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techtalk:ref:tools145 [2019/12/20 21:29] – hippysmacktechtalk:ref:tools145 [2024/01/24 21:47] (current) – hippysmack
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 ===== Oil Pump Check Ball Seat Lapping Tool ====== ===== Oil Pump Check Ball Seat Lapping Tool ======
- +**Homemade check ball lapping tool**: \\ 
-**The tool on the left** is a homemade check ball lapping tool used to lap the seat where the check ball sits in the oil pump (57-76). \\+The tool on the left is a homemade check ball lapping tool used to lap the seat where the check ball sits in the oil pump (57-76). ((Toolmaker of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/72481-i-m-sick-and-tired-of-wet-sumping?t=499487&highlight=check+ball+lapping+tool)) \\
 It's made with a tool steel shank and a 3/8" carbide ball tip on the end. \\ It's made with a tool steel shank and a 3/8" carbide ball tip on the end. \\
 The pocket for the ball to sit was cut with a 3/8" ball end mill then a few drops of Loctite 404 to keep it there. \\ The pocket for the ball to sit was cut with a 3/8" ball end mill then a few drops of Loctite 404 to keep it there. \\
  
-**The tool on the right** is a check-ball seat burnishing set. \\+**Check ball seat burnishing tool**: \\ 
 +The tool in the middle is a check-ball seat burnishing set. ((DaWind of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/109149-oil-pump-check-ball-seating/page2?t=1013445&page=2)) \\
 The idea is to turn the ball into the seat several times, thereby smoothing it to a very fine finish. \\ The idea is to turn the ball into the seat several times, thereby smoothing it to a very fine finish. \\
 It works quite well with these old check valve seats, but you can and do use quite a bit of force with the cast iron for a good result. \\ It works quite well with these old check valve seats, but you can and do use quite a bit of force with the cast iron for a good result. \\
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 You'd probably need a lathe, a tap set and the ability to braze or silver solder to make your own tool. \\  You'd probably need a lathe, a tap set and the ability to braze or silver solder to make your own tool. \\ 
 Although you might drill out and tap an un-needed pump nipple for part of the tool. \\ Although you might drill out and tap an un-needed pump nipple for part of the tool. \\
 +You can indicate the bolts in the chuck, face off the ends and then center drill them to provide a concentric pocket for the sphere to rest in. \\
 +Then, hold the whole mess in tension between centers as you soldered. They surely have to be straight or they aren’t much use. \\
  
 +**Check ball tester and oil pump prelube tool**: \\
 +The tool on the right was made as a check ball tester and oil pump prelube tool. \\
 +With this tool, all you have to do is use a grease gun (without grease) filled with oil and pump it into the system so a dry start can be avoided. ((bustert of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/168986-oil-pump-check-fixes/page2?t=1813185&page=2)) \\
  
-|{{:techtalk:ref:tools:homemade_check_ball_lapping_tool_by_toolmaker.jpg?direct&300|}}|{{:techtalk:ref:tools:oil_pump_check_ball_lap_by_dawind.jpg?direct&300|}}| +|{{:techtalk:ref:tools:homemade_check_ball_lapping_tool_by_toolmaker.jpg?direct&300|}}|{{:techtalk:ref:tools:oil_pump_check_ball_lap_by_dawind.jpg?direct&300|}}|{{:techtalk:ref:tools:check_ball_tester_and_prelube_fitting_by_bustert.jpg?direct&300|}}| 
-|  Homemade check ball lapping tool ((photo by Toolmaker of the XLFORUM http://xlforum.net/forums/showthread.php?t=499487&highlight=check+ball+lapping+tool))  |  Check-ball seat burnishing set ((photo by DaWind of the XLFORUM http://xlforum.net/forums/showthread.php?t=1013445&page=2))  | +|  Homemade check ball lapping tool ((photo by Toolmaker of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/72481-i-m-sick-and-tired-of-wet-sumping?t=499487&highlight=check+ball+lapping+tool))  |  Check-ball seat burnishing set ((photo by DaWind of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/109149-oil-pump-check-ball-seating/page2?t=1013445&page=2))  |   Oil pump check valve tester / pump prelube tool. ((photo by bustert of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/168986-oil-pump-check-fixes/page2?t=1813185&page=2))  |
- +
  
 ====== 77 and later oil pumps ====== ====== 77 and later oil pumps ======
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 ====== Oil Pump Removal ====== ====== Oil Pump Removal ======
- 
 Mounting bolts (to the engine): \\ Mounting bolts (to the engine): \\
 77-97 models - (4 bolts) \\ 77-97 models - (4 bolts) \\

Trace: • REF: Engine Mechanicals - Sub-03A • EVO: Engine Mechanicals - Sub-01A • REF: Electrical System