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techtalk:ref:tools145 [2019/12/20 21:32] hippysmack [Oil Pump Check Ball Seat Lapping Tool] |
techtalk:ref:tools145 [2019/12/21 01:57] hippysmack [Oil Pump Check Ball Seat Lapping Tool] |
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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. ((DaWind of the XLFORUM http://xlforum.net/forums/showthread.php?t=1013445&page=2)) \\ | + | **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. \\ | ||
- | |{{: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|}}| | + | **The tool on the right** was made as a check ball tester and oil pump prelube tool. \\ |
- | | 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)) | | + | 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)) \\ |
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+ | |{{: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)) | Oil pump check valve tester / pump prelube tool. ((photo by bustert of the XLFORUM http://xlforum.net/forums/showthread.php?t=1813185&page=2)) | | ||