run it with the cover off?
never loan anything to the bro again?

grin the cover being on is causing something to overheat and there's overheat protection, either for the motor or the burner .... which may be getting weak

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics