Here's a link to the maint section of the Alberg 30 dot org website.
Looks to have some information that might be of use to you.
Of course YMMV.
This way looks to be the safest and cheapest without losing the family jewels. I still can't find any scaffolding poles laying around for my a-frame. I'll be attempting this next month and will give some feedback and photos if anyone is interested.