How To Open Bissell Big Green Clean Machine How To Open A Power Unit For Bissell Big Green Clean Machine? 4 Unconventional Deep Well Fasteners..big Pain.?

How to open a power unit for Bissell Big Green Clean Machine? 4 unconventional deep well fasteners..big pain.? - how to open bissell big green clean machine

My Bissell Big Green Clean Machine 10 years. Engine low suction is still standing. The pipes are clear, even though rpm. There are no leaks anywhere. I think the rotor in May as a lack of fiber or dog hair. How to open a fool, the drive unit? There are 4 holes in the plastic module, gray, deep need feathers with the customer to ensure that the poor open very hard to do to "service" in a lot of money. Shining a flashlight into a hole, I see something "metal" as a dud .. no slot or Phillips head screws, Allen, etc. Hexagon. How to open the unit of energy? I do not want to pay more than $ 35, the dog hair clo driver clean.