Cleaned carb on echo headge trimmer how do i redo

Jack, Check the attached links for trimmer carb. tuning,instruction and guides, Good luck
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How to Tune Up an Echo Trimmer
http://www.echo-usa.com/getattachment/e8f287f6-0f5c-4f36-b0fa-ea8fa4a550b9/SRM2400241025012501S2510es_120194
echo srm 2100 weed eater

Make sure you rebuilt the carb with a carb kit. Put a hose on each pipe coming out of the carb and blow and suck on them. One should seal completely and one should provide vacuum. If there is a leak, you need new check valves. If you rotate the trimmer and it runs poorly, you may have a pierced diaphragm.

Make sure the carb is adjusted properly. And make sure that ater the engine starts, that the choke is in the RUN position.

The prior posters must be from the Briggs & Stratton era :0] This is an EPA carb. You can only adjust the idle speed. The Echo SHC-212 uses the Zama RB-K75 carb.

My SHC-212 had the same bogg/stall symptoms. I had to disassemble and clean the carb to get rid of it. There is an internal filter screen that sometimes clogs. I soak and use compressed air to blow out all orifices. But the real problem is leaving ethanol gas in the carb during storage. It warps the delicate gaskets/valves. So buy Zama rebuild kit.

i prime the primer bulb but no gas fills the bulb

check the muffler to see if there stopped up if not that you have carb problems and will need to go into the carb and clean it or maybe install a kit.

sounds as though fuel lines are incorrectly hooked up

Use a Den Tek Brush, (http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152), to clean the small portals in carb. These portals can become blocked. Reassemble and start.

If you need further assistance, just let me know.

Jim

Check the fuel lines for breaks. When they get old, they become brittle.

If this doesn't work, you will need to clean the carburetor. Disassemble the carb. and spray with carb. cleaner. Use a Den Tek Brush,(http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152), to clean the small portals in the carb. Make sure the small screen is free of debris. Reassemble and start.

If neither one of these solutions work then you will need to buy a carb. kit and replace all appropriate parts.

Jim