Question about Troy Bilt Tb70ss Gas Trimmer
I have a tb475ss that is full of fuel but i have yanked and yanked and it will not start could you help me
Look at these items for your weed eater. Make sure that your fuel mixture is correct and clean. Also make sure
there are no air bubbles trapped in the fuel line. Agitate the fuel tank to make sure there is no blockage caused by dirt and debris. If you
have a fuel filter make sure it is clean and does not need
Next check the air filter to make sure it is clean.
Next check that the spark plug, is it whitish grey and matt in colour and not back, oily or pure white. If so then change the plug and set the correct spark gap for the particular type of plug you are using. If the plug is black and sooty or pure white matt then the fuel mix is incorrect and you will need to adjust this. Black indicates too much oil in the 2 stroke and burning low and the white indicates over temperature and probably not enough oil in the fuel mix or using to high an octane rating. If it is oily then there is far too much oil in the fuel mix and if you are using a 4 stroke or a 2 stroke with additional lubrication then there is oil leaking into the combustion area most likely caused by a worn or cracked piston ring. After that check that the carb, is it operating correctly and opens fully when starting and closes as the engine warms upon idle. Also make sure that it idles evenly. Also if it stops when you throttle it then look at the spark cap to make sure it is not loose or damaged and produces enough voltage to fire up the plug correctly otherwise you may have a generator issue or a carb problem or air filter problem or something restring air flow. Also check the engine casing over for any cracks or damage.
Check this link out at Troy-Bilt for your weed eater. Just select the download owners manual below your picture. You will need to provide them with your model and serial. Just copy and paste into your browser.
Hope this helps, let me know if I can help you with anything else.
Posted on Oct 06, 2009
My husband has had repeated problems with starting his troy-bilt weed eater (4-cycle). After taking it to get it worked on, he learned that you are not suppose to squeeze the throttle when you pull cord. He hasn't had any problems since. Hope this helps. He talked with the people at Troy-Bilt and they were not interested in revising their instructions. They told him that he was suppose to squeeze the throttle to start it. He has just about ruined his shoulder from all the times he pulled the cord, holding the throttle down. Hope this helps someone alleviate some shoulder pain.
Posted on Dec 11, 2009
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Posted on Jan 02, 2017
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