4 hours ago Jo asked ... How to engage clutch on old sewing machine to engage needle?    |    Jacky asked ... Miele Vacuum cleaner?    |    Ben asked ... Toyota Yaris French or Japanese?    |    Andy asked ... How can I mend my MacAlistair 450w hedge trimmer?    |    Felix asked ... Hitachi vt-m70em?    |    Click here to ask your question

Ryobi 4545chainsaw worm drive?

Hi
I am in the process of fitting a new oil pump and noticed that the worm drive turns freely on the crank shaft,if this is correct how does it drive the pump
Thanks
Brian
Brian Yates, July 2013
link Click here to see other fixes for Ryobi.