Nordson Encore PE Product Manual

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Nordson Encore PE Product Manual Manual pdf 7 page image

Encore Automatic PE Powder Spray Gun 3Part 1612502−01 2018 Nordson CorporationGroundingWARNING: Operating faulty electrostatic equipment is hazardous and cancause electrocution, fire, or explosion. Make resistance checks part of yourperiodic maintenance program. If you receive even a slight electrical shockor notice static sparking or arcing, shut down all electrical or electrostaticequipment immediately. Do not restart the equipment until the problem hasbeen identified and corrected.Grounding inside and around the booth openings must comply with NFPArequirements for Class II Division 1 or 2 Hazardous Locations. Refer toNFPA 33, NFPA 70 (NEC articles 500, 502, and 516), and NFPA 77, latestconditions. All electrically conductive objects in the spray areas shall be electricallyconnected to ground with a resistance of not more than 1 megohm asmeasured with an instrument that applies at least 500 volts to the circuitbeing evaluated. Equipment to be grounded includes, but is not limited to, the floor of thespray area, operator platforms, hoppers, photoeye supports, andblow-off nozzles. Personnel working in the spray area must begrounded. There is a possible ignition potential from the charged human body.Personnel standing on a painted surface, such as an operator platform,or wearing non-conductive shoes, are not grounded. Personnel mustwear shoes with conductive soles or use a ground strap to maintain aconnection to ground when working with or around electrostaticequipment. Operators must maintain skin-to-handle contact between their hand andthe gun handle to prevent shocks while operating manual electrostaticspray guns. If gloves must be worn, cut away the palm or fingers, wearelectrically conductive gloves, or wear a grounding strap connected tothe gun handle or other true earth ground. Shut off electrostatic power supplies and ground gun electrodes beforemaking adjustments or cleaning powder spray guns. Connect all disconnected equipment, ground cables, and wires afterservicing equipment.Action in the Event of a MalfunctionIf a system or any equipment in a system malfunctions, shut off the systemimmediately and perform the following steps: Disconnect and lock out electrical power. Close pneumatic shutoffvalves and relieve pressures. Identify the reason for the malfunction and correct it before restarting theequipment.DisposalDispose of equipment and materials used in operation and servicingaccording to local codes.