Monday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: Is there a certain type of vacuum that can pick up sand without hurting the fan or motor? I oversee the cleaning of a child development center and the kiddies dump sand unto the carpet. Our Sanitaires are getting some abuse.
Actually, you have several choices to avoid this problem.
The most obvious is to go with a back pack style where the motor creating the suction is located after the bag and filters in the airstream and there is no impeller exposed to the abrasive sand.
However, you are working on carpet, and the back pack wand and tool have no driven agitator to loosen the sand, making your movement of the carpet tool the only means of doing so.
You can consider a canister vac to use in just the areas of concern. Here, too, the vac motor is located after the bag and is free from any abrasives. As with the back pack ... — Lynn E. Krafft
, ICAN/ATEX editor