Bissell 1960-3 QuickSteamer Plus Upright Vacuum "moms tubes" Questions

we have the bissell quicksteamer and as I was shampooing I began to notice something burning so I unplugged our machine immediately; then my mom and I started cleaning all the filters assuming that ...

...of operation. Also when you raise or lower it it will shut down, What happened to Hoover??? My moms is Hoover 35 years old and still working even though I tell her to buy a new one year after ...