1. www.jst.umn.edu Vacuum Pumps

2. www.jst.umn.edu Vacuum Pump Safety Physical and Chemical Hazards – Always vent pump exhaust – Keep pump away from flammable chemicals or combustible material Paper and cardboard are good combustible material!!! – DO NOT place a pump in an enclosed area Unventilated areas will cause heat and exhaust to build up!!! http://www.utexas.edu/safety/ehs/lab/vacuum_pump_safety.html

3. www.jst.umn.edu Vacuum Pump Safety Physical and Chemical Hazards – Always close the valve between the pump and vacuum vessel before shutting off the pump This avoids oil from being sucked into the vacuum vessel – Have a pan to catch oil drips from under the pump Depending on the size of the pump: Bake ware pans (aluminum or stainless steel) or plastic pans work well

4. www.jst.umn.edu Vacuum Pump Safety Maintenance – Oil Change: Know how often each pump needs an oil change by checking the manual Every 3 months of operation, or once a year, etc. Check oil levels on the pump – Keep Records: Should have records for each pump on dates when oil was changed, how much was removed, and how much was added Any used pump oil should be disposed of as hazardous waste – Always Wear PPE: Safety glasses, lab coat, and gloves 4 http://www.utexas.edu/safety/ehs/lab/vacuum_pump_safety.html Maintenance Log Date Type of Pump (Name) Oil Removed (mL) Oil Added (mL) 10/23/13 D90 - mechanical pump 400425