Installation3-16Part 237478_03 2012 Nordson CorporationRelieving Hydraulic Pressure (contd)5. Place under the gun nozzle a drain pan capable of withstanding adhesivetemperatures of 230C (450F).6. Shield the area and the operator.7. Trigger the gun to relieve trapped hydraulic pressure.8. Reduce the air controller's air pressure to zero at the regulator.9. Place the gun trigger safety in the LOCKED position.Figure 3‐13 Air Pressure Regulator with GaugeCAUTION: Hot! Risk of burns. Hot applicator parts, splashed hot meltmaterial, and hot gun surfaces can cause severe burns. Wear long‐sleeved,heat‐protective clothing, safety goggles, and heat‐protective gloves.10. Place a drain pan under the drain valve a drain pan capable ofwithstanding adhesive temperatures of 230C (450F).NOTE: For Series 6000 units, open the filter access panel and place aflat, open drain pan under the filter flush (drain) valve.NOTE: Figure 3‐14 shows a typical arrangement. Details may varydepending on the applicator model.Figure 3‐14 Drain ValveLocationCAUTION: Equipment damage can occur if the applicator drain valve isturned with anything other than a screwdriver. Use only a screwdriver to turnthe drain valve.