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techtalk:ih:carb01g [2019/09/13 00:04] hippysmack [Tillotson Carb Functions, Adjustments, Tuning] |
techtalk:ih:carb01g [2019/09/14 21:07] hippysmack [IH: Carburetor, Intake Manifold & Exhaust Systems - Sub-01g] |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| - | ====== IH: Carburetor, Intake Manifold & Exhaust Systems - Sub-01g ====== | + | ====== IH: Carburetor, Intake Manifold & Exhaust Systems - Sub-01G ====== |
| \\ | \\ | ||
| ====== Tillotson Carb Functions, Adjustments, Tuning ====== | ====== Tillotson Carb Functions, Adjustments, Tuning ====== | ||
| ===== Tickler ===== | ===== Tickler ===== | ||
| - | This is an original Tillotson on a 1969 XLH. \\ | + | A tickler is any device that is inserted into the bottom hole to 'massage' a little extra gas from the diaphragm. \\ |
| - | It reportedly runs great, once started. \\ But even with electric start, when cold, it sometimes takes quite a bit of cranking to get it going. \\ | + | With the advent off Ethanol, fuel seems to evaporate faster. ((Monte03 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289&page=6)) \\ |
| + | By 'tickling' the diaphragm via paperclip or spring type pin, you are allowing fuel to enter the accelerator galley via gravity. \\ | ||
| + | Now when you twist the throttle you will get a clean shot of fuel into the intake. \\ | ||
| + | |||
| + | The Tillotson carburetor runs great, once started. \\ But even with electric start, when cold, it sometimes takes quite a bit of cranking to get it going. ((rgmax of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289&page=5)) \\ | ||
| Sometimes sometimes twenty kicks later, no start. When warm it sometimes takes 3-4 seconds of cranking to start which still seemed too long. \\ | Sometimes sometimes twenty kicks later, no start. When warm it sometimes takes 3-4 seconds of cranking to start which still seemed too long. \\ | ||
| (even with the carb rebuilt, timing, plugs and valve adjustment all spot on) \\ | (even with the carb rebuilt, timing, plugs and valve adjustment all spot on) \\ | ||
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| There is an old trick of using a paperclip to depress the diaphragm through a small hole in the diaphragm cover on the bottom of the carb. \\ | There is an old trick of using a paperclip to depress the diaphragm through a small hole in the diaphragm cover on the bottom of the carb. \\ | ||
| Starting will improve significantly. \\ | Starting will improve significantly. \\ | ||
| - | |||
| Using the paperclip method can be cumbersome with the fuel line, original air cleaner, circuit breaker and tach cable in the way. \\ | Using the paperclip method can be cumbersome with the fuel line, original air cleaner, circuit breaker and tach cable in the way. \\ | ||
| - | Since vintage ticklers are now pretty much unobtainable, the one below was homemade.\\ | ||
| + | This was made by S&D installed on a HD2D model. \\ | ||
| + | {{:techtalk:ih:carb:tillotson_hd2d_pic_3_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) {{:techtalk:ih:carb:tillotson_hd2d_pic_4_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) \\ | ||
| + | |||
| + | {{:techtalk:ih:carb:tillotson_hd2d_pic_1_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) {{:techtalk:ih:carb:tillotson_hd2d_pic_2_by_16ouncepbr.jpg?direct&300|}} ((photo by 16ouncePBR of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289)) \\ | ||
| + | |||
| + | Since vintage ticklers are now pretty much unobtainable, the one below was homemade.\\ | ||
| + | This is an original Tillotson on a 1969 XLH. \\ | ||
| {{:techtalk:ih:carb:homemade_tickler_by_rgmax.jpg?direct&300|}} ((photo by rgmax of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289&page=5)) \\ | {{:techtalk:ih:carb:homemade_tickler_by_rgmax.jpg?direct&300|}} ((photo by rgmax of the XLFORUM http://xlforum.net/forums/showthread.php?t=1191289&page=5)) \\ | ||
| ===== Testing and Repair Checklist ===== | ===== Testing and Repair Checklist ===== | ||
