-checking_tolerance_by_6_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_feed_gerotor-checking_tolerance_by_7_hippysmack.jpg?​direct&​300|}}|
 +
 ===== Return (scavenge) Gerotors ===== ===== Return (scavenge) Gerotors =====
 **77-E83 Chamfered Return Gerotors** \\ **77-E83 Chamfered Return Gerotors** \\
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 ✔ Maximum wear limit between the inner and outer gerotor set is .004" ((70-78 Sportster FSM pg 3-27)) ✔ Maximum wear limit between the inner and outer gerotor set is .004" ((70-78 Sportster FSM pg 3-27))
 |{{:​techtalk:​ih:​oil:​77-85_oil_pump_gerotors-checking_tolerance_2_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77-85_oil_pump_gerotors-checking_tolerance_2_by_hippysmack.jpg?​direct&​300|}}|
 +
 ====== Separator Plate Dims ====== ====== Separator Plate Dims ======
 |{{:​techtalk:​ih:​oil:​outer_plates_by_dirtycory_-_annotated.jpg?​direct&​500|}}| |{{:​techtalk:​ih:​oil:​outer_plates_by_dirtycory_-_annotated.jpg?​direct&​500|}}|
-|  Outer plate comparison ((photo by DirtyCory of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2071153)) ​ | +|  Outer plate comparison ((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?​t=2071153)) ​ |
-===== Inner Plate =====+
  
 +===== Inner Plate =====
  
 |{{:​techtalk:​ih:​oil:​77-85_oil_pump_inner_separator_plate_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_inner_separator_plate_dim_6_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77-85_oil_pump_inner_separator_plate_dim_1_by_hippysmack.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77-85_oil_pump_inner_separator_plate_dim_6_by_hippysmack.jpg?​direct&​300|}}|