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techtalk:evo:carb01a [2019/10/15 19:29] hippysmack [Vacuum Slide / Diaphragm] |
techtalk:evo:carb01a [2020/05/10 03:54] hippysmack [Float] |
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==== Float ==== | ==== Float ==== | ||
+ | |||
+ | As a 1994 model year running change, HD changed the configuration of the float pin pedestal. ((HD TSB #M-1035 dated 10-8-1993)) \\ | ||
+ | One of the pedestals now has an interference fit to hold the float pin more securely in place. \\ | ||
+ | A cast-in arrow points at the pedestal that has the interference fit and consequently the direction of pin removal. \\ | ||
+ | The rounded pedestal has the interference fit. The pin is still a uniform width throughout its entire length, so | ||
+ | it can be installed starting from either end. \\ | ||
+ | It should be tapped out from the rounded top pedestal toward the square top pedestal with a small punch or even better, a spring loaded center punch. \\ | ||
+ | Install the pin in the same fashion just in reverse (from the loose side toward the rounded pedestal). \\ | ||
{{:techtalk:evo:carb:removing_keihin_cv_float_bowl_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:carb:removing_keihin_cv_float_bowl_6_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:carb:removing_keihin_cv_float_bowl_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | {{:techtalk:evo:carb:removing_keihin_cv_float_bowl_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:carb:removing_keihin_cv_float_bowl_6_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:carb:removing_keihin_cv_float_bowl_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | ||
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| Hole size comparison ((photo by Matt Black of the XLFORUM, annotated by Hippysmack http://xlforum.net/forums/showthread.php?t=2068828&page=6)) | Torn rubber. ((photo by intoanother of the XLFORUM http://xlforum.net/forums/showthread.php?p=5686664)) | | | Hole size comparison ((photo by Matt Black of the XLFORUM, annotated by Hippysmack http://xlforum.net/forums/showthread.php?t=2068828&page=6)) | Torn rubber. ((photo by intoanother of the XLFORUM http://xlforum.net/forums/showthread.php?p=5686664)) | | ||
|{{:techtalk:evo:carb:keihin_cv_vacuum_slide_comparison_by_matt_black_annotated.jpg?direct&300|}}|{{:techtalk:evo:carb:cv_vacuum_piston_by_intoanother.jpg?direct&300|}}| | |{{:techtalk:evo:carb:keihin_cv_vacuum_slide_comparison_by_matt_black_annotated.jpg?direct&300|}}|{{:techtalk:evo:carb:cv_vacuum_piston_by_intoanother.jpg?direct&300|}}| | ||
+ | \\ | ||
+ | **Installing the slide diaphragm**: ((HD Tech Tip #12 dated February 1988)) \\ | ||
+ | The diaphragm has the appearance of being swollen and seems too large to fit into it's groove. That's not really accurate. \\ | ||
+ | The repeated up and down movement of the diaphragm causes it to stretch and makes reassembly tricky. \\ | ||
+ | Try using the black plastic top of the carb to position the diaphragm. \\ | ||
+ | It will not only allow you to evenly push the diaphragm into the groove, but you can wiggle the top and "feel" that the diaphragm is in it's proper location. \\ | ||
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You can also use a spray bottle of water or run spit around the seal and carb throat to install the carb to seal. \\ | You can also use a spray bottle of water or run spit around the seal and carb throat to install the carb to seal. \\ | ||
The seal must be replaced periodically. \\ | The seal must be replaced periodically. \\ | ||
+ | |||
+ | When the diaphragm is correct you can cycle the slide with a finger and when you release it you get a Darth Vader breathing kind of sound and the slide doesn't slam shut. ((rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?t=2068828&page=6)) \\ | ||