HarveyCub wrote:...Would it be fair to say that maintenance activities generally don't require the removal of the hood but some repairs/replacements may?
To answer your question, that is correct. To facilitate removal and refilling the gas tank, I took the advice of a sage, long-time member here on the forum and bought one of these:
http://www.amazon.com/gp/product/B00APU ... UTF8&psc=1
Couldn't believe how quickly and easily it works. Highly recommend it.