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techtalk:ref:tools168 [2019/09/11 05:20] – [Uses] hippysmack | techtalk:ref:tools168 [2023/11/04 19:10] (current) – [Bulb Type Pressure Tester] hippysmack | ||
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- | A Dremil tool has many uses from cutting to polishing metal. Always wear a face shield when using this tool. \\ | + | Below is a bulb type pressure tester for testing the carburetor needle seat valve as referenced in TSB #564. \\ |
- | It operates at a very high speed and tiny pieces | + | It's for use in testing the seat valve of Tillotson carburetors used on 1966-later Sportsters and 1967-later Electra Glides. \\ |
- | It's good for cutting carbon & stainless steel, shortening bolts, shaping metal projects etc. \\ | + | [[techtalk: |
+ | The bulletin was an attempt by the MoCo to diagnose a simple needle/seat issue and replace if needed at the dealer level. \\ | ||
+ | (instead of sending the carb back to the factory for a warranty claim) | ||
- | {{: | + | This bulb tester is HD (94750-68). \\ |
- | + | Per the service bulletin. it's installed on the fuel inlet fitting with the vent plugged. \\ | |
- | ====== Uses ====== | + | Squeezing the bulb adds pressure to the inlet and the gauge shows how much is added. \\ |
- | + | A moistened needle and seat should hold app. 1 to 1·1/2 psi and release at approximately 3 to 5 psi. \\ | |
- | |Cutting slots in pipes for shields. ((photo by Graywolf of the XLFORUM http://xlforum.net/ | + | A dry needle and seat will not hold as well as a moist one. \\ |
- | |{{: | + | The gauge is for low pressure |
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+ | Here is the bulb tester. Click on any pic to enlarge: \\ | ||
+ | | HD Needle-Seat Bulb-Type Leak Tester (94750-68) ((photos courtesy of Ebay seller; cdchoppa. [[https:// | ||
+ | |{{: | ||
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