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    cokerdaddy's Avatar
    cokerdaddy Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 21, 2009, 03:29 PM
    Replace primer bulb Echo trimmer
    Is there any magic to replacing the primer bulb on an Echo weed trimmer? Sure sounds like the thing *wants* to start now, but no luck?
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #2

    Jun 21, 2009, 04:09 PM

    Hi,
    Only four or two screws holding it on whether it is Walbro (part #188-12 & 4 screws) or Zama (part #57003 & 2 screws.)
    Peace,
    Clarke
    echo srm 230's Avatar
    echo srm 230 Posts: 21, Reputation: 1
    New Member
    		  
    #3

    Jun 27, 2009, 12:43 PM

    It is a zama carburetor, if you replaced the primer bulb and it wants to start but it doesn't,
    The zama carburetors are what are called emissions carburetors, they have no mixture screws there mostly on more expencive weedeaters you may have to rebuild/replace the carburetor with a new one.
    crigby's Avatar
    crigby Posts: 4,343, Reputation: 107
    Outdoor Power Equipment Expert
    		  
    #4

    Jun 27, 2009, 01:00 PM

    Hi,
    Respectfully disagree. The Zama carbs used by Echo have adjustments and limiters, and are in the C1U family. The Walbro carbs used by Echo currently and recently have the appearance of no adjustment, are indeed EPA carbs and are members of the WY family.
    Peace,
    Clarke
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