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Hot melt application head EP 30

P/N 397191B

E

 2005 Nordson Corporation

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. It should not be

neglected under any circumstances.

Relieving Pressure

WARNING:  

System and adhesive pressurized. Before removing heated

hoses and the hot melt application heads, relieve system pressure. Failure

to observe can result in serious burns.

WARNING:  

Hot!  Risk of burns.  Wear heat-protective gloves.

1. Set motor speed of the unit feeding the hot melt adhesive to 0 min

-1

;

switch off motor(s).

2. Place a container under the nozzle of the application head.
3. Activate the solenoid valves electrically or manually. Repeat this

procedure until no more adhesive flows out.

4. Reuse adhesive or dispose of properly according to local regulations.

Summary of Contents for EP 30

Page 1: ...Hot Melt Application Head EP 30 Manual P N 397 191 B English Issued 11 05 NORDSON ENGINEERING GMBH D L NEBURG D GERMANY...

Page 2: ...ino Saturn Scoreguard SC5 S design stylized Seal Sentry Select Charge Select Coat Select Cure Slautterback Smart Coat Solder Plus Spectrum Speed Coat Spraymelt Spray Squirt Super Squirt SureBead Sure...

Page 3: ...sposal 5 Installation 5 Exhausting Adhesive Vapors 6 Electrical Connections 6 Laying Cable 6 Electrically Connecting Application Head 6 Connecting Solenoid Valves 6 Compressed Air 7 Operating with Non...

Page 4: ...pection for External Damage 13 External Cleaning 13 Inspecting Control Module 13 Regular Maintenance 14 Replacing Control Module 14 Cleaning Nozzle 14 Maintenance Record Form 15 Troubleshooting 16 Int...

Page 5: ...ded Nordson will not be liable for personal injury or property damage resulting from unintended use Intended use includes the observance of Nordson safety instructions Nordson recommends obtaining det...

Page 6: ...the nozzle is hot S Risk of burns when connecting and disconnecting heated hoses S Risk of burns when conducting maintenance and repair work for which the application head must be heated up S Inhalat...

Page 7: ...nts Functioning Front and Back View 5 1 3 4 2 6 7 9 8 Fig 1 1 Compressed air connection 2 Solenoid valve 3 Control module 4 Electrical connecting line 5 Hose connection 6 Nozzle 7 Temperature sensor 8...

Page 8: ...he right times Control Module The control module precisely opens and closes the adhesive supply to the nozzle by pneumatically raising or lowering the nozzle stem A compression spring ensures that the...

Page 9: ...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 Whe...

Page 10: ...and check regularly for damage Replace damaged cables immediately Electrically Connecting Application Head The application head is connected electrically by inserting the plugs into the corresponding...

Page 11: ...s has been converted to absolutely non lubricated operation NOTE No oil from a possible defective compressor may be permitted to penetrate the compressed air supply NOTE Nordson will assume no warrant...

Page 12: ...trically to the unit 2 Heat the unit and hose to approx 80 _C 176 _F 3 Screw the heated hose onto the unit Fig 3 Disconnecting Relieving Pressure 1 Set motor speed s to 0 min 1 rpm switch off motor s...

Page 13: ...d here may not be exceeded 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 assum...

Page 14: ...d for each application Adhesive pressure in application head Pump speed in melter Adhesive pressure Low Increase Increase High Decrease Decrease Maximum adhesive pressure The maximum adhesive pressure...

Page 15: ...Manufacturer Flash point Basic settings Application weight grammage Application width Substrate speed Adhesive quantity Output capacity Air pressure at application head Control air Basic settings tem...

Page 16: ...d under any circumstances Relieving Pressure WARNING System and adhesive pressurized Before removing heated hoses and the hot melt application heads relieve system pressure Failure to observe can resu...

Page 17: ...el Use only original Nordson spare parts External Cleaning External cleaning prevents impurities created during production from causing the unit to malfunction Always follow manufacturer s instruction...

Page 18: ...tive gloves Nordson recommends keeping control modules on hand to avoid interruptions in production Refer to Spare Parts List 1 Relieve pressure 2 Release air connection and electrical connection 3 Re...

Page 19: ...7191B E 2005 Nordson Corporation EP 30 Maintenance Record Form Unit part Activity Date Name Date Name Application head External inspection and p cleaning Control module External cleaning Replace contr...

Page 20: ...an orientation for qualified personnel They cannot however replace targeted troubleshooting with the aid of wiring diagrams and measuring instruments They also do not include all possible problems onl...

Page 21: ...ing if necessary Separate manual Temperature Controller Application head cold or not yet warm enough Refer to Application head does not heat Control air not connected Connect Page 7 Nozzle clogged Cle...

Page 22: ...xact Temperature not set precisely on melter Correct setting Separate manual Melter Temperature of application head not set precisely Correct setting Page 9 Adhesive quantity pressure not set precisel...

Page 23: ...istance heating elements Possible temperature sensors FeKo thermal element Ni 120 Pressure Data Control air pressure 5 to 6 bar 0 5 to 0 6 MPa 72 5 to 87 psi Max adhesive pressure at inlet 100 bar 10...

Page 24: ...20 Hot melt application head EP 30 P N 397191B E 2005 Nordson Corporation EP 30...

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