3Installation Instructions for Series 3100V Level SwitchE 2000 Nordson CorporationAll rights reserved 321 355AIssued 5/0041--3000--IS--654131091AFig. 2 Low-level Switch Connected to Pump PanFollow this procedure to prepare for installation.WARNING: Hot! Risk of burns. Wear heat-protective clothing,safety goggles, and heat-protective gloves. Hot melt materialmay be released forcefully.1. Drain all adhesive from the tank and disconnect main air supply.WARNING: The melter contains energized electricalcomponents with potentials that could be fatal. Disconnect andlock out input electrical power to the melter before proceedingfurther.2. Remove the pump cover.3. Remove the electrical enclosure lid and the front and rear covers.4. Remove the screws holding the pump pan to the tank cover.5. Clean the tank of all debris; then remove the pump, pan, tank cover,and gaskets.Preparing for Installation