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techtalk:ref:tools145 [2019/12/21 01:57]
hippysmack [Oil Pump Check Ball Seat Lapping Tool]
techtalk:ref:tools145 [2019/12/21 01:59]
hippysmack [Oil Pump Check Ball Seat Lapping Tool]
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 ===== Oil Pump Check Ball Seat Lapping Tool ====== ===== Oil Pump Check Ball Seat 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). ((Toolmaker of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=499487&​highlight=check+ball+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). ((Toolmaker of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​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 in the middle** is a check-ball seat burnishing set. ((DaWind of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1013445&​page=2)) \\+**Check ball seat burnishing tool**: \\ 
 +The tool in the middle is a check-ball seat burnishing set. ((DaWind of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​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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 Then, hold the whole mess in tension between centers as you soldered. They surely have to be straight or they aren’t much use. \\ Then, hold the whole mess in tension between centers as you soldered. They surely have to be straight or they aren’t much use. \\
  
-**The tool on the right** was made as a check ball tester and oil pump prelube tool. \\+**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 http://​xlforum.net/​forums/​showthread.php?​t=1813185&​page=2)) \\ 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 http://​xlforum.net/​forums/​showthread.php?​t=1813185&​page=2)) \\