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techtalk:ih:oil03h [2025/02/24 16:55] – [Build Kits / Parts] hippysmacktechtalk:ih:oil03h [2025/02/26 21:34] (current) – [Outer Plates and Shaft Seals] hippysmack
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 Below are pics of the correct parts and part numbers. \\ Below are pics of the correct parts and part numbers. \\
 |{{:techtalk:ih:oil:outer_plates_by_dirtycory_-_annotated.jpg?direct&500}}|{{:techtalk:ih:oil:77-85_outer_plate_seals_2_by_nhps.jpg?direct&300}}| |{{:techtalk:ih:oil:outer_plates_by_dirtycory_-_annotated.jpg?direct&500}}|{{:techtalk:ih:oil:77-85_outer_plate_seals_2_by_nhps.jpg?direct&300}}|
 +\\
  
 +The damage below was caused by using the wrong seal (83-90 seal with the metal shell) in the 77-82 outer plate with the counterbored seal hole. The plates (when installed) are very close together and the 83-90 seal doesn't sink down flush to the plate. This puts added resistance to the pump turning and as seen below, the seal will grind away at the counterbore and/or lock up the pump. \\
 + 
 +Pics by Billy1200 of the XLForum ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/4960020-1980-oil-pump-outer-plate-oil-seal-q#post4960352)) \\
 +{{:techtalk:ih:oil:1980_oil_pump_outer_plate_damage_w_wrong_seal_pic1_by_billy1200.jpg?direct&400|}} {{:techtalk:ih:oil:1980_oil_pump_outer_plate_damage_w_wrong_seal_pic2_by_billy1200.jpg?direct&400|}} \\
  
 ===== Using the 1977-1982 outer separator plate (26493-75) ===== ===== Using the 1977-1982 outer separator plate (26493-75) =====
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 **Using a hydraulic press**: \\ **Using a hydraulic press**: \\
-This method submitted by XLForum member, Fizzle, as an upgrade to his 1977 oil pump. \\+This method was submitted by XLForum member, Fizzle, as an upgrade to his 1977 oil pump. \\ 
 +His goal was to glue the seal squarely in place using a retaining compound so it could not come loose, stick out of the plate and jam up the pump. \\ 
 I removed the protective blue paint from the seal with 91% iso alcohol, then scuffed the OD of the seal and the ID of the plate with 600 grit wet/dry sandpaper. I then thoroughly cleaned the two parts with 91% iso alcohol and applied a liberal amount of anaerobic retaining compound to each. I chose to use Eskonke brand from Amazon because it's way cheaper than Loctite, I could get it next day, and Eskonke provides a very useful application chart for their products. \\ I removed the protective blue paint from the seal with 91% iso alcohol, then scuffed the OD of the seal and the ID of the plate with 600 grit wet/dry sandpaper. I then thoroughly cleaned the two parts with 91% iso alcohol and applied a liberal amount of anaerobic retaining compound to each. I chose to use Eskonke brand from Amazon because it's way cheaper than Loctite, I could get it next day, and Eskonke provides a very useful application chart for their products. \\
 {{:techtalk:ih:oil:1983-1990_oil_pump_shaft_seal_installation_pic1_by_fizzle.jpg?direct&300|}} {{:techtalk:ih:oil:1983-1990_oil_pump_shaft_seal_installation_pic2_by_fizzle.jpg?direct&300|}} \\ {{:techtalk:ih:oil:1983-1990_oil_pump_shaft_seal_installation_pic1_by_fizzle.jpg?direct&300|}} {{:techtalk:ih:oil:1983-1990_oil_pump_shaft_seal_installation_pic2_by_fizzle.jpg?direct&300|}} \\

Trace: • MiscRes: Harley and Buell Technical Service Bulletins (TSB), (B) • IH: Transmission & Final Drive