Dustcontrol DC Tromb Turbo Translation Of The Original Instructions page 23

The machine should be switched for the duration of the bag change. Remove the bag. The bag must be sealed as soon as it is
removed from the machine. Only use Dustcontrol's original bags.
Fit the new bag. Use the strap for dust-free work. Use the hooks for simple suspension of the bag.
Clean the filter and use the dust extractor.
DC Tromb Turbo, 99049-B 23