Description Intended Use Hot melt application heads in the series EP 30 − hereafter also referred to as application head − may be used only for bead application of hot melt adhesives. Any other use is considered to be unintended. Nordson will not be liable for personal injury or property damage resulting from unintended use.
Hot melt application head EP 30 Residual Risks In the design of the unit, every measure was taken to protect personnel from potential danger. However, some residual risks can not be avoided. Personnel should be aware of the following: Risk of burns! The application head is hot.
Hot melt application head EP 30 Description of Components / Functioning Front and Back View Fig. 1 1 Compressed air connection 4 Electrical connecting line 7 Temperature sensor 2 Solenoid valve 5 Hose connection 8 Heater cartridge 3 Control module...
Hot melt application head EP 30 Description of Components / Functioning (contd.) Solenoid valve NOTE: The solenoid valves may only be triggered or activated when the application head has been heated up! Failure to observe may cause damage to the nozzle stem seals in the control modules.
Do not store outside! Protect from humidity and dust. Do not lay application head on the nozzle. Protect the nozzle from damage. Disposal When your Nordson product has exhausted its purpose and/or is no longer needed, dispose of it properly according to local regulations. Installation When installing the application head, the following points should be observed in order to avoid unnecessary effort later.
Hot melt application head EP 30 Exhausting Adhesive Vapors Ensure that adhesive vapors do not exceed the prescribed limits. Exhaust adhesive vapors when necessary. Provide sufficient ventilation of the location where the application head is installed. Electrical Connections WARNING: Risk of electrical shock. Failure to observe may result in personal injury, death, or equipment damage.
NOTE: No oil from a possible defective compressor may be permitted to penetrate the compressed air supply. NOTE: Nordson will assume no warranty/liability for damage resulting from unpermitted, temporary lubrication. Conditioning Compressed Air The quality of the compressed air must be at least class 2 as stipulated by ISO 8573−1.
Hot melt application head EP 30 Connecting Heated Hoses WARNING: Hot! Risk of burns. Wear heat-protective gloves. Connecting If cold adhesive can be found in the hose connection (1) and/or hose fitting (2), these components must be heated until the adhesive softens (approx.
The application head temperature required is set on the melter. The basis for temperature selections are the values stipulated by the hot melt manufacturer. Nordson will assume no warranty or liability for damage resulting from incorrect temperature settings. Setting Control Air Pressure The control air pressure is set to suit each application on an air conditioning unit.
Decrease Maximum adhesive pressure The maximum adhesive pressure may not be exceeded: 70 bar 7 MPa 1015 psi Nordson will assume no warranty or liability for damage resulting from incorrect pressure settings. P/N 397191B EP 30 E 2005 Nordson Corporation...
Hot melt application head EP 30 Settings Record Form Production information Adhesive Manufacturer Max. processing temperature Viscosity Cleaning agent Manufacturer Flash point Basic settings Application weight (grammage) Application width Substrate speed Adhesive quantity Output capacity Air pressure at application Control air...
Hot melt application head EP 30 Maintenance WARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this document and all other related documentation. NOTE: Maintenance is an important preventive measure for maintaining operating safety and extending the lifetime of the unit.
Visual Inspection for External Damage CAUTION: When damaged parts pose a risk to the operational safety of the unit and/or safety of personnel, switch off the unit and have the damaged parts replaced by qualified personnel. Use only original Nordson spare parts. External Cleaning External cleaning prevents impurities created during production from causing the unit to malfunction.
5. Re-connect air and electrical connection. Cleaning Nozzle WARNING: Hot! Risk of burns. Wear heat-protective gloves. Nordson recommends keeping nozzles on hand to avoid interruptions in production (Refer to Spare Parts List). 1. Unscrew nozzle from application head. 2. Clean nozzle with a cleaning agent or a soft cloth.
Hot melt application head EP 30 Maintenance Record Form Unit part Activity Date Name Date Name Application head External inspection and cleaning Control module External cleaning Replace control module Nozzle Cleaning Replace nozzle EP 30 P/N 397191B E 2005 Nordson Corporation...
Hot melt application head EP 30 Troubleshooting WARNING: Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this document and all other related documentation. Introduction Troubleshooting tables are intended as an orientation for qualified personnel.
Hot melt application head EP 30 Troubleshooting Table Problem Possible Cause Corrective Action Refer to No adhesive Melter tank is empty Fill Separate manual Melter Melter motor is not switched on Switch on Separate manual Melter Melter pump is not working...
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Hot melt application head EP 30 Troubleshooting Table (contd.) Problem Possible cause Corrective action Refer to Application head Heater cartridge(s) in Replace − − does not reach the application head defective set temperature Ambient temperature too low Raise ambient temperature.
Hot melt application head EP 30 Technical Data Electrical Data Operating voltage 230 V Operating voltage frequency 50/60 Hz Power consumption Refer to ID plate Degree of protection IP 30 Voltage for solenoid valve 24 V Type of heating Electrical resistance heating elements...
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Hot melt application head EP 30 P/N 397191B EP 30 E 2005 Nordson Corporation...
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