That's good advice bigted. Here's the best pic of mine.... You can see enough of the cover to get the idea...if you need a better pic, just let us know. Re: the belt....my rule of thumb is...if you think it has stretched....it probably has....I would be tempted to replace it; especially as you are going to use the round edger blade.
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl