While you wait for answers, we may have found some information which could help you.
Click here for Eater Spark Plugcraftsman wheeled weed trimmer?
How can I fix my weedwacker?
17" 24 cc craftsman trimmer primer bulb replacement?
How to restring craftsman 4.6 amp/Hassle Free Head weedwacker?
magneto gap?
Where does the in-tank fuel filter go?