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Sat, May 12, 12 at 17:37
| Is anyone familiar with this non-adjustment rotary type carb? It is on a Briggs trimmer with the micro .75HP engine. Of concern to me is the orientation of a part called the fuel pump spring. It appears that it may go on the plate assembly UNDER the fuel pump diaphragm (I am NOT referring to the metering assembly diaphragm but the fuel pump itself). The one I am using is the butyl rubber one found in the WYL-D11 gasket and diaphragm kit. A parts breakdown on some sites shows the spring listed, but not exactly how to locate it in the carb. |
Follow-Up Postings:
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- Posted by homegrown55 9 (My Page) on Sat, May 12, 12 at 17:47
| The machine the Walbro carb is on is a Briggs Trimmer with the .75HP L Head engine. It model is 021032-0112E1-040518 2A. |
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- Posted by homegrown55 9 (My Page) on Wed, May 23, 12 at 18:09
| I would like to thank everyone for ALL the great input. Thanks again! |
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| There are answers to questions that are only known to God. |
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- Posted by weed_cutter (My Page) on Fri, May 25, 12 at 12:15
| This may help, carb #WYL141. Couldn't find a WYL142. http://wem.walbro.com/walbro/product2.asp?Series=WYL&partnum=WYL%2D141 %2D1 Search on Walbro's site. |
Here is a link that might be useful: Walbro
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- Posted by homegrown55 9 (My Page) on Fri, May 25, 12 at 15:13
| Thanks for the replies evdpgh and weed-cutter! I have been looking at some Walbro WYL diagrams previously. |
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- Posted by homegrown55 9 (My Page) on Sat, May 26, 12 at 13:29
| It does appear that the part in question: Fuel Pump Diaphragm Spring; does indeed rest on the fuel pump plate of this carb UNDER the diaphragm itself (according to the Walbro WYL diagram). That was it's location when I opened the carb up and we will try and operate it that way. A word of note here: The older Zama rotary carb does NOT have the fuel pump spring....newer ones may....but this is a 2004 model year carb.Thanks again. |
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