cshapiro-
I assume the “rossmannsupply” screen name is legit, but nonetheless it would probably be quicker and more efficient to just Google the company for their phone#, call them, and get your questions answered.
Don’t worry about sounding non-PC-literate – I’m sure not all their customers are super-techies.
I will caution you that if you have no one who is reasonably proficient with simple assembly and disassembly, your best bet may be to just bring it to a service place.