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techtalk:ref:tools168 [2019/09/11 04:50] hippysmack created |
techtalk:ref:tools168 [2023/11/04 19:10] (current) hippysmack [Bulb Type Pressure Tester] |
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| - | ====== REF: Tools - 167 ====== | + | ====== REF: Tools - 168 ====== |
| - | ====== Dremil Type Rotary Tool ====== | + | ====== Bulb Type Pressure Tester ====== |
| + | Below is a bulb type pressure tester for testing the carburetor needle seat valve as referenced in TSB #564. \\ | ||
| + | It's for use in testing the seat valve of Tillotson carburetors used on 1966-later Sportsters and 1967-later Electra Glides. \\ | ||
| + | [[techtalk:miscres:miscres05#tsb_550-599|Click Here]] to go to the TSB page, scroll down and click on the "Y" next to TSB #564 to download the bulletin. \\ | ||
| + | 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) \\ | ||
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| + | This bulb tester is HD (94750-68). \\ | ||
| + | Per the service bulletin. it's installed on the fuel inlet fitting with the vent plugged. \\ | ||
| + | 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. \\ | ||
| + | A dry needle and seat will not hold as well as a moist one. \\ | ||
| + | The gauge is for low pressure (15psi max) which shows a more accurate reading than higher pressure gauges. \\ | ||
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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://www.ebay.com/str/cdchoppa?_trksid=p4429486.m145687.l149086|Link to Ebay Store]] )) ||| | ||
| + | |{{:techtalk:ref:tools:leak_tester_94750-68_needle-seat_bulb-type_pic1_by_cdchoppa.jpg?direct&300|}}|{{:techtalk:ref:tools:leak_tester_94750-68_needle-seat_bulb-type_pic2_by_cdchoppa.jpg?direct&300|}}|{{:techtalk:ref:tools:leak_tester_94750-68_needle-seat_bulb-type_pic3_by_cdchoppa.jpg?direct&300|}}| | ||
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