Tanaka tbc-230 trimmer - gas tank hair line crack again- could this be caused by...?

Discussion in 'Mechanic and Repair' started by clydesdale, Jul 5, 2012.

  1. clydesdale

    clydesdale LawnSite Senior Member
    Messages: 403

    This is the second replacement tank and they spring hairline cracks. Also the trimmer does not run right. I have cleaned the carb, exhaust ports, yet I still need to run with the choke at half way for a few minutes before it will run with the choke open. I can then put the trimmer down for a few minutes and it bogs again until I run it with the choke partly open for a few minutes again. I have to slowly open the choke a little bit at a time while using the trimmer. So, I am not sure what is wrong and I wonder if the gas tank is somehow pressurized and causing leaks. I had put a new cap on the tank a while ago, but that had no effect. Thanks.
  2. dboyd351

    dboyd351 LawnSite Bronze Member
    Messages: 1,124

    I wonder if your tank vent isn't working.

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