chainsaw tension

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  1. Jotel me this

    Chainsaw directions? What does this mean?

    I have a couple chainsaws. Just bought a Husqvarna 490. The directions say to 'Remove spark plug lead' for when adjusting chain tension..._g What are they talking about? Dont you just turn the tension adjuster until the chain is tight? What does the spark plug have to do with anything? :eek: